220 jobs in CACI International Inc

The Opportunity

CACi is seeking a Senior Data Scientist to support the Department of Homeland Security's Cyber Crimes Center (C3) in developing advanced AI and machine learning solutions for critical law enforcement investigations. In this role, you will:

• Design and deploy production-grade AI/ML systems that enable investigators to combat cybercrime and dismantle criminal networks.
• Work within a collaborative technical team to deliver AI solutions that meet rigorous federal compliance standards.
• Contribute to mission-critical national security operations while advancing responsible AI practices.
• Apply cutting‑edge machine learning techniques to solve complex investigative challenges.

This position requires U.S. citizenship and eligibility to obtain a DHS Public Trust clearance.

• Design and implement production AI/ML systems compliant with federal, DHS, and ICE governance requirements.
• Develop explainable and auditable AI solutions with integrated human‑in‑the‑loop oversight mechanisms.
• Build machine learning models for investigative analytics including entity resolution, network analysis, and anomaly detection.
• Develop scalable data pipelines and ETL processes using Apache Airflow, Spark, and on‑premise infrastructure.
• Design database solutions optimized for AI training, fine‑tuning, and real‑time inference on investigative data and implement continuous monitoring systems to detect bias, performance degradation, and security vulnerabilities.
• Support AI Use Case approval processes, Security Authorization (ATO), and risk management protocols.
• Document system architecture, data flows, and model explanations for audit and transparency requirements.
• Integrate AI capabilities with existing investigative systems through APIs and microservices.
• Ensure data provenance documentation and lawful data acquisition per federal requirements.
• Collaborate with software engineers, infrastructure architects, and cybersecurity specialists on cross‑functional projects.
• Communicate technical concepts and model decisions to both technical and non‑technical stakeholders.
• Maintain compliance with AI Security Control Baseline and federal governance frameworks.
• Contribute technical expertise to team initiatives and share knowledge and best practices with team members.

Required:

• Bachelor's degree in Data Science, Computer Science, Artificial Intelligence, Statistics, Mathematics, Engineering, or related technical field.
• 5+ years of demonstrated AI/ML experience with a proven track record of delivering production AI systems.
• Advanced proficiency with machine learning frameworks (TensorFlow, PyTorch, scikit‑learn) and deep learning architectures.
• Expert‑level Python programming with extensive experience in Pandas, NumPy, and Spark.
• Demonstrated experience deploying and maintaining production AI systems at scale.
• Experience with on‑premise infrastructure, data centers, and physical server environments.
• Deep knowledge of explainable AI techniques and model interpretability methods (SHAP, LIME).
• Proven experience developing AI systems that comply with federal governance and ethical standards.
• Proficiency with MLOps practices, model versioning, CI/CD pipelines, and workflow orchestration.
• Strong communication skills with ability to convey complex technical concepts to diverse audiences.
• Active Public Trust clearance or ability to obtain and maintain clearance.

• Master's degree or PhD in a related technical field.
• Experience with Generative AI, large language models, prompt engineering, and fine‑tuning techniques.
• Knowledge of AI security, bias detection and mitigation, and adversarial machine learning.
• Background in federal law enforcement or intelligence community AI applications.
• Expertise in Open‑Source Intelligence (OSINT) analysis and cyber threat intelligence.
• Proficiency with Elasticsearch, Kibana, graph databases, and investigative analytics platforms.
• Familiarity with federal AI policies including Executive Orders 13960/14110, OMB guidance, and DHS/ICE directives.
• Experience with real‑time streaming analytics and Change Data Capture (CDC).

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families.

The Proposed Salary Range For This Position Is: $94,400 - $198,200.

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Title: Senior Endpoint Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: None

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

CACI is seeking a Senior Endpoint Engineer to join our team on a contract supporting the Department of Homeland Security. As a Senior Endpoint Engineer, you will be part of a dynamic team of Windows cloud engineers and security specialists with expert experience in Windows, Intune, Autopilot, Enterprise Patching, PKI/Certificates, Azure Active Directory, Virtualization, Cloud, and scripting experience. In this role, you will work across endpoint management and server operations teams driving automation through scripting and testing of new/emerging technologies to deliver faster deployments and decreased workload.

• Support Intune administration and engineering, to include compliance policies for conditional access, application deployment and patching, management and troubleshooting
• Use Windows Update for Business to keep Windows workstations patched to correct levels
• Create and deploy Intune configurations, policies, and settings
• Manage and maintain Windows 11 workstation baseline configurations
• Support and troubleshoot Windows Autopilot
• Identify, analyze, and resolve system problems with both short-term workarounds and long-term solutions
• Package software and updates for deployment in the test and production environments
• Develop security baselines based on the recommendations from the Engineering and Security teams
• Create reports on device compliance, application deployment, patch management, and software inventory
• Write PowerShell scripts to automate systems administration tasks
• Respond to escalated service desk/team requests
• Provide guidance and work leadership to less-experienced systems engineers
• Communicate effectively (in oral and written form) with a variety of individuals; work well within small and large team environments
• Serves as liaison with clients, participating in meetings to ensure client needs are met
• Participates in special projects as required

