Human Resources Assistant

McMillen is seeking a proactive and detail-oriented HR Assistant to join our dynamic team in Boise,  role is ideal for someone looking to grow their career in human resources while supporting a fast‑paced, project‑driven environment.

$20.50/hr – $26.00/hr (DOE)

• Maintain and update employee records and HR databases
• Assist with onboarding and off‑boarding processes
• Prepare HR‑related documents such as employment updates, offer letters, and termination paperwork
• Support compliance efforts by organizing and maintaining confidential files
• Schedule interviews and communicate with candidates and hiring managers
• Conduct initial resume screens for entry‑level and intern positions
• Coordinate and process pre‑employment requirements, including reference checks, drug screens, and background checks
• Coordinate logistics for career fairs and recruitment events, including shipping materials and setting up booths
• Prepare and distribute new‑hire and promotion announcements
• Collaborate with IT to process and communicate promotion‑related system changes, access updates, and user permissions
• Post job openings on internal and external platforms
• Organize and ship promotional materials and supplies for career fairs and HR events
• Track inventory of HR collateral and coordinate reorders as needed
• Oversee new‑hire swag box inventory and distribution
• Assist in planning employee engagement activities and recognition programs
• Respond to routine employee inquiries regarding HR policies and procedures
• Help coordinate training sessions and track attendance
• Support payroll and benefits administration as needed
• Assist with internal audits and reporting
• Perform other HR‑related tasks as assigned by the HR Manager

• Associate’s or Bachelor’s degree in Human Resources, Business Administration, or related field preferred
• 2–4 years of experience in an HR or administrative role
• Strong organizational and time‑management skills
• Proficiency in Microsoft Office Suite (Word, Excel, Outlook)
• Proficiency with MS SharePoint (site navigation, document management, and basic updates)
• Experience using Smartsheet for project tracking, workflows, and reporting
• Ability to handle sensitive information with discretion

• Pay Range: $20.50–$26.00/hr (DOE)
• Benefits: Medical, Dental, Vision, Life, Disability, FSA, EAP, 401(k) and match, 9 paid holidays, generous PTO, opportunity for stock ownership, and wellness reimbursement

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 focus on 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.

Seniority level:
Entry level

Employment type:

Full‑time
Job function:
Human Resources

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.

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