Accounting & Office Assistant

Plumbing Specialists, Inc. (PSI) is a family-owned commercial plumbing company based in Arvada, Colorado. We’ve been in business for nearly 30 years and work on projects you probably see every day, from restaurants and grocery stores to hotels, gas stations, and multifamily developments.

We’re looking for an Accounting & Office Assistant to support the day-to-day accounting and administrative work that keeps our projects and office running. This is a hands-on role with exposure to bookkeeping, billing, project records, and general office operations, with room to take on more over time.

What You’ll Do

• Assist with data entry and bookkeeping tasks in QuickBooks, including entering bills, invoices, and other financial records
• Work across Accounts Payable, Accounts Receivable, billing, employee timekeeping, and expenses
• Keep financial, project, and office records organized and up to date
• Follow up with suppliers, customers, and team members to gather information and resolve questions or discrepancies
• Handle general office and administrative needs as they come up
• Assist with project coordination

What We’re Looking For

• Previous experience working in a professional office or administrative environment
• Quick learner who is comfortable picking up new systems and responsibilities
• Strong work ethic and reliability
• Strong attention to detail and follow-through
• Honest, trustworthy, and comfortable handling company and financial information
• Resourceful, with good problem-solving skills
• Clear and professional communication
• Able to work in person from our Arvada office

Experience with QuickBooks and Excel is preferred, but not required. Bookkeeping, accounting support, or construction experience is a plus.

Benefits

Full-time employees are eligible for:

• Health, Dental, and Vision Insurance
• 401(k)
• Paid Vacation

Pay: $20–$23 per hour, depending on experience.

Application deadline: October 23, 2026

Applications will be reviewed as they’re received.