Security Clearance Jobs in Herndon, VA

Summary TTG Solutions is seeking an experienced Information Systems Security Engineer (ISSE) to join our dynamic team. We are looking for a dedicated professional to support our advanced technology in...

Summary TTG Solutions is seeking an experienced MS Exchange Engineer with a strong background in Exchange administration and Windows infrastructure to join our team. The ideal candidate will bring ext...

Summary TTG Solutions is seeking a motivated Systems Engineer with expertise in voice technologies to join our dynamic team. We require a candidate with at least 3 years of experience and a strong bac...

Summary TTG Solutions is seeking a highly experienced Windows Systems Engineer with over 11 years of professional experience. The ideal candidate will have a strong background in systems integration, ...

Summary TTG Solutions is seeking experienced Voice Engineers to support our technology-based initiatives for a government project. We are looking for candidates with extensive expertise in voice engin...

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 ...