Payroll Specialist I, II, III or Senior
Tri-State Generation and Transmission
Westminster, CO · Posted October 2, 2026
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Where Westminster, CO ranks
Where Westminster, CO placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #2Best all-round cities for mid-career professionals in the Mountain West62 / 100 · of 11
- #3Best cities for pay after cost of living in the Mountain West$143k · of 11
- #5Cities with the most jobs that need no experience in the Mountain West1.6% · of 18
- #5Best cities for mid-career professionals in the Mountain West59% · of 19
- #6Best all-round cities for AI careers in the Mountain West48 / 100 · of 11
- #7Best cities for software and engineering jobs in the Mountain West137 openings · of 22
Rankings about finance jobs
- Best cities for finance jobs #1 New York (1,932 openings)
- Best cities for finance pay after cost of living #1 San Mateo ($162k)
- Most requested AI skills in finance jobs #1 AI tools in daily work (4.3%)
- AI tools named most often in finance jobs #1 Claude (0.55%)
- Employers with the most finance jobs #1 Amazon (475 roles)
How AI is used in this kind of work
AI use among compensation, benefits, and job analysis specialists is little observed so far. Measured exposure for compensation, benefits, and job analysis specialists: 6% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
The Senior Payroll Specialist performs advanced payroll processing, compliance, reconciliation, and problem resolution activities to support accurate and timely payroll operations. This role serves as the most senior operational specialist within payroll and works closely with the Payroll Analyst and Payroll Manager to support payroll execution, issue resolution, and operational readiness. The Senior Payroll Specialist independently handles the most complex payroll transactions, performs payroll testing activities, and provides functional guidance and support to Payroll Specialists while remaining focused on operational excellence rather than formal team leadership.
Note : There is one position available, and this position will be filled at one of four job grade levels: Payroll Specialist I; job grade 4; Payroll Specialist II, job grade 5; Payroll Specialist III; job grade 6 or Senior Payroll Specialist; job grade 7. This decision will be based on the qualifications and experience of the selected candidate and Tri-State business needs at the time of hire.
Tri-State recognizes the value of a highly engaged and committed workforce and provides an excellent benefits program that includes : Medical Insurance, Dental Insurance, Vision Insurance, Flexible Work Schedules including compressed work week and telecommuting opportunities to work remotely up to 40%, Health Savings Account (HSA), Flexible Spending Accounts (FSA), Tuition Reimbursement, Life Insurance, Retirement Option, Long Term Disability (LTD), Short Term Disability (STD), Employee Assistant Program (EAP) and Paid Leave Benefits.
Senior Payroll Specialist
Hiring Salary Range: $80,000-$99,000
Payroll Specialist III
Hiring Salary Range: $72,000-$88,000
Payroll Specialist II
Hiring Salary Range: $64,000-$79,000
Payroll Specialist I
Hiring Salary Range: $58,000-$70,000
Actual compensation offer to candidate may vary outside of the posted hiring salary range based upon work experience, education and/or skill level.
Perform advanced payroll processing activities, including complex adjustments, off‑cycle payments, retroactive transactions, manual checks, reversals, and special payments, ensuring accuracy and compliance with established deadlines.
Review and maintain employee payroll master data, including tax withholdings, direct deposit updates, deductions, and benefit‑related changes, validating transactions initiated through employee or manager self‑service workflows.
Prepare, review, and support federal, state, and local payroll tax filings, quarter‑end activities, year‑end processing, W‑2 reporting, and other required payroll compliance submissions.
Research and resolve complex payroll issues involving tax treatment, garnishments, overpayments, final pay, leave impacts, and multi‑jurisdiction requirements.
Prepare and review payroll liability reconciliations, balancing activities, funding support, and payroll‑related accounting outputs to ensure results are accurate and complete.
Run, review, and interpret payroll audit reports and exception reports to identify discrepancies requiring correction or escalation.
Perform payroll system, tax update, interface, and process‑change testing by executing test scenarios, validating results, documenting outcomes, and escalating issues as appropriate.
Serve as a senior functional resource for Payroll Specialists by providing guidance, coaching, and technical support related to payroll processes, controls, and issue resolution.
Partner with Payroll Analysts, HR, Benefits, Finance, and other functional areas regarding payroll inputs, deductions, reporting, and issue resolution.
Support payroll operational readiness by providing backup coverage for critical payroll activities and assisting with year‑end and special payroll cycles as needed.
Maintain payroll procedures, documentation, and audit support files to strengthen internal controls, consistency, and compliance.
Maintain compliance with company policies and applicable payroll regulations, laws, standards, and best practices.
Because Tri‑State is an electric utility with continuous service obligations to its customers, regular, reliable, and predictable performance of the essential functions and responsibilities is an essential function of the job including the ability to work overtime as needed.
OTHER DUTIES AND RESPONSIBILITIES
Lead or support complex payroll operational projects, testing efforts, and process improvements as assigned.
Provide advanced operational support during year‑end activities, audits, and special payroll cycles.
Serve as backup support for critical payroll functions as needed.
Perform other related duties as assigned.
Education and Training
Associate’s degree in Accounting or related discipline; advanced coursework or continued professional development preferred, or an equivalent combination of education and experience.
Knowledge, Skills, and Ability:
Advanced knowledge of payroll processing, payroll tax requirements, reconciliations, and internal controls.
Strong knowledge of payroll systems, interfaces, and testing activities.
Advanced proficiency in Excel, payroll systems, and payroll reporting tools.
Ability to independently resolve the most complex payroll issues and transactions.
Ability to perform payroll system and tax update testing and validate results.
Ability to provide senior‑level technical guidance and operational support to payroll staff.
Ability to exercise strong judgment, prioritize work, and maintain confidentiality.
Experience:
Eight (8) or more years of progressive payroll experience, or an equivalent combination of education and experience. Note : The above requirements describe the experience and education qualifications for the Senior Payroll Specialist. Those with less experience will be hired at the I, II or III job grade level.
Other:
Willingness to provide advanced operational support during critical payroll cycles, audits, and system changes.
Commitment to continuous professional development to maintain deep payroll expertise and operational excellence.
Flexibility to adapt to regulatory, system, or business changes affecting payroll operations.
DESIRED JOB QUALIFICATIONS
Advanced knowledge of payroll compliance, internal controls, and complex reconciliations.
Experience supporting payroll audits, system testing, or process improvements.
Certified Payroll Professional (CPP) preferred.
Tri-State is a wholesale power supply cooperative, operating on a not-for-profit basis, with electric distribution cooperatives and public power district members in four states: Colorado, Nebraska, New Mexico and Wyoming. Together with its members, Tri-State delivers reliable, affordable and responsible power and energy services to nearly a million electricity consumers across roughly 200,000 square miles of the West.
Founded in 1952 by its member systems to provide a reliable, cost-based supply of electricity, Tri-State is now headquartered in Westminster, Colo., employing approximately 1,000 people across five states.
Tri-State's electricity is generated from coal, natural gas, hydropower, wind, and solar. This power reaches members via a transmission system that includes substation facilities, telecommunications sites and almost 6,000 miles of high voltage transmission lines.
As a member-owned and -governed cooperative, every member has a voice and an equal vote in the future of Tri-State.