System One is hiring two contractors for a valued client in Downtown Tulsa. These are immediate openings expected to last approximately 4 months, supporting a busy department during a special project. Schedule: Monday–Friday, 8:00 AM – 5:00 PM Location...

We are seeking a strong ERP focused Business Analyst II to join a growing manufacturing partner of ours here in Tulsa. This role is heavily focused on projects, features, and upgrades. We are looking for experience in JD Edwards and Dynamics. Successfu...

Job Title: Strategic Sourcing Specialist Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $70-85k Contractor Work Model: Onsite – onsite Hours: 40.0 Job Summary The Strategic Sourcing Specialist supports residential construction projects by id...

Job Title: Process Design Engineer Location: Tulsa, OK Work Model: Onsite Hours: Onsite 5 days M-F 8am-5pm Responsibilities Size and specify equipment such as pumps, blowers, compressors, pressure relief valves, and heat exchangers Develop P&ID’s, data...

System One is assisting a small CPA firm seeking a hands-on Tax Manager to lead tax preparation and compliance. This role focuses on preparing and reviewing individual and business returns (60% individual / 40% business), managing workflow, improving p...

Enrollment Specialist (CONTRACT Opportunity) Location: Tulsa, OK Monday–Friday | 8:00 AM – 5:00 PM | Onsite 7- month Contract Assignment Pay Rate DOE: $18-20/hr. System One is hiring an Enrollment Specialist for a contract opportunity with a respected ...

Front Desk Receptionist Tulsa, OK $22.00+/hour (DOE) Full-Time | Temp-to-Hire Opportunity System One is currently seeking a professional and dependable Front Desk Receptionist for a valued client in the Tulsa area. This position is ideal for someone wh...

Job Title: Senior Accountant Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $75,000.00 - $85,000.00 Contractor Work Model: Onsite Position Summary A growing manufacturing organization is seeking an experienced Senior Accountant to support it...

Job Title: HR Manager Location: Tulsa, OK Type: Direct Hire Compensation: $100-130K Contractor Work Model: Onsite – onsite System One has partnered with a growing manufacturing organization in their search for an experienced Human Resources Manager to ...

Job Title: Controller Location: Tulsa, OK Type: Direct Hire Compensation: $110,000 - $140,000 Contractor Work Model: Hybrid – onsite and remote System One has partnered with a growing and established manufacturing organization assisting them in their s...

Job Title: Medical Biller Location: Tulsa, OK Type: Contract To Hire Compensation: $18-23/hr Work Model: Onsite Hours: 40.0 Responsibilities Prepare, review, and submit electronic and paper claims to insurance companies. Verify claim accuracy and ensur...

Job Title: Insurance Follow Up Rep Location: Tulsa, OK Type: Contract To Hire Compensation: $17-22/hr Work Model: Onsite – onsite Hours: 40.0 Responsibilities Follow up on unpaid, denied, or underpaid insurance claims with commercial, government, and m...

Job Title: Authorization Rep Location: Tulsa, OK Type: Contract To Hire Compensation: $17-20/hr Work Model: Onsite Hours: 40.0 Security Clearance: none Responsibilities Obtain prior authorizations and pre-certifications for medical procedures, diagnost...

Job Title: Business Systems Analyst Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $110,000.00 - $120,000.00 Contractor Work Model: Hybrid – onsite and remote Hours: 40.0 Security Clearance: Not specified Overview We are seeking a detail-ori...

Job Title: Accounting Assistant Location: Tulsa, OK Type: Contract To Hire Compensation: $22-26/hr Work Model: Onsite Hours: 40.0 Security Clearance: Not specified Responsibilities Support the day-to-day financial operations of the organization, includ...

Job Title: HR Coordinator Location: Tulsa, OK Type: Contract To Hire Compensation: $18-25/hr Work Model: Onsite Hours: 40.0 Security Clearance: N/A Responsibilities Assist with the recruitment process, including posting jobs, scheduling interviews, con...

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...

BIM Technician Location: Tulsa Team: Architecture Education: Associates degree in AutoCAD and / or Revit or equivalent work experience - 1-3years experience SUMMARY A BIM Technician assists in all aspects of architectural documentation working within a...

System One is working with a local company to find a Sr Project Engineer. Project Engineer Take the lead on high-level development projects, serving as the primary technical authority throughout the sales and execution lifecycle Respond to advanced cus...

System One is working with a local client to find a Sourcing Specialist. Strategic Sourcing Specialist The Strategic Sourcing Specialist improves the supply chain and purchasing operations of a company. This role works closely with suppliers and vendor...

Job Title: AP Specialist Location: Catoosa, OK Type: Direct Hire Compensation: $49,000-$56,000 Contractor Work Model: Onsite Hours: 40.0 Overview The Accounts Payable Specialist is a salaried, on-site role responsible for supporting the organization’s ...

Job Title: Archaeological Field Technician Location: Tulsa, Oklahoma Type: Contract Compensation: $22 - $27 hourly Contractor Work Model: Onsite Hours: Add the job’s scheduled days and times (delete if not needed) Security Clearance: List security clea...

Job Title: Power BI Developer Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $95,000.00 - $105,000.00 Work Model: Onsite – onsite Must be US Citizen or Green Card Holder - No C2C! Position Summary The Business Intelligence (BI) Developer is ...

Job Title: Application Developer Location: Tulsa, Oklahoma Work Model: Onsite Responsibilities Provide application support and maintenance for mobile payment platforms, ensuring system uptime and performance. Troubleshoot and resolve production inciden...

Job Title: Software Engineer Location: Tulsa, Oklahoma Type: Direct Hire Compensation: Work Model: Onsite Hours: 40.0 Overview We have partnered with a growing manufacturing company in Tulsa, OK that is seeking a qualified Software Engineer to add to t...

Office Administrator (Contract) Downtown Tulsa, OK $18.00–$20.00/hour Paid Weekly Contract Assignment | Immediate Start through March 2027 System One is hiring Office Administrators for a long-term contract opportunity with a respected company in downt...

Global Director of Procurement & Sourcing Location: Tulsa, OK We are seeking an accomplished and forward-looking Global Director of Procurement & Sourcing to lead a critical function at the intersection of commercial strategy, operational execution, an...

System one is looking for a mid level RPA Developer to join a great company based in the Tulsa, Oklahoma area! Must have experience with UIPath and Orchestrator. This is a remote opportunity that may require travel. Successful candidates must be able t...

Job Title: Senior Oil & Gas Accountant Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $90000 - $120000 Contractor Work Model: Hybrid Senior Oil & Gas Accountant We are seeking an experienced Oil & Gas Accountant to support general ledger acc...

System One is partnering with a local client to find a Strategic Sourcing Specialist A results-driven Strategic Sourcing Specialist is responsible for optimizing supply chain and procurement operations by developing sourcing strategies, negotiating ven...