10,570 Computer Network jobs in the United States

Obsidian Solutions Group (OSG) is seeking a Computer/Network Engineer to support and collaborate with the Bureau of Diplomatic Security (DS), the security and law enforcement arm of the U.S. Department of State (the Department). DS is a world leader in international investigations, threat analysis, cyber security, counterterrorism, security technology, and protection of people, property, and information. Its primary mission is to provide a safe and secure environment for the conduct of U.S. foreign policy. The Office of Security Technology (ST) supports the DS mission through the application and use of appropriate technical security countermeasures.

Specific responsibilities include:

• Evaluating new technologies and possible security vulnerabilities associated with them.
• Assisting in the planning of policies and guidelines involving state-of-the-art equipment and their possible implementation in State Department resources.
• Testing the vulnerabilities associated with the software applications and hardware for networks.
• Working with a local area network laboratory to design and deploy network and video infrastructure cabling.
• Analyzing computer and network architectures to optimize network performance, security, and laboratory testing functionality.
• Documenting testing procedures, results, and recommendations for implementing tested technologies securely.
• Troubleshooting a variety of hardware and software issues in a timely manner under tight time and resource constraints.
• Researching, testing, reviewing, and reporting on emergent technologies.

Requirements include:

• A current Interim Top-Secret clearance with the ability to obtain a U.S. Government final TOP SECRET Personnel Security Clearance and be able to qualify for SCI access.
• Eligibility for and ability to obtain and maintain required Security Clearance/access approvals.
• Five (5) years of experience and a master's degree in computer science or engineering, or at least ten years of equivalent work experience and a bachelor's degree in computer science or engineering, or equivalent work experience.
• Experience in configuring, designing, and maintaining Window servers; designing, configuring, and testing personal computer and network software components in a laboratory environment; programming software and command line interfaces; and setting up patch management software and backup management solutions.
• Fluency in VMWare, C, C++, Objective C, Java, communication protocol implementation, Wi-Fi, RFID, Bluetooth, TCP-IP, VoIP, and Linux/Windows/OSX scripting.
• Experience with commercial and government best practices in securing computers, networks, and mobile devices.
• Knowledge of all major MS Windows applications.
• Detailed understanding and experience in Android/iOS/Blackberry operating systems.
• Knowledge of system architecture, application design, and device management and deployment.
• Knowledge of active directory application mode, lightweight directory access protocol, and online certificate status protocol.
• Knowledge of bandwidth utilization.

Physical requirements and work environment include:

• Normal office environment.

Travel may be required:

• OCONUS to conduct installation, training, or maintenance at diplomatic facilities.
• Domestic travel for training and program coordination.

Company description:

Obsidian Solutions Group LLC (OSG) is a fast-growing professional services firm based in Fredericksburg, VA. We create value for our customers by delivering technology-enabled & mission-oriented technical solutions that solve complex problems, protecting people, information, and assets. Our core capabilities are in providing Enterprise IT, Intelligence Analysis, Production & Development and Knowledge-Based Professional Services Solutions that enable the customer's mission. Obsidian Solutions Group LLC is a service-disabled, veteran-owned small business. A career at Obsidian Solutions Group means you are able to put your expertise, credentials, and talents to great use working with customers in the DOD and Intelligence Community, while enjoying the excitement of working in a fast-growing organization committed to making a difference for our customers and in our community. Contribute independently and collaboratively alongside our amazing team of doers and thinkers. Obsidian Solutions Group is small enough to offer a family atmosphere yet large enough to deliver a highly competitive compensation package. We hire and retain the best in the industry, offering exceptional benefits that protect the well-being of our employees, their spouses and domestic partners, and their families. Our corporate philosophy is centered on hiring and retaining employees with the requisite skills, professional experience, personal commitment, and ethical standards necessary to foster a culture of operational excellence necessary to surpass our customer's expectations.

Disclaimer: The above information on this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Obsidian Solutions Group is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy and gender identity), national or ethnic origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, parental status, protected veteran status, and any other non-merit factor, or any other characteristic protected by law.

