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Keywords: Software Engineer - TS/SCI Required, Location: Cabin John, MD

Page: 1

Graphics Processing Unit (GPU) Engineer

Security, CISA, CISSP, GCED, GCIH, CCSP). Clearance Active TS/SCI clearance with Polygraph required OR active TS/SCI... is looking for a highly skilled Systems Engineer with deep expertise in operating systems, hardware, GPU, and high-speed networking...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 14 Feb 2026
Salary: $131300 - 237350 per year

Software Engineer - TS/SCI Required

Description The Analysis Solutions Business Area at Leidos has an opening for a Software Engineer to support... client. Required Clearance: Active TS/SCI with Polygraph security clearance. US Citizenship Required. Required Education...

Company: Leidos
Location: Cabin John, MD
Posted Date: 03 Mar 2026
Salary: $107900 - 195050 per year

Software Engineer - TS/SCI Required

Description The Analysis Solutions Business Area at Leidos has an opening for a Software Engineer to support... client. Required Clearance: Active TS/SCI with Polygraph security clearance. US Citizenship Required. Required Education...

Company: Leidos
Location: West Mclean, VA
Posted Date: 03 Mar 2026
Salary: $107900 - 195050 per year

Software Engineer - TS/SCI Required

Description The Analysis Solutions Business Area at Leidos has an opening for a Software Engineer to support... client. Required Clearance: Active TS/SCI with Polygraph security clearance. US Citizenship Required. Required Education...

Company: Leidos
Location: McLean, VA
Posted Date: 03 Mar 2026
Salary: $107900 - 195050 per year

Front End Software Developer - TS/SCI with Polygraph

Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering..., and manipulation for system capability analysis. Security Clearance Level: TS/SCI with Polygraph Location: McLean VA, on Customer...

Company: General Dynamics
Location: McLean, VA
Posted Date: 04 Mar 2026
Salary: $138063 - 186791 per year

Software Developer - TS/SCI with Polygraph Required

applications. · Experience with cloud infrastructure (AWS, Azure, or GCP). · Ability to obtain TS/SCI clearance · Knowledge...Overview LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC region to join one of our M...

Posted Date: 04 Mar 2026

Software Developer - TS/SCI with Polygraph Required

applications. · Experience with cloud infrastructure (AWS, Azure, or GCP). · Ability to obtain TS/SCI clearance · Knowledge...Overview: LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC region to join one of our M...

Posted Date: 04 Mar 2026

Linux Engineer - TS/SCI w/ FS Poly required

Systems and Linux Engineering experience  Active TS/SCI w/ FS Poly Requirements REQUIRED KNOWLEDGE/SKILLS  Install...JOB DESCRIPTION The Infrastructure Linux Team Engineer will be responsible for the implementation, support...

Location: McLean, VA
Posted Date: 04 Mar 2026

DevOps Engineer - TS/SCI Cleared

Description Leidos has an exciting opening for you, our next TS/SCI cleared DevOps Software Engineer working... with Master’s degree. Must have an active Top Secret/ SCI security clearance with the ability to obtain and maintain a TS/SCI...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 03 Mar 2026
Salary: $107900 - 195050 per year

PKI Engineer - Active TS/SCI with CI Poly

As an IAM engineer, you’ll play a critical role in the world of IAM and Zero Trust. In this role, you’ll support large... policies and certificate contents Knowledge of Linux systems and asymmetric cryptography concepts and applications Active TS...

Location: McLean, VA
Posted Date: 13 Feb 2026

Machine Learning Engineer - TS/SCI w/Poly

*Machine Learning Engineer - TS/SCI w/ FS Poly required* Location is McLean/Org is NEMC The Sponsor requires...’s diverse data holdings and to leverage novel AI/ML solutions to support the Sponsor’s operational requirements. The ML Engineer...

Location: McLean, VA
Posted Date: 13 Feb 2026

Backend Developer (Data Engineer) with Python/NiFi - TS/SCI w/ Poly required

*Active TS/SCI w/ FSP required at time of application We’re looking for a Software Engineer who is passionate... environments. As part of our Agile team, you’ll design and develop software products and services that efficiently ingest, process...

Location: McLean, VA
Posted Date: 13 Feb 2026

Network Engineer - TS/SCI w/ Poly

’s or Technology degree in Engineering or a related specialized area/field, OR equivalent 19 years job-related experience TS/SCI...Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level...

Company: General Dynamics
Location: McLean, VA
Posted Date: 01 Feb 2026

Data Engineer (Python, JavaScript, Pentaho) - TS/SCI Poly

We’re looking for a Data/Software Engineer who is passionate about building modern, scalable solutions for ingesting.... Demonstrated experience with Snowflake 3. Demonstrated experience with Databricks Requirements Active TS/SCI w/ FS Poly...

Location: McLean, VA
Posted Date: 19 Dec 2025

Radiant Logic Engineer - TS/SCI with CI POLY

As a Systems Engineer supporting the Government, you will be trusted with supporting an enterprise - wide Identity... Secret/SCI Clearance with the ability to obtain a counter-intelligence polygraph 10+ years experience in relevant field...

Location: McLean, VA
Posted Date: 03 Mar 2026

AWS Systems Engineer - TS/SCI with Polygraph

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level... Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure...

Company: General Dynamics
Location: McLean, VA
Posted Date: 28 Feb 2026

Senior Mechanical Engineer - active TS/SCI clearance with Polygraph

. The Senior Mechanical Engineer will provide design and implementation of various engineering projects for a key program... customer. Ensure timely input of all data, comments, and documentation into MAXIMO software project management tool...

Company: V2X
Location: McLean, VA
Posted Date: 08 Jan 2026

Cloud Solutions Engineer (TS/SCI w/ FS Poly required)

Introduction The Sponsor requires support in operating and maintaining an AWS hosted software application... following required skills, certifications, and demonstrated experience: Demonstrated experience in software design...

Location: McLean, VA
Posted Date: 13 Feb 2026

TS/CSI w/Poly Cybersecurity Project Engineer (A&A/ATO/ISSO)

Position is with the VA McLean Customer and requires an active TS/SCI with Full Scope Poly clearance. Introduction... for continuous improvement of equipment and software in support of Sponsor’s goals and objectives. The Contractor shall work with the...

Location: McLean, VA
Posted Date: 13 Feb 2026

Booz Allen - Software Development Engineer (GoLang)

Ability to obtain a TS/SCI clearance Bachelor's degree and 3+ years of experience in software engineering, or 5+ years...Role Overview We're looking for a Software Development Engineer (Golang) to join our chief technology office...

Company: Relig Staffing
Location: McLean, VA
Posted Date: 04 Mar 2026