Security Clearance Jobs in Herndon, VA

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 712505BR Description:WHO WE ARELockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future ...

Job Number 711407BR Description: What is it like to work in contracts at Lockheed Martin? Space is a critical domain, connecting our technologies, our security and our humanity. While others view sp...

Position DescriptionSerco has a great opportunity for you to take a role as part of the Federal Emergency Management Agency (FEMA) Public Assistance (PA) disaster recovery initiatives in multiple disc...

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...

Overview Allied 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...

Joining the BlueHalo, an AV Company, team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our nati...

Joining the BlueHalo, an AV Company team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our natio...

Joining the BlueHalo, an AV Company, team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our nati...

Joining the BlueHalo, an AV Company, team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our nati...

Drive transformation. Shape secure enterprise solutions. Lead meaningful change. NS2 Mission is seeking a System Integrator to support a critical government customer in Herndon, VA. This role plays a ...

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 wi...

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 wi...

REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite in Herndon, VAAre you ready to lead projects that protect and secure digital assets? Ardent Principles is searching for a...

We are looking for App Developers to join a project in support of a Federal Customer. Classified work for this role can be done from the customer location around Springfield, or at the partner office ...

We are looking for a Cloud Engineer to join a project in support of a Federal Customer. Classified work for this role can be done from the customer location around Springfield, or at the partner offic...

We are seeking a dynamic Director of Business Development and Capture for our Emerging Markets Group (EMG). This role demands a highly motivated, self-starting individual who can drive growth across t...

R-00171888Description This is an   alternate  posting for three different   laboratory   positions in   Palmer   Station, Antarctica for the Austral Winter season (March...

R-00168167Description The Multi-Domain Solutions Division at Leidos currently has an opening for a Systems Engineer. This is an exciting opportunity to use your experience to support the Advanced Batt...

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...