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...

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 ...

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...

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 ...

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...

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...

Now Hiring: Medical Assistants | Tulsa, OK System One is hiring Medical Assistants for a specialty clinic in Tulsa! This is a temp-to-hire opportunity with a great team that is looking to bring someone on quickly. Pay: $17–$20/hr (DOE) Schedule: Full-T...

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...

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...

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: Project Coordinator Location: Tulsa , OK Type: Direct Hire Compensation: $55000 - $65000 annually Contractor Work Model: Onsite Hours: Monday- Friday normal business hours The Project Coordinator supports the Continuous Quality Improvement (...

Job Title: Building Automation Technician Location: Tulsa, OK This role requires a mix of technical skills, problem-solving abilities, and knowledge of various building systems. It's a critical job for ensuring buildings operate efficiently and sustain...

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...

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: Executive Administrative Assistant Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $70,000.00 - $90,000.00 System One is seeking a highly organized and detail-oriented Executive Administrative Assistant to support senior leadership...

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,...

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...

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: 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...

Document Control Specialist (Contract Only 4-6 months) Location: Tulsa, Oklahoma Type: Contract Contractor Work Model: Onsite Responsibilities Manage, organize, and maintain all technical documentation to ensure compliance with internal processes and e...

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: 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...

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...

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...

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...

Job Title: Stationary Engineer (Weekends) Location: Tulsa, OK Overview System One is seeking a skilled and dedicated Stationary Engineer to oversee and maintain our client's critical mechanical systems during weekend shifts. This full-time, non-exempt ...

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...

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 ...

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...