Accounts Payable Manager Overview: System One is partnering with a client seeking an AP Manager who will be responsible for overseeing the full-cycle accounts payable function, ensuring accurate and timely processing of invoices, vendor payments, and e...

Senior Accountant/ Accounts Payable Manager Accounting: Prepare, review, and reconcile general ledger accounts and financial statements. Support month-end and year-end close, including journal entries and accruals. Assist with annual audits and ensure ...

Controller System One is partnering with a client seeking an experienced and strategic Controller to join their team and provide financial leadership and oversight across their portfolio of environmental and civil projects. The Controller will be respo...

Job Title: Staff Accountant Location: Tulsa, OK Type: Direct Hire Compensation: $68-75K/year Contractor Work Model: Onsite Accountant (Public Sector) Job Summary Under general direction, this role performs complex, professional accounting work involvin...

Senior Accountant System One is partnering with a client seeking an experienced Senior Accountant for a position based in Tulsa, OK. This position is responsible for the accounting of one or more companies and, like many positions within finance, will ...

Senior Accountant Location: Tulsa, OK-Onsite Type: Direct Hire Compensation: $70-90K/year System One is working with a well-established manufacturing organization to identify an experienced Senior Accountant to join their accounting team. This role sup...

Job Title: Sr. Accountant Location: Tulsa, OK Type: Direct Hire Compensation:$75-84K/year System One is working with a client seeking an experienced Accountant to perform complex, professional-level accounting work in a public-sector environment. This ...

Project Accountant Location: Tulsa, OK Travel: Regular domestic travel Type: Full-Time | Exempt Salary: $70,000–$90,000/year Job Summary System One is seeking an experienced Project Accountant to support multiple projects and ensure accurate billing, r...

Job Title: Senior Accountant Location: Tulsa, Oklahoma Type: Direct Hire Compensation: 85-95k/year Position Overview: System One is seeking a detail-oriented and motivated Senior Accountant to support general ledger activities, financial reporting, and...

Intercompany Billing Analyst Overview: System One is partnering with a client seeking a Billing Analyst who is highly motivated and detail-oriented to support high-volume AR and AP transactions between company subsidiaries. This role reports to the Acc...

Job Title: Accountant Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $75,000.00 - $95,000.00 Position Overview: System One is seeking an Accountant to perform a variety of accounting functions under the direction of the Controller. This role...

Senior Designer (Vapor Controls) Responsibilities Design and draft packaged, skid-mounted vapor control equipment using Plant 3D (Plant Pro) and Autodesk Inventor Collaborate with cross-functional project teams to develop accurate and efficient control...

Senior Accounts Payable Coordinator (Accounts Payable | AP Specialist | AP Analyst | Invoice Processing) Location: Sleepy Hollow, NY Employment Type: Contract Pay Rate: $46–$53/hour Work Model: Onsite Schedule: Monday–Friday | 8:00 AM–5:00 PM Industry:...

Underwriter (Contract-to-Hire) – On-Site in Tulsa or OKC Compensation: $80,000 per year A client is seeking an experienced Mortgage Underwriter for an on-site, contract-to-hire position based in either Tulsa or Oklahoma City. This role requires a stron...

Job Title: Accounts Payable Location: Newark, New Jersey Type: Contract - 6 months (possible extension) Compensation: $40 - $42.52 hourly Contractor Work Model: Hybrid (after getting trained) About the Role: Our client is seeking a detail-oriented and ...

Job Title: Accounts Payable Operations Manager Location: Sleepy Hollow, NY Type: Contract Compensation: $64.00 - $94.00 per hour Contractor Work Model: Hybrid Hours: 8 AM - 5 PM, Monday - Friday Responsibilities Support day-to-day Accounts Payable (A/P...

Job Title: Senior Accounts Payable Manager Location: San Rafael, CA (Hybrid – onsite Tuesdays and Thursdays) Hours/Schedule: Monday–Friday, 8 am to 5 pm Compensation: $90-100/hour DOQ Type: 6 month contract Overview The Senior Accounts Payable Manager ...

Job Title: IT Business Analyst Location: Tulsa, OK Type: Direct Hire Compensation: $105000 - $128000 annually Contractor Work Model: Hybrid JOB DESCRIPTION IT Business Analyst – Flexible Customer Payments General Summary The IT Business Analyst for the...

Job Title: IT Asset Management Specialist Location: Tulsa, Oklahoma Type: Contingency Compensation: $90,000.00 - $100,000.00 Contractor Work Model: Hybrid Hours: 40.0 Security Clearance: Not specified Overview The IT Asset Specialist is responsible for...

POSITION SUMMARY Successful candidates must be able to provide proof of ability to work in the U.S. without sponsorship. The MEP Superintendent is responsible for managing mechanical, electrical, and plumbing (MEP) field operations to ensure projects a...

System One is seeking a Staff Accountant – Accounts Payable to support a fast-paced, high-volume accounting environment. This role is responsible for full-cycle accounts payable processing, ensuring accuracy, compliance, and timely execution of financi...

Job Title: Senior Oil & Gas Accountant Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $85000 - $100000 Contractor Work Model: Hybrid Senior Oil & Gas Accountant We are seeking an experienced Oil & Gas Accountant to support general ledger acc...

Customer Data Operations Specialist (Hybrid) Pay: $19/hour Location: Tulsa, Oklahoma Schedule: Hybrid Position Overview System One is partnering with a client in Tulsa, Oklahoma to join their Customer Data Operations team. This role is responsible for ...

A BIM Technician will assist on all aspects of architectural documentation working within a multi-discipline project team of architects and engineers. This work will include architectural production work, such as drafting, 3D computer modeling and main...

Program Manager – Role Summary The Program Manager leads cross-functional initiatives within heat exchanger manufacturing operations. This role oversees complex customer programs from initial concept through final delivery, ensuring alignment with stra...

Civil PE System One is partnering with an architectural firm seeking a Civil PE Engineer here in the Tulsa area. Responsibilities include: Serve as the "right hand" to the principal in civil site development projects, managing the full project lifecycl...

MEP Manager Location: Tulsa, OK Type: Direct Hire | Onsite Mission Critical experiance Overview The MEP Manager oversees mechanical and electrical field operations to ensure projects are completed safely, on time, and within budget. This role leads MEP...

Permitting Coordinator The Permitting Coordinator assists with all aspects of tracking, organizing, and monitoring Building, Zoning, and Site permits from initial submittal through project closeout. This role works closely with the permitting team and ...

System One is seeking a detail-oriented and patient-focused Medical Collections Representative to join a reputable medical facility in Tulsa, OK. This role is responsible for managing self-pay patient accounts, ensuring timely collection of outstanding...

Job Title: IT Project Manager Location: Tulsa, OK Type: Direct Hire Compensation: $125,000 Contractor Work Model: Onsite JOB DESCRIPTION Plan, organize and manage resources to lead the completion of specific project goals supporting AI and Digital Tran...