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Keywords: Systems Engineer (TS/SCI), Location: Herndon, VA

Page: 2

Senior AI/ML Engineer (TS/SCI)

: U.S. citizen with active TS/SCI clearance and polygraph; willing to work onsite 80% or as mission needs dictate. Bachelor... Solutions Engineer to support mission-driven users working on complex national security challenges. In this agile environment...

Location: Herndon, VA
Posted Date: 07 Oct 2025
Salary: $130000 - 200000 per year

Electrical Engineer - Multiple Positions - TS/SCI Clearance

MUST POSSESS an active TS/SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain a TS/SCI w/ poly level... must possess an active TS/SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain a TS/SCI w/ poly level...

Company: Leidos
Location: Reston, VA
Posted Date: 04 Oct 2025
Salary: $104650 - 189175 per year

Structural Engineer - Multiple Positions - TS/SCI Required

: Candidate must possess an active TS/SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain a TS/SCI...The Mission Solutions Business Area at Leidos has an opening for a Structural Engineer in Reston, Virginia. The primary...

Company: Leidos
Location: Reston, VA
Posted Date: 03 Oct 2025
Salary: $104650 - 189175 per year

Software Engineer/ IDAM - Active TS/SCI with CI POLY

's degree with 10+ years of experience. Active TS/SCI clearance and ability to obtain and maintain a CI poly. Must meet DoD...As a Software Development Engineer with a focus on Identity and Access Management (IDAM), you will leverage...

Location: Reston, VA
Posted Date: 27 Sep 2025

Simulation Engineer - TS/SCI Required

, and Experience: Candidate MUST possess an active TS/SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain... a TS/SCI w/ poly level clearance. US Citizenship is REQUIRED. BS degree and 8+ years of prior relevant experience or MS...

Company: Leidos
Location: Reston, VA
Posted Date: 25 Sep 2025
Salary: $104650 - 189175 per year

Software Engineer (TS/SCI)

) Experience with Agile methodologies (e.g., Scrum, Kanban) Knowledge of cloud platforms (e.g., AWS, Azure, GCP) Active TS/SCI... Security Clearance is required to start with the ability to obtain and maintain a TS/SCI with poly Preferred Qualifications...

Posted Date: 24 Sep 2025
Salary: $200000 per year

Principal/Senior Principal Database Engineer (TS/SCI Clearance)

MUST HAVE TS/SCI WITH ABILITY TO OBTAIN A CI POLY CLEARANCE For Principal Level: Bachelor's degree with 5+ years..., AWS, RDBMS technology, Elasticsearch, Linux DoD IAT Level II certification Active TS/SCI with ability to obtain a poly...

Company: SHLD, Inc.
Location: Herndon, VA
Posted Date: 08 Dec 2025

DevSecOps Engineer (TS/SCI)

management of release products. Minimum Requirements: Must have a current/active TS/SCI and be willing and able to pass... and application services leveraging Keycloak, Docker, Kubernetes, Helm, Rancher and other containerized systems Implement CD...

Location: Herndon, VA
Posted Date: 25 Oct 2025

Exchange Engineer - Active TS/SCI with CI Poly

support and engineer solutions for email and email retention systems to provide a road map for the Enterprise infrastructure...Our work depends on an Exchange Engineer joining our team to support Government activities in Washington, D.C...

Location: Sterling, VA
Posted Date: 21 Nov 2025

DevOps Engineer - Active TS/SCI clearance with Polygraph

Distributed Solutions, Inc. (DSI) is a fast-growing company seeking a DevOps Engineer to work closely with DSI..., and solution systems and structures. Establish systems by planning, executing, installing, configuring, and testing PCs, servers...

Posted Date: 08 Nov 2025

Virtualization Engineer - Active TS/SCI with CI POLY

's physical/virtual infrastructure for the future. Our work depends on a Virtualization Engineer joining our team to support... Government activities in Sterling, VA or Annapolis Junction, MD. As a Virtualization Engineer supporting the Government...

Location: Sterling, VA
Posted Date: 27 Sep 2025

Storage Engineer - Active TS/SCI with CI Poly

As a Storage Engineer supporting the Government, you will be trusted to work on Platform Engineering Services... on a Storage Engineer joining our team to support Government activities in Annapolis Junction, MD or Sterling, VA. As a Storage...

Location: Sterling, VA
Posted Date: 27 Sep 2025

Mid-level Full Stack Software Engineer (TS/SCI)

. About Us: We are a multi-faceted software development and systems administration team working to build and maintain software applications... members’ lives. Minimum Requirements: Must be a US citizen. Current Top Secret security clearance w/ SCI Eligibility...

Location: Herndon, VA
Posted Date: 22 Oct 2025
Salary: $113000 - 188000 per year

Splunk Engineer - Active TS/SCI Required

Security Manager (ESM), Network Security Manager (NSM), NetFlow, and/or Intrusion Detection Systems (IDS) to monitor, detect... performing systems administration, including performing installation, configuration, monitoring system performance...

Location: Reston, VA
Posted Date: 27 Sep 2025

Senior Data Engineering - TS/SCI Required

Overview LMI is seeking a Senior Data Engineer to support our Intelligence Community client. LMI is a new breed.... Responsibilities This data engineer will work as part of a team of experienced data scientists, data analysts, and full stack...

Posted Date: 15 Nov 2025

Senior Data Engineering - TS/SCI Required

Overview: LMI is seeking a Senior Data Engineer to support our Intelligence Community client. LMI is a new breed.... Responsibilities: This data engineer will work as part of a team of experienced data scientists, data analysts, and full stack...

Posted Date: 15 Nov 2025

Fidelis Administrator - Active TS/SCI with CI Poly

and network issues to ensure it remains fully operational Active TS/SCI clearance; willingness to take a polygraph exam HS... operations of enterprise computer systems. Develop new concepts and processes and analyze root causes and resolve complex issues...

Location: Reston, VA
Posted Date: 27 Sep 2025

Senior Software Developer - TS/SCI Clearance Required

The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software... analysis, test, simulation, and verification of software simulation or decision systems. A successful applicant will be able...

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

Systems Engineer Expert

an active TS/SCI with Polygraph clearance. Criterion Systems LLC is seeking a Systems Engineer to support our Government...Job Category: Information Technology Services Job Description: Systems Engineer - Expert This position requires...

Location: Herndon, VA
Posted Date: 11 Nov 2025

System Development Engineer II, DBS Relational ADC

on a massive scale. This position requires that the candidate selected must currently possess and maintain an active TS/SCI... of TS/SCI with Polygraph PREFERRED QUALIFICATIONS - Experience with PowerShell (preferred), Python, Ruby, or Java...

Company: Amazon
Location: Herndon, VA
Posted Date: 19 Dec 2025