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Job Title: Accounts Payable (A/P) Clerk

Type: Contract (6–8 months minimum, potential extension depending on internal needs)

Compensation: $40,000 – $45,000 annually

Start Date: Mid-December

About the Role:

System One is seeking a detail-oriented Accounts Payable (A/P) Clerk to support one of our Tulsa-based clients. This is a contract role with an expected duration of 6–8 months, with the possibility of extended opportunities as the company approaches a major system implementation in 2026.

In this position, you will handle day-to-day A/P responsibilities while internal teams focus on long-term projects. This role requires strong Excel capabilities and the ability to work efficiently with invoice templates and uploads—not just basic data entry.

Key Responsibilities:

+ Process Accounts Payable invoices with accuracy and timeliness

+ Handle non-op JIB (Joint Interest Billing)—primarily reviewing and paying invoices

+ Download and organize account information for invoice processing

+ Upload invoice batches using preformatted templates

+ Maintain financial records and documentation

+ Support the accounting team with various A/P tasks as needed

Qualifications:

+ Previous A/P experience required

+ Experience with JIB or non-op JIB preferred

+ Strong proficiency in Microsoft Excel (templates, uploads, organized data handling)

+ Ability to manage deadlines and prioritize tasks

+ Strong attention to detail and organizational skills

Additional Details:

+ This role will support ongoing operations while the company evaluates new financial systems (currently evaluating Enertia)

+ Position is fully onsite

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #208-Rowland Tulsa

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.