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

Page: 3

Expert Systems Engineer - Sensor Integration

Responsibilities We are seeking an Expert Systems Engineer to help lead multi-discipline engineering efforts.... Oversee and coordinate engineering work performed by Senior-, Mid-, and Junior-level systems engineering staff...

Posted Date: 06 Dec 2025

System Engineer

strategies Provide senior-level staff support to coordinate and manage systems engineering actions and activities Provide... principles and processes TS/SCI with Polygraph Some travel required Qualification Desired: Ability to derive...

Company: KBR
Location: Chantilly, VA
Posted Date: 22 Nov 2025

Principal Information Systems Security Engineer (ISSE-4)

a Principal Information Systems Security Engineer (ISSE-4) to provide senior-level cybersecurity engineering support for mission...πŸ“ Chantilly, VA | πŸ•’ Full-Time | πŸ”’ TS/SCI with Polygraph | Onsite Overview Lucayan Technology LLC is hiring...

Location: Chantilly, VA
Posted Date: 09 Nov 2025

GEOINT Systems Engineer

Responsibilities We’re hiring a Mid-Level Systems Engineer with hands-on experience across the full Systems... alongside Expert and Senior Systems Engineers and Integrators to: Perform Architecture Gap Analyses, Enterprise Requirements...

Posted Date: 06 Nov 2025
Salary: $86000 - 138000 per year

Space Vehicle Systems Engineer

Title: Space Vehicle Systems Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team... security. KBR is looking for Space Vehicle Systems Engineer to join our Proliferated Synthetic Aperture Rader (SAR...

Company: KBR
Location: Chantilly, VA
Posted Date: 02 Nov 2025

Expert Systems Engineer - Windows/Linux

Staying up-to-date with industry trends and emerging technologies Qualifications: TS/SCI with Full Scope Polygraph... documentation. Demonstrated ability to convey complex issues clearly and concisely to senior leadership. Self-starter and ability...

Company: Markon
Location: Chantilly, VA
Posted Date: 22 Jan 2026

Sensor Integration Systems Engineer

and coordinates the work of Senior-, Mid-, and Junior-level contractor Systems Engineers. Qualifications Peraton offers enhanced... NSG/ASG and NRO Previous NGA and/or NSG/ASG program/project work Previous IC or DoD program/project work TS/SCI...

Posted Date: 10 Jan 2026

Senior Systems Administrator

Job Title: Senior Systems Administrator Department: IT / Engineering Reports To: RSekure Program Manager Location...: Chantilly, VA Schedule: Monday – Friday Hours: Full-time, 40-hours/week Clearance Req: TS/SCI – Full-Scope Polygraph...

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

Senior Principal/Staff Cyber Software Engineer

Job Description: Overview Byte Systems, a subsidiary of VTG, is seeking a Software Engineer to join our diverse.../Linux TS/SCI with Poly. Preferred Qualifications: Security+ or equivalent certification and willingness to serve...

Company: VTG Defense
Location: Chantilly, VA
Posted Date: 25 Jan 2026

Senior Principal/Staff Cyber Software Engineer

Overview: Byte Systems, a subsidiary of VTG, is seeking a Software Engineer to join our diverse team at our Herndon... development experience. Experience with SQL Shell Script experience Hands-on experience with Unix/Linux TS/SCI with Poly...

Company: VTG
Location: Chantilly, VA
Posted Date: 25 Jan 2026

Senior Cloud Software Engineer

Senior Software Engineer (Python / AWS / Terraform) Location: Onsite – Chantilly, VA Clearance: TS/SCI and Poly... Required Compensation: $250,000–$260,000 base salary Overview We are seeking a Senior Software Engineer to design, build, and operate...

Company: The Josef Group
Location: Chantilly, VA
Posted Date: 24 Jan 2026

Senior DevOps Engineer

to operate the implemented systems. Other duties as assigned. Required Experience: Must hold an Active TS/SCI...Job Description: Input Technology Solutions is seeking a Senior DevOps Engineer for a full-time position located...

Posted Date: 23 Jan 2026

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 Splunk Cyber Security Engineer

a motivated, career, and customer-oriented Senior Splunk Cyber Security Engineer to join our team in Chantilly, VA. In this role... TS/SCI with Polygraph Physical Requirements: Must be able to remain in a stationary position 50% of the time...

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

Senior Splunk Cyber Security Engineer

a motivated, career, and customer-oriented Senior Splunk Cyber Security Engineer to join our team in Chantilly, VA. In this role... TS/SCI with Polygraph Physical Requirements: Must be able to remain in a stationary position 50% of the time...

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

Senior Network Engineer

! ***This is for a future opportunity*** MANTECH seeks a motivated, career and customer-oriented Senior Network Engineer to join our team... Engineering, or other IT-related discipline. Clearance Requirements: Must have a current/active TS/SCI w/Polygraph...

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

Senior Cyber Security Engineer

a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA. This role supports...: Must have a current/active TS/SCI with Polygraph. Physical Requirements: The person in this position must be able to remain...

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

Senior Principal Cyber Security Engineer

a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in Chantilly, VA. This role.../active TS/SCI with Polygraph Physical Requirements: The person in this position must be able to remain in a stationary...

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

Senior Data Engineer

! ***This is for a future opportunity*** MANTECH seeks a motivated, career and customer-oriented Senior Data Engineer to join our team...: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain in a stationary position 50% Needs...

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

Senior Cyber Security Engineer

a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA. Senior Cyber... Benchmarks) Clearance Requirements: Must have a current/active TS/SCI with Polygraph Physical Requirements: The person...

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