IT - Security Jobs in Reston, VA

Job Category: TechnologyRequisition Number: INFOR002273Posting Details Posted: July 15, 2026 Full-Time Remote Job DetailsDescriptionZen Strategics, a Titan Technologi...

*****MUST HAVE AN ACTIVE TS/SCI WITH CI POLY CLEARANCE******Software Engineer IVWe are looking for a Software Engineer to join our diverse team at our Herndon, VA, office. The candidate will work with...

*****MUST HAVE AN ACTIVE TS/SCI WITH ABILITY TO OBTAIN TO PASS A POLY CLEARANCE******Software Engineer IVOur client's Space & Intelligence Sector is looking for a Software Engineer to join their d...

The selected candidate will integrate a variety of software components in a secure container architecture working with cross functional teams to debug critical issues. Candidate will also support the ...

Aima Data Management is looking for a Security Specialist Generalist to work in Reston, Virginia. To join our team of outstanding professionals, apply today! ResponsibilitiesServes as a Security Spec...

DescriptionPlease note: This role is contingent upon a contract award. While it is not an immediate opening, we are actively conducting interviews and extending offers in anticipation of the award. ...

Position SummaryWe are seeking a skilled and motivated Cybersecurity Engineer 3 to join our dynamic team and play a pivotal role in safeguarding digital assets and sensitive information. The ideal can...

Job DescriptionBase-2 Solutions is seeking a Cyber Analyst to support intelligence analysis related to cyber-relevant national security issues. This role contributes to all-source analytic production ...

Information Systems Security Engineer (ISSE) Work Location: Reston, VA; work may also be performed at locations in the Washington, DC National Capital Region (NCR) (i.e., The District of Columbia; Ar...

ISI Defense is seeking a Cyber Ops Engineer I to join our growing Cybersecurity team supporting customers across the Defense Industrial Base (DIB). As a trusted Managed Security Services Provider (MSS...

Senior Forescout Cyber Security Engineer Location: Reston, VA or Washington, DC Required Clearance: Active TS/SCI with Polygraph Eligibility Employment Type: Full-Time Regular Shift: Day Travel: No Re...

In accordance with Washington state law, we are highlighting our comprehensive benefits package, which is available to all eligible US based employees. Benefits for this role include:Health, dental, v...

Lead Cybersecurity Engineer This position requires an active TS/Sensitive Compartmental Information (SCI) clearance with the ability to obtain a Counterintelligence polygraph to be considered. C...

Immediate Need for Forescout Cyber Security Engineer Forescout Cyber Security Engineer Full-Time Washington, DC / Reston, VA / Norfolk, VA / Riverdale, MD TS/SCI with the ability to obtain a counteri...

Lead Information System Security Officer (ISSO) This position requires an active TS/Sensitive Compartmental Information (SCI) clearance with the ability to obtain a Counterintelligence polygraph ...

Cloud Security Engineer Location: Reston, VA Clearance: TS/SCI - CI As a security engineer on our team, you’ll evaluate and support the documentation, validation, assessment, and accreditation proce...

Linux and Ansible Automation Engineer Location: Reston, VA Clearance: TS/SCI - CI As a Linux and Ansible Automation Engineer on our project, you'll be on the ground floor of building something meani...

Enterprise Cloud Security Architect Location: Reston, VA Clearance: TS/SCI - CI Polygraph The Enterprise Cloud Security Architect will serve as a multi-cloud architecture SME across AWS, Azure, and ...

R-00186881Description Leidos is seeking an experienced Information Systems Security Engineer (ISSE) to lead the security architecture, design, and deployment of mission-critical applications across un...