• Valkyrie Enterprises has need for a Computer Network Architect who will provide network and I.T. design support at San Antonio-Lackland Airforce Base, TX, 78236

• Planning and designing data communication networks
• Presenting network plans to management staff
• Provides design of network and prompt IT design, support, and assistance with a variety of day-to-day tasks to support the IT team and staff with security, design and documentation of the network. :
• Collaborates with management staff to determine networking needs
• Overseeing the network implementation process, including setting schedules and budgets
• Managing information and network security
• Implementing upgrades to hardware and software as needed
• Performing maintenance and repairs to network equipment
• Keeping documentation of networks, including drawings, descriptions and configurations
• Researching network technologies and staying up to date on advancements in the field
• Implements new server and network hardware and corresponding software solutions.
• Ensures that all network systems are functioning and communicating properly. Systems include server hardware, server software, firewalls, routers, network switches, VPN devices, cabling (Ethernet and fiber optics), wireless routers, and other related network systems.
• Tracks system's end of life and specifies replacements when needed.
• Documents existing systems and formulates comprehensive plans for the implementation of new systems.
• Performs regular inventories of existing IT equipment & reports any discrepancy to Program Manager
• Provides assistance and guidance to IT Technicians as needed.

• Must have a minimum of 6 years' experience in the field of Network Architecture and Design.
• Must possess an advanced understanding of networking protocols & procedures.
• Must possess experience with tier 1 network hardware in a production environment.
• Must possess advanced understanding of Microsoft OS & applications, including server applications, i.e. Exchange in a production environment.
• Must have extensive experience with hardware/software troubleshooting and analysis.
• Must demonstrate initiative, the ability to manage multiple projects, meet deadlines, and determine priorities in a fast-paced environment.
• Must have excellent people skills; communication and familiarity with a customer support environment are crucial.

• IAT Level III Networking certification is preferred.

• Must have TS/SCI security clearance.

• Occasional travel- less than 10%
• If position requires travel by domestic flight or access to secure federal facilities/military bases, candidate must be able to obtain (by start of position) and maintain appropriate identification credentials, such as REAL ID. (More information regarding REAL ID can be found: )

• The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.
• Remaining in a stationary position, often standing, or sitting for prolonged periods.
• Required to use hands to finger, handle, or feel; reach with hands and arms.

Computer Network Operator

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

The Opportunity:

If the idea of working with and among a team of true cyber security engineering experts with world class and unique skills excites you, then this might be the opportunity for you! Individuals with experience in or across a range of technical disciplines in IT and cybersecurity engineering possessing a strong desire to serve in a role delivering great mission impact fit in well with our team and find this role highly rewarding. Apply your skills and experience and continuously learn new things in an environment where research and experimentation are encouraged and valued . There is no substitute for applying your skills in a real-world cyber operations environment, solving incredibly challenging problems where often times a textbook answer does not exist. Creativity on top of a strong technical foundation and fundamental understanding of cyber engineering is paramount for success in this role.

Be part of a department with an expanding range of programs focusing on Cyber Operations, where you get to grow on and between programs with peers who are dedicated to advancing national security. Participate in fun team outings and team building events where you get to engage with your co-workers and expand your career network. We are a fun, engaging environment with a management team focused on growing your career and making you a part of our future. We offer bonus compensation plans that demonstrate you being appreciated for working on the program and being a part of our team. You'll get paid for cyber events and training, such as our Capture the Flag Events, Internal Research and Development opportunities as well as prepaid courses to nationally recognized certification courses to grow your career. Learn more about our program here: VORPAL Jobs ( .

Responsibilities:

• You will work onsite with the client doing high-end and cutting edge cyber related work with small dynamic technical teams

• You will open-source tools such Metasploit, BurpSuite, nmap and Wireshark as well as proprietary tools to perform red teaming and penetration testing of the client's global network

• You will develop technical requirements for new tools or enhancements to existing tools and become the tools "champion" throughout the tool's life cycle

• You will pro-actively identify, define, and advocate technical processes, approaches, and concepts to enhance/improve mission-focused efforts

• You will write and produce high-quality technical reports related to the scope, nature, and characteristics of the client's technical objective that are suitable for dissemination to both technical and nontechnical audiences Qualifications (a strong combination but not necessarily all of the following)

Qualifications :

Required:

• Active TS/SCI with polygraph clearance and must obtain required polygraph for continued employment

• 7 years of more of technical experience in cybersecurity discipline, computer applications, information systems, engineering, mathematics, or related field

• Understanding of computer network architectures

• Well versed in firewall technologies, proxies, ipchains, iptables, SNORT, NMAP, Wireshark, etc.

