HR/Personnel Support Specialist - Senior with Security Clearance

Astrion; Chantilly (VA); On-site; USD 162,000 - 198,000; Full time

Job summary

Astrion is seeking a Senior HR & Personnel Support Specialist in Chantilly, VA to provide executive-level personnel administration, workforce management, and HR support to U.S. Space Force and national security space organizations.

The role requires active DoD Top Secret clearance with SCI eligibility and Poly, U.S. citizenship, and a strong background in HR operations and executive administration. Extensive coordination across civilian, military, and contractor staff is essential.

Qualifications

• Bachelor's degree from an accredited institution.
• Minimum 10 years of experience supporting HR, personnel administration, executive administration, or workforce support activities.
• Experience supporting DoD, Intelligence Community, U.S. Space Force, U.S. Air Force, or related federal organizations.
• Strong proficiency with Microsoft Office Suite.

Responsibilities

• Provide senior-level personnel and administrative support to leadership and staff.
• Track and process personnel actions, staffing documentation, onboarding packages, awards, evaluations, and organizational records.
• Coordinate civilian, military, and contractor personnel actions.
• Support workforce management activities including staffing status reporting, billet tracking, personnel readiness, and accountability.
• Coordinate schedules, meetings, suspense actions, and leadership task management.
• Prepare correspondence, memoranda, briefing materials, staffing packages, and reports.
• Support onboarding, out-processing, visitor control requests, CAC coordination, and account access activities.
• Support travel coordination, conference planning, and administrative logistics.
• Ensure compliance with applicable DoD, Department of the Air Force, and U.S. Space Force guidance.
• Maintain personnel databases, trackers, and reporting systems.
• Support process improvement initiatives focused on efficiency and workflow visibility.

Skills

HR experience

DoD experience

MS Office

Education

Bachelor's degree

Tools

Microsoft Office Suite

Job description

Overview Senior HR & Personnel Support Specialist LOCATION : Chantilly, VA JOB STATUS: Full-time CLEARANCE: Active DoD Top Secret security clearance with SCI eligibility and Poly required. U.S. citizenship required. SALARY RANGE: Estimated $180,000+ USD Annually* *depending on experience, certifications, and qualifications The Senior HR & Personnel Support Specialist provides executive-level personnel administration, workforce management, and human resources support to U.S. Space Force and national security space organizations.

REQUIRED QUALIFICATIONS / SKILLS

• Bachelor's degree from an accredited institution.
• Minimum 10 years of experience supporting HR, personnel administration, executive administration, or workforce support activities.
• Experience supporting DoD, Intelligence Community, U.S. Space Force, U.S. Air Force, or related federal organizations.
• Strong proficiency with Microsoft Office Suite.

PREFERRED QUALIFICATIONS / SKILLS

• Experience supporting SSC, NRO, or national security space organizations.
• Familiarity with military awards, evaluations, staffing packages, and executive correspondence.
• Experience supporting senior leadership or headquarters staff environments.

RESPONSIBILITIES

• Provide senior-level personnel and administrative support to leadership and staff.
• Track and process personnel actions, staffing documentation, onboarding packages, awards, evaluations, and organizational records.
• Coordinate civilian, military, and contractor personnel actions.
• Support workforce management activities including staffing status reporting, billet tracking, personnel readiness, and accountability.

Executive & Organizational Support

• Coordinate schedules, meetings, suspense actions, and leadership task management.
• Prepare correspondence, memoranda, briefing materials, staffing packages, and reports.
• Support onboarding, out-processing, visitor control requests, CAC coordination, and account access activities.
• Support travel coordination, conference planning, and administrative logistics.

Compliance & Process Improvement

• Ensure compliance with applicable DoD, Department of the Air Force, and U.S. Space Force guidance.
• Maintain personnel databases, trackers, and reporting systems.
• Support process improvement initiatives focused on efficiency and workflow visibility.
• Handle sensitive personnel information within secure environments.