Security Clearance Jobs in Mc Lean, VA

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and pr...

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication based on customer requirements. Our core capabilities ...

R-00180660Description Job DescriptionLeidos has a new and exciting opportunity for a Senior Knowledge Manager our Intel Sector Analysis Solutions Business Area (ASBA).  Our talented team is at th...

R-00180637Description Leidos has a new and exciting opportunity for a Data Scientistin our Intel Sector Analysis Solutions Business Area (ASBA).  Our talented team is at the forefront in Security...

R-00177513Description Leidos is seeking a Transportation Engineering Lab Intern in McLean, VA for April through August 2026, to support lab operations and ongoing research efforts at the FHWA Turner-F...

Senior Software Developer Location: Tysons, VA Clearance: TS/SCI with Full Scope Polygraph The Senior Software Developer supports full lifecycle development (analyze, design, develop, deploy, maintai...

Mid-Level Systems Engineer Location: Tysons, VA Clearance: TS/SCI with Full Scope Polygraph The Mid-Level Systems Engineer is responsible for applications infrastructure across enterprise networks and...

Purpose and Impact: Amentum is seeking a Painter to join our team of passionate individuals in McLean, VA.Work Schedule: Monday - Thursday 4:30pm - 2:30amEssential Responsibilities: JOB FUNCTION: Prep...

Job Number: R0237713Defense Mission Professional The Opportunity: Bring an in-depth understanding and expertise to identifying, analyzing, and evaluating complex or highly sensitive systems, policies ...

ResponsibilitiesServe as the customer-facing Subject Matter Expert (SME) on all cybersecurity-related issues.Provide policy guidance and cybersecurity direction across the Sponsor's Directorates and/o...

ResponsibilitiesThe individual selected for this position will provide systems/network engineering support to a program that seeks to adopt a phased approach to building infrastructure needed for the ...

DescriptionHuman Resources GeneralistAt B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, ...

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Pro...

OverviewWe are seeking an experienced AWS Cloud Architect to design, implement, and manage scalable, secure, and highly available cloud solutions. This role will lead cloud architecture strategy, driv...

OverviewWe are seeking a detail-oriented QA Automation Engineer to design, develop, and maintain automated test frameworks and scripts. This role will play a critical part in ensuring software quality...

OverviewWe are seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible for ensuring the reliability, security, and performance o...

OverviewWe are seeking a highly skilled Information Systems Security Engineer (ISSE) to design, implement, and maintain security controls across enterprise systems and networks. This role ensures syst...

OverviewWe are seeking a highly motivated and experienced DevOps Engineer with a minimum of 5 years of hands-on experience in building, automating, and maintaining scalable infrastructure and deployme...

OverviewWe are seeking a skilled Network Engineer with at least 5 years of experience designing, implementing, and supporting enterprise network infrastructure. The ideal candidate will have strong ex...

OverviewWe are seeking a skilled Data Engineer with at least 5 years of experience designing, building, and maintaining scalable data pipelines and architectures. The ideal candidate will have strong ...