HR Administrator
Hybrid · Reston, Virginia, United States
Job Summary
HR Administrator responsible for end-to-end recruiting administration and onboarding processes, including posting and monitoring requisitions in the ATS, generating offer letters, handling pre-employment documentation (I-9, E-Verify), and designing an onboarding experience via SOSi SPARK. Plays a key role in HR operations automation, data hygiene, HR communications, and support for Total Rewards/compensation actions. Will manage HR data in systems (UKG), process purchasing requests, assist with Defense Base Act claims, oversee the Education Reimbursement program, and contribute to employee recognition and engagement initiatives (SOSi High Five Awards, SOSi IGNITE). Requires two+ years in HR coordination/administrative roles, proficiency with AI-enabled automation, strong attention to detail, independent judgment, and excellent communication; hybrid work arrangement (2 days in office, 3 days remote) in Reston, VA, US.
Required Qualifications
- Two+ years in an HR coordination or administrative role
- Demonstrated ability to apply AI tools to automate routine tasks and improve process efficiency
- Excellent written and verbal communication skills
- Proficiency in Microsoft Office Suite
- Experience with HR or talent management platforms
- Background supporting government, defense, or large-scale service contracts
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