852 Software Engineer jobs in Northern Virginia

**Description**
Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.
Leidos has an exciting opening for you as our next **TS/SCI cleared Software Engineer** supporting a long-term DOMEX Technology Platform (DTP) contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems to include middle-tier and backend engineering tasks. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. The percentage of remote work will vary based on client requirements/deliverables.
Looking for a skilled Developer to join our team to build and maintain scalable microservices that interface with Kafka for real-time messaging and Elasticsearch for data indexing and search. You'll deploy and monitor your services in a Kubernetes environment and collaborate with cross-functional teams in designing reliable, observable, and secure systems.
**You will work closely with the team on the following key tasks**
+ Design, develop, test, and maintain Python microservices
+ Implement message consumers and producers with Apache Kafka
+ Integrate with Elasticsearch for real-time and batch data indexing and querying
+ Write unit and integration tests; ensure high code coverage and reliability
+ Build CI/CD pipelines for your services and deploy them in Kubernetes clusters
+ Participate in design discussions, code reviews, and architecture planning
+ Monitor and troubleshoot production issues with observability tools
+ Contribute to technical documentation and knowledge sharing within the team
+ Utilizes software engineering and design methodologies appropriate to the development, integration, and production environment
+ Foster an environment of collaboration with the different team members in the goal of providing quality service and product to our customers
**To be successful in this role you need these skills (required):**
+ Requires Bachelor's Degree and 2 or more years of prior relevant experience
+ Must possess an Active Top Secret/SCI clearance and ability to obtain and maintain a Polygraph
+ Experience with Python and related backend frameworks (e.g., FastAPI, Flask).
+ Experience with containerization, especially with Docker
+ Experience in Extraction, Transformation, and Load (ETL)
+ Hands-on development experience in a Linux environment including bash or bash-like scripting
+ Good understanding of RESTful APIs and microservice architecture
+ Hands-on experience with Kubernetes: deploying, monitoring, and debugging services
+ Understanding of common design patterns, security practices, and logging/monitoring principles
+ Familiarity with Git and collaborative workflows (PRs, reviews)
+ Experience with DevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or Jenkins
+ Strong verbal and written communication skills
+ Experience with AGILE practices
+ Enthusiastic with the ability to work well in a team and a self-starter who can work on their own
**You will wow us even more if you have some of these skills:**
+ Active Security+ certification and ability to obtain Privileged User Account (PUA) certification by the Government
+ Elasticsearch certifications or other program stack related certifications
+ Familiarity with authentication and authorization products such as Keycloak
+ GraphQL familiarity and/or Apache NiFi experience
+ Experience of a production/enterprise systems at scale
+ Knowledge of distributed systems concepts (e.g., idempotency, eventual consistency)
+ Familiarity with schema registries and Kafka streaming patterns
#NMECDTP-Leidos
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
**Original Posting:**
September 24, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
**Pay Range:**
Pay Range $67,600.00 - $122,200.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
REQNUMBER: R-
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

**Description**
The Transportation Solution Division within the Leidos Civil group is seeking Software Engineers who will be a member of a dynamic team working on the one of several Air Traffic Management programs including:
**En-Route Automation Modernization (ERAM)** , the heart of the Next Generation Air Transportation System and the pulse of the National Airspace System, providing the foundation for NexGen functions
**Terminal Flight Data Manager (TFDM)** , a tower based system that improves surface management and electronic flight strips
**Investment Research and Development (IRAD)** projects in support of the Brand New Air Traffic Control System.
**SkyLine-X** provides an array of advanced air traffic management capabilities to improve aircraft safety, performance, and efficiency across the world's airspace.
Primary Responsibilities:
Tasks will include the development of design and coding of the program software, including Object Oriented programming concepts, XML, Javascript, C, C++, Java and Python.
Basic Qualifications:
- Candidates must have completed a degree program in a relevant discipline; for example, engineering, computer science.
