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Keywords: Systems Engineer (Expert) - TS/SCI Clearance Required, Location: Chantilly, VA

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Lead Systems Engineer

, network objects, isolation, and micro-segmentation Clearance Requirements: Must have an active DoD TS/SCI with the ability...MANTECH is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly...

Company: ManTech
Location: Chantilly, VA
Posted Date: 19 Dec 2025

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

Network Design Engineer (TS/SCI CI POLY Clearance Required)

). Requirements Requirements: TS/SCI CI Poly Candidate must have 16 years of experience that can be a combination of work history...A&M Technologies, Inc. has opening for a Design Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support...

Posted Date: 31 Jan 2026

Network Implementation Engineer (TS/SCI CI Poly Required)

. Requirements Required Clearance: TS/SCI CI Poly Candidate must have 10 years of experience that can be a combination of work...A&M Technologies, Inc. has an opening for a Network Implementation Engineer to support our government customer’s global...

Posted Date: 31 Jan 2026

Network Engineer, TS/SCI with Polygraph

such as DISA STIGs Security clearance level: TS/SCI w/polygraph. Location: On Customer site in Chantilly, VA GDIT...Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level...

Company: General Dynamics
Location: Chantilly, VA
Posted Date: 15 Nov 2025

Expert Systems Engineer - GEOINT / Zero Trust

with and strong understanding of systems engineering lifecycle. TS/SCI clearance adjudication or ability to obtain SCI and pass a poly. Desired.../environment, visibility and analytics, and automation and orchestration—this is your opportunity. As an Expert Systems Engineer...

Posted Date: 28 Jan 2026

Expert Level Systems Engineer

Responsibilities We are seeking an Expert-Level Systems Engineer to help lead and shape enterprise-scale engineering... architecture, strategy, and execution across large system-of-systems environments. What You’ll Do As an Expert Systems Engineer...

Posted Date: 24 Jan 2026

Expert-Level Test Systems Engineer

Responsibilities We are seeking an Expert-level Test Systems Engineer to lead and execute application, system.../SCI clearance or ability to obtain SCI and successfully pass a polygraph Desired Master’s degree in Computer Science...

Posted Date: 21 Jan 2026

Expert GEOINT Modernization & Integration Systems Engineer

. What You’ll Do As an Expert Systems Engineer & Integrator, you will play a key role in shaping NGA’s enterprise systems... and its Mission Partners. With GEOINT data and providers. TS/SCI clearance adjudication or ability to obtain SCI and pass...

Posted Date: 12 Dec 2025

Expert Systems Engineer - Sensor Integration

Responsibilities We are seeking an Expert Systems Engineer to help lead multi-discipline engineering efforts... or projects. Clearance Active TS/SCI clearance, or the ability to obtain SCI access and pass a polygraph. Desired...

Posted Date: 06 Dec 2025

Network Engineer, Expert

Job Title: Network Engineer, Expert Job Category: Engineering Time Type: Full time Minimum Clearance... Travel for installs and upgrades to network (local and OCONUS) Qualifications: Required: Active TS/SCI clearance...

Location: Chantilly, VA
Posted Date: 04 Feb 2026

Software Engineer - Expert

DevOps Engineer AWS Certified Data Engineer Special Requirements TS/SCI clearance with a Full-Scope polygraph. Work... Location: Chantilly, VA Schedule: Monday – Friday Hours: Full-time, 40-hours/week Clearance Req: TS/SCI – Full-Scope...

Company: RSEKURE
Location: Chantilly, VA
Posted Date: 08 Jan 2026

Software Engineer - Subject Matter Expert

AWS Certified Developer AWS Certified DevOps Engineer AWS Certified Data Special Requirements TS/SCI clearance...Job Title: Software Engineer – Subject Matter Expert (SME) Department: Operations/Services Reports To: RSekure...

Company: RSEKURE
Location: Chantilly, VA
Posted Date: 08 Jan 2026

Network Engineer - Subject Matter Expert (SME)

Responsibilities: As a Network Engineer SME, you will provide expert leadership in designing, implementing... network systems and communications solutions optimized for Top Secret/SCI environments. Create and maintain comprehensive...

Company: Noblis
Location: Chantilly, VA
Posted Date: 19 Dec 2025

Expert Level Cyber Security Engineer

compliance TS/SCI clearance adjudication or ability to obtain SCI and pass a poly. Desired: Experience engineering Cyber... secure systems and applications—accelerating delivery by ensuring alignment with ICD-503 controls and future cybersecurity...

Posted Date: 28 Jan 2026

Senior Systems Engineer - Requirements

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

Posted Date: 01 Feb 2026

Systems Engineer

. * TS/SCI clearance, with ability to obtain SCI and successfully pass a polygraph. Desired Experience or working...Responsibilities We are seeking a Mid-Level Systems Engineer with hands-on experience across the full Systems...

Company: Peraton
Location: Chantilly, VA
Posted Date: 30 Jan 2026
Salary: $112000 - 179000 per year

Systems Engineer - Technology Governance

Responsibilities We are seeking a highly skilled Systems Engineer Technology Governance professional to lead the... thinking and problem-solving. Adaptability and flexibility in a rapidly changing environment. Qualifications TS/SCI...

Company: Peraton
Location: Chantilly, VA
Posted Date: 30 Jan 2026

Network Management Systems (NMS) Lead Engineer (IT Enterprise Architect Level III) (Government)

Lead Engineer will serve as the subject matter expert in network management systems, overseeing the implementation of large... performance. Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph) Required Qualifications: Candidate...

Company: AT&T
Location: Chantilly, VA
Posted Date: 29 Jan 2026
Salary: $118700 - 224141 per year

Lead Systems Engineer

, network objects, isolation, and micro-segmentation Clearance Requirements: Must have an active DoD TS/SCI with the ability... is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This is a position...

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