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Keywords: Software Engineer - TS/SCI with Polygraph, Location: Chantilly, VA

Page: 8

UI/UX Engineer

Required Qualifications Active TS/SCI with Polygraph Requires BS degree and12+ years of prior relevant. Additional experience in lieu...Leidos has immediate opportunities for a UI/UX Engineer to join a team building innovative software supporting the...

Company: Leidos
Location: Chantilly, VA
Posted Date: 01 Feb 2026

Modeling And Simulation Engineer - Mid

Working Hours: Standard Qualifications: Required: Active TS/SCI with Polygraph required. Bachelor's degree (Master...Title: Modeling And Simulation Engineer - Mid Belong. Connect. Grow. with KBR! KBR’s National Security Solutions...

Company: KBR
Location: Chantilly, VA
Posted Date: 01 Feb 2026

Network Design Engineer

(WANs). Basic Requirements Required Clearance to be considered: TS/SCI with Polygraph Candidate must have 10 years...The Digital Modernization Sector at Leidos has an opening for a Network Engineer (Campus Area Network/Local Area...

Company: Leidos
Location: Chantilly, VA
Posted Date: 01 Feb 2026
Salary: $92300 - 166850 per year

Network Design Engineer

(WANs). Basic Requirements Required Clearance to be considered: TS/SCI with Polygraph Candidate must have 10 years...The Digital Modernization Sector at Leidos has an opening for a Network Engineer (Campus Area Network/Local Area...

Company: Leidos
Location: Chantilly, VA
Posted Date: 01 Feb 2026
Salary: $92300 - 166850 per year

Senior Platform Engineer

: Required Qualifications Active TS/SCI with Polygraph Bachelor’s degree with 6–10 years of relevant experience Demonstrated experience...Description: Markon is seeking a Platform Engineer to support a technical development program for an Intelligence...

Company: Markon
Location: Chantilly, VA
Posted Date: 31 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

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

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

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

Data Engineer

. Clearance Requirements: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

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

Design Engineer (ND III) (Government)

/SCI with polygraph. (#ts/sci) (#polygraph) Required Qualifications: Candidate must have 16 years of experience that can... Engineer (Campus Area Network/Local Area Network (CAN/LAN)): To support our government customer’s global enterprise networks...

Company: AT&T
Location: Chantilly, VA
Posted Date: 24 Jan 2026
Salary: $98100 - 203000 per year

Design Engineer (ND III) (Government)

/SCI with polygraph. (#ts/sci) (#polygraph) Required Qualifications: Candidate must have 16 years of experience that can... Engineer (Campus Area Network/Local Area Network (CAN/LAN)): To support our government customer’s global enterprise networks...

Company: AT&T
Location: Chantilly, VA
Posted Date: 23 Jan 2026
Salary: $98100 - 203000 per year

Data Engineer

solutions to a variety of complex engineering problems. Clearance Requirements: Must have a current/active TS/SCI... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

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

Senior Data Engineer

: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain in a stationary position 50% Needs... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

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

Senior Network Engineer

Engineering, or other IT-related discipline. Clearance Requirements: Must have a current/active TS/SCI w/Polygraph... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

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

IT Systems Engineer

: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain in a stationary position 50% Needs... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

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

Cloud Engineer

Requirements: Must have a current/active TS/SCI w/Polygraph. Physical Requirements: Must be able to remain in a stationary... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

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

Senior Network Deployment Engineer

and prioritize effectively. Clearance Requirements: Must have a current/active TS/SCI and be willing and able to obtain... a motivated, career and customer-oriented Senior Network Deployment Engineer to join our team in Chantilly, VA. This is an onsite...

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

Infrastructure Cloud Engineer, Senior

with Kubernetes TS/SCI clearance with a polygraph Bachelor’s degree Ability to obtain a Security+ CE, SSCP, CCNA-Security... requirements for access to classified information; TS/SCI clearance with polygraph is required. Compensation At Booz Allen...

Location: Chantilly, VA
Posted Date: 22 Jan 2026
Salary: $86800 - 198000 per year

DevOps Engineer, Senior

within a collaborative team environment TS/SCI clearance with a polygraph HS diploma or GED and 8+ years of experience with DevOps... requirements for access to classified information; TS/SCI clearance with polygraph is required. Compensation At Booz Allen...

Location: Chantilly, VA
Posted Date: 22 Jan 2026