HR/Office Administrator; Part-Time
Posted 2026-05-06Position: HR/Office Administrator (Part-Time)
POSITION DESCRIPTION:
Pioneering Evolution is seeking Part-Time HR/Office Administrator to support both Human Resources operations and general office administration in a hybrid capacity (remote with on-site requirements in Crystal City, Arlington, VA). This role is ideal for a seasoned professional with a strong background in HR management and administrative support, preferably within the defense, aerospace, or government contracting industries. The HR/Office Administrator will be responsible for maintaining compliance, supporting employee engagement, overseeing day-to-day office operations, and ensuring operational efficiency across personnel and administrative functions.
This is a part-time position (approximately 24 hours/week, flexible within core business hours).
Responsibilities:
- HR Operations & Compliance
- Maintain accurate and secure personnel records (digital and physical).
- Support employee onboarding and offboarding processes.
- Ensure internal HR processes adhere to federal, state, and client-specific labor regulations.
- Assist with internal audits and compliance reviews. Employee Engagement
- Administer HRIS updates, benefits enrollment, and employee data changes.
- Support employee engagement initiatives and internal communications.
- Prepare HR reports for leadership and contract compliance.
- Maintain confidentiality and handle sensitive information with discretion. Recruitment & Talent Support
- Assist with candidate scheduling, coordination, and communications.
- Maintain applicant tracking system (ATS) records and reporting.
- Support recruitment and talent management initiatives as directed by leadership. Office Administration
- Serve as the primary point of contact for day-to-day office operations.
- Manage office supplies, equipment, and vendor relationships.
- Coordinate meeting logistics, scheduling, and office communications.
- Assist with timekeeping, travel coordination, and expense tracking as needed.
- Support leadership with administrative tasks, including document preparation and correspondence.
- Ensure the office environment supports collaboration, efficiency, and compliance with security requirements. REQUIRED EXPERIENCE:
- Minimum of 3 years of progressive HR and/or administrative experience, preferably within the defense, aerospace, or government contracting industry.
- Strong knowledge of federal labor laws, Equal Employment Opportunity (EEO), Office of Federal Contract Compliance Programs (OFCCP), and security clearance processes.
- Experience with HRIS and ATS platforms (e.g., Deltek, Unanet, ADP, Workday).
- Demonstrated office administration experience, including scheduling, vendor management, and executive support.
- Excellent organizational skills with strong attention to detail.
- Strong communication and interpersonal skills with the ability to engage employees across all levels.
- Ability to balance multiple priorities while maintaining efficiency and accuracy.
- Bachelor's degree in human resources, Business Administration, or related field (or equivalent work experience).
- Active Secret Clearance preferred or ability to obtain. DESIRED EXPERIENCE:
- Professional HR certification (PHR, SHRM-CP, or equivalent).
- Previous experience working in a government contracting, defense consulting, or national security-focused organization.
- Prior active security clearance.
- Experience managing hybrid/remote office environments and supporting distributed teams.