- Candidates must have the ability to obtain a public trust clearance
- Candidates must be US Citizens
Preferred Qualifications:
- Familiarity with AI/ML concepts, including experience through academic projects
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
**Original Posting:**
September 18, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
**Pay Range:**
Pay Range $55,250.00 - $99,875.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
REQNUMBER: R-
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

**Description**
Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.
Leidos has an exciting opening for you as our next TS/SCI cleared Software Engineer supporting a long-term DOMEX Technology Platform (DTP) contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems to include an enterprise AFEM (Automated Facial Extraction and Matching) capability. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. We offer a flexible environment where work is conducted both remotely and on-site at our client location in Bethesda, MD. The percentage of remote work will vary based on client requirements/deliverables.
**You will work closely with the team on the following key tasks** :
+ Work in a DevSecOps environment to ensure availability of the biometric system and data to end users.
+ Oversee the integration, maintenance, and monitoring of software to ensure constant availability of all technical resources, and provide technical direction to IT support staff.
+ Develops, maintains, and enhances complex and diverse software systems ( e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements
+ Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of COTS/GOTS in place of new development, and requirements analysis and synthesis from system level to individual software components
+ Designs, implements, and integrates software applications or performs software engineering tasks to include making enhancements to the existing system and operational support to diagnose and/or correct any system abnormalities
+ Utilizes software engineering and design methodologies appropriate to the development, integration, and production environment
+ Participate in test, staging and production deployment.
+ Assist in the maintenance of services and procedures for a big data pipeline which includes Kafka, Elasticsearch, and several in-house written python/java micro services running on Kubernetes
+ Develop and integrate Docker containers to be deployed to Kubernetes
+ Monitor automated system integration tests to identify failed modules and components
+ Manage individual project priorities, deliverables, and deadlines.
+ Update project documentation for each release
+ Provide tasking and time estimates for each Program Increment
+ Foster an environment of collaboration with the different team members with the goal of providing quality service and product to our customers
**To be successful in this role you need these skills (required):**
+ Typically requires Bachelor's Degree and 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experience. Additional years of experience maybe substituted for a degree.
+ Must possess an Active Top Secret/SCI clearance and ability to obtain and maintain Poly
+ Experience with containerization, especially with Docker
+ Experience with DevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or Jenkins
+ Experience with Python
+ Experience with API Development
+ Experience in Extraction, Transformation, and Load (ETL)
+ Experience enterprise search capabilities (such as Elasticsearch) to solve Big Data challenges
+ Experience with PostgreSQL and SQL server
+ Experience with Agile practices
+ Hands-on development and/or scripting experience, especially Python and Bash in Linux environment
+ Proficiency with Linux server management and developing tools optimized for a Linux or cross-platform operation environment
+ Familiarity and experience creating, deploying, and maintaining service worker and manager nodes/pods in a Kubernetes environment (kubectl)
+ Experience leveraging CUDA, PyTorch, or other services to deploy containerized processing on GPUs
+ Understanding of application-level security.
+ Knowledge of logging and log analysis systems
+ Proficiency in C# programming, with the ability to understand, maintain, and contribute to applications built on these languages and their respective frameworks.
+ Experience with creating and managing microservices.
+ Strong verbal and written communication skills
+ Enthusiastic with the ability to work well in a team and a self-starter who can work on their own
**You will wow us even more if you have some of these skills:**
+ Familiarity with biometric systems and biometric SDKs.
+ Familiarity with Caliburn.Micro XAML framework.
+ Understanding or Experience with ANSI/NIST ITL and DoD Electronic Biometric Transmission Specification (EBTS).
