Senior Network Engineer - TS/SCI w CI Poly
Modern Government Solutions
Job Description
Job Description
TITLE: Senior Network Engineer, AI Data Center Infrastructure
LOCATION: McLean, VA
CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph
EMPLOYMENT TYPE: Full-time, Onsite
TRAVEL: Up to 20%
POSITION SUMMARY
Modern Government Solutions (MGS) is seeking a Senior Network Engineer to drive the performance, stability, and scalability of next-generation data center networks supporting Artificial Intelligence (AI) workloads. Working with enterprise-leading equipment and emerging technologies, you will play a critical role in designing and implementing robust, efficient network infrastructure.
You will join a diverse team of software and platform engineers to design, deploy, and maintain network infrastructure, collaborating with partners inside and outside the organization to deliver the highest standards for building and scaling networks, supported by ongoing training and professional development.
RESPONSIBILITIES (not limited to):
- Design, configure, troubleshoot, and maintain complex Layer 2 and Layer 3 data center architectures using Border Gateway Protocol (BGP), Equal Cost Multipath (ECMP), Virtual Extensible LAN (VXLAN), Multi-Chassis Link Aggregation Group (MCLAG), Spine-Leaf topologies, RDMA over Converged Ethernet (RoCEv2), and related technologies
- Collaborate with cross-functional teams to translate business requirements into effective network solutions
- Mentor and guide junior team members in their professional growth
- Document network infrastructure designs and configurations for knowledge sharing
REQUIRED SKILLS AND QUALIFICATIONS
- Must possess an active DoD TS/SCI with CI Polygraph security clearance.
- Current Information Assurance Management (IAM) Level II certification to satisfy DoD 8570 Information Assurance Technical (IAT) requirements
- Proven experience designing, configuring, managing, and troubleshooting complex BGP, VXLAN, and Layer 2 and Layer 3 data center architectures and topologies
- Experience with Spine-Leaf data center fabric architecture, design, and implementation, and with redundancy protocols such as MCLAG or Link Aggregation Control Protocol (LACP)
- Ability and willingness to build expertise in troubleshooting, designing, and monitoring RoCEv2 supporting ultra high-speed data transfers
- Strong communication, cross-functional collaboration, problem-solving, and attention to detail, with a commitment to quality work
- Commitment to staying current on networking trends, best practices, and technology advancements
- Ability to travel up to 20%, domestic and international, to perform on-site installations, maintenance, and troubleshooting at customer sites or data centers
PREFERRED SKILLS AND QUALIFICATIONS
- Experience with Linux-based Network Operating Systems (NOS)
- Network system implementations including installing and testing system backplane interconnects.
*Applicants selected will be United States citizens and may be subject to a government security investigation for access to classified information.*
ABOUT US
At MGS, we believe a people-first culture corresponds to organizational success through a commitment to excellence, integrity, inclusion, and an attitude that welcomes challenges meets demands, sustains growth, and drives innovation. We provide expert mission-first technical and programmatic services and solutions for the US intelligence community, the US Department of Defense, and other governmental agencies. We create people-first organizational cultures where employees feel needed in the system, not a system that needs employees. We provide you with long-term career opportunities centrally focused on our core value system: inclusion, integrity, and a commitment to excellence.
MGS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status, and will not be discriminated against on the basis of disability.
