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60 Jmark Jobs Hiring Near You

JMark Services Inc.

Paralegal

Mclean, VA

TS/SCI w/ Poly Position Overview At JMark, precision and compliance in legal processes are critical to supporting the Intelligence Community (IC). We are seeking Paralegals across multiple discipline ...

JMark Services, Inc.

Law Clerk (Attorney)

Mclean, VA · On-site

TS/SCI w/ Poly Position Overview At JMark, legal expertise is mission-critical to supporting the Intelligence Community (IC). We are seeking Law Clerks (Attorneys) across multiple discipline levels ...

JMark Services, Inc.

HR Policy Advisor

Mclean, VA · On-site

TS/SCI w/ Poly Position Overview At JMark, strong policies build strong workforces. We are seeking HR Policy Advisors across multiple discipline levels to provide expert guidance on human resources ...

JMark Services Inc.

Legislative LIasion

Mclean, VA

TS/SCI w/ Poly Position Overview At JMark, staying ahead of legislative developments is mission-critical to supporting the Intelligence Community (IC). We are seeking Legislative Liaisons across ...

JMark Services Inc.

Training Specialist

Mclean, VA

TS/SCI w/ Poly Position Overview At JMark, developing a skilled workforce is essential to mission success. We are seeking Training Specialists across multiple discipline levels to design, deliver ...

JMark Services, Inc.

Technical Writer

Mclean, VA · On-site

TS/SCI w/ Poly Position Overview At JMark, clear communication is essential to mission success. We are seeking Technical Writers across multiple discipline levels to support the Legislative/Legal ...

JMark Services Inc.

HR Policy Advisor

Mclean, VA

TS/SCI w/ Poly Position Overview At JMark, strong policies build strong workforces. We are seeking HR Policy Advisors across multiple discipline levels to provide expert guidance on human resources ...

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Infographic showing various job openings at Jmark in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% Physical job distribution.
Personnel Security Specialist

Personnel Security Specialist

JMark Services, Inc.

Mclean, VA • On-site

Full-time

Posted 4 days ago

Job description

Personnel Security Specialist
Location: McLean, VA
Clearance: TS/SCI w/ Poly
Position Overview
At JMark, protecting sensitive information and ensuring personnel security is critical to mission success. We are seeking Personnel Security Specialists across multiple discipline levels to enforce security protocols, conduct background investigations, adjudicate clearances, and ensure compliance with federal regulations. This role requires strong analytical skills, attention to detail, and a commitment to safeguarding mission-critical operations.
Key Responsibilities
Security Oversight & Compliance
  • Implement personnel security protocols to safeguard classified and sensitive information.
  • Ensure compliance with federal regulations, adjudicative guidelines, and agency security policies.

Investigations & Adjudications
  • Conduct background investigations to assess personnel reliability and trustworthiness.
  • Adjudicate security clearances in accordance with federal standards.

Records Management & Reporting
  • Maintain accurate security clearance records and documentation.
  • Prepare reports and certify compliance with applicable requirements.

Risk Management & Collaboration
  • Collaborate with departments to address security risks, incidents, and violations.
  • Recommend and implement appropriate mitigation strategies.

Success Factors
The ideal candidate will be:
  • Detail-Oriented & Compliance-Focused - Ensures investigations and adjudications meet federal standards.
  • Analytical & Trusted - Exercises sound judgment in sensitive matters.
  • Collaborative & Proactive - Engages effectively with cross-functional teams.
  • Mission-Focused & Ethical - Maintains integrity and discretion in all security functions.

Qualifications
Required
  • Bachelor's degree in Criminal Justice, Security Management, or related field.
  • 0-15+ years of experience in personnel security, background investigations, or clearance adjudication (multi-discipline levels available).
  • Knowledge of federal personnel security regulations, adjudicative guidelines, and clearance processes.
  • Strong analytical, documentation, and communication skills.

Preferred
  • Experience supporting ODNI, IC, or DoD security operations.
  • Security certifications such as ISP, SFPC, or other DSS/CDSE credentials.

Why Join JMark?
At JMark, personnel security is the cornerstone of trust and mission assurance. As a Personnel Security Specialist, you will help protect sensitive information, maintain compliance, and safeguard the workforce that drives national security objectives.
Your expertise. Our mission. One standard: excellence.

Apply