Senior Office Administrator: Payroll & Compliance

Colonial Group; Boise (ID); On-site; USD 46,000 - 61,000; Full time

Benefits offered by this job

Bonus program

Job summary

Colonial Group in Boise, ID seeks an experienced Office Administrator to manage payroll for 500+ field workers, process payables, and support project teams. The role requires strong communication, organization, and problem-solving skills within a construction-adjacent environment.

The position reports to the Branch Manager and offers an annual salary range of $45,600–$61,000 with a non-guaranteed bonus program. Experience with union compliance and MS Office is essential.

Qualifications

• Minimum 7 years of office administration experience.
• Experience with accounts payable and payroll is required.
• Strong oral and written communication skills.
• Strong customer service skills.
• Strong organization skills and attention to detail.
• Critical thinking and problem-solving skills.
• Proficient with Microsoft Excel and Word.

Responsibilities

• Accurately process weekly payroll for 500+ field workers.
• Review and submit subsistence pay, sick time, and additional allowances.
• Maintain union compliance across multiple crafts/trades.
• Handle branch filing (paper and electronic).
• Process weekly and monthly certified reports for applicable jobsites.
• Process travel and expense requests.
• Assist in contract management (contracts, insurance, etc.).
• Support Branch Manager, Project Managers and Estimators as needed.
• Communicate with superintendents, union representatives and corporate departments to aid worker inquiries.

Skills

Payroll processing

Accounts payable

Teamwork

Communication

Customer service

Organization

Problem-solving

Attention to detail

Time management

Tools

Microsoft Excel

Microsoft Word

Microsoft Office Suite

Job description

Colonial Group in Boise, ID seeks an experienced Office Administrator to manage payroll for 500+ field workers, process payables, and support project teams. The role requires strong communication, organization, and problem-solving skills within a construction-adjacent environment.

The position reports to the Branch Manager and offers an annual salary range of $45,600–$61,000 with a non-guaranteed bonus program. Experience with union compliance and MS Office is essential.