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Keywords: Software Engineer (TS/SCI with Polygraph REQUIRED), Location: Chantilly, VA

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Senior Network Deployment Engineer

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

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

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 Reliability Engineer

experience. Requires a TS/SCI and ability to obtain and maintain a Polygraph post hire Strong communication skills...Description GEOAxIS is looking for Systems Reliability Engineer engineer to work with the rest of the operations team...

Company: Leidos
Location: Chantilly, VA
Posted Date: 21 Jan 2026
Salary: $87100 - 157450 per year

Software Engineer- TS/SCI with Polygraph

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level..., VA. At GDIT, people are our differentiator. As a Software Engineer supporting the customer, you will be trusted to solve complex...

Company: General Dynamics
Location: Chantilly, VA
Posted Date: 21 Jan 2026

OCONUS Field Engineer - TS/SCI Polygraph Required

: All candidates for consideration, must possess an active and in-scope TS/SCI Polygraph. Basic Qualifications: Bachelor's degree... is made-up of highly technical and motivated individuals. The engineer for this role will troubleshoot complex problems...

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

Senior Windows Systems Engineer - TS/SCI with Polygraph

certification. Active TS/SCI and CI Polygraph MECM / MCM packages experience as well as vast knowledge in OSD (O/S Deployment...Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level...

Company: General Dynamics
Location: Chantilly, VA
Posted Date: 17 Jan 2026
Salary: $142792 - 172500 per year

Mobility Solutions Systems Engineer - TS/SCI with Polygraph

technology Education and Experience Active TS/SCI and CI polygraph Must possess the required DoD Directive 8570 IAT Level...Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level...

Company: General Dynamics
Location: Chantilly, VA
Posted Date: 31 Dec 2025
Salary: $102000 - 138000 per year

Senior Mechanical Engineer - active TS/SCI clearance with Polygraph

for the Chantilly, VA location. The position will require an active TS/SCI clearance with a Full Scope Polygraph... Secret with SCI clearance and a Full Scope Polygraph. Skills & Technology Used: Mechanical engineering with specialized...

Company: V2X
Location: Chantilly, VA
Posted Date: 26 Nov 2025

Systems Engineer (DevOps) - TS/SCI with Polygraph

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level... Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure...

Company: General Dynamics
Location: Chantilly, VA
Posted Date: 16 Jan 2026

TS/SCI DevOps Engineer

Position: DEv ops Engineer Location: Chantilly VA Clearance: TS-SCI With CI Poly Certifications: Current Security... software and IT concepts Strong problem solving and decision making skills Self-starter with an ability to work in a team...

Posted Date: 13 Dec 2025

Full Stack Software Engineer

, cross-functional team Experience managing large databases or a data warehouse TS/SCI clearance with a polygraph Bachelor...Full Stack Software Engineer The Opportunity: As a full stack developer, you can resolve a problem with a complete...

Location: Chantilly, VA
Posted Date: 05 Feb 2026
Salary: $86800 - 198000 per year

Expert Software Engineer

be for Qualifications: Active TS/SCI with Polygraph Requires BS degree and 11 - 15 years of prior relevant experience Demonstrated...Description: Markon is seeking an Experienced Software Engineer to support the infrastructure development for an IC...

Company: Markon
Location: Chantilly, VA
Posted Date: 04 Feb 2026

Senior Software Engineer

field. TS/SCI with eligibility for a CI Polygraph. U.S. Citizenship is required for this position. DoD 8570 IAT level 3...Collaborate with team members to understand project requirements and deliver high-quality software solutions. Assist...

Posted Date: 04 Feb 2026

Software and Systems Engineer

Active TS/SCI clearance; willingness to take a polygraph exam Bachelor's degree Ability to obtain a Security+ CE...Software and Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills...

Location: Chantilly, VA
Posted Date: 04 Feb 2026
Salary: $69400 - 158000 per year

Expert Software Engineer

or the transition of legacy applications to the cloud environment. Qualifications: Active TS/SCI with Polygraph Requires...Description: Markon is seeking an Experienced Software Engineer to support the infrastructure development for an IC...

Company: Markon
Location: Chantilly, VA
Posted Date: 04 Feb 2026

Full Stack Software Engineer

environment. Required Skills: Active TS/SCI with Full Scope Polygraph Experience designing, developing, and testing full-stack...Kavaliro is seeking a Full Stack Software Engineer to support a client in Virginia. Job Description: We are seeking...

Company: Kavaliro
Location: Chantilly, VA
Posted Date: 29 Jan 2026

Full Stack Software Engineer

environment. Required Skills: Active TS/SCI with Full Scope Polygraph Experience designing, developing, and testing full-stack...Kavaliro is seeking a Full Stack Software Engineer to support a client in Virginia. Job Description: We are seeking...

Company: Kavaliro
Location: Chantilly, VA
Posted Date: 28 Jan 2026

Software Engineer

, or Node.JS Ability to work with automated testing tools to perform testing and maintenance TS/SCI clearance with a polygraph...Software Engineer The Opportunity: Booz Allen is looking for a Software Engineer who is driven by purpose and ready...

Location: Chantilly, VA
Posted Date: 28 Jan 2026
Salary: $69400 - 158000 per year

Senior Software Engineer

field. TS/SCI with eligibility for a CI Polygraph. U.S. Citizenship is required for this position. DoD 8570 IAT level 3...Collaborate with team members to understand project requirements and deliver high-quality software solutions. Assist...

Posted Date: 27 Jan 2026

Cyber Software Engineer

Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local... technologies Qualifications: Required: An active TS/SCI with polygraph Five to Fifteen (5-15) years’ experience...

Location: Chantilly, VA
Posted Date: 23 Jan 2026
Salary: $66700 - 133300 per year