Payroll and Accounting Assistant

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Payroll and Accounting Assistant

McMillen, Inc. is looking for a Payroll and Accounting Assistant to join the team in the Boise, ID office. The Payroll and Accounting Assistant will provide administrative and accounting support to ensure accurate and timely payroll and finance processes. This role involves collecting and verifying employee timecards, assisting with data entry, and maintaining accurate financial records.

Responsibilities:

• Collect, review, and verify employee timecards for accuracy and completeness.
• Assist in preparing and processing payroll under the supervision of the payroll specialist or payroll manager.
• Support accounts payable functions by coding and entering invoices.
• Maintain accurate employee and project records in payroll and billing systems.
• Respond to employee inquiries related to payroll and timesheets.
• Assist with reconciliations and reporting as needed.
• Provide general administrative support to the finance team.

Qualifications:

• High school diploma or equivalent required; associate or bachelor's degree in accounting, Finance, or Business preferred.
• 2 years of related experience.
• Strong attention to detail and accuracy.
• Basic understanding of payroll and billing processes a plus but not required (training provided).
• Proficiency with Microsoft Excel and preferred familiarity with accounting software.
• Strong organizational and communication skills.

Compensation Package:

• Pay Range: $20-$30 hr. (DOE)
• Benefits: McMillen provides a full Benefits Program comprising medical, dental, vision, life, disability, FSA, EAP, 401(k) and match, 9 paid holidays, generous PTO, opportunity for stock ownership, and wellness reimbursement.

Who we are: McMillen, Inc. designs and builds solutions that shape the future of water resources. As an employee-owned firm, we take pride in every project because we know our work truly matters. Our people thrive on solving complex challenges, pushing boundaries, and refining their craft. We don't look for the complacent or the comfortable. We seek problem solvers, innovators, and experts who are always striving to be better. We support continuous learning, cutting-edge technology, and a balanced work-life environment so our employees can build careers they're proud of.

We are focused in the dams, energy, fisheries, natural resources, and infrastructure markets. With staff across the United States, Canada, Europe, and beyond, we bring global best practices to our clients. Our people integrate engineering, environmental, and construction expertise to deliver practical, results-driven outcomes. From concept to completion, projects are guided through feasibility studies, permitting, design, construction, and commissioning, ensuring technical precision and real-world functionality.

EEO: McMillen, Inc. is an EEO/Affirmative Action Employer and will make all employment related decisions without race, color, religion, sex, national origin, disability or protected veteran status.

Visa sponsorship, including renewal during employment, will not be provided for this position.

No recruiters, please.