Arlington On-Site Security Specialist (TS/SCI) – Mid

Serco; Harrisonburg (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

Serco Inc. in Arlington, Virginia is seeking a Security Specialist (Operations) – Mid to support a DoD customer and the F-35 JPO mission.

The role covers full-spectrum security operations including SAP, SCI, and collateral environments, with emphasis on compliance, documentation, access control, and stakeholder coordination. The successful candidate will bring strong industrial security experience and a thorough understanding of DoD security requirements while working in a fast-paced,

Qualifications

• U.S. Citizenship was required.
• Active TS/SCI clearance required.
• Bachelor’s degree or 7+ years of full-spectrum security experience.
• Knowledge of DoD and military security regulations (NISPOM/JAFAN).
• Experience with SAP/SCI environments and collateral programs.

Responsibilities

• Support security operations across collateral, SAP, and SCI environments.
• Assist with security documentation, tracking, access support, and records management.
• Process PARs through approved channels and maintain SOPs.
• Coordinate with government and contractor stakeholders on security requirements.
• Review security documentation for accuracy and alignment with customer needs.
• Support SAP facility accreditation and annual self-inspections.

Skills

Security operations

Access control

Records management

Stakeholder coordination

DoD security knowledge

Documentation

Communication skills

Education

Bachelor’s degree or 7+ years experience

Job description

Serco Inc. in Arlington, Virginia is seeking a Security Specialist (Operations) – Mid to support a DoD customer and the F-35 JPO mission.

The role covers full-spectrum security operations including SAP, SCI, and collateral environments, with emphasis on compliance, documentation, access control, and stakeholder coordination. The successful candidate will bring strong industrial security experience and a thorough understanding of DoD security requirements while working in a fast-paced,