IT - Security Jobs in Herndon, VA

We are looking for an experienced penetration tester to conduct penetration testing and ethical hacking, to target, assess, and exploit risk and vulnerabilities of information systems. This position i...

*****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...

Job Number: R0244563Information Systems Security Manager The Opportunity: Design, implement, and manage policies and procedures to ensure database and sof tware security. Apply advanced consult ing sk...

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, ch...

R-00186882Description The Digital Modernization Sector at Leidos currently has an opening for a Zero Trust Cyber Security Engineer. This is a fantastic opportunity to work remotely, as well as use you...

The application window is expected to close on: 08/28/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received . The successful applic...

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the bou...

Job Number 720406BR Description:The coolest jobs on this planet... or any other... are with Lockheed Martin Space.At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovato...

Job Number: R0244139Cyber Project IntegratorThe Opportunity: When our country's cybersecurity is on the line, simply reacting is not enough, we need a plan. To create and implement that plan, we need ...

Intelligent. Dynamic. Resilient. Everfox, formerly Forcepoint Federal, has been defending the world's most critical data and networks against the most complex cyber threats imaginable for more than 25...

Job Number: R0243795Cyber Systems Security Architect The Opportunity: Everyone is trying to "harness the cloud", but not everyone knows how. As a cloud computing application architect, you know how to...

DescriptionAmazon Web Services is seeking a Solutions Architect to support our US Government customers in the DC Metro area. Do you like helping U.S. Intelligence Community agencies implement innovati...

MANTECH seeks a motivated, career and customer-oriented CNO Vulnerability Researcher to join our team . This position can be worked in Hanover, MD, Herndon, VA or San Antonio, TX. In this role, you wi...

Intelligent. Dynamic. Resilient. Everfox, formerly Forcepoint Federal, has been defending the world's most critical data and networks against the most complex cyber threats imaginable for more than 25...

Job Number: R0243752Vulnerability Scanner The Opportunity: As a cyber professional, you know that understanding adversary tactics, techniques, and procedures is vital to producing the intel that enabl...

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the bou...

Job Title: SOC Analyst Tier 3 Location: Herndon, VA / Onsite Clearance Level and/or eligibility: Active Secret Clearance Required Blu Omega is seeking a SOC Analyst Tier 3 to support a federal cybers...

Job Number 733855BR Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

Job Number 733858BR Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...