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...

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...

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: 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: Accounting & Finance Manager Location: Jenks, Oklahoma Type: Direct Hire Compensation: $90,000.00-$100,000.00 Work Model: Onsite – onsite Hours: 40.0 Overview A growing mid-sized organization is seeking a highly capable and hands-on Accounti...

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...

Overview We are seeking a skilled and customer-focused Technical Support Analyst II to provide advanced technical support to end-users. This role serves as the escalation point for complex issues that cannot be resolved at the Tier I level. The ideal c...

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...

Job Title: Network Administrator Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $75,000.00 Work Model: Onsite – onsite Responsibilities Design, install, configure, and maintain LAN, servers, workstations, printers, and other hardware within ...

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: 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: 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...

Archaeology Field Technician (Entry–Mid Level) Position Overview We are seeking motivated Archaeology Field Technicians to support cultural resource management (CRM) projects across multiple locations. This role involves hands-on archaeological fieldwo...

Job Title: Archaeological Field Technician Location: Oklahoma City, Oklahoma Type: Contract Compensation: $20 - $27 hourly Archeology Field Technician - Job Description: The archaeological field technician will perform archaeological field work, lab wo...

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...

Technical Accounting Leader (CPA required) Location: Bellevue, WA (Onsite) Pay Rate: $69 - $115 per hour Position Type: Long term - Contract Position Overview System One is seeking an experienced Technical Accounting Leader to support a complex and gro...

Job Title: Mechanical Engineer Job Description In this position the qualified candidate will be responsible for the design and implementation of new ultrasound probe repair technologies and improving upon existing processes and capabilities. A typical ...

Job Title: Cocoa FP&A Analyst Location: Hershey, Pennsylvania Type: Contract Contractor Work Model: This is a remote U.S.-based opportunity; however, due to the reporting structure and regular interaction with a manager in Switzerland, availability dur...

System One is partnering with a well-established specialty clinic in Tulsa that is seeking a Medical Assistant to join their team. This is a full-time, temp-to-hire position with the potential for long-term employment. Compensation: $17–$20 per hour, d...

Job Title: Archaeological Field Technician Location: Norman, Oklahoma Type: Contract Compensation: $20 - $27 hourly Archeology Field Technician - Job Description: The archaeological field technician will perform archaeological field work, lab work, or ...

Job Title: Senior Accountant Location: Anchorage, Alaska Type: Contract Work Model: On-site – onsite Responsibilities • Lead and execute the monthly close per the fuels business closing calendar. • Prepare and post recurring and ad hoc journal entries ...

Job Title: Tactical Buyer II Location: Merrit Island, Cape Canaveral and Melbourne/ FL Type: Contract / On-site Compensation: $46 to $61 per hour Overview System One is seeking a Tactical Buyer to support procurement operations for government contract ...

Job Title: Cost Accountant Location: Ewing, New Jersey Type: Contract Compensation: $25 - $32 hourly Work Model: Hybrid – Tuesday, Wednesday, and Thursday onsite Hours: Mon - Fri, 8:30am - 4:30pm (37.5 hours weekly) Overview: Seeking a detail-oriented ...

Job Title: Billing Specialist Location: Sugar Land, Texas Type: Contract-to-Hire Contractor Work Model: On-site Hours: Monday - Friday, 8-5 Company Overview An established personnel services company is looking to add two contract-to-hire Billing Specia...

Job Title: Buyer II Location: Kent, WA Type: Contract / On-site Compensation: $70 per hour System One is seeking a Buyer to support a leading aerospace client in Kent, WA. This role is responsible for managing supplier relationships, procurement activi...

Job Title: Sales Representative – Business Consultant Location: Honolulu, HI About the Role: Our client, a global leader in the fintech and payments space, is seeking a dynamic Sales Representative / Business Consultant to join their team. In this role...

Job Title: Risk Analyst Location: Vienna, VA - 3 days onsite, 2 days remote Type: Contract Compensation: W-2 negotiable Work Model: Hybrid – onsite and remote Hours: 40 hrs a week Security Clearance: Full background check, criminal - credit - fingerpri...

Job Title: Freelance Inventory Strategy & Clearance Planner Location: Pittsburgh, Pennsylvania Type: Contract Work Model: Hybrid – onsite and remote Hours: 40.0 hours per week Overview This freelance role focuses on developing and executing strategic i...

Are you a strategic supply chain leader who thrives in a fast-paced manufacturing environment? Do you enjoy turning complexity into clarity and building systems that balance cost, quality, delivery, and growth? If so, we want to hear from you. We’re lo...