IT - Security Jobs

Date Posted:2026-09-28Country:United States of America Location:US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Require...

Attention Cyber Warriors: Your Next Mission Awaits!Are you a battle-hardened Linux engineer looking for your next challenge? Ready to continue defending our nation's digital frontlines in the civilian...

Job Number 8931 Standard Job Description What We're Doing: Are you passionate about cybersecurity, automation, and risk governance? Lockheed Martin recognizes the challenges we face today and the nee...

Job Number 14503 Standard Job Description Ensure compliance to governing documents and security policies and assist in regulatory periodic assessments. Implements and tests state-of-the-art secure op...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

Job Number 18370 Standard Job Description The Work:This Information System Security Officer (ISSO) position will support the Information System Security Manager (ISSM) in developing, maintaining and ...

Job Number 17703 Standard Job Description As an F-35 Classified Cybersecurity Security team member you will be supporting Special Access Programs (SAPs) and ensure classified Information Systems (IS)...

MANTECH seeks a motivated, career and customer-oriented Information System Security Officer to join our team in San Diego, CA. This is an onsite position.Responsibilities include but are not limited t...

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...

SMX is seeking a Cybersecurity SME Senior to support our INSCOM Cyber client at Ft. Meade, MD. The successful candidate will have experience working as an ISSO on large Department of Defense contracts...

MANTECH seeks a motivated, career and customer-oriented Cybersecurity Operations Specialist to join our team in McLean, VA. In this role you will serve as the primary technical expert and operational ...

Position Summary: RSA is seeking an experienced Senior Consultant to join the Professional Services team supporting Federal and Enterprise customers. This individual will serve as a trusted technical...

MANTECH seeks a motivated, career and customer-oriented Cyber Threat Intel Analyst to join our team in Doral, FL.Responsibilities include but are not limited to:Collecting, analyzing, and synthesizing...

Job Number 18163 Standard Job Description This position requires Final Secret clearance with ability to obtain Top Secret clearance. What You Will Be Doing As an ISSO, you will be responsible for ove...

MANTECH seeks a motivated, career and customer-oriented Cybersecurity Analyst to join our team in Doral, FL.Responsibilities include but are not limited to:Monitoring enterprise networks, security inf...

MANTECH seeks a motivated, career and customer-oriented Coordinating Activity Watch Stander to join our team in Doral, FL.Responsibilities include but are not limited to:Monitoring enterprise operatio...

MANTECH seeks a motivated, career and customer-oriented Coordinating Activity Watch Officer to join our team in Doral, FL.Responsibilities include but are not limited to:Monitoring enterprise operatio...

Description SAIC is seeking a candidate to fill a Cyber Defense Analyst position on a joint Contractor-Government Cyber Protection Team with our customer at Ft. Meade, MD. Job Duties: Configuration,...