Network Engineer (Principal/Lead) - TS/SCI with Polygraph Required
Catalyst Operations & Analytics
Job Description Job Description Position Summary Principal/Lead Network Engineers provide technical leadership across the architecture, modernization, and delivery of large, complex, global enterprise network infrastructure in support of the customer's mission. Principal/Lead Network Engineers research, assess, and recommend emerging network infrastructure technologies, own major network design decisions, and set technical direction for large-scale network modernization efforts spanning CONUS and OCONUS locations. Principal/Lead Network Engineers are expected to mentor Senior, Mid-Level, and Associate network engineers and represent network architecture decisions directly to the customer. Requirements US Citizenship and TS/SCI with Polygraph (no exceptions) Education/Experience Requirements: Bachelor's degree and 12+ years of relevant network engineering experience (Master's degree and 10+ years also acceptable); additional relevant experience may be considered in lieu of a degree Required Skills: Expert-level experience architecting and modernizing large, global enterprise network infrastructure (LAN/WAN/CAN) Extensive experience with routing and switching protocols (e.g., OSPF, BGP, MPLS, VRF, VPN) at global enterprise scale Demonstrated experience researching, assessing, and recommending emerging network infrastructure technologies Deep expertise with network hardware from major vendors (e.g., Cisco, Juniper, Brocade) DoD 8140/8570 Information Assurance Technical (IAT) Level II certification required Demonstrated ability to lead large-scale network modernization and transition efforts with minimal service disruption Excellent critical thinking, technical writing, and oral communication skills, including the ability to present and defend network architecture decisions to customers and senior stakeholders Principal/Lead positions set technical direction for network architecture across the program and mentor Senior, Mid-Level, and Junior network engineers
- ...Network Engineer PrincipalTransform technology into opportunity... ...a Network Engineer Principal at GDIT. Shape what'... .... Analyzes customer requirements and provides... ...to support IA team with Authority To Operate... ...Security clearance level: TS/SCI with polygraph US citizenship...PrincipalFor subcontractorRemote work
$87.5 - $125 per hour
Senior Network Engineer with active TS/SCI Clearance with CI Polygraph needed for a Long Term Contract opportunity with SOC's direct client for an onsite role based McLean, VA. **Due to federal requirements, candidates must hold an Active TS/SCI Clearance with CI Polygraph...SuggestedLong term contract- ...DescriptionPosition SummarySenior Network Engineers lead the design,... ...support of the customer's requirements. Senior Network Engineers... ...coordinate maintenance activities with minimal service... ...RequirementsUS Citizenship and TS/SCI with Polygraph (no exceptions) Education...Suggested
- ...Position Summary Mid-Level Network Engineers support the design,... ...support of the customer's requirements, working both individually... ...technical exchange meetings with other stakeholders. Mid-Level... ...US Citizenship and TS/SCI with Polygraph (no exceptions) Education...Suggested
- ...DescriptionPosition SummaryJunior Network Engineers support the configuration,... ...support of the customer's requirements, working as members of a... ...Network Engineers assist with implementation of routing... ...Citizenship and TS/SCI with Polygraph (no exceptions) Education/...Suggested
$164.38k - $212.75k
...Top Secret SCI + Polygraph Clearance Level... ...Public Trust/Other Required: None Job... ..., Cloud Engineering, Enterprise Infrastructures... ...group, tenant, network, identity,... ...patterns with assumptions, constraints... ...ownership. Lead cloud... ...Clearance: Active TS/SCI with Polygraph...PrincipalFor contractors- ...DescriptionPosition SummaryExpert/Lead Systems Integrators... ...expected to operate with substantial latitude... ...other integrators and engineers, and provide highly... ...Citizenship and TS/SCI with Polygraph (no exceptions) Education/Experience Requirements:Bachelor's degree and...
- ...support of the customer's requirements, including... ...generation architectures. Principal/Expert Software... ...trade-offs, and set engineering direction across Agile... ...RequirementsUS Citizenship and TS/SCI with Polygraph (no exceptions)... ...experience leading Agile/Scrum development...Principal
$122.28k - $165.43k
...Network Engineer PrincipalTransform technology into opportunity... ...a Network Engineer Principal at GDIT. Shape what's... ...engineering career.Required Skills:Plan, design,... ...: 8+ yearsClearance: TS/SCI with PolygraphLocation: McLean... ...worldwide, offering leading mission-ready...Temporary workWork experience placementImmediate startRemote workWorldwideFlexible hours$169.6k - $229.46k
...Cyber Analyst Principal Type of Requisition... ...: Top Secret SCI + Polygraph Clearance Level... ...Trust/Other Required: None Job... ...seasoned professional with extensive,... ...blend of technical engineering prowess,... ...ISSM), and Cyber Lead in ensuring the... ...current and active TS/SCI with Polygraph...PrincipalFull timeContract workTemporary workImmediate startRemote workWorldwideFlexible hours$170k - $230k
...Possess: Top Secret SCI + Polygraph Clearance Level... ...Trust/Other Required: None Job... ...Cyber Analyst Principal for a critical... ...seasoned professional with extensive,... ...blend of technical engineering prowess,... ...ISSM), and Cyber Lead in ensuring the... ...current and active TS/SCI with...PrincipalFull timeContract workTemporary workImmediate startRemote workWorldwideFlexible hours- ...Altamira Technologies Corp. in McLean, VA seeks a Network Engineer to configure, implement, maintain and troubleshoot a critical operational... ...security policies and STIGs. Candidates must have a TS/SCI w/CI polygraph, a bachelor's degree and at least four years of related...
