Accounting Assistant I, II, III, or Senior

Job Description

The Senior Accounting Assistant supports the Accounts Payable function by ensuring accurate and timely processing of invoices and payments, while maintaining vendor relationships. This role also supports compliance and contributes to the integrity of financial records to enabling efficient business operations.

Note

There is one position available and the position will be filled at one of four job grade levels: Accounting Assistant (Accounts Payable) I, job grade 1; Accounting Assistant (Accounts Payable) II, job grade 2, Accounting Assistant (Accounts Payable) III, job grade 4; or Senior Accounting Assistant (Accounts Payable), job grade 5. This decision will be based on the qualifications and experience of the candidate selected, 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, Health Savings Account (HSA), Flexible Spending Accounts (FSA), Tuition Reimbursement, Flexible Work Schedules including compressed work week and telecommuting opportunities to work remotely up to 40%, Life Insurance, 401K, Long Term Disability (LTD), Short Term Disability (STD), Employee Assistant Program (EAP) and Paid Leave Benefits.

Senior Accounting Assistant (Accounts Payable)

Hiring Salary Range: $63,000-$76,000

Accounting Assistant (Accounts Payable) III

Hiring Salary Range: $56,000-$68,000

Accounting Assistant (Accounts Payable) II

Hiring Salary Range: $46,000-$54,000

Accounting Assistant (Accounts Payable) I

Hiring Salary Range: $41,000-$48,000

Actual compensation offer to candidate may vary outside of the posted hiring salary range based upon work experience, education, and/or skill level.

Responsibilities

- Process and verify invoices for completeness and duplicates, submit for approval

- Process payments according to payment terms and approval of invoices

- Follow up on unmatched items, invoices without adequate backup and un-invoiced items.

- Reconcile vendor statements and resolve discrepancies

- Investigate invoices that are beyond predefined payment terms.

- Calculate appropriate use tax accruals for appropriate items.

- Coordinate Communication of AP policies and procedures both internally and externally.

- Monitor month end close process with AP team.

- Assist AP Manager with annual 1099 process.

- Request current data for vendor records.

- Provide back up as requested to other accounting assistants.

- Perform Accounting corrections for GL String/POET

- Perform check runs and maintenance.

- Monitoring and managing daily AP status to ensure invoices are processed timely and prompt pay discounts are taken.

- Responsible for more high level of complex activities.

- Monitor new vendor and vendor maintenance process.

- Monitor vendor payment method internally and externally.

- Assist with Special Projects assigned by AP Manager

- Maintain compliance with all company policies and procedures and attain knowledge and remain knowledgeable of regulations, laws, standards, and best practices applicable to functional area.

- Because Tri-State has an obligation to provide continuous, reliable electric service to its customers, the ability to work overtime at any time of the day or week is considered an essential function of the job.

- OTHER DUTIES AND RESPONSIBILITIES

- Perform other related duties as assigned

- SUCCESS FACTORS/JOB COMPETENCIES:

- Planning: ability to think ahead and plan within timelines and resources; develop scopes, plan and schedule work; set priorities and goals; anticipate and adjust for problems; evaluate workloads; measure and evaluate performance against established goals.

- Time management: ability to successfully plan and implement objectives within established timelines and work schedules.

- Ability to analyze problems and develop effective solutions at both strategic and functional levels.

- Demonstrate behavior consistent with company values.

- Excellent interpersonal and communication skills.

- Strong team player accomplishes tasks by working with others and being a good team player. Recognizes how his/her decisions may impact others; seeks input from others.

- Computer proficiency in operating a personal computer and standard business office applications including Microsoft Office suite, databases, and other related applications.

- Ability to work independently, with minimal direction as a highly motivated self-starter.

- Must demonstrate flexibility to adjust output and goals as needs of Tri-State and AP department evolve and shift.

- Excellent team skills as the role is a key member of the leadership team of AP department.

- Leadership skills

Qualifications

Education and Training

- Associate degree in accounting or related area, or equivalent combination of education and/or experience.

Knowledge, Skills, And Ability

- Strong working knowledge of accounting methods and procedures.

- Working knowledge of personal computers and spreadsheets software.

- Ability to perform detail work with high degree of accuracy.

- Ability to maintain effective working relationships.

- Ability to communicate effectively, both verbally and in writing.

- Oracle Fusion experience preferred

About Us

Tri-State is a wholesale power supply cooperative, operating on a not-for-profit basis, with 43 members, including 40 utility electric distribution cooperative 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 more than a million electricity consumers across nearly 200,000 square miles of the West.

Tri-State was founded in 1952 by its member systems to provide a reliable, cost-based supply of electricity. Headquartered in Westminster, Colo., approximately 1,200 people are employed by Tri-State across five states.

Tri-State's electricity is generated from coal, natural gas and hydropower, with a rapidly increasing supply generated from wind and solar. Tri-State delivers power to its members through a transmission system that includes substation facilities, telecommunications sites and over 5,700 miles of high voltage transmission lines. Tri-State's transformative Responsible Energy Plan is reducing emissions, increasing renewable resources, developing new energy services and delivering more flexibility for its members.

Job Identification:

534

Job Category:

Finance and Accounting

Posting Date: 2025-12-19T15:53:56+00:00

Job Schedule:

Full time

Hiring Salary Range:

$41,000-$76,000

Locations:

1100 W 116th Ave, Westminster, CO, 80234, US

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status.