+ Active Security+ certification
+ Active CE certification
+ Ability to obtain Privileged User Account (PUA) certification by the Government
+ GraphQL Service
+ Apache NiFi
+ Experience with systems at scale
+ Kafka or other message passing systems
+ Experience with AWS cloud-based architecture, services (Lambda, etc.), and software development
+ Experience with Artifactory
+ Experience of a production/enterprise system
+ Appian low-code application development platform
+ Experience with any of the following technologies:
+ GPU-based Kubernetes
+ SALT for deployment automation
+ Elasticsearch, Kibana, and Logstash
#NMECDTP-Leidos
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
**Original Posting:**
August 25, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
**Pay Range:**
Pay Range $85,150.00 - $153,925.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
REQNUMBER: R-
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

**Description**
**Leidos** has a new and exciting opportunity for a **Software Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we offer **competitive benefits** , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. **Join us and make a difference in National Security!**
**Job Description**
As a Software Engineer on this program, you will have the opportunity to build strong systems, software, and cloud environments while providing operations and maintenance for critical systems. This role will provide technical expertise in the design, development, implementation and testing of customer tools and applications. Based in a DevOps framework, this role participates in and/or directs major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing.
**Primary Responsibilities**
+ Participates in and/or directs software programming initiatives using Java, JavaScript, Python, SpringBoot, and Hibernate.
+ Develops software system validation and testing methods using Junit and Katalon and uses integrated custom developed software solutions to leverage automated deployment technologies
+ Develop, prototype and deploy solutions within Commercial Cloud Solutions leveraging infrastructure platform services
+ Coordinate closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases
+ Support the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities
+ Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs.
+ Apply and identify best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers.
**Basic Qualifications**
+ Strong use and experience in common Agile practices, service-orientated environments, and development practices
+ Strong experience with Java, Spring, C2S and the software development lifecycle, delivering within DevOps toolsets/practices
+ Direct experience utilizing software testing performance tools, such as Junit/Katalon and scripting languages, such as Python and Bash, while working in an Agile development environment
+ Strong experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS)
+ Strong experience using version control systems and issue/problem tracking systems
+ Bachelor's degree with 4 or more years of prior relevant experience or Master's with 2 or more years of relevant experience. Additional years of experience may be substituted in lieu of a degree.
+ To be considered must have an active TS/SCI with polygraph security clearance
**Preferred Qualifications**
+ Experience with structured analysis and design methodologies
+ Understanding of the customer's system development policies.
At **Leidos** , the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today.
CABARESTON
Come break things (in a good way). Then build them smarter.
We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."
**Original Posting:**
July 31, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
**Pay Range:**
Pay Range $85,150.00 - $153,925.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
REQNUMBER: R-
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

**Description**
At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.
The National Security Sector at Leidos currently has an opening for a Software Engineer. The program delivers a comprehensive integrated mission control software tool combining custom code and integrated COTS products for a Department of Homeland Security customer.
**Primary Responsibilities:**
+ Support the development life cycle of platform architectural design, deployment and debugging
+ Support a release pipeline to enable fast, but safe delivery of critical business software to Production
+ Develop & Maintain sound version control best practices-based CM systems (GIT), including branching and merging strategies
+ Actively participate in all Agile ceremonies. Participate in all team ceremonies including planning, grooming, product demonstration and team retrospectives.
+ Ability to automate release deployments across development, test, staging, Quality Assurance and production stacks using a combination of scripting languages and other automation toolkits
+ Maintain / upgrade/ patch tracking and documentation software (Confluence / Jira)
+ Create, Assist, and Implement design and maintenance web service infrastructure and deployments
+ Analyze service stack and make recommendations for further improvements
+ Identify processes and capabilities that can be streamlined and automated
+ Communicate effectively to help bridge stakeholder and development requirements
+ Assist with support and operations where necessary
+ Leverage programming Languages and shell scripting for automation
+ Proficient with DevOps or Site Reliability Engineering methodologies.
+ Ability to have a holistic view of service development and deployment architecture
+ Act in the capacity to support deployment and operations when necessary
+ Set up and configure a continuous integration environment by leveraging Configuration Management, containerization, serverless technologies, and Kubernetes.
