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Keywords: Systems Engineer - TS/SCI with Polygraph, Location: Reston, VA

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Agentic Systems Engineer

Active TS/SCI with Polygraph PREFERRED QUALIFICATIONS Master’s or Ph.D. in AI/ML, Systems Engineering, or related...Responsibilities & Qualifications RESPONSIBILITIES The Agentic Systems Engineer will architect and operationalize...

Company: TekSynap
Location: Reston, VA
Posted Date: 02 Oct 2025

Space Systems Engineer- Mid

candidate possess a minimum of Top-Secret clearance with ability to upgrade to TS/SCI and pass a polygraph within 30 days...Responsibilities As a Space Systems Engineer- Mid you will support Agile scrum teams in planning, design, development...

Company: Peraton
Location: Herndon, VA
Posted Date: 25 Sep 2025
Salary: $112000 - 179000 per year

AI Integration and Architecture Systems Engineer

an active TS/SCI clearance and the ability to pass a CI Polygraph. Applicant MUST hold a permanent U.S. citizenship...Kavaliro is seeking an AI Integration and Architecture Systems Engineer to design, integrate, and oversee enterprise...

Company: Kavaliro
Location: Reston, VA
Posted Date: 20 Sep 2025

AI Integration and Architecture Systems Engineer

an active TS/SCI clearance and the ability to pass a CI Polygraph. Applicant MUST hold a permanent U.S. citizenship...Kavaliro is seeking an AI Integration and Architecture Systems Engineer to design, integrate, and oversee enterprise...

Company: Kavaliro
Location: Reston, VA
Posted Date: 20 Sep 2025

System Development Engineer II, Aperture

Systems Development Engineer to join our team in Virginia. In this role, you will design, implement, and manage scalable cloud... technologies. This position requires that the candidate selected must currently possess and maintain an active TS/SCI security...

Company: Amazon
Location: Herndon, VA
Posted Date: 12 Sep 2025

Systems Solution Engineer – ITSM / ServiceNow

Job Description Insight Xcite is seeking a Systems Solution Engineer to support a government client in designing... consulting and solution architecture experience to guide decision-making. Requirements Active TS/SCI with Full Scope...

Company: Insight Xcite
Location: Herndon, VA
Posted Date: 06 Sep 2025

Information Systems Security Engineer (ISSE)

Professional (ISSEP) and CISSP Certifications are required Active TS/SCI security clearance with the ability to obtain polygraph... looking for the next Information Systems Security Engineer (ISSE) to join our team of experts! As an ISSE on the Mantis Security...

Posted Date: 28 Aug 2025

Systems Engineer SME

other job-related duties as assigned Systems Engineer SME Experience, Education, Skills, Abilities requested: Active TS/SCI... As required by our governmental client, this position requires being a US Citizen AND an active TS/SCI with Polygraph clearance. We are seeking...

Company: Cherokee Federal
Location: Herndon, VA
Posted Date: 08 Aug 2025

Information Systems Security Engineer - SME

and technologies Qualifications: Required: Active TS/SCI with Polygraph (Preferrably from this client) Bachelor’s degree..., and Holidays Description: Markon is seeking an Information Systems Security Engineer – SME to support one of its Intelligence...

Company: Markon
Location: Herndon, VA
Posted Date: 06 Aug 2025

Systems Engineer Expert

As required by our governmental client, this position requires being a US Citizen AND an active TS/SCI with Polygraph clearance. The System Engineer..., Education, Skills, Abilities requested: Active TS/SCI with polygraph Bachelor's or Master's degree in Computer Science...

Company: Cherokee Federal
Location: Herndon, VA
Posted Date: 03 Aug 2025

Systems Engineer SME

other job-related duties as assigned Systems Engineer SME Experience, Education, Skills, Abilities requested: Active TS/SCI... As required by our governmental client, this position requires being a US Citizen AND an active TS/SCI with Polygraph clearance. We are seeking...

Company: Cherokee Federal
Location: Herndon, VA
Posted Date: 03 Aug 2025

Information System Security Officer, Classified Cybersecurity

LMCareers Business Unit SPACE Security Clearance TS/SCI w/Poly Shift First Direct/Indirect Direct... Experienced Professional Req Type Full-Time Job Description This position requires TS/SCI clearance with the ability...

Company: Lockheed Martin
Location: Herndon, VA
Posted Date: 06 Aug 2025
Salary: $84300 - 146165 per year

ADC Windows Client Engineer, Region Services Corporate Infrastructure (RSCI) - Vector

Clearance of TS/SCI with Polygraph Preferred Qualifications - 2+ years supporting Windows family of operating systems... selected must currently possess and maintain an active TS/SCI security clearance with polygraph. The position further requires...

Company: Amazon
Location: Herndon, VA
Posted Date: 23 Oct 2025

Software Engineer- Junior

machines, task queues (e.g., Celery), or workflow engines. TS with ability to obtain SCI and polygraph Preferred...Responsibilities Peraton’s Space & Intelligence Sector is looking for a Software Engineer to join our diverse team...

Company: Peraton
Location: Herndon, VA
Posted Date: 23 Oct 2025
Salary: $66000 - 106000 per year

Civil and Structural Engineer, Lead

buried targets Active TS/SCI clearance; willingness to take a polygraph exam Bachelor’s degree in Engineering, Physics... requirements for access to classified information; TS/SCI clearance is required. Compensation At Booz Allen, we celebrate...

Location: Reston, VA
Posted Date: 19 Oct 2025

Nuclear Engineer, Lead

science, artificial intelligence, and machine learning TS/SCI clearance with a polygraph Master's degree in Nuclear... of thermo-hydraulics, seismic or earthquake, physics, computational science, or fission reactor engineering Active TS/SCI...

Location: Reston, VA
Posted Date: 19 Oct 2025

Cyber Security Project Engineer

items and results of activities. Qualifications: Active TS/SCI with Polygraph required. Demonstrated work experience...Overview: VTG is seeking a talented and experienced Cyber Security Project Engineer to join our dynamic...

Company: VTG
Location: Herndon, VA
Posted Date: 19 Oct 2025

Senior Software Engineer - CTJ - Top Secret

security screenings: Candidates must have an active TS and be willing to upgrade to TS/SCI (with polygraph) or have an active... TS/SCI and be willing to upgrade to TS/SCI (with polygraph). This role will require candidates to maintain the TS/SCI...

Company: Microsoft
Location: Reston, VA
Posted Date: 19 Oct 2025

Cyber Security Project Engineer

items and results of activities. Do you have what it takes? Active TS/SCI with Polygraph required. Demonstrated work...Job Description: Overview VTG is seeking a talented and experienced Cyber Security Project Engineer...

Company: VTG Defense
Location: Herndon, VA
Posted Date: 18 Oct 2025

ADC Engineer I, Amazon Dedicated Cloud Engineering - Support Engineering

for technical IT issues - Current, active US Government Security Clearance of TS/SCI with Polygraph Preferred Qualifications.... This position requires that the candidate selected must currently possess and maintain an active TS/SCI security clearance...

Company: Amazon
Location: Herndon, VA
Posted Date: 18 Oct 2025