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Keywords: Network Security Engineer - Senior (w/ active TS), Location: Arlington, VA

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Network Security Engineer - Senior (w/ active TS)

Network Security Engineer - Senior (w/ active TS) Location: Arlington, VA Clearance: TS/SCI Schedule: TBD Full...-time JOB DESCRIPTION Critical Solutions is seeking an experienced Senior Network Security Engineer to support...

Location: Arlington, VA
Posted Date: 11 Dec 2025

Network Engineer- 5 days onsite Springfield, VA Active TS/SCI Clearance Required

Cleared Network Engineer This role offers the opportunity to lead and evolve the ITP network enterprise.... This company is located in Springfield VA and requires 5 days onsite a week. The candidate must have an Active TS/SCI Clearance...

Location: Arlington, VA
Posted Date: 05 Dec 2025
Salary: $140000 - 150000 per year

Senior Data Engineer (TS/SCI Required)

Active TS/SCI security clearance required 4+ years of experience working with software platforms and services... of the SDLC to bring applications from proof of concept to production, including on the TS network. The Team...

Company: Deloitte
Location: Rosslyn, VA
Posted Date: 12 Oct 2025

Senior Network Engineer - 2nd or 3rd shift

, software, and security solutions. As a Senior Network Engineer, you will bring your years of experience and expertise...Responsibilities Peraton is seeking a self-driven and resourceful Senior Network Engineer to join our dynamic Network...

Company: Peraton
Location: Arlington, VA
Posted Date: 26 Dec 2025
Salary: $104000 - 166000 per year

Senior Networking Administrator - Network Engineer

Job: Senior Networking Administrator - Network Engineer (TS/SCI Security Clearance Required, Swing-Shift) Location... Administrator - Network Engineer role. This swing-shift position requires an active TS/SCI security clearance and offers a unique...

Posted Date: 16 Dec 2025

Senior Cyber Security Deception Engineer/Threat Hunter

Responsibilities Peraton is seeking a Senior Cyber Security Deception Engineer/Threat Hunter to become part... or network/cloud forensics. U.S. citizenship is required. Active Top Secret security clearance required. The ability...

Company: Peraton
Location: Arlington, VA
Posted Date: 12 Dec 2025

Onsite Network Engineer

NEED? Education and Certifications Active TS/SCI security clearance Active network certification, such as Cisco... satisfaction and operational efficiency? If so, this full-time Onsite Network Engineer position with our client...

Posted Date: 16 Dec 2025

Lead Network Engineer

Engineer to work in Arlington, VA. The candidate must have an active TS/SCI. The Lead Network Engineer serves as a designated..., and hybrid).This position requires an active Top Secret/SCI clearance (TS/SCI) for the duration of performance and the ability...

Posted Date: 06 Dec 2025

Network Architect

Solutions is seeking a self-driven and resourceful Senior Network Engineer to join our dynamic Network and Unified... Communications Architecture team of network and UC engineers in Arlington, VA. As a Senior Network Engineer, you will bring...

Posted Date: 20 Dec 2025

Senior Systems Engineer / Infrastructure Engineer (Lead)

Description: Marathon TS is seeking a Senior Systems Engineer / Infrastructure Engineer (Lead) to support a major DoD..., and network development initiatives Support maintenance, performance, and security of enterprise networks Analyze...

Company: Marathon TS
Location: Arlington, VA
Posted Date: 25 Dec 2025

Senior Software Engineer

., CISSP, CAP, Security+, CISM) within 30 days of hire. Active TS/SCI clearance with the ability to obtain CI Polygraph...Job Description: Summary Senior Software Engineer Arlington, VA Are you ready to enhance your skills and build...

Company: Chenega
Location: Arlington, VA
Posted Date: 14 Dec 2025

Senior VTC Engineer

and software solutions, and engineering support for the delivery of system, network, software, and security solutions. The VTC... Engineer is responsible for but not limited to: Tier II phone support of reported customer incidents supporting network...

Company: Peraton
Location: Arlington, VA
Posted Date: 20 Nov 2025
Salary: $112000 - 179000 per year

Cybersecurity Analyst/Engineer

Required: Active DoD TS/SCI Astrion is seeking a Cybersecurity Analyst/Engineer to join our prime contract supporting Headquarters... of cybersecurity experience in DoD, USSF, or IC environments. Active DoD TS/SCI clearance (with current investigation). CompTIA...

Company: Astrion
Location: Arlington, VA
Posted Date: 13 Dec 2025

Cybersecurity Analyst/Engineer

Clearance Required: Active DoD TS/SCI Astrion is seeking a Cybersecurity Analyst/Engineer to join our prime contract.... REQUIRED QUALIFICATIONS / SKILLS 7–12+ years of cybersecurity experience in DoD, USSF, or IC environments. Active DoD TS/SCI clearance...

Company: Astrion
Location: Arlington, VA
Posted Date: 13 Dec 2025

Senior Delivery Consultant, WWPS ProServe

requires that, after start, the selected candidate obtain and maintain an active TS/SCI security clearance with polygraph..., active US Government Security Clearance of TS/SCI or above Preferred Qualifications - AWS experience preferred...

Company: Amazon
Location: Arlington, VA
Posted Date: 15 Oct 2025