Human Resources & Office Administrator

Location: Sterling, VA (On-Site)

Schedule: Full-Time | Monday–Friday

Reports To: Human Resources Director

Position Summary

Commercial Express HVAC is seeking a Human Resources & Office Administrator to play a key role in supporting our employees and daily office operations. Reporting to the Human Resources Director, this position combines HR administration, onboarding, payroll support, employee engagement, and office coordination.

The ideal candidate is organized, detail-oriented, and passionate about creating a positive employee experience while supporting a growing team. This role is perfect for someone who enjoys balancing multiple responsibilities, maintaining confidentiality, and contributing to a collaborative and fast-paced work environment.

Key Responsibilities

Human Resources

• Support HR operations.
• Assist with new hire onboarding processes.
• Conduct new hire orientations, and 30/90-day follow-up meetings.
• Process background checks, security clearance documentation, I-9s, and E-Verify requirements.
• Assist employees with benefits-related questions.
• Maintain and update employee records and access credentials in internal systems.

Payroll & Timekeeping

• Review, audit, and correct employee timesheets for accuracy and completeness.
• Support payroll administration activities.

Office Administration

• Manage office supplies and inventory.
• Coordinate employee uniforms and company-issued resources.
• Assist with employee events, recognition programs, and special projects.
• Provide support for general office operations and special projects as needed.

Required

• 5+ years of experience in HR, payroll, office administration, or related business operations.
• Experience with timesheet administration and HR compliance processes.
• Knowledge of I-9, E-Verify, and background screening requirements.
• Proficiency in Microsoft Office (Word, Excel, Outlook, PowerPoint).
• Strong organizational, communication, and problem-solving skills.
• Ability to manage sensitive and confidential information with professionalism and discretion.

Preferred

• Experience with Paylocity HRIS and payroll systems.
• Payroll processing and benefits administration experience.
• HR operations experience.
• Certified payroll experience a plus.

Why Join Us?

This is an excellent opportunity to grow your HR career while gaining hands-on experience in employee relations, compliance, benefits administration, payroll support, and HR operations. As Commercial Express HVAC grows, you'll have the chance to take on new challenges, expand your expertise, and play an important role in shaping our employee experience and company culture.

Benefits

• Medical, dental, and vision insurance
• HSA Option
• 401(k) with company match
• Company-paid life insurance
• Short- and long-term disability coverage
• Paid holidays and paid time off (PTO)
• Performance bonuses
• Employee events and team activities
• Optional benefits including supplemental life, accident, critical illness, hospital indemnity, pet insurance, and legal assistance plans

If you're looking for an opportunity to make a meaningful impact while developing your HR career in a supportive and team-oriented environment, we'd love to hear from you.

Commercial Express HVAC is an Equal Opportunity Employer committed to fostering a diverse and inclusive workplace.