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Keywords: Software Engineer - TS/SCI w/Poly, Location: Chantilly, VA

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Principal Cyber Software Engineer (Mobile)

. Desired: Active Top Secret / SCI security clearance with a Full Scope (lifestyle) poly. Experience leading software..., and Holidays Description: Markon is hiring a Principal Cyber Software Engineer for our Virginia client out of Chantilly, VA. The...

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

Software Integration Engineer

Requirements Required Qualifications: Active TS SCI Clearance, CI Poly eligible; Must be a US Citizen Must be willing and able... certification within 60 days of start Desired Qualifications: Active TS SCI clearance with CI Poly Active CompTIA Sec...

Posted Date: 27 Jan 2026

Software Integration Engineer

Requirements/Qualifications: Active Top Secret clearance (with ability to obtain SCI/CI Poly). Bachelor’s degree or equivalent... certification, or ability to attain certification within 60 days of start Preferred Qualifications: Active TS SCI clearance...

Company: aqua IT
Location: Chantilly, VA
Posted Date: 14 Jan 2026

Software Engineer

, statistics, operations research, or related field. Current TS/SCI eligibility, with a current CI Poly. U.S. Citizenship...

Posted Date: 28 Jan 2026

Software Developer

. Preferred Qualifications: Active Top Secret / SCI security clearance with poly. TS/SCI with poly eligibility must be in place...Overview: As a Senior Software Engineer on the Mobile Development team, you will be responsible for the design...

Company: VTG
Location: Chantilly, VA
Posted Date: 18 Dec 2025

Software Developer

documentation. Preferred Qualifications: Active Top Secret / SCI security clearance with poly. TS/SCI with poly eligibility...Job Description: Overview As a Senior Software Engineer on the Mobile Development team, you will be responsible...

Company: VTG Defense
Location: Chantilly, VA
Posted Date: 18 Dec 2025

Network Design Engineer

to a modern service provider network architecture. 100% onsite in Chantilly, VA Active TS/SCI CI Poly Required The job duties... on Multiprotocol Label Switching (MPLS) Wide Area Networks (WANs). Requirements Requirements: TS/SCI CI Poly Candidate...

Location: Chantilly, VA
Posted Date: 31 Jan 2026

Implementation Engineer

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

Location: Chantilly, VA
Posted Date: 31 Jan 2026

Enterprise Monitoring Tool Engineer

% onsite in Chantilly, VA Requirements TS SCI CI Poly Candidate must have 16 years of experience that can be a combination...NewGen Technologies has an opening for an Enterprise Monitoring Tool Engineer to support the Intelligence Sector. 100...

Location: Chantilly, VA
Posted Date: 31 Jan 2026

Senior Network Tool Engineer

in Chantilly, VA Requirements TS SCI CI Poly Candidate must have 16 years of experience that can be a combination of work...NewGen Technologies has an opening for a Senior Network Tool Engineer to support the Intelligence Sector. 100% onsite...

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: 28 Jan 2026

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 Cyber Security Engineer

compliance TS/SCI clearance adjudication or ability to obtain SCI and pass a poly. Desired: Experience engineering Cyber... Security Engineer in lieu of degree. 18 years of working experience in government or industry leading enterprise-level cyber...

Posted Date: 28 Jan 2026

Mid Level Systems Engineer

, and performance Travel: CONUS and OCONUS travel may be required. Security Requirements: Active TS-SCI/w Poly security clearance...Title: Mid Level Systems Engineer KBR is seeking a Systems Engineer to support our customer in Chantilly, VA. The...

Company: KBR
Location: Chantilly, VA
Posted Date: 24 Jan 2026

Cyber Engineer

and DevSecOps principles. Debugging and reverse engineering tools. Active TS/SCI and an ability to obtain a Poly. Sec...Job Title: Cyber Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS...

Location: Chantilly, VA
Posted Date: 22 Jan 2026
Salary: $58000 - 115900 per year

Senior Cyber Engineer

Senior Cyber Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI... application knowledge, to include ability to automate RMF. Active TS/SCI and an ability to obtain a Poly. Sec+ and/or CISSP...

Location: Chantilly, VA
Posted Date: 21 Jan 2026

Systems Engineer

System (PPBES) * TS/SCI clearance adjudication or ability to obtain SCI and pass a poly. Desired Qualifications...Responsibilities We’re seeking a Mid-Level Systems Engineer to support mission-critical GEOINT capabilities...

Posted Date: 21 Jan 2026
Salary: $80000 - 128000 per year

Systems Engineer

. -OR- 6 years' of equivalent mid-level Systems Engineering experience may be considered in lieu of a degree. * TS/SCI... clearance adjudication or ability to obtain SCI and pass a poly. Minimum of 6 years' of Mid-level Systems Engineering...

Posted Date: 17 Jan 2026
Salary: $104000 - 166000 per year

Requirements Engineer

and undergo the TS/SCI with CI Poly clearance process A Bachelor’s degree Information Technology, Engineering, or related field...Overall Assignment Description: Requirements Engineer is responsible for identifying, analyzing, documenting...

Posted Date: 15 Jan 2026
Salary: $130000 - 135000 per year

Elasticsearch Engineer

Experience as a software developer, integrator, administrator, or similar technical role Active TS/SCI with CI Poly eligibility... and a willingness to learn and grow within the field. Desired: Elastic Certified Engineer Experience with container orchestration...

Posted Date: 15 Jan 2026