+ Architect and develop bestpractices for software build tools (Gradle, Maven, ANT, Shell) and continuous integration tools (Jenkins, Bamboo), and infrastructure automation (Amazon Web Services, VMWare, Puppet, Chef, ansible, etc.)
+ Work cross functionally across multiple teams
**Basic Qualifications:**
+ Bachelor 's degree or higher is required in either Engineering (i. e. Computer, Software, Systems etc.) or Computer Science with a minimum of five (5) years of related experience.
+ Experiencing migrating complex legacy applications into a modern dev ops framework
+ Must be fluent with Git
+ Strong knowledge of Linux and Linux environments (Redhat)
+ 5+ years working in an Agile dev environment
+ Experience integrating CD/CI pipelines for automated deployment preferred
+ Knowledge of security practices, networking protocols, firewalls, etc
+ 5+ years of system architecture required with a demonstrated ability to read the code and understand the coding logic to assist in troubleshooting
+ Familiarity with software development life cycle models, agile, and DevOps programming methodologies.
+ Fluent in object oriented programming and experience in Java.
+ Ability to successfully work with customers, developers, testing, project management, and support staff
+ Excellent problem solving, analytical skills and technical troubleshooting skills
+ Clarity and precision in verbal and written communications
**Preferred Qualifications:**
+ Experience with MySQL
+ Experience acquiring in-depth understanding of large complex software systems to isolate defects, reproduce defects, assess risk, and understand varied customer deployments.
+ Experience managing/monitoring AWS/Azure cloud and virtualized servers for optimal performance while working in an Infrastructure as a Service (IaaS) environment
+ Proficient automating network infrastructure configuration using Software Defined Networking
Come break things (in a good way). Then build them smarter.
We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."
**Original Posting:**
October 7, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
**Pay Range:**
Pay Range $85,150.00 - $153,925.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
#Remote
REQNUMBER: R-
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

Job Title: Software Engineer - RADAR Systems Development
Job Description
We are seeking a highly motivated and detail-oriented Software Engineer to support the enhancement and sustainment of a sophisticated RADAR system. This role involves full lifecycle software development-from initial design through implementation, integration, and testing, including potential on-site support. As a key member of the engineering team, you will collaborate closely with software and systems engineers to deliver mission-critical capabilities. Under the guidance of the Lead Software Engineer, you will estimate task efforts, contribute to GUI development, and ensure the software meets rigorous performance and reliability standards. This is a unique opportunity to work on advanced technologies for the U.S. Navy, including complex software algorithms and cutting-edge digital signal processing hardware. You'll also have the chance to influence strategic initiatives such as proposal development, IRAD efforts, and future system enhancements.
Responsibilities
+ Design, develop, and test software features for RADAR systems.
+ Collaborate with cross-functional teams throughout the development lifecycle.
+ Contribute to GUI development, maintenance, and testing.
+ Provide accurate task estimates and status updates.
+ Participate in integration and test events, including occasional travel to customer sites.
+ Support strategic initiatives including proposals and R&D activities.
Essential Skills
+ Bachelor's degree in Software Engineering or a related discipline.
+ Minimum of 5 years of experience in C++ software development and testing.
+ Proficiency in Linux-based development environments.
+ Experience with publish-subscribe middleware (e.g., DDS, ZeroMQ, ROS, AMQP, CORBA).
+ Familiarity with code quality tools (e.g., memory leak detection, code coverage).
+ Version control experience using Git.
+ Comfort with text/code editors (e.g., VI/VIM, Emacs, nano, Kate).
+ Understanding of UML or similar design modeling techniques.
+ Strong attention to detail and commitment to high-quality work.
+ Willingness to travel up to 10%.
Additional Skills & Qualifications
+ Experience with automated testing frameworks.
+ Experience in technical effort estimation.
+ Familiarity with Qt or Gallium GUI development.
+ Working knowledge of XML and XSD.
+ Exposure to containerized environments (e.g., Docker, Kubernetes).
