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

Page: 3

Software Developer

/current TS/SCI with polygraph clearance. Experience translating customer and system requirements into software design...) Location: Chantilly, VA (on-site client environment) Clearance: TS/SCI with polygraph Compensation: Competitive, Excellent...

Company: Armison Tech
Location: Chantilly, VA
Posted Date: 14 Jan 2026

Senior Software Developer

intel professional because you have a Top Secret Clearance with SCI Eligibility (TS/SCI). May be asked to undergo polygraph... Justice Information Services Division's Headquarters. Founded in 2007 by an Engineer-by-trade, Fusion Technology dedicates...

Location: Chantilly, VA
Posted Date: 20 Dec 2025

Full Stack Software Developer

Experience working as part of an agile team to deliver software iteratively Do you have what it takes? Active TS/SCI... Engineer and Technical Leads to translate requirements into user stories to incorporate new functionality into various software...

Company: VTG Defense
Location: Chantilly, VA
Posted Date: 28 Nov 2025

Full Stack Software Developer

to deliver software iteratively Qualifications: Active TS/SCI with Polygraph required. Bachelor’s degree in computer...Overview: VTG is seeking a talented and experienced Full Stack Software Developer to join our dynamic and innovative...

Company: VTG
Location: Chantilly, VA
Posted Date: 28 Nov 2025

Systems Engineer Expert (AUTHZ-07-01)

approximately one week every three months. Required Skills: Active TS/SCI with Polygraph Typically requires BS degree and 8.... As an Infrastructure Engineer on this program, you will not only maintain environments for applications created by our software development...

Posted Date: 28 Jan 2026

Systems Engineer (LFI-CS-30-01)

execution guidance and practical engineering support to mission teams Required Skills: Active TS/SCI with Polygraph... Engineer on this program, you will design, develop, and implement a Cloud-Native Service architecture that software development...

Posted Date: 01 Jan 2026

Systems Engineer (LFI-CS-38-01)

to mission teams Required Skills: Active TS/SCI with Polygraph BS degree and 6-10 years of relevant experience... Platform Engineer will work with a large team of developers, software engineers, cybersecurity engineers, database...

Posted Date: 24 Dec 2025

Systems Engineer Expert (AUTHA-06-01)

and workflow management skills Work within the parameters of Agile & Scrum methodologies Required Skills: Active TS/SCI... Administrator will work with a large team of developers, software engineers, and data engineers in order to design, develop...

Posted Date: 28 Jan 2026

Systems Engineer (LFI-ICIP-15-01)

Support the development, documentation, and execution of system policies Required Skills: Active TS/SCI with Polygraph... will work with a large team of developers, software engineers and data engineers. Primary Responsibilities List daily duties...

Posted Date: 28 Jan 2026

Site Reliability Engineer

, Nessus, Jira, or Confluence Knowledge of patching and hardening systems TS/SCI clearance with a polygraph HS diploma... for access to classified information; TS/SCI clearance with polygraph is required. Compensation At Booz Allen, we celebrate...

Location: Chantilly, VA
Posted Date: 30 Jan 2026
Salary: $62000 - 141000 per year

Principal Cyber Security Engineer

and enterprise system designs Clearance Requirements: Must possess an active TS/SCI with Polygraph Physical Requirements... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

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

Network Engineer (Intelligence Center)

and work experience. Active TS/SCI with CI Poly Experience integrating emerging cybersecurity capabilities, hardware... Intelligence Systems is looking for a Principal Network Engineer role that will be supporting multiple classified infrastructures...

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

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

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

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

Senior O&M Kubernetes Engineer

documentation Clearance Requirements: Must have a current/active TS/SCI with polygraph Physical Requirements: Must be able... Analytics and Software Development. Your journey to impactful work and rapid growth starts now-be extraordinary at MANTECH...

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

Infrastructure Engineer

-hours support approximately one week every three months. Qualifications: Active TS/SCI with Polygraph BS degree and 6-10...Overview: As an Infrastructure Engineer on this program, you will not only maintain environments for applications...

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

Lead Engineer

foundations Familiar with NIST SP 800-53, SSPs, and POA&Ms Clearance Requirements: Must have a current/active TS/SCI... Analytics and Software Development. Your journey to impactful work and rapid growth starts now-be extraordinary at MANTECH...

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

Infrastructure Engineer

. They are required to be on-call for after-hours support approximately one week every three months. Do you have what it takes? Active TS/SCI...Job Description: Overview As an Infrastructure Engineer on this program, you will not only maintain environments...

Company: VTG Defense
Location: Chantilly, VA
Posted Date: 28 Jan 2026

Cloud Systems Engineer - Infrastructure

systems. Qualifications: Active TS/SCI with Full Scope Polygraph clearance. BS degree and 8+ years of relevant experience...Description: Markon is seeking a Cloud/Infrastructure Engineer to provide technical support for an intelligence...

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

Operational Systems Engineer

: Chantilly, VA (on-site client environment) Clearance: TS/SCI with Polygraph Compensation: Competitive, Excellent Benefits... and best practices. The appropriate candidate should have experience with the following: Must maintain active/current TS/SCI...

Company: Armison Tech
Location: Chantilly, VA
Posted Date: 28 Jan 2026

Expert Systems Engineer - Policy Developer

readiness, coordination, and execution Qualifications: Active TS/SCI with Polygraph Bachelor’s degree with 12+ years...Description: Markon is seeking an Expert Systems Engineer / Policy Developer to support a technical development...

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