HR/Office Administrator (Part-Time)

About the position 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 • 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. • 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. • 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. • 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. Requirements • 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. Nice-to-haves • 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. Apply tot his job Apply To this Job