Security Clearance Jobs in Herndon, VA

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...

Cybercore is looking for a Tier 1 System AdministratorCore Responsibilities:Respond to user inquiries via phone, email, chat, or ticketing systemsLog and track support requests using help desk ticketi...

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...

R-00196070Description Leidos is hiring for Global Nurse Advice Line – Next Generation (GNAL-NG), a Defense Health Agency (DHA) service providing reliable, timely, professional, and courteous reg...

R-00196080Description Leidos is hiring for Global Nurse Advice Line – Next Generation (GNAL-NG), a Defense Health Agency (DHA) service providing reliable, timely, professional, and courteous reg...

R-00196076Description Leidos is hiring for Global Nurse Advice Line – Next Generation (GNAL-NG), a Defense Health Agency (DHA) service providing reliable, timely, professional, and courteous reg...

R-00196482Description ** This position is contingent upon contract award.** Leidos seeks an experienced, hands-on Integration Engineer for the Department of Veterans Affairs (VA) Summit Advanced Tooli...

R-00196480Description ** This position is contingent upon contract award.** Leidos is seeking a Data Engineer to support the Department of Veterans Affairs (VA) Summit Advanced Tooling, Lakehouse, and...

R-00196488Description **This position is contingent upon contract award.**Leidos seeks an IT Solutions Architect for the Department of Veterans Affairs (VA) Summit Advanced Tooling, Lakehouse, and Art...

R-00196492Description **This position is contingent upon contract award.**Leidos is seeking a Senior Data Engineer to support the Department of Veterans Affairs (VA) Summit Advanced Tooling, Lakehouse...

R-00196470Description **This position is contingent upon contract award.**Leidos is seeking an experienced Deputy Program Manager (DPM) for the Department of Veterans Affairs (VA) Summit Advanced Tool...

R-00195319Description The SMIT (Systems Modernization and Information Technology) contract at Leidos currently has an opening for an AI/Automation Development Intern - Assessment & Authorizat...

R-00193829Description At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contr...

R-00190846Description The System Architect - SME (Storage) provides senior technical leadership for enterprise infrastructure architecture and modernization in support of the SEC ISS contract. This ro...

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...

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...

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...

The application window is expected to close on: 11/08/2026This role can be performed remotely from any US location Meet the Team Join our U.S. Public Sector sales team driving digital modernization, ...

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

Splunk Detection Engineer Hybrid Herndon, VA Blu Omega is seeking a Splunk Detection Engineer to support federal transportation cybersecurity. This role is responsible for developing and maintaining a...