HR & Office Administrator

Human Resources & Office Administrator
Location: Sterling, VA (On-Site)
Schedule: Full-Time | Monday–Friday | 7:30 am to 4:00 pm
Reports To: Human Resources Director

Position Summary

Commercial Express HVAC is seeking a highly organized and detail-oriented HR & Office Administrator to support our growing team and help deliver an exceptional employee experience. This role serves as a key member of the Human Resources department, supporting employee onboarding, payroll administration, compliance activities, and day-to-day HR operations.

The ideal candidate enjoys building positive relationships with employees, and can effectively balance multiple priorities while maintaining confidentiality and accuracy. This position offers an excellent opportunity to contribute to a growing organization while expanding your expertise across HR, payroll, compliance, and employee engagement.

Key Responsibilities

Human Resources

• Support daily HR operations and employee lifecycle activities.
• 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 confidentiality of employee information and sensitive business data.

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

• 4+ years of experience in HR, payroll, office administration, or related business operations.
• Experience with HRIS and payroll systems.
• Strong attention to detail and commitment to accuracy.
• 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.
• 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 continues to grow, you'll have opportunities to expand your responsibilities and make a meaningful impact on our team and 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.