• Ability to attain DHS EOD
• BA + 10 years’ applicable experience, AA + 12 years’ applicable experience or 16 years’ experience
• Intune experience, supporting software packaging and patching
• Windows Autopilot experience
• EntraID (AzureAD) experience
• Expert knowledge of packaging, testing, deployment, and issue remediation
• Solid knowledge of PowerShell scripting

• ITIL v3 or v4 certification
• MCSE Certified
• Endpoint Administrator Associate certification (Microsoft 365)
• STIG Policy experience
• Vulnerability Management experience
• Cloud Management experience
• AVD Management

A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

$113,200 - $237,800

CASI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

CACI International Inc is seeking a Senior Application Developer to lead the design, development, and deployment of web applications for NGA mission support. You will architect features, APIs, and integrations across services, and develop GIS-enabled capabilities powering geospatial analytics.

You will mentor mid-level and junior developers while maintaining high code quality, security, and performance across cloud-native environments. A TS/SCI clearance is required and CA is a strong plus.

Job Title: Senior RHEL STIG Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Continental US

CACI is seeking a skilled and experienced Security Engineer to support the Department of the Air Force (DAF) Enterprise Information Technology as a Service (EITaaS). The ideal candidate will have extensive experience in information systems, with a specific focus on application administration in Red Hat Enterprise Linux (RHEL) environments. The role requires expert knowledge of configuring systems in accordance with DISA Secure Technical Implementation Guides (STIG) and validating STIG compliance at the enterprise level to build, deploy, maintain, and support operations utilizing tools such as SteelCloud ConfigOS for a global deployment of ~50,000 Endpoints.

• STIG Configuration and Compliance proficiency.
• Expertly configure systems in accordance with DISA STIG requirements.
• Validate and report STIG compliance across the enterprise.
• Administer and maintain applications on RHEL.
• Develop and debug shell scripts for application management.
• Achieving DISA STIGs compliance with tools such as SteelCloud ConfigOS.
• Effective management and understanding of web servers, application servers, containerized applications, and database servers for in-depth evaluation of proper / improper interaction with STIG requirements to avoid system instability or service disruption.
• Work with Hyper-V and Azure to manage servers in virtual and cloud environments.
• Possess working knowledge of Public Key Infrastructure (PKI).
• Effectively communicate (both orally and in writing) with team members and stakeholders.

Required:

• Must possess a SECRET security clearance
• 12+ Years of relevant experience (Bachelor’s Degree in applicable field may be substituted for 5 years of experience).
• Proficiency in STIG application, review, troubleshooting, validation and compliance.
• Required DoD 8140 compliant certification such as CompTIA Security+
• SteelCloud ConfigOS familiarity.
• Strong analytical and problem-solving skills to address complex security tooling challenges.
• Excellent communication and collaboration skills to interact effectively with stakeholders at all levels.
• Understanding of industry compliance standards (e.g., NIST) and relevant regulations (e.g., GDPR, HIPAA) is advantageous.
• Willingness to stay updated with the latest cybersecurity trends and emerging security tools.

• Other relevant cybersecurity certifications like Certified Information Systems Security Professional (CISSP), or Certified Information Security Manager (CISM), are a plus.
• ServiceNow integrated workflows/automation
• Microsoft Active Directory/Entra
• Microsoft PowerBI Dashboarding

A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

$103,800 - $218,100

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

CACI International Inc. is seeking a Senior Endpoint Engineer to join our team on a contract for the Department of Homeland Security.

You will work with Windows cloud engineers, focusing on Intune, Autopilot, patching, PKI/Certificates, and Azure AD to drive automation and faster deployments. You will lead endpoint management and scripting efforts, develop security baselines, and collaborate across teams to deliver reliable, secure endpoints.

CACI International Inc is seeking a Senior RHEL STIG Engineer to support the DoD EITaaS program. You will configure RHEL systems to STIG standards and validate compliance enterprise-wide, leveraging SteelCloud ConfigOS for a global deployment of ~50,000 endpoints.

The ideal candidate holds a SECRET clearance with 12+ years of relevant experience, DoD 8140 certs such as Security+, and hands-on STIG expertise, PKI knowledge, and cloud/virtualization experience in Hyper-V and Azure.

CACI International Inc seeks a Senior Data Scientist to support DHS/C3 in developing advanced AI/ML solutions for critical investigations. You will design and deploy production-grade AI systems, build scalable data pipelines, and develop explainable models with human-in-the-loop oversight.

Collaborate with engineers and cybersecurity experts while ensuring data provenance and compliance with federal standards.

Job Title: Data Scientist, SME

Job Category: Science

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

CACI is currently seeking a Data Scientist II in support of a program whose initiative is aimed at combating evolving and emerging threats, supporting related exploitation and replication activities, and advancing operational rehearsal, exercise, wargaming, and counter system development.

As the Data Scientist SME, you will lead the development of novel AI solutions—from generative models to reinforcement learning agents—to solve complex problems in high-fidelity simulation, operational planning, and human-machine interfacing.