• Developmental knowledge of basic scripting with python (preferable), bash, perl, or Powershell

• Experience with and ability to train others on advanced operational techniques

• Understanding of telecom infrastructure and mobile and/or RF communications

• Experience with risk assessment, mitigation strategies, and tradeoffs in the context of cybersecurity

• Basic understanding of internet functionality, ISPs, and network traffic

• Possess at least basic level of systems administration knowledge across operating systems (Linux, Windows, Android, iOS)

• Demonstrated experience applying creative problem solving skills to solve hard technical challenges

• Ability to convey highly technical information in a clear and concise manner, both verbally and written

• Understanding of internet laws and regulations governing the internet

• Hands-on experience executing cyber operations mission sets

• Certification from government entities in cyber operations

• Decision making – must have demonstrated experience using sound judgment in a high ops tempo environment, calm, level-headed, and rational

• Must possess Apprentice level certifications: RIOT or FORGE.

___

What You Can Expect:

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.

Your potential is limitless. So is ours.

Learn more about CACI here. (

___

Pay Range : 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. Learn more here ( .

The proposed salary range for this position is:

$113,200 - $237,800

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.

Description Leidos has a unique and exciting opportunity to offer a Network Engineer, who would like to expand their knowledge and grow with the Leidos team on the (AFNCR ITS) Air Force National Capital Region IT Services Program. The Network Engineer is responsible for assessing systems, determining problems, providing solutions to issues that arise, designing systems, upgrading systems, maintaining systems and brainstorming possible improvements that can be made to a system in the future.This position is 100% onsite at Joint Base Andrews, MD and requires an active Secret clearance to start.The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and other locations, leased spaces, and alternate sites. The major support areas required are IT Operations and Maintenance; Plans, Projects, and Engineering (PP&E); and National Military Command Center (NMCC). The senior leaders and national defense missions that are supported require that the AFNCR operations never fail, resulting in a fast-paced, challenging, but also rewarding environment.If this sounds like the kind of environment where you can thrive, keep reading!The Leidos Digital Modernization Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail missions.Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your resume with us today!Primary duties are as follows:Monitor data or infrastructure system networks for various messages, alarms, or issues.Identify issues or problems and resolves as appropriate; escalates when necessary.Troubleshoot problems using scripts and standard, routine procedures; escalates as appropriate.Initiate resolution as appropriate for enterprise level routers and switches.Interface with vendors to ensure appropriate resolution during network outages or periods of reduced performance.Process Authorized Service Interruptions (ASI's) as directed by management.Maintain required security posture on all network equipment in accordance with DoD and local command mandates and requirements, including updates, STIGs, IOS upgrades, and other basic network security requirements.Support special projects and day?to?day operations as needed or assigned by the site leadSupport on-call rotation scheduleBasic Requirements:Bachelor's degree with a minimum of 8+ years of related experience, additional years of relevant experience may be accepted in lieu of a degree.Currently possess an Active DoD Secret security clearanceActive CompTIA Security + or CCNP Security certificationActive CCNA CertificationExpert knowledge with LAN switching, including Virtual Local Area Networks (VLANs), VLAN Trunk Protocol (VTP), Port Security, Spanning Tree, and Layer 2 and 3 switching configurations.Expert knowledge with Layer 3 routing protocols (EIGRP, OSPF, IS-IS, etc.) and best practices on implementation.Expert knowledge with with L1/L2 network troubleshooting (Unclassified and ClassifiedExpert knowledge of DoD network and application security hardening requirementsExperienced with programming, maintaining, and troubleshooting encryption devices at network points of presence including management via GEM-X or other DoD management tools.Experienced with DoD COMSEC management processes and proceduresPreferred Qualifications:Experienced with Cisco ISE and Cisco DNAKnowledge of Air Force, Pentagon, and/or AFNCRExperienced working at the Pentagon, Joint Base Andrews (JBA), and Joint Base Anacostia-Bolling (JBAB)Required certifications: Active CompTIA Security + or CCNP Security certification / Active CCNA CertificationCome 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:June 4, 2025For 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 - $153,925.00The 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.

