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Keywords: Software Engineer - TS/SCI Required, Location: McLean, VA

Page: 3

Sr Software Engineer Analytics (US Federal)

citizens (naturalized or native). About You This role may require a security clearance at the TS/SCI w/CI Poly level.... Applicants must have the ability to obtain and maintain a U.S. government issued security clearance. An active TS/SCI w/CI Poly...

Company: Workday
Location: McLean, VA
Posted Date: 11 Jan 2026

Software Application Engineer (US Federal)

a security clearance at the TS/SCI w/CI Poly level. Applicants must have the ability to obtain and maintain a U.S. government... issued security clearance. An active TS/SCI w/CI Poly is preferred. Basic Qualifications: ​5+ years experience with UML...

Company: Workday
Location: McLean, VA
Posted Date: 11 Jan 2026

Software Developer

development. Requirements Mandatory Requirements: Candidate must have an active TS/SCI with a Polygraph Bachelor..., integrating and deploying the solutions. The Developer Engineer will develop interfaces and Application Programming Interface...

Company: Cognitio
Location: McLean, VA
Posted Date: 23 Jan 2026

Enterprise Systems Engineer SME

and continuous improvement. Basic Qualifications: Active TS/SCI security clearance with polygraph. BS degree and 12 – 15 years...Description Leidos has a new and exciting opportunity for an Enterprise Architect/Systems Engineer in our Intel...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 04 Mar 2026
Salary: $131300 - 237350 per year

Cyber Security Engineer

An active TS/SCI clearance with ability to obtain a Poly At least one DoD 8570.01-M IAT Level II or higher certification e.g... Security Engineer, to assist with the release of a state-of-the-art technology stack under the DOMEX Technology Platform (DTP...

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

IT Security Engineer

An active TS/SCI clearance with ability to obtain a Poly At least one DoD 8570.01-M IAT Level II or higher certification e.g... Security Engineer, to assist with the release of a state-of-the-art technology stack under the DOMEX Technology Platform (DTP...

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

Principal Edge Platform Engineer

environments. Clearance: TS/SCI required Demonstrated experience automating hardware provisioning and system deployment (PXE/iPXE... while we take care of the heavy lifting. The Principal Edge Platform Engineer is responsible for developing, hardening, and sustaining...

Company: BigBear.ai
Location: McLean, VA
Posted Date: 02 Mar 2026

Cloud Operations Engineer

and Security Engineer, specifically with Azure. Additional experience with GCP and AWS is preferred. Clearance: TS/SCI... of the heavy lifting. We are seeking a highly skilled and experienced Cloud Operations Engineer. This critical role involves...

Company: BigBear.ai
Location: McLean, VA
Posted Date: 02 Mar 2026

Senior Full Stack Engineer (Intelligence Center)

TS//SCI with a Full Scope Polygraph. The selected candidate will serve as a technical subject matter expert responsible... field. Active TS/SCI clearance with a Full Scope Polygraph (required at time of hire). U.S. Citizenship...

Company: Mitre
Location: McLean, VA
Posted Date: 25 Feb 2026

Network and Systems Engineer

and refinement with clients Ability to reconcile client needs with delivery timelines TS/SCI clearance with a polygraph Bachelor... eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required. Compensation...

Location: McLean, VA
Posted Date: 25 Feb 2026
Salary: $86800 - 198000 per year

Lead Full Stack Engineer (Intelligence Center)

. Active TS/SCI clearance with a Full Scope Polygraph (required at time of hire). U.S. Citizenship required. Demonstrated..., and mission-aligned solutions. Roles & Responsibilities: MITRE is seeking a Lead Full Stack Engineer to support high-priority...

Company: Mitre
Location: McLean, VA
Posted Date: 24 Feb 2026

Foundry Engineer / Forward Deployed Engineer

an active Secret clearance (TS/SCI preferred) Education: Bachelor’s degree in Computer Science, Engineering, Information... enterprise architectures and mission systems Experience in agile / SAFe delivery environments Active TS/SCI clearance...

Company: BigBear.ai
Location: McLean, VA
Posted Date: 21 Feb 2026

Systems Engineer/DevOps Database Administrator SQL/Oracle

Job Family: Database Administration Travel Required: Up to 10% Clearance Required: Active Top Secret (TS...) Overview: We are seeking a highly skilled Systems Engineer – SQL/Oracle Database to support database operations...

Location: McLean, VA
Posted Date: 15 Feb 2026

Network and Systems Engineer

client needs with delivery timelines TS/SCI clearance with a polygraph Bachelor’s degree Nice If You Have: Experience... to classified information; TS/SCI clearance with polygraph is required. Compensation At Booz Allen, we celebrate...

Location: McLean, VA
Posted Date: 13 Feb 2026
Salary: $86800 - 198000 per year

Senior Cybersecurity Engineer

(naturalized or native). About You This role may require a security clearance at the TS/SCI w/CI Poly level. Applicants... must have the ability to obtain and maintain a U.S. government issued security clearance. An active TS/SCI w/CI Poly is preferred...

Company: Workday
Location: McLean, VA
Posted Date: 11 Feb 2026

Lead Network Engineer

education and work experience. Active a DoD TS/SCI with CI Poly Per the U.S. Government’s eligibility requirements...-time Lead Network Engineer to support the deployment, operation, and maintenance of IT systems in Classified lab...

Company: Mitre
Location: McLean, VA
Posted Date: 07 Feb 2026

DevOps Engineer, Senior

infrastructure as code, including CloudFormation, Terraform, Ansible, or Kubernetes TS/SCI clearance with a polygraph Bachelor... for access to classified information; TS/SCI clearance with polygraph is required. Compensation At Booz Allen, we celebrate...

Location: McLean, VA
Posted Date: 07 Feb 2026
Salary: $77600 - 176000 per year

Mechanical Engineer

a TS/SCI clearance with a polygraph HS diploma or GED Nice If You Have: Experience with MAXIMO Experience with new...Mechanical Engineer The Opportunity: Provide engineering review, coordination, and oversight for operations...

Location: McLean, VA
Posted Date: 31 Jan 2026
Salary: $86800 - 198000 per year

Cloud Engineer

/current TS/SCI with polygraph clearance. Experience translating customer and system requirements into software design..., VA (on-site client environment) Clearance: TS/SCI with polygraph Compensation: Competitive, Excellent Benefits Only applicants...

Company: Armison Tech
Location: McLean, VA
Posted Date: 25 Jan 2026

Cyber Engineer

An active/current TS/SCI with Polygraph clearance is required to be considered for this position. Physical Requirements... with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development...

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