Human Resources Administrator

Job Title : Human Resources Administrator

Industry : Government Contracting / Defense Training

Location : Reston, VA

Assignment Type : 6-month contract-to-hire

Pay : $20–$24 / hour depending on experience (equivalent to $65K–$67K if converted to permanent)

Work Schedule : Monday–Friday, 9 : 00 AM–5 : 00 PM

Benefits : This position is eligible for medical, dental, vision, and 401(k).

About Our Client :

Our client is an innovative defense-focused organization that specializes in advanced military training solutions. They utilize cutting-edge simulation and weapons systems to prepare military and law enforcement personnel for real-world missions. Their team includes veterans and defense experts, making this a uniquely mission-driven workplace that blends military precision with forward-thinking technology. The environment is fast-paced, high-energy, and heavily influenced by a culture of discipline, performance, and operational excellence.

Job Description :

The Human Resources Administrator will support the HR function within a defense and weapons training organization, ensuring smooth operations and compliance while serving as a key administrative resource. This role plays an essential part in supporting employees who work on mission-critical training programs.

Key Responsibilities :

• Maintain and update employee records in HR systems, ensuring accuracy and compliance with government contracting standards.
• Support recruitment efforts for roles related to defense training and operations, including applicant tracking, interview coordination, and candidate onboarding.
• Prepare and manage onboarding and compliance documentation (offer letters, I-9, E-Verify, tax forms, and security-related requirements).
• Coordinate and assist with new hire orientation, ensuring personnel are prepared for a military-focused, high-performance environment.
• Assist with payroll processing, including timekeeping validation, PTO, and leave records.
• Maintain personnel files to government contractor audit standards and support HR compliance efforts.
• Provide recurring HR metrics and reporting such as headcount, turnover, and staffing levels.
• Assist with HR initiatives that support a workforce focused on weapons training, simulation, and defense readiness.

Hard Skills Qualifications :

Soft Skills Qualifications (Highly Important for Culture Fit!) :

Additional Details :

Perks :

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.