Description

The Digital Modernization Sector at Leidos has an opening for a senior Network Engineer on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system - GSM-O II contract at Fort Meade, MD. The successful candidate will have a Network Engineering background responsible for the design, document, test, deployment and maintenance of the IP network solutions within an enterprise environment on a high-paced, fast-moving program.

As a Network Engineer, the successful candidate will be a part of a team that interacts with both technical and non-technical stakeholders, including customers and vendors but primarily with subject matter expert teammates. In this role, the candidate will be a subject matter expert (SME) in all things related to the IP Network technologies, ensuring optimal performance, security, and scalability of WAN and LAN infrastructure across multiple environments (DEV/TEST and Production). The candidate will also provide technical assistance, administer configurations, upgrade software, develop and/or update related documentation, ensure applicable STIGs are applied and documented, conduct and support testing on work performed, recommend enhancements, and troubleshoot and resolve issues associated with the various network components.

Responsibilities:

• Work closely with DRSN engineers and site personnel for coordinating deployments and maintenance actions.
• Evaluate system network requirements and make appropriate technical recommendations.
• Proficiency with Juniper networking devices to include establishing remote management connectivity, updating the operating systems, coordinating and performing verification test (BER or "burn-in" tests) configuring alarm and system profiles, and configuring/testing various layers of the OSI model.
• Assist IA personnel regarding network security and SSP maintenance. Ensure that the network configuration meets all IA requirements.
• Perform installation test and acceptance (IT&A) of network components both directly through the various GUI/CLI or interface systems, by directing and/or facilitating remote testing with on-site field engineering support.
• Monitor network performance.
• Support deployments as required. 
• Expert Knowledge of IP principles

Required Skills:

• Bachelor's degree and 12+ years of overall related experience or Master with 10+ years. Specific experience, education and training may be considered in lieu of degree.
• Experience in remotely configuring networking or transport devices.
• Ability to map IP addresses and subnets for networking devices or ability to establish in-band/out of band management connections on transport devices.
• Ability to interpret network topology diagrams and proposed device configuration changes.
• Knowledge of configuring, deploying and supporting HAIPE (KG-175D)- especially with GD GemOne.
• Security+
• Must possess an active Top Secret with SCI eligibility clearance.
• Must possess current DoD 8750 certification at IAT level II, Security +ce
• Proficiency with Juniper IOS or other IP/transport specific management tools (EMS) and general practices.
• Basic Linux Administration or command line interface (CLI) and scripting skills.

Desired Skills:

• Experience managing configurations with JunOS space
• Expertise in IP technologies, i.e. Networking architectures and methodologies and Voice Services
• Proficiency in at least two or more of the following devices: SONUS SBC, Juniper MX5 routers, Juniper SRX firewalls, Juniper EX switches, SONUS SBCs, KG175
• Proficiency in at least one of the following tools:  SolarWinds or Junos Space
• JNCIA or JNCIP
• Proficiency with RADIUS, SNMP, and NTP protocols
• General knowledge of TLS and PKI

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.

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.

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.

Description

Leidos has a unique and exciting opportunity to offer a Network Engineer, who would like to expand their knowledge and grow with the Leidos team on the (AFNCR ITS) Air Force National Capital Region IT Services Program. The Network Engineer is responsible for assessing systems, determining problems, providing solutions to issues that arise, designing systems, upgrading systems, maintaining systems and brainstorming possible improvements that can be made to a system in the future.

This position is 100% onsite at Joint Base Andrews, MD and requires an active Secret clearance to start.

The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and other locations, leased spaces, and alternate sites. The major support areas required are IT Operations and Maintenance; Plans, Projects, and Engineering (PP&E); and National Military Command Center (NMCC). The senior leaders and national defense missions that are supported require that the AFNCR operations never fail, resulting in a fast-paced, challenging, but also rewarding environment.

If this sounds like the kind of environment where you can thrive, keep reading!

The Leidos Digital Modernization Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail missions.

Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your resume with us today!

Primary duties are as follows:

• Monitor data or infrastructure system networks for various messages, alarms, or issues. 

• Identify issues or problems and resolves as appropriate; escalates when necessary.

• Troubleshoot problems using scripts and standard, routine procedures; escalates as appropriate.

