IT - Security Jobs in Herndon, VA

MANTECH seeks a motivated, career and customer-oriented Cyber Security Analyst to join our team onsite in Herndon, VA or Reston, VA in support of a high-priority mission at one of our National Intelli...

LTS is seeking a Cybersecurity Engineer who will be responsible the comprehensive design, development, implementation, and integration of architectures, systems, or system components within Military O...

As the Sr. Information Systems Security Engineer II (ISSE), you'll play a pivotal role in safeguarding our organization's digital assets and sensitive information. The ideal candidate is a dedicated p...

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

CNO Developer--designs, develops, and tests offensive cyber tools, techniques, and integrated effects for computer network operations (CNO), a critical aspect of national security. These roles require...

Job Number: R0229312Information Systems Security EngineerThe Opportunity: Are you looking for an opportunity to share your experience in network security, network scanning, and cloud security architec...

Serve as a VDI Subject Matter Expert Virtual Desktop Infrastructure (VDI): Develop and optimize the existing SolarWinds VDI dashboard for real-time performance Manage VDI images, ensuring secure Gol...

Mauck Research Group is a small cyber research and development company exploring emerging offensive and defensive cyber problems for our clients. DescriptionJob Title: Windows Cyber Tool Developer (TS...

The application window is expected to close on: 1/16/2026Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.The successful applicant w...

OverviewSilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (...

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...

ManTech seeks a motivated, career and customer-oriented Cyber Network Defense Analyst in Herndon, VA.As a CND Analyst on our team, you will use your expertise in specialized network defense to provide...