Work Environment
This is a hybrid position with the office being in Chantilly, VA. The team size for the software engineers is about 10-12 people. They work a 9/80 schedule, so every other Friday they have off.
Job Type & Location
This is a Permanent position based out of Chantilly, Virginia.
Pay and Benefits
The pay range for this position is $ - $ /yr.
HR is sending the benefits to me, i will update once i have them
Workplace Type
This is a hybrid position in Chantilly,VA.
Application Deadline
This position is anticipated to close on Oct 17, 2025.
About Actalent
Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email (% ) for other accommodation options.

Job Title: Software Engineer - RADAR Systems Development
Job Description
We are seeking a highly motivated and detail-oriented Software Engineer to support the enhancement and sustainment of a sophisticated RADAR system. This role involves full lifecycle software development-from initial design through implementation, integration, and testing, including potential on-site support. As a key member of the engineering team, you will collaborate closely with software and systems engineers to deliver mission-critical capabilities. Under the guidance of the Lead Software Engineer, you will estimate task efforts, contribute to GUI development, and ensure the software meets rigorous performance and reliability standards. This is a unique opportunity to work on advanced technologies for the U.S. Navy, including complex software algorithms and cutting-edge digital signal processing hardware. You'll also have the chance to influence strategic initiatives such as proposal development, IRAD efforts, and future system enhancements.
Responsibilities
+ Design, develop, and test software features for RADAR systems.
+ Collaborate with cross-functional teams throughout the development lifecycle.
+ Contribute to GUI development, maintenance, and testing.
+ Provide accurate task estimates and status updates.
+ Participate in integration and test events, including occasional travel to customer sites.
+ Support strategic initiatives including proposals and R&D activities.
Essential Skills
+ Bachelor's degree in Software Engineering or a related discipline.
+ Minimum of 5 years of experience in C++ software development and testing.
+ Proficiency in Linux-based development environments.
+ Experience with publish-subscribe middleware (e.g., DDS, ZeroMQ, ROS, AMQP, CORBA).
+ Familiarity with code quality tools (e.g., memory leak detection, code coverage).
+ Version control experience using Git.
+ Comfort with text/code editors (e.g., VI/VIM, Emacs, nano, Kate).
+ Understanding of UML or similar design modeling techniques.
+ Strong attention to detail and commitment to high-quality work.
+ Willingness to travel up to 10%.
Additional Skills & Qualifications
+ Experience with automated testing frameworks.
+ Experience in technical effort estimation.
+ Familiarity with Qt or Gallium GUI development.
+ Working knowledge of XML and XSD.
+ Exposure to containerized environments (e.g., Docker, Kubernetes).
Work Environment
This is a hybrid position with the office being in Chantilly, VA. The team size for the software engineers is about 10-12 people. They work a 9/80 schedule, so every other Friday they have off.
Job Type & Location
This is a Permanent position based out of Chantilly, Virginia.
Pay and Benefits
The pay range for this position is $ - $ /yr.
HR is sending the benefits to me, i will update once i have them
Workplace Type
This is a hybrid position in Chantilly,VA.
Application Deadline
This position is anticipated to close on Oct 22, 2025.
About Actalent
Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email (% ) for other accommodation options.

Job Title: Senior Software Engineer - RADAR Systems Development
Job Description
We are seeking a highly motivated and detail-oriented Senior Software Engineer to support the enhancement and sustainment of a sophisticated RADAR system. This role involves full lifecycle software development-from initial design through implementation, integration, and testing, including potential on-site support. As a key member of the engineering team, you will collaborate closely with software and systems engineers to deliver mission-critical capabilities. Under the guidance of the Lead Software Engineer, you will estimate task efforts, contribute to GUI development, and ensure the software meets rigorous performance and reliability standards. This is a unique opportunity to work on advanced technologies for the U.S. Navy, including complex software algorithms and cutting-edge digital signal processing hardware. You'll also have the chance to influence strategic initiatives such as proposal development, IRAD efforts, and future system enhancements.