• Initiate resolution as appropriate for enterprise level routers and switches.

• Interface with vendors to ensure appropriate resolution during network outages or periods of reduced performance.

• Process Authorized Service Interruptions (ASI's) as directed by management.

• Maintain required security posture on all network equipment in accordance with DoD and local command mandates and requirements, including updates, STIGs, IOS upgrades, and other basic network security requirements.

• Support special projects and day to day operations as needed or assigned by the site lead

• Support on-call rotation schedule

Basic Requirements:

• Bachelor's degree with a minimum of 8+ years of related experience, additional years of relevant experience may be accepted in lieu of a degree.

• Currently possess an Active DoD Secret security clearance

• Active CompTIA Security + or CCNP Security certification

• Active CCNA Certification

• Expert knowledge with LAN switching, including Virtual Local Area Networks (VLANs), VLAN Trunk Protocol (VTP), Port Security, Spanning Tree, and Layer 2 and 3 switching configurations.

• Expert knowledge with Layer 3 routing protocols (EIGRP, OSPF, IS-IS, etc.) and best practices on implementation.

• Expert knowledge with with L1/L2 network troubleshooting (Unclassified and Classified

• Expert knowledge of DoD network and application security hardening requirements

• Experienced with programming, maintaining, and troubleshooting encryption devices at network points of presence including management via GEM-X or other DoD management tools.

• Experienced with DoD COMSEC management processes and procedures

Preferred Qualifications:

• Experienced with Cisco ISE and Cisco DNA

• Knowledge of Air Force, Pentagon, and/or AFNCR

• Experienced working at the Pentagon, Joint Base Andrews (JBA), and Joint Base Anacostia-Bolling (JBAB)

Required certifications:  

• Active CompTIA Security + or CCNP Security certification / Active CCNA Certification

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.

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.

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.

Description

Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team at Ft. Meade, MD.

POSITION SUMMARY:
This is an exciting opportunity to use your technical experience, and leadership to successfully execute Defense Information Systems Agency (DISA)  migration to the Department of Defense's Fourth Estate (DoD 4th Estate) agencies into a Common Use information technology (IT) infrastructure. The Leidos team will deliver Network Infrastructure services that will support the transition, infrastructure, network operations and management, engineering and innovation, cybersecurity services, and technical refresh for a Single Service Provider (SSP) network environment with all 4th Estate users.

CLEARANCE REQUIREMENT:
Must hold an active Secret security clearance prior to start and be able to obtain a Top Secret. (US Citizenship required)

PRIMARY RESPONSIBILIES:
Provide Subject Matter Expertise in network design, integration, test, security, and implementation of Network Services for DISA DoDNet.
Provide expert knowledge of network engineering and operations, large scale enterprise network solution implementation and transition to Network Operations, as well as test and evaluation activities. Perform highly technical maintenance involving network devices routers, switches, security solutions, and WANX.
Participate in technical development of staff.
Oversee the management of 5+ direct reports.
Propose new solutions to Network Domain Architects to define and/or continuously improve:
               o Direct STIG compliant configuration baselines, versioning, and compliance tracking
               o Evaluate the effectiveness of Automation and best practice insertion opportunities
               o Oversee development of SOPs/TTPs
               o Continuous Service Improvements (CSI)
               o System performance tuning and enhancements
               o Create and maintain Engineering Implementation Plans (EIP)
Evaluate network bandwidth needs and recommend measures to meet those requirements.
Provide expert knowledge of defense-in-depth standards, Network and Security architecture, network topology, IT device integrity, and common security elements.
Plan and execute network upgrades and maintenance activities with the appropriate Delivery Operations Managers, NOC Lead, Release Management team and other key stakeholders.
Serve as the senior Tier III escalation support engineer for Incident Management activities.
Develop and maintain technical documents, analyses, and reports.
Actively participate in Root Cause Analysis for Problem Management activities.
Able to work in a dynamic, fast-paced and mission-focused environment.

BASIC QUALIFICATIONS:
Master's degree and 15+ years; additional years of related work experience may be substituted for a degree.

