Security Clearance Jobs in Mc Lean, VA

ClearanceJobs is actively seeking a Senior .NET Software Engineer for our client located in Herndon, VA. ClearanceJobs is the largest career network for professionals with federal government security ...

Apply Description Assured Information Security (AIS) has an opening for Senior Systems Engineer. The Senior Systems Engineer provides strategic systems engineering, technical governance, and enterpr...

Our Deloitte Regulatory, Risk & Forensic team helps client leaders translate multifaceted risk and an evolving regulatory environment into defensible actions that strengthen, protect, and transfor...

Our Deloitte Regulatory, Risk & Forensic team helps client leaders translate multifaceted risk and an evolving regulatory environment into defensible actions that strengthen, protect, and transfor...

The Systems Engineer is responsible the applications infrastructure across all networks. Technical support to make application security compliant. Responsible for tech precepts implementation and cont...

Mid. Counterterrorism Research Analysis Support for JTTF (Counterterrorism/Insurgency Analyst) Benefits & Compensation: At Prescient Edge, we believe that acting with integrity and serving our emp...

Systems EngineerWarrenton / Tysons, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable inte...

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...

Job Number: R0242661Data ScientistThe Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets held by a data set, and you're fascinated by the possibilities presented...

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 ...

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 ...

Careers at Systems Architect REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time onsite in McLean, VA We are seeking a Systems Architect who can transform c...

At EY, we're all in to shape your future with confidence.We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help t...

At EY, we're all in to shape your future with confidence.We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help t...

R-00186131Description Are you interested in improving and shaping the transportation industry in a group of intelligent and motivated individuals?  Leidos operates the Federal Highway Administra...

Job Type: Full-Time Clearance: TS/SCI and the ability to obtain/maintain a Polygraph is required Must be a U.S. Citizen Benefits: Medical, dental, and vision coverage, 401k matching, generous PTO, ...

Job Type: Full- Time Workplace Type: Onsite Clearance: TS/SCI willingness to take a polygraph exam Must be a U.S. Citizen Job Summary Castalia Systems is seeking a Mid-Level All-Source Analyst t...

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...

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Job Category: IT Infrastructure and OperationsRequisition Number: SYSTE002321Apply nowPosting DetailsPosted: October 1, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDLocationsSho...