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Keywords: Senior Systems Engineer (TS/SCI), Location: Chantilly, VA

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Senior Network Deployment Engineer

MANTECH seeks a motivated, career and customer-oriented Senior Network Deployment Engineer to join our team... Requirements: Must have a current/active TS/SCI and be willing and able to obtain a polygraph. Physical Requirements: The...

Company: ManTech
Location: Chantilly, VA
Posted Date: 23 Jan 2026

Senior Systems Engineer (TS/SCI)

Position Title: Senior Systems Engineer (TS/SCI) Position Type: Full-Time / Exempt Clearance: Top Secret/SCI... We are seeking an experienced Senior Systems Engineer to join our Cleared IT Support Team. This role is pivotal in managing...

Company: Summit 7 Systems
Location: Chantilly, VA
Posted Date: 21 Jan 2026
Salary: $150000 - 190000 per year

Senior Network/Systems Tools Engineer (OpenText) (TS/SCI CI Poly Required)

A&M Technologies Inc. has an opening for a Senior Network/Systems Tools Engineer to support the Intelligence Sector... efficiency and reduce manual workload. Requirements TS SCI CI Poly Candidate must have 16 years of experience that can...

Posted Date: 31 Jan 2026

Systems Engineer (Expert) - TS/SCI Clearance Required

degree program, or equivalent Expert level experience as a Systems Engineer. Expert working experience in Government... talented. Overall Assignment Description: Expert Systems Engineers assist in leading engineering teams in taking a multi...

Company: Core-CSI LLC.
Location: Chantilly, VA
Posted Date: 21 Dec 2025

Senior RF Payload Engineer - TS/SCI

. Unleash your talent and redefine what’s possible. Job Description: Parsons is seeking a Senior RF Payload Engineer... on technology trades, risk, and design re-use across multiple programs. What Required Skills You'll Bring: Active TS/SCI...

Company: Parsons
Location: Chantilly, VA
Posted Date: 27 Feb 2026
Salary: $103500 - 181100 per year

Senior Network Tool Engineer (TS/SCI CI Poly Required)

A&M Technologies, Inc. has an opening for a Senior Network Tool Engineer to support the Intelligence Sector. The... to installations, configurations, and network processes. Requirements TS SCI CI Poly Candidate must have 16 years of experience...

Posted Date: 31 Jan 2026

1974 Cleared DevOps Engineer Senior (TS/SCI)

: All Points is seeking a Top Secret Cleared DevOps Engineer Senior to support the Federal Bureau of Investigation (FBI... with SCI eligiblity. The selected candidate will support IT networks, systems, and initiatives with activities that include...

Company: AllPoints
Location: Chantilly, VA
Posted Date: 19 Feb 2026

OCONUS Field Engineer - TS/SCI Polygraph Required

will have prior experience as either a systems engineer or systems administrator. Prior OCONUS experience and IP networking knowledge...: All candidates for consideration, must possess an active and in-scope TS/SCI Polygraph. Basic Qualifications: Bachelor's degree...

Company: Leidos
Location: Chantilly, VA
Posted Date: 05 Feb 2026

Java Full Stack Developer TS/SCI

systems, Kafka, Active MQ or similiar and development and usage with RESTful web services Active Top Secret or TS/SCI...Java Full Stack Developer Job Location: Chantilly, VA Active Top Secret or TS/SCI security clearance. Need...

Posted Date: 06 Feb 2026

Java Full Stack Developer - TS/SCI w/Poly

Java Full Stack Developer Job Location: Chantilly, VA (On-site 100%) Active TS/SCI security clearance. Need... Mid-to-Senior Software Engineer to join our dynamic development team in supporting a Government customer. The team...

Posted Date: 31 Jan 2026

Senior Systems Engineer

, and management decisions. Qualifications: Required Qualifications: Active TS/SCI with an in-scope Polygraph (within the last 10...Overview: Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national...

Posted Date: 06 Mar 2026

Senior Systems Engineer

, and management decisions. Qualifications: Required Qualifications: Active TS/SCI with an in-scope Polygraph (within the last 10...Overview: Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national...

Posted Date: 20 Feb 2026

Senior Systems Engineer

, and management decisions. Qualifications: Required Qualifications: Active TS/SCI with an in-scope Polygraph (within the last 10...Overview: Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national...

Posted Date: 29 Jan 2026

Senior Systems Engineer

, and management decisions. Qualifications: Required Qualifications: Active TS/SCI with an in-scope Polygraph (within the last 10...Overview: Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national...

Posted Date: 29 Jan 2026

Senior Systems Engineer

, and management decisions. Qualifications: Required Qualifications: Active TS/SCI with an in-scope Polygraph (within the last 10...Overview: Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national...

Posted Date: 19 Jan 2026

Senior Systems Engineer

Responsibilities We are seeking a Senior Systems Engineer to lead complex, mission-critical engineering efforts.... Previous NGA and/or NSG/ASG program/project experience. Previous IC or DoD program/project experience. Active TS/SCI...

Posted Date: 19 Feb 2026

Senior Level GEOINT Systems Engineer

Responsibilities We are seeking a Senior-Level Systems Engineer with hands-on experience across the full Systems...-Oriented / Cloud environments Strong understanding of the systems engineering lifecycle * TS/SCI clearance adjudication...

Posted Date: 18 Feb 2026
Salary: $112000 - 179000 per year

Senior Systems Engineer - High-Performance Computing (HPC) & Artificial Intelligence (AI)

Overview: We are seeking an experienced Senior Systems Engineer with US Government Top Secret/SCI security clearance... Qualifications: Active TS/SCI with Polygraph required. Bachelor’s degree in Engineering, Computer Science, Software Engineering...

Company: VTG
Location: Chantilly, VA
Posted Date: 13 Feb 2026

Senior Systems Engineer - High-Performance Computing (HPC) & Artificial Intelligence (AI)

Job Description: Overview We are seeking an experienced Senior Systems Engineer with US Government Top Secret/SCI..., secure, and highly available system architectures Do you have what it takes? Active TS/SCI with Polygraph...

Company: VTG Defense
Location: Chantilly, VA
Posted Date: 12 Feb 2026

Senior Systems Engineer - Requirements

Responsibilities We’re looking for a Senior Systems Engineer to join our high-impact Requirements team. In this role... environments. Experience with and strong understanding of systems engineering lifecycle. TS/SCI clearance adjudication or ability...

Posted Date: 01 Feb 2026