- ...opportunity as the Site Lead (UK) has overall... ...of technical requirements to include... ...Terminal (GT)/IT Engineering tasks: Perform T3... ...approval. Coordinate with the Government and... ...Software/IT personnel, Network Administrators,... ...clearance level: TS/SCI with polygraph US citizenship...Full timeFor contractors
- ...Chantilly, VA seeks a Sr. Principal Cyber Systems / Network Engineer to monitor, maintain,... ...performed. The role requires strong collaboration... ...solving, and the ability to lead with innovative cyber... ...fast-paced environment. A TS/SCI with Polygraph is required. #J-18808...
- ...Platform Operations Engineer to own and mature... ...GPU/CPU/storage/network capacity models... ...telemetry integrated with enterprise... ...release evidence. Lead technical reviews... ...patterns. Required Qualifications... ...Clearance: Active TS/SCI with Polygraph ~8+ years of platform...PrincipalLocal area
$159.1k - $265.1k
...services agendas and strategies. You will work with leading-class teams and solutions, helping... ...:Bachelor’s degreeActive TS SCI clearance with polygraph5+ years of experience... ...accommodations for people with disabilities. If you require a reasonable accommodation to...Local area- ...technology into opportunity as a Network Engineer Senior with GDIT. A career in enterprise IT means... ...schedule, costing, and resource requirements. ● Build network topologies to deliver... ...● Security Clearance Level: TS/SCI with Polygraph ● Required Skills and Abilities:...Remote work
- ...Summary Senior Systems Integrators lead the planning, implementation, and delivery... ...in support of the customer's requirements. Senior Systems Integrators perform horizontal... ...Requirements US Citizenship and TS/SCI with Polygraph (no exceptions) Education/Experience...Contract work
$164.38k - $201.25k
...Possess: Top Secret SCI + Polygraph Clearance... ...Trust/Other Required: None Job Family... ..., Systems Engineering, Technical Project... ...work closely with other project... ...requires an active TS/SCI with... ...Architecture and networks Demonstrated... ...worldwide, offering leading mission-ready...Job sharingTemporary workFor contractorsImmediate startRemote workWorldwideFlexible hours$235k
...B4Corp in Bethesda, MD is seeking a Systems Engineer-level Cyber Infrastructure Support with TS/SCI clearance and polygraph. The role focuses on IT infrastructure engineering... ...experience or an MS with substantial experience is required to support risk #J-18808-Ljbffr$87.5 per hour
Senior Platform Engineer needed for a multi... ...opportunity with SOC’s client to... ...Must Haves:Active TS/SCI with CI polygraph is requiredLinux... ...technologies, enterprise-leading equipment, and... ...and Namespaces. Networking: Strong... ...of the time, as required, to perform on-site...Contract work- ...LLMs and other technologies) with external systems, including... ...in Computer Science, Engineering, or a related technical discipline... ...Security Clearance Level: TS/SCI with Polygraph #WeAreGDIT #JET... ...#VA_2026Alumni Work Requirements Years of Experience 15 +...Work experience placement
$126k
...Jobs System Engineer III | Scott Air... ..., Illinois Network Configuration Analyst... ...- Active TS with ability to obtain SCI Required - Huntsville, AL... ...Alabama Federal Principal Presales... ...with Full Scope Polygraph Fort Meade , Maryland... ...role, you will lead the resolution...For contractorsFor subcontractor- ...M2 Solutions is seeking a Network Engineer to design, operate, and secure enterprise networks... ...mission-focused infrastructure with INFOSEC and COMSEC compliance. Required 6+ years of experience and a TS/SCI clearance with polygraph. Bachelor's degree required; Master’...
- Xcelerate Solutions, based in McLean, VA, seeks a Senior Personnel Security Administrator with TS/SCI and Full Scope Polygraph to lead complex security tasks. The role involves high-level analyses, SOP writing, and briefing leadership on findings. The position emphasizes...
$210k - $250k
...Job DescriptionJob DescriptionPalantir Platform Engineer - Active TS/SCI with FSPLocation: Herndon, VAClearance Required: TS/SCI with Full Scope Polygraph (FSP)Position Type: Full-Time, On-SiteSalary Range: $210,000 – $250,000DescriptionWe are seeking a Palantir Platform...Full timeContract workTemporary work- ...research, analyze, and brief on network analysis techniques and... .... Education/Experience Requirements: Bachelor’s degree and at... ...standards.Demonstrated skills with communication, networking,... .... All positions require US citizenship and a TS/SCI clearance with Polygraph....
$210k - $250k
...Palantir Platform Engineer - Active TS/SCI with FSP Location : Herndon, VA Clearance Required : TS/SCI with Full Scope Polygraph (FSP) Position Type : Full-Time, On-Site Salary Range : $210,000 – $250,000 Description We are seeking a Palantir Platform...Full timeContract workTemporary work$170k - $230k
...place and works with staff to... ...Identify customer requirements, analyze alternatives... ...platform, and network configurations... ...Architect Principal must have:... ...Bachelor's degree in Engineering, Computer... ...level: TS/SCI w/ PolygraphUS... ...worldwide, offering leading mission-ready...PrincipalTemporary workImmediate startWorldwideFlexible hours$164.38k - $274.52k
...experience aligns with this role, and... ...RequirementsReston, VA Top Secret/SCI Polygraph Senior Level... ...and plans network communications to... ...• Experience engineering and deploying cloud... ...to take customer requirements or problems and... ...an active/current TS/SCI with Polygraph...Remote work
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