$119.5k - $275k
Senior Networking Professional Services Engineer - (Clearance Required: Top Secret/SCI w/CI Poly) , CA, MD, VA, DCThis role has been designated as ‘Remote/Teleworker’, which means you... ...required Clearance required: TS/SCI with CI Poly active Travel: 25%. Could...SeniorFull timeWork experience placementLocal areaImmediate startRemote work- ...late in/late out, 4/10s, and more) The Network Engineer will be responsible to design,... ...Ability to brief complex information to senior leadership Familiarity with Software... ...business hours Requirements *Active TS/SCI w/ FS Poly required* QUALIFICATIONS ...SuggestedLocal areaRemote 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...SeniorLong term contract- Allen Integrated Solutions, LLC seeks a Senior Helpdesk / Access Manager to support TS/SCI w/ CI Poly requirements at Fort Belvoir. You will manage advanced M3 access processes, train military personnel, and advise on PKI and clearance verification activities. Ideal candidates...Senior
$127.79k - $212.99k
...organization, apply now.We are currently seeking a Senior Intelligence Program Integrator (TS/SCI CI Poly) to join our team in Washington, District of... ...agencies;Guide identification of systems, mission engineering, and business process inadequacies and deficiencies...SeniorTemporary workWork at officeLocal areaRemote workFlexible hours$146k - $234k
...opportunities related to security engineering activities to leadership and... ...IBM Guardium, HP Web Inspect, Network Mapper (NMAP), and/or similar applications.Active TS/SCI security clearance with the ability... ...Category: Information TechnologyClearance: Top Secret/SCI w/PolySeniorContract workWork experience placementShift work$150k - $210k
...CLEARANCE U.S. Citizenship Active TS/SCI clearance WAGE INFORMATION... ...Responsibilities We are seeking INE Sr Network Engineer for the Department of State COMSEC IT Services... ...INE Sr Network Engineer will provide senior network engineering, troubleshooting,...SeniorFull timeContract workTemporary workWork at officeLocal areaMonday to FridayWeekend workDay shiftAfternoon shift- Senior ServiceNow (SNOW) Scrum Master - TS/SCI CI PolyDepartment: Government Customer - BethesdaLocation: Bethesda, MDACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS POSITIONWe are seeking a highly experienced Senior ServiceNow (SNOW) Scrum Master...SeniorFor contractors
- ...Job Description Job Description: Senior Principal Cyber Systems Engineer (DevOps Engineer) The selected candidate... ...to OCP. Only Candidates with a TS/SCI CI Poly Clearance will be considered... ...variance corrections across networks) o Help with automate the transition...Senior
- ...Job Description *Active TS/SCI w/ Full Scope Poly required prior to application... ..., mission critical, Systems Engineer role supporting CTMC! Join our... ...PowerShell, Bash, Python) CI/CD integration for database... ...engineering teams, including Network, Storage, Windows and Linux...Flexible hours
$175k - $250k
...50,000General Description of BenefitsJob RequirementsActive TS/SCI-CI Poly ClearanceProven experience working with Databricks in production... ....Strong proficiency in Python and/or SQL for data engineering.Experience with Apache Spark for distributed data processing...SeniorContract workWork at office$144.5k - $195.5k
...Currently Possess: Top Secret SCI + Polygraph Clearance... ...Cisco ASA Firewall, Local Area Network (LAN), Networks... ...Description: The Network Engineer is responsible for designing... ...position requires an active TS/SCI with Poly clearance ~ Bachelor's or Technology...Full timeTemporary workPart timeLocal areaImmediate startRemote workWorldwideFlexible hours- Senior Network Designer TS/SCI FSPDepartment: Government Customer- HerndonLocation: Herndon... ...TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED... ...to integration or test engineers. Monitor and analyze network... ...Bachelor's Degree Active TS/SCI w/FS PolyGeographic Location:...Senior
- Amentum is seeking an Expert Software Engineer in Arlington, VA with 10+ years of experience... ...the cloud. Responsibilities also cover CI/CD, system monitoring with Splunk and... ...producing comprehensive documentation. A TS/SCI w/ Poly clearance is required. #J-18808-Ljbffr...Senior
- ...solutions to complex problems as a Cloud Engineer at GDIT. Here, you’ll tailor cutting-edge... ...IaC/automation frameworks. Implement CI/CD pipelines with tools such as GitHub and... ...hours, 9am - 3pm Security Clearance: TS/SCI with Polygraph US Citizenship Required...Contract workWork experience placement
- IT Network Engineer TS/SCI FSP PolyDepartment: Government Customer - HerndonLocation... ...VAACTIVE TS/SCI CLEARANCE w/ FULL SCOPE Poly REQUIRED TO BE CONSIDERED... .../or Experience:Junior to Senior level positions... ...s DegreeTS/SCI clearance w/CI PolyRequirements/Abilities:...
- ...seeking a hands-on Systems Engineer with deep expertise across infrastructure... ...& Platforms Enterprise networking (e.g. routing, switching,... ..., Bash, Python, etc.) CI/CD integration with... ...Requirements *Eligible TS/SCI w/ FS Poly QUALIFICATIONS Bachelor...