This position offers the opportunity to work at the forefront of defense technology, applying cutting‑edge data science and AI/ML methodologies to support warfighter readiness and mission success in the INDOPACOM region and beyond.

• Lead AI/ML Innovation: Direct the architecture and development of advanced AI/ML solutions including deep learning, reinforcement learning, natural language processing (NLP), and computer vision applications for defense programs
• Pioneer Novel Solutions: Design and implement generative models and reinforcement learning agents to address complex challenges in high‑fidelity simulation environments, operational planning, and human‑machine interfacing
• Support Critical DOD Programs: Provide strategic technical guidance on data science initiatives that directly impact military readiness, training, and operational effectiveness
• Advanced Data Analysis: Transform complex, multi‑source data into actionable intelligence through sophisticated analytical models and data pipelines
• AI‑Simulation Integration: Design and develop data‑driven solutions for Modeling & Simulation (M&S) and AI systems, including creating and refining generative AI analysis workflows
• Infrastructure Support: Provide technical expertise in modeling and simulation equipment, systems engineering, and cybersecurity operations across government offices, laboratories, and test locations
• Collaborative Leadership: Work across multidisciplinary teams, including systems engineers, operations research analysts, and program managers to deliver integrated solutions
• Strategic Planning: Develop technical roadmaps and strategic plans for AI/ML integration into Live, Virtual, and Constructive (LVC) simulation architectures
• Knowledge Transfer: Mentor junior team members and provide training on advanced data science methodologies and AI/ML best practices

• Bachelor's degree in Computer Science, Data Science, Statistics, or related field
• Minimum 10 years of demonstrated experience leading the application of advanced data science and AI/ML in complex technical environments or 15+ years relevant experience in lieu of degree
• Expert‑level proficiency in AI/ML frameworks and libraries (e.g., TensorFlow, PyTorch, scikit‑learn)
• Advanced programming skills in Python, R, or similar languages
• Experience with big data platforms and cloud computing architectures (AWS, Azure, Google Cloud)
• Knowledge of data engineering, ETL processes, and database management
• Familiarity with Model‑Based Systems Engineering (MBSE) tools and methodologies
• Active TS/SCI Clearance

• Master's degree or Ph.D. in a related field highly valued
• 15+ years of relevant experience in data science and AI/ML
• Experience with DOD or Department of the Army (DOW) programs, particularly INDOPACOM operations
• Hands‑on experience with Joint Simulation Environments and federated/non‑federated LVC M&S tools (e.g., JTLS‑GO, OneSAF, JSAF)
• Knowledge of cybersecurity principles and Zero Trust architectures
• Experience with Cross Domain Solutions (CDS) for secure data exchange
• Familiarity with Digital Engineering (DE) methodologies and tools
• Experience supporting large‑scale Command Post Exercises (CPXs) and Field Training Exercises (FTXs)
• Project Management Professional (PMP) or similar certification

A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high‑performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time‑off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range: $98,500–$206,800. Salary factors include geographic location, contract labor categories, prior experience, skills, education, and certifications. We offer competitive compensation, benefits and learning and development opportunities.

CAAIC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Job Overview

• Job Title: Senior Application Developer
• Job Category: Information Technology
• Time Type: Full Time
• Minimum Clearance Required to Start: TS/SCI with Polygraph
• Employee Type: Regular
• Percentage of Travel Required: Up to 10%
• Type of Travel: Continental US
• Anticipated Posting End: 9/1/2026

• Lead application development on a fast-paced Agile team building mission-critical GEOINT applications for the National Geospatial-Intelligence Agency (NGA).
• Design and deliver modern web-based capabilities that analysts use to drive intelligence decisions.
• Set the technical bar for a team of developers working across cloud-native architectures and large-scale data environments.
• See your work deployed to real mission users with rapid feedback loops.

• Lead design, development, testing, and deployment of web applications using Java and/or Python.
• Architect application features, APIs, and integrations across program services and external systems.
• Develop and maintain GIS-enabled application capabilities and geospatial services.
• Drive code quality through code reviews, unit testing, and secure coding practices.
• Troubleshoot complex issues and lead performance tuning across the application stack.
• Collaborate with Product Owners, architects, and cross-functional teams to deliver PI commitments.
• Mentor mid-level and junior developers and contribute to engineering standards.

• Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline (equivalent experience accepted).
• 8+ years of professional software development experience.Expert-level development in Java, Python, or both, including modern web frameworks.
• Experience designing and consuming RESTful APIs and service-based architectures.
• Strong experience with relational and non-relational databases.
• Experience with CI/CD, Git-based workflows, and automated testing.
• Security Clearance (TS/SCI) with willingness to undergo polygraph examination.

• Experience with GIS technologies (ArcGIS, GeoServer, OpenLayers, Cesium, or similar).
• Experience with containerization and cloud deployment (Kubernetes, AWS/C2S).
• Experience operating within SAFe or Agile delivery frameworks.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

$75,200-$158,100

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.