Responsibilities
+ Design, develop, and test software features for RADAR systems.
+ Collaborate with cross-functional teams throughout the development lifecycle.
+ Contribute to GUI development, maintenance, and testing.
+ Provide accurate task estimates and status updates.
+ Participate in integration and test events, including occasional travel to customer sites.
+ Support strategic initiatives including proposals and R&D activities.
Essential Skills
+ Bachelor's degree in Software Engineering or a related discipline.
+ Minimum of 5 years of experience in C++ software development and testing.
+ Proficiency in Linux-based development environments.
+ Experience with publish-subscribe middleware (e.g., DDS, ZeroMQ, ROS, AMQP, CORBA).
+ Familiarity with code quality tools (e.g., memory leak detection, code coverage).
+ Version control experience using Git.
+ Comfort with text/code editors (e.g., VI/VIM, Emacs, nano, Kate).
+ Understanding of UML or similar design modeling techniques.
+ Strong attention to detail and commitment to high-quality work.
+ Willingness to travel up to 10%.
Additional Skills & Qualifications
+ Experience with automated testing frameworks.
+ Background in technical effort estimation.
+ Familiarity with Qt or Gallium GUI development.
+ Working knowledge of XML and XSD.
+ Exposure to containerized environments (e.g., Docker, Kubernetes).
Work Environment
This is a hybrid position with the office being in Chantilly, VA. The team size for the software engineers is about 10-12 people. They work a 9/80 schedule, so every other Friday they have off.
Job Type & Location
This is a Permanent position based out of Chantilly, Virginia.
Pay and Benefits
The pay range for this position is $ - $ /yr.
HR is sending the benefits to me, i will update once i have them
Workplace Type
This is a hybrid position in Chantilly,VA.
Application Deadline
This position is anticipated to close on Oct 11, 2025.
About Actalent
Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email (% ) for other accommodation options.

**Description**
SAIC is seeking **Software Engineers** to join the Machine-assisted Analytic Rapid-repository System (MARS) Advanced Development Operations (DevOps) and Sustainment Support (ADOS) program and provide on-site technical support to facilitate operations of critical MARS infrastructure and services. This effort focuses on providing a comprehensive set of System/ Software Engineering and IT Services to maintain, sustain, enhance, and improve/ modernize MARS. This position will be located in the National Capital Region.
**Please note that this is contingent upon contract award, with an anticipated decision expected by Winter/ Spring 2026.**
The **Software Engineers** responsibilities include, but are not limited to:
+ Designs, develops, and maintains software systems specific to the MARS framework, ensuring secure and efficient operations
+ Analyzes requirements and creates detailed design documents that meet MARS objectivesWrites and tests code to ensure functionality and performance in a highly secure environment
+ Collaborates with other engineers and stakeholders to define system architecture and interfaces aligned with MARS
+ Participates in code reviews and follows software engineering best practices
+ Continuously improves skills and stays updated with new technologies relevant to defense applications
+ Ensures adherence to project timelines, quality standards, and DIA protocols
**Qualifications**
+ Active TS/SCI with Polygraph
+ One of the following certifications: Certified Information Systems Security Professional - Information Systems Security Architecture Professional (CISSP-ISSAP), Certified Secure Software Lifecycle Professional (CSSLP), or GIAC Security Essentials Certification (GSEC)
+ Bachelors degree in IT, Cybersecurity, Computer Science, Information Systems, Data Science, or Software Engineering and 5 years or more relevant experience (will consider an additional 4+ years of relevant experience in lieu of degree)
+ Proficiency in developing software solutions, writing clean and efficient code, and conducting code reviews
+ Experience in using software development frameworks, managing version control, and performing unit testing
+ Strong understanding of software design patterns and agile development practices
Target salary range: $80,001 - $20,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.
REQNUMBER:
SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately 6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability