IT - Security Jobs in Herndon, VA

ClearanceJobs is actively seeking a Senior .NET Software Engineer for our client located in Herndon, VA. ClearanceJobs is the largest career network for professionals with federal government security ...

Intelligence Analyst (Counter Terrorism) - MidBethesda, MDApplyAssertive Professionals is in search of an Intelligence Analyst to support or National Security Customer in Bethesda, MD. This is an open...

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

Trusted Connectivity for AI-Powered Dominance. Everfox delivers trusted connectivity to protect the world's most critical environments and safeguard the sensitive data powering decision advantage. Bui...

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...

Job Number 14386 Standard Job Description Design, develop, document, test, and maintain full lifecycle software solutions. Complete a range of application development tasks, including application a...

Location: Fort Meade, MD or Herndon/Arlington, VA Role Title: CNO Developer Clearance: TS/SCI w/ Polygraph Overview Seeking a highly experienced developer to support advanced Computer Network Operati...

About Agile DefenseAt Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spiri...

Who we are: ShorePoint is a fast-growing, industry-recognized and award-winning cybersecurity services firm focused on high-profile, high-threat public and private sector customers who demand experien...

ResponsibilitiesMonitor systems for abnormal activityAnalyze alerts, distinguish threats from false positives, categorize incidents by riskLead incident response: containment, eradication, recovery, p...

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...

Job Number 13255 Standard Job Description Provide bug fixes, enhancements, and Graphical User Interface (GUI) improvements to applications to meet operational requirements.Develop and modify applicat...

Swift is a privately held, mission-driven and employee-focused services and solutions company headquartered in Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science...

DescriptionSr. Agent Security / AI Red-Team Engineer - Federal and DoD ProgramsAbout the Role PGTEK is seeking a Sr. Agent Security / AI Red-Team Engineer to support our L400 Advanced Development capa...

Amazon Web Services (AWS) is seeking a Solutions Architect to join our National Security team supporting National Security Space and Sensor customers. As a Solutions Architect on the AWS National Secu...

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...

R-00191478Description Leidos is seeking highly qualified professionals to support the TSA TOMCAT Program.We are especially interested in connecting with current incumbent personnel supporting this mis...

As a Sr. Cybersecurity Engineer II, you'll design and develop technical architecture components enabling application teams to integrate with zero trust authentication and authorization services. You w...

The application window is expected to close on: 10/08/2026The successful applicant will be performing work on US Government classified environments, and therefore, must be a U.S. Person (i.e., U.S. ci...

Cyber Security Project EngineerHERNDON, VAPL-CSPE-HRN-001ISSE: Candidate shall provide expert-level security support/guidance to engineering and technical IT related activities within the organization...