Human Resources Assistant

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

Who We Are

Coilmaster is a leading manufacturer of high-quality heat transfer coils, serving customers across HVAC, refrigeration, and industrial markets. We take pride in our craftsmanship, operational excellence, and commitment to our employees. At Coilmaster, our people are at the center of what we do. Our Human Resources team plays a key role in supporting a manufacturing workforce by ensuring accurate processes, strong compliance, and a positive employee experience from onboarding through day-to-day support. We value teamwork, integrity, and attention to detail, and we strive to create an environment where employees can grow and succeed.

What You’ll Do

As an HR Assistant, you will provide day-to-day administrative and operational support to the Human Resources function, helping ensure HR processes run smoothly and employees receive timely assistance.

Onboarding & Employee Support

• Coordinate and execute onboarding tasks including new hire paperwork, I-9s, badging, system logins, uniforms, and orientation setup
• Assist employees with benefits enrollment questions and required documentation
• Maintain accurate and compliant employee files, both digital and physical
• Serve as a first point of contact for employee questions related to schedules, policies, payroll, and general HR inquiries

Payroll & HR Administration

• Process hourly payroll, including timecard review, corrections, approvals, and attendance tracking
• Update employee records related to status changes, job titles, pay rates, and other HRIS data
• Process employment verifications, IDs, credentials, and other HR documentation
• Track attendance, leaves of absence, and required forms

Compliance & Policy Support

• Support compliance by maintaining required postings, training records, certifications, and documentation
• Maintain confidentiality and adhere to company policies and recordkeeping standards
• Assist with HR audits, reporting, and compliance initiatives as needed

General Administrative Support

• Manage calendars, training rosters, HR inboxes, and internal communications
• Order and maintain HR supplies, forms, and onboarding materials
• Support front desk and receptionist duties as needed
• Perform additional projects and tasks as assigned

What You’ll Need

• Bilingual English/Spanish required
• 1–3 years of administrative, HR, or payroll support experience preferred
• High school diploma required; Associate or Bachelor’s degree a plus
• Experience with HRIS, timekeeping, or payroll systems (ADP or Workday preferred)
• Familiarity with standard HR practices and documentation
• Strong organizational skills with high attention to detail
• Professional verbal and written communication skills
• Ability to maintain confidentiality and handle sensitive information
• Comfortable learning new systems and using Microsoft Office and Teams
• Manufacturing or multi-shift environment experience is a plus

What You’ll Gain

• Comprehensive benefits package including medical, dental, and prescription coverage.
• 401(k) with company matching.
• Hands-on experience across multiple areas of Human Resources
• Exposure to payroll processing, onboarding, compliance, and employee relations
• Opportunity to grow HR knowledge in a fast-paced, operational environment
• A collaborative team that values accuracy, service, and continuous improvement
• A role that directly impacts the employee experience from hire to day-to-day support

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.

We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to [email protected], and please be sure to include the title and the location of the position for which you are applying.