HR & Payroll Coordinator

About Us

Subterranean Boring Inc. is a pioneering leader in the raisebore contracting and manufacturing industry, proudly serving clients since 1980 from our headquarters in Golden, Colorado. We are built on a foundation of innovation, integrity, and an unwavering commitment to excellence in everything we do. Our team is driven by a shared passion for precision and quality — and we bring that same standard to every aspect of our operations, including how we support and care for our people.

Step into a key support role at the heart of a well-established and respected industry leader. Subterranean Boring Inc. is seeking an organized, detail-oriented HR & Payroll Coordinator to join our team and help keep our people operations running smoothly.

In this role, you will be responsible for executing all payroll functions, supporting core HR processes, and assisting with light accounting activities. You will ensure accurate and timely payroll across multiple states, maintain employee records and compliance, and support onboarding, benefits administration, and financial tracking.

If you are someone who takes pride in accuracy, values confidentiality, and enjoys being the reliable backbone of a hardworking team, this role may be the perfect fit for you.

• Payroll Processing: Process biweekly payroll for all hourly and salaried employees across multiple states, including managing tax withholdings, validating timesheets, coordinating payroll changes, ensuring accurate deductions, and reconciling payroll reports.

• Onboarding & Offboarding: Coordinate new hire documentation, manage I-9 verification and compliance, maintain employment records, and handle offboarding, including final payroll and benefits termination.

• Benefits Administration: Administer employee benefits programs, manage enrollments and changes, act as liaison with benefit providers, and support open enrollment and employee inquiries.

• HR Compliance & Administration: Ensure compliance with applicable labor laws, assist with HR policy and employee handbook updates, and support audits and reporting as needed.

• Light Accounting Support: Assist with accounts payable, invoice processing, expense tracking, payroll-to-accounting coordination for job costing, and month-end credit card statement auditing.

• Employee Support: Serve as a knowledgeable and approachable point of contact for payroll and benefits questions across the organization.

• 3–5 years of payroll, HR, or related experience

• Experience with multi-state payroll preferred

• Familiarity with QuickBooks Payroll

• Basic HR compliance knowledge

• Proficient in Microsoft Excel and business systems

• Strong attention to detail with a high level of confidentiality

• Highly organized with the ability to manage multiple priorities and deadlines

• Discreet and trustworthy when handling sensitive employee and financial information

• Strong communicator who can support employees at all levels with professionalism and care

• Detail-oriented with a commitment to accuracy in every task

• Self-motivated and dependable with a team-first mindset

• Adaptable and comfortable working in a hands-on, fast-moving environment

• Competitive hourly rate of $28–$32, depending on experience

• Part-time (approximately 30 hours per week)

• Monday – Friday, 9:00 AM – 3:00 PM (flexible hours available)

• Opportunities for ongoing growth and development within the organization

Location: Golden, CO

Applicants may apply in one of the following ways:

• Directly on this job board by following the application instructions provided.

• Through our company's hiring portal at https://hirewithease.com/hire-with-ease-jobs-board/