Must have a DoD IAT level II baseline certification, prior to start (Sec+).
Advanced/Professional level vendor certifications (Cisco, Juniper, Aruba, Palo Alto).
10+ years' experience engineering and troubleshooting networks, including extensive routing and switching experience such as MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies.
In depth knowledge of IP network/subnet addressing.
Experience presenting to senior customer management, customer stakeholders, and company management.
Experience executing circuit cutovers in the DISA environment.
Familiarity with the ITIL framework.
Ability to travel up to 25% including OCONUS potential travel.
Willingness to work or be called in to work during off-hours to meet customer mission support requirements

PREFERRED QUALIFICATIONS:
Previous work experience providing engineering and operational services on DISA supported networks.
Experience with Aruba ClearPass Policy Manager (CPPM) identity management solution.
Demonstrated NET/SEC DevOps experience.
ITIL v3/v4 certification/training.
Agile certifications or applicable experience.

CISSP or CCIE active certification.

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.

The Leidos pay range for this job level is a general guideline only and 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.

#Featuredjob

Job Description

Description

Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team at Ft. Meade, MD.

POSITION SUMMARY:
This is an exciting opportunity to use your technical experience, and leadership to successfully execute Defense Information Systems Agency (DISA)  migration to the Department of Defense’s Fourth Estate (DoD 4th Estate) agencies into a Common Use information technology (IT) infrastructure. The Leidos team will deliver Network Infrastructure services that will support the transition, infrastructure, network operations and management, engineering and innovation, cybersecurity services, and technical refresh for a Single Service Provider (SSP) network environment with all 4th Estate users.

CLEARANCE REQUIREMENT:
•Must hold an active Secret security clearance prior to start and be able to obtain a Top Secret. (US Citizenship required)

PRIMARY RESPONSIBILIES:
•Provide Subject Matter Expertise in network design, integration, test, security, and implementation of Network Services for DISA DoDNet.
•Provide expert knowledge of network engineering and operations, large scale enterprise network solution implementation and transition to Network Operations, as well as test and evaluation activities. Perform highly technical maintenance involving network devices routers, switches, security solutions, and WANX.
•Participate in technical development of staff.
•Oversee the management of 5+ direct reports.
•Propose new solutions to Network Domain Architects to define and/or continuously improve:
               o Direct STIG compliant configuration baselines, versioning, and compliance tracking
               o Evaluate the effectiveness of Automation and best practice insertion opportunities
               o Oversee development of SOPs/TTPs
               o Continuous Service Improvements (CSI)
               o System performance tuning and enhancements
               o Create and maintain Engineering Implementation Plans (EIP)
•Evaluate network bandwidth needs and recommend measures to meet those requirements.
•Provide expert knowledge of defense-in-depth standards, Network and Security architecture, network topology, IT device integrity, and common security elements.
•Plan and execute network upgrades and maintenance activities with the appropriate Delivery Operations Managers, NOC Lead, Release Management team and other key stakeholders.
•Serve as the senior Tier III escalation support engineer for Incident Management activities.
•Develop and maintain technical documents, analyses, and reports.
•Actively participate in Root Cause Analysis for Problem Management activities.
•Able to work in a dynamic, fast-paced and mission-focused environment.

BASIC QUALIFICATIONS:
•Master's degree and 15+ years; additional years of related work experience may be substituted for a degree.

•Must have a DoD IAT level II baseline certification, prior to start (Sec+).
•Advanced/Professional level vendor certifications (Cisco, Juniper, Aruba, Palo Alto).
•10+ years’ experience engineering and troubleshooting networks, including extensive routing and switching experience such as MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies.
•In depth knowledge of IP network/subnet addressing.
•Experience presenting to senior customer management, customer stakeholders, and company management.
•Experience executing circuit cutovers in the DISA environment.
•Familiarity with the ITIL framework.
•Ability to travel up to 25% including OCONUS potential travel.
•Willingness to work or be called in to work during off-hours to meet customer mission support requirements

QUALIFICATIONS:
•Previous work experience providing engineering and operational services on DISA supported networks.
•Experience with Aruba ClearPass Policy Manager (CPPM) management solution.
•Demonstrated NET/SEC DevOps experience.
•ITIL v3/v4 certification/training.
•Agile certifications or applicable experience.

•CISSP or CCIE active certification.

Original Posting: June 9, 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 $126,100.00 - $227,950.00

The Leidos pay range for this job level is a general guideline only and 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.

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