- ...solutions to complex problems as a Cloud DevOps Engineer at GDIT. Here, you’ll tailor cutting-edge... ...Python, Bash, or Shell. Automation & CI/CD: Develop automation scripts, and... ...is required. Security Clearance: TS/SCI with Polygraph US Citizenship Required...Contract workWork experience placement
- ...Job Description Job Description Position Summary Senior Network Engineers lead the design, implementation, and troubleshooting of complex... ...environments. Requirements US Citizenship and TS/SCI with Polygraph (no exceptions) Education/Experience Requirements...Senior
$119.5k - $275k
Senior Network Escalation Engineer - Switching (TS/SCI Required)This role has been designed as ‘’Onsite’ with an expectation that you will primarily work from an HPE office.Who We Are:Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people...SeniorFull timeWork experience placementWork at officeLocal areaImmediate start$103.5k - $181.1k
...Job Description:Parsons is looking for an amazingly talented Senior Network Engineer to join our team! In this role, you will design, implement,... ...engineering specifications and network diagramsActive TS/SCI security clearanceWhat Desired Skills You'll BringExperience...SeniorFull timeFlexible hours$113k - $188.4k
...better for humans and humans better at work.Work You'll DoAs a Senior Consultant on the team, you will be responsible for:Leading organizational... ...and coordinating stakeholder assessments and engagementsActive TS/SCI with Polygraph security clearance requiredBachelor’s...SeniorLocal area- ...Description Transform technology into opportunity as a Network Engineer Senior with GDIT. A career in enterprise IT means connecting and enhancing... ...(CE) for certification ● Security Clearance Level: TS/SCI with Polygraph ● Required Skills and Abilities: Excellent...SeniorRemote work
- ...integrate, configure, troubleshoot, and maintain complex intelligence systems across NIPRNet, SIPRNet and JWICS. The role requires TS/SCI with Poly, an Associate Degree in Electronics or related field with four years of experience (or six years military training). #J-18808...
$146k - $234k
...seeking an Information Systems Security Engineer - to support its Federal Strategic Cyber... ...TechnologyMasters - Software EngineeringActive TS/SCI security clearance is required with the... ...ID: 2026-170324Position Category: Information TechnologyClearance: Top Secret/SCI w/PolySeniorContract workFor contractorsShift work$161.5k - $218.5k
...Currently Possess: Top Secret SCI + Polygraph Clearance... ...corrective actions Partner with engineering teams to integrate new... ...example: System Engineering, Network Engineering, Client Server, Service... ...complex systems. Active TS/SCI w/poly clearance Desired...Full timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours- ...concepts, such as topology, projections, linear referencing, network behavior, and spatial indexing into implementable... ...specifications for developers and vendors. ~ Active TS/SCI and ability to obtain/maintain CI Poly. Desired Skills: Experience supporting GEOINT...SeniorTemporary workWork at officeLocal areaImmediate start
- ...EXPERIENCE REQUIREMENTS: BA/BS or equivalent, 10+ years of experience in Intelligence Analysis CLEARANCE: Active TS/SCI clearance with poly US citizenship required LOCATION: Onsite GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our...Senior
- ...Description As a Sr. DevSecOps Engineer , you’ll play a critical... ...requirements. Develop CI/CD pipelines from scratch... ...Requirements ~ Active TS/SCI Clearance with CI poly. ~10+ years of experience... ...Benefits Essential Network Security (ENS) Solutions, LLC...SeniorTemporary workRelocation package
$146k - $234k
...security threats.Apply knowledge of network technologies and protocols,... ...Information System Security Engineer at a cleared facility.Must... ...similar applications.Active TS/SCI security clearance with the ability... ...Category: Information TechnologyClearance: Top Secret/SCI w/PolySeniorContract workWork experience placementShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Network Engineer - TS/SCI w CI Poly. Be the first to apply!
- network consulting engineer Falls Church, VA
- network software engineer Falls Church, VA
- network engineer - transport Falls Church, VA
- network developer Falls Church, VA
- data center network engineer Falls Church, VA
- network infrastructure engineer Falls Church, VA
- cisco network engineer Falls Church, VA
- network engineer Falls Church, VA
- network implementation engineer Falls Church, VA
- senior network engineer remote Falls Church, VA



