Senior Payroll & HR Administrator at Arevon

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

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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.

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Ensure compliance with multi-state payroll tax regulations and manage payroll tax reporting, filings, and audits.

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Oversee benefits self-billing processes, vendor reconciliations, and eligibility administration.

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Manage ACA tracking, compliance, and annual reporting requirements.

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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.

• Coordinate with Finance, Accounting, IT, and department leaders on employee transitions, payroll-impacting changes, system access updates, and timely completion of related HR tasks.

• Provide general HR administrative support, including maintaining electronic files, preparing employment letters, supporting audits, assisting with HR reporting, and responding to routine employee questions.

• Support benefits administration, HRIS workflow improvements, process documentation, and compliance-related recordkeeping.

• Support immigration administration, including tracking key dates, maintaining documentation, and coordinating employee communications.

Required Qualifications

• Bachelor’s degree in Human Resources, Business Administration, or a related field, or equivalent combination of education and relevant experience.

• 7+ years of progressive Human Resources experience, preferably in a multi-state organization.

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7+ years of progressive payroll administration experience, including ownership of multi-state payroll processing and compliance.

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Hands-on experience administering Paylocity, including system configuration, reporting, implementations, and troubleshooting.

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Demonstrated expertise in s tate and local payroll tax compliance, including tax registrations, filings, reconciliations, and resolution of agency notices.

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Strong experience managing employee benefits administration, including self-billing arrangements, carrier reconciliations, and vendor management.

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Proven knowledge of Affordable Care Act (ACA) tracking, eligibility monitoring, and annual reporting requirements, including Forms 1094-C and 1095-C.

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Experience administering and auditing 401(k) retirement plans, including payroll contribution reconciliations, census reporting, compliance testing support, and annual audit preparation.

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Thorough understanding of federal and state payroll regulations, wage and hour laws, and employee benefit compliance requirements.

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Advanced Excel and payroll reporting skills with the ability to analyze data, identify discrepancies, and implement corrective actions.

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Exceptional attention to detail with a track record of maintaining accuracy, confidentiality, and regulatory compliance in a fast-paced environment.

• Experience managing onboarding, offboarding, employee changes, I-9 documentation, E-Verify processing, and employee lifecycle administration.

• Strong attention to detail, discretion, sound judgment, and professionalism when handling confidential employee information.

• Ability to manage competing priorities, meet deadlines, and communicate clearly with employees and internal stakeholders.

Preferred Qualifications

• Experience supporting employment-based immigration processes, including H-1B, PERM, green card, or similar matters.

• Experience in an internal HR environment supporting payroll, benefits, employee records, and HR compliance without reliance on a PEO.

• Professional certification such as SHRM-CP, PHR, or similar is a plus.

Why Join Arevon?

We believe you should love what you do and love where you work, which is why we offer a wide range of benefits to support your personal and professional well-being.

• Competitive Compensation and Incentives

• Generous Paid Time Off

• Flexible Work Environment

• 401(k) Plan with 6% Company match

• Tuition Reimbursement Program

• Paid Parental and Caregiver Leave

• Inspiring Company Culture

• Professional Development Opportunities

Equal Opportunity Employer Statement

Arevon is an equal opportunity employer committed to fostering a diverse and inclusive workplace. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic under applicable law. We encourage candidates of all backgrounds to apply.