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 ...

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...

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 ...

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: Engineer Staff, Sr - Power Location: Tulsa, Oklahoma Overview System One is seeking a Senior Staff Power Engineer to play a key role in shaping the future of electrical reliability and safety across major natural gas and petrochemical operat...

System One is partnering with a local company in search of a Sr. Architectural Document QA / QC Leader Location: Tulsa, Oklahoma WHAT YOU’LL DO… With projects nationwide serving a broad market, every day brings a new measure of professional challenge a...

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...

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...

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...

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...

System One is seeking a detail-oriented and patient-focused Self-Pay 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 outstandin...

E&I Technician – Mill We are working with a client seeking a skilled Instrumentation & Electrical (E&I) Technician to support mill operations by ensuring reliable, efficient, and safe performance of all electrical and control systems. This role offers ...

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...

Seeking a CONTRACT Expediter (4-6 months) to support production, supply chain, and quality requirements by ensuring critical parts, materials, and work orders move efficiently through the manufacturing process. This role is a hybrid desk + shop-floor p...

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...

Senior QA/QC Manager Location: Tulsa, OK Type: Direct Hire Work Model: Onsite Position Summary The Senior QA/QC Manager leads and directs project quality activities across assigned construction projects. This role supports the Project Manager, Superint...

Position Overview A skilled CADWorx Drafter is needed to support pipeline, facilities, and mechanical design projects within the midstream and industrial sectors. The drafter will produce accurate 2D and 3D models, detailed drawings, and construction d...

As a Low Voltage Project Manager, you will play a pivotal role in overseeing the successful completion of Low Voltage installation projects on time and within budget. You will be responsible for: Developing comprehensive project plans and schedules Dir...

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...

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...

System One is seeking a detail-oriented and self-motivated Insurance Follow-Up Representative to support a respected medical facility in Tulsa, OK. This role is responsible for resolving outstanding insurance claims by working directly with payers, ide...

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...

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 ...

Job Description: A proactive, detail-oriented, and self-motivated sales professional is needed to help lead the Northeast U.S. equipment sales effort. In this role, the Regional Sales Manager will call on upstream, midstream, and downstream operators—p...

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 Profile Summary Lead and participate in all aspects of the software development lifecycle to configure and customize solutions for our client's Enterprise Asset Management platform, Hexagon-EAM. Responsibilities may include, but are not limited to,...

Job Title: Systems Engineer II Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $80000 - $95000 annually Contractor Work Model: Onsite JOB DESCRIPTION PRIMARY FUNCTION The Systems Engineer II will perform under the direction of the Engineering...

Job Title: AI Consultant Location: Tulsa, Oklahoma United States Type: Contract Compensation: $180,000.00 Contractor Work Model: Hybrid Hours: 40.0 Security Clearance: Not specified Responsibilities Use scaled agile disciplines to transform around iter...

Bilingual Enrollment Clerk (English/Spanish) – Contract Location: Tulsa, OK Agency: System One – Hiring for a Non-Profit Organization Pay: $18.50/hour Hours: Onsite, M-F, 8:00 AM – 5:00 PM Start Date: ASAP Contract End Date: August 31st (may vary depen...

Job Title: Stationary Engineer III Location: Tulsa, Oklahoma This position reports directly to the Manager of Central Plant Operations and is responsible for performing routine and emergency tasks involving the operation, maintenance, and repair of hea...