Payroll Specialist

Who is GeoStabilization International®?

GeoStabilization International® (GSI) develops and installs innovative solutions that protect people and infrastructure from the dangers of geohazards. We specialize in emergency landslide repairs, rockfall mitigation, and grouting, using cutting edge design/build and design/build/warranty contracting. GSI is the leading geohazard mitigation and bridge rehabilitation firm operating throughout the United States, Canada, and Australasia. Our expertise, proprietary tools, and worldwide partnerships allow us to repair virtually any slope stability or foundation problem in any geologic setting.

Our Culture

At GSI, our culture is about being nimble but strong, fast-paced while team oriented, innovative, data-driven, and most importantly, client-focused. Our work is best suited for individuals who are driven to succeed, make well-informed decisions, act courageously, remain resilient when challenges arise and always strive to deliver on our commitments. Everyone working at GSI is a representation of pride, integrity, hard work, skill and overcoming challenges. GSI’s team includes some of the brightest and most dedicated professionals in the geohazard mitigation industry. We are an ever-evolving group of dedicated, hardworking individuals who aren’t afraid of going the extra mile to get the job done.

Benefits

• Great medical, dental, and vision insurance options with additional programs available when enrolled
• Mental health benefits
• 401(k) plan to help save for your future including company match
• In addition to 7 observed holidays, salaried team members have flexible paid time off, hourly team members receive 10 days paid time off per year
• Paid parental leave

Payroll Specialist, this role is not transactional.

You are enabling financial accuracy, regulatory compliance, and employee trust at scale. This role is designed for someone with strong analytical horsepower, obsessive attention to detail, and the discipline to run clean, audit-ready systems in a complex construction environment. You’ll help evolve how GSI manages payroll across multiple states, unions, benefit plans, and project types. For the right person, this role has runway into broader finance or operations leadership. 

What You Will Own 

End-to-End Payroll Execution 

• Execute and audit weekly, multi-state payroll with speed, accuracy, and full compliance 

• Review employee timecards and manage exceptions, including union and prevailing wage requirements 

• Produce certified payroll reports for funded projects in partnership with Project Management 

• Maintain job wage setups and validate against federal, state, county, and local wage determinations 

Payroll Governance & Compliance 

• Ensure compliance with wage and hour laws, payroll tax regulations, and reporting requirements 

• Coordinate benefit deductions (401(k), Roth, garnishments, etc.) with Finance and HR 

• Support year-end processes including W-2 preparation and distribution across jurisdictions 

• Maintain clean, auditable records of time, approvals, and wage assignments 

Build for Scale 

• Identify and implement improvements in payroll accuracy, automation, and reconciliation 

• Support system enhancements and integrations, including Viewpoint and acquired entities 

• Create and maintain SOPs, process documentation, and proactive risk controls 

What We’re Looking For 

Must-Have Qualifications 

• Bachelor’s Degree in Accounting, Finance, HR, or a related discipline 

• 3+ years of hands-on payroll execution experience across multiple states 

• Strong working knowledge of payroll tax, wage and hour, and labor compliance 

• Proven ability to research and apply prevailing wage determinations 

• Advanced Excel proficiency and experience with ERP/payroll systems (Viewpoint a plus) 

• High attention to detail, deadline discipline, and data integrity 

• Absolute discretion handling sensitive employee and compensation data 

Nice to Have 

• Union and certified payroll experience 

• Construction industry payroll exposure 

• Payroll certifications (FPC, CPP preferred) 

• Year-end processing ownership 

• M&A or system integration experience 

GeoStabilization International, LLC. is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.

This role will be in-office on a hybrid schedule. Employees will be expected to work in the Westminster, CO office 3 days per week on Tuesday, Wednesdays, and Thursdays.

The expected base pay range for this position in the Denver, CO area is $63,000 - $79,000. Salary ranges are dependent on a variety of factors, including qualifications, experience and geographic location. Range is not inclusive of potential bonus or benefits.