Payroll and HR Administrator

About Arevon

Arevon is a U.S. energy leader committed to powering America with affordable, reliable, and secure homegrown energy. Headquartered in Scottsdale, Arizona, and with a regional office in New York City, the company’s experienced and dedicated team develops, finances, builds, owns, and operates renewable energy projects nationwide. With a strong track record in utility-scale solar and energy storage, Arevon is a trusted partner to utilities and businesses seeking cost-effective, sustainable energy solutions. By prioritizing American manufacturing and domestic energy production, the company invests in U.S. jobs, strengthens local economies, and advances the country’s energy independence.

The Position

Arevon is seeking a detail-oriented Senior Payroll & HR Administrator to own payroll processing in Paylocity and support employee lifecycle administration, including onboarding, employee changes, transitions, offboarding, HRIS data management, and general HR administration. This role requires strong payroll processing experience, hands-on Paylocity knowledge, accuracy, confidentiality, and the ability to coordinate effectively with internal teams in a growing, multi-state environment.

The ideal candidate will have hands-on Paylocity experience and 5–10 years of payroll processing experience, including payroll preparation, payroll data review, employee changes, reporting, and offboarding activities. Immigration experience is strongly preferred.

This position reports directly to the Senior Director, Human Resources.

Key Responsibilities

• Administer and optimize Paylocity payroll and HRIS systems, including configuration, reporting, integrations, and process improvements.
• Own payroll processing in Paylocity, including payroll preparation, payroll data review, employee changes, time and attendance coordination, deductions, reimbursements, reporting and follow-up on payroll-related issues. 
• Ensure compliance with multi-state payroll tax regulations and manage payroll tax reporting, filings, and audits.
• Oversee benefits self-billing processes, vendor reconciliations, and eligibility administration.
• Manage ACA tracking, compliance, and annual reporting requirements.
• Perform 401(k) contribution reconciliations, audit support, and retirement plan administration.
• Maintain accurate employee records in Paylocity, including new hire information, personnel changes, job and compensation updates, manager changes, terminations, and other employee lifecycle transactions.
• Manage onboarding and offboarding activities, including Paylocity workflows, background checks, I-9 documentation, E-Verify processing, exit documentation, final pay coordination, and related employee communications.