IT - Security Jobs

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...

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...

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...

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...

Strategic Analysis, Inc. is seeking a candidate to provide Information Systems Security Management and technical advisory support. The successful candidate will support the Defense Advanced Research P...

STR is hiring a Cyber Emulation Engineer Co-Op who will work as part of project teams with mentorship from experienced staff starting July 1st, 2026. Co-Ops will also collaborate with technical expert...

Job Description **** U.S. Citizenship and Active Secret Clearance are REQUIRED for this position****Kratos Defense and Rocket Support Services is seeking a Senior Systems Engineer to support network e...

Title: Information System Security Officer Location: Alexandria, VA US Citizenship: Required Clearance: TS/SCI, with the ability to obtain and maintain a CI polygraph Responsibilities: Assist...

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our ...

Position Description & Qualifications Apply your broad and versatile securitytalents in a challenging, collaborative, and dynamic environment as a Staff Security Engineer! Join our team and new contr...

Description SciTec is a dynamic small business, with the mission to deliver advanced sensor data processing technologies and scientific instrumentation capabilities in support of National Security and...

Description SciTec is a dynamic small business, with the mission to deliver advanced sensor data processing technologies and scientific instrumentation capabilities in support of National Security and...

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're com...

MANTECH seeks a motivated, career and customer-oriented Senior Information System Security Officer (ISSO) to join our team in Huntsville, Alabama. Responsibilities include, but are not limited to: E...

DescriptionPingWind is seeking a Cyber Incident Response Tier III Analyst to support our VA customer at Hines, IL Martinsburg, WV, or Austin, TX.Location: On-site in Hines, IL Martinsburg, WV, or Aust...

What you will be doing! As an Information System Security Officer, you will support a program, organization, system, or enclave's information assurance program. You will support proposing, coordinati...

Description SAIC is seeking an Economic Security Analyst to support our team of qualified, diverse, and highly motivated individuals supporting the Office of the Under Secretary of War for Research ...

Description SAIC is seeking an experienced Information System Security Officer (ISSO) for a new and exciting Air Force program out of San Antonio, TX. All qualified candidates must possess a Top Se...

Job Title: Sr. DevSecOps Engineer II Location: Onsite – Tysons, VA Clearance: Active TS/SCI with CI Polygraph Duration: 5 Years (Contract) About the Role TEKsystems, as a subcontractor for a leading ...

LOTECH, Inc. seeks a COMSEC Custodian /Special Device Inventory Manager (OCONUS) to join our team in support of projected new work with our military client. This position requires an active Secret g...