Security Clearance Jobs in Mc Lean, VA

Date Posted:2026-09-22Country:United States of America Location:US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status R...

ClearanceJobs, on behalf of our confidential customer is seeking a System Administrator who will provide IT and cyber-systems security support. This is a 100% on-site position supporting the Space and...

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 ...

Location:McLean,VASalary:salary is commensurate with education and experienceJob Code:10192026-7041-01Clearance:Active TS/SCI with PolygraphWhat You Will DoAnalyze workforce data, including metrics re...

Amentum is looking for a Quality Specialist to join our team in McLean, VA! As a Quality Specialist, you will plan and direct activities concerning the development, application, and maintenance of qua...

Company OverviewIridium is an award-winning satellite communications company operating the world's only truly global voice and data network, delivering reliable connectivity anywhere on Earth. For mor...

What We’re Looking For:If you are an experienced customer-facing professional with a passion for building long-term relationships and driving customer success in the aviation and aerospace industry, t...

What We’re Looking For:Iridium is seeking a customer-obsessed Service Specialist I to serve as the primary point of contact for all incoming incidents and service requests. In this role, you will prov...

Job Summary Castalia Systems is seeking a Mid-Level All-Source Analyst to use your specialized functional experience and your attention to detail to conduct all-source analytic production on foreign d...

Digitization Specialist with active TS/SCI FS PolyWarrenton, VA area (full-time On-Site)PTFS, a Maryland-based company providing digital archiving and library solutions, as well as professional servic...

Digitization Specialist with active TSWarrenton, VA area (full-time On-Site)PTFS, a Maryland-based company providing digital archiving and library solutions, as well as professional services including...

Digitization Operatorwith active TS/SCI FS PolyWarrenton, Va area (full-time On-Site)PTFS, a Maryland-based company providing digital archiving and library solutions, as well as professional services ...

R-00194698Description Leidos has a new and exciting opportunity for a Sr. Systems Administrator in our Intel Sector's (IS) Solutions Analysis Business Area (ASBA).  Our talented team is at th...

Title:Technical TargeterBelong. Connect. Grow. with KBR!KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and ...

About Agile DefenseAt Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spiri...

Systems Test Engineer 📍Bethesda, MD | McLean, VA | Chantilly, VA 📌 Full-Time | On-site | Position Contingent Upon AwardJoin a mission that matters. We are seeking a skilled Systems Engineer (Test) to ...

Technical Writer📍Bethesda, MD | McLean, VA | Chantilly, VA 📌 Full-Time | On-site | Position Contingent Upon AwardJoin a mission that matters. We are seeking a skilled Technical Writer to support criti...

AI / Machine Learning Modeler / Engineer📍Bethesda, MD | McLean, VA | Chantilly, VA 📌 Full-Time | On-site | Position Contingent Upon AwardJoin a mission that matters. We are seeking a skilled AI / Mach...

Data Standardization Specialist📍Bethesda, MD | McLean, VA | Chantilly, VA 📌 Full-Time | On-site | Position Contingent Upon AwardJoin a mission that matters. We are seeking a skilled Data Standardizati...

Data Architect📍Bethesda, MD | McLean, VA | Chantilly, VA 📌 Full-Time | On-site | Position Contingent Upon AwardJoin a mission that matters. We are seeking a highly skilled Data Architect to support cr...