Human Resources Administrator

Job Title: Human Resources Administrator

Industry: Government Contracting / Defense Technology

Location (City, State): Reston, VA

Assignment Type: 6-month contract to hire

Pay: $20–$22 per hour (depending on experience)

Work Schedule: Monday – Friday | 9:00 AM – 5:00 PM | Fully onsite

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

About Our Client

Addison Group is partnering with our client, an innovative organization in the defense technology and training space, to hire a Human Resources Administrator. This company develops advanced training solutions that support mission readiness and operational performance. The team operates in a fast-paced environment with a strong emphasis on collaboration and adaptability.

Job Description

The Human Resources Administrator will support daily HR operations and ensure accurate maintenance of employee records and documentation. This position plays an important role in coordinating recruitment and onboarding activities, assisting with payroll and benefits administration, and helping maintain HR compliance standards.

The ideal candidate is highly organized, detail-oriented, and comfortable working in a dynamic environment while supporting a variety of HR administrative functions.

Key Responsibilities

• Maintain employee data and personnel records within the HRIS system, ensuring information is accurate and up to date.
• Assist with recruiting activities including posting job openings, scheduling interviews, and supporting hiring managers throughout the process.
• Prepare onboarding materials and documentation for new hires, including employment forms and policy acknowledgements.
• Support new employee onboarding and help coordinate access, systems setup, and orientation materials.
• Assist with payroll preparation by collecting and verifying timekeeping data, PTO requests, and related documentation.
• Support benefits administration tasks including enrollments, changes, and employee inquiries.
• Maintain organized and audit-ready HR files in accordance with internal policies and regulatory requirements.
• Generate HR reports and metrics related to workforce data such as headcount, turnover, and recruiting activity.
• Assist with internal HR initiatives such as training sessions, employee engagement programs, and company events.
• Provide administrative support for HR projects and respond to employee questions related to HR processes and policies.

Qualifications

• Bachelor’s degree required.
• Experience supporting HR functions such as recruiting coordination, onboarding, payroll support, or benefits administration.
• Experience working with Human Resources Information Systems (HRIS) and maintaining employee data.
• Familiarity with employment regulations and HR compliance standards is preferred.
• Proficiency in Microsoft Office Suite, particularly Excel, Outlook, and Word.
• Strong organizational, communication, and problem-solving skills.
• Ability to work in a fast-paced environment and collaborate with cross-functional teams.
• Experience with Paylocity, BambooHR, or similar HR systems is a plus.

Additional Details

• Contract-to-hire opportunity with potential for long-term growth.
• Opportunity to work closely with leadership in a fast-growing organization.
• Pay range: $20–$22/hour (depending on experience).

Perks

• Exposure to a dynamic and innovative organization in the defense technology sector.
• Opportunity to gain hands-on experience across multiple HR functions.
• Collaborative and fast-paced team environment.

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.