Job Title: Estimator Location: Spartanburg, South Carolina Type: Direct Hire Compensation: $80,000.00 - $130,000.00 Contractor Work Model: Onsite – onsite Responsibilities Analyze blueprints, specifications, and site conditions to develop detailed cost...

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...

Civil PE Engineer System One is partnering with an architectural firm seeking a Civil PE Engineer here in the Tulsa area. Responsibilities include: Design and manage projects involving water/sewer upgrades, lift stations, gravity-fed systems, water tow...

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...

Civil Intern Engineer System One is partnering with an architectural firm seeking a Civil Intern Engineer here in the Tulsa area. Responsibilities include: Assist in civil engineering site development projects, gaining hands-on experience in the field ...

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...

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...

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...

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...

Job Title: Mail Clerk Status: Hourly, Full-Time, Temporary Location: In Office (Tulsa, OK) Pay: $18.50/hour Duration: May 25 through approximately October–December OVERVIEW This position supports a large-scale benefits distribution operation by ensurin...

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...

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...

System One has an opportunity with a company based in Tulsa, OK that is looking for a strong Network Engineer whos experienced with Cisco products, strong documentation skills, and is thorough in their troubleshooting techniques. Successful candidates ...

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: Infrastructure Engineer Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $105,000.00 - $125,000.00 Contractor Work Model: Onsite – onsite Hours: 40.0 Overview System One is partnering with a stable organization in East Tulsa seeking...

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...

System One has an exciting Saas Developer/Architect opportunity with a partner in the Tulsa, OK area. Successful candidates must be able to provide proof of ability to work in the U.S. without sponsorship. This position is not open to corp-to-corp, sub...

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...

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 looking for Cable Tech's in the Tulsa area to join a partner of ours! This role is hands on and requires experienced techs that have worked with Cat 5/Cat 6 & fiber. Experience in splicing cables and fiber is a plus! Key Responsibilities:...

Wealth Management Operations Specialist Job Summary: The Wealth Management Operations Specialist I is responsible for transactional processing supporting Wealth Management accounts within the trust and/or bond accounting systems. This role ensures the ...

Job Title: Revenue Accountant Location: Tulsa, Oklahoma Type: Direct Hire Compensation: $65,000-$85,000.00 Job Summary The Revenue Accountant is responsible for ensuring accurate and timely processing of oil and gas revenues for both operated and non-o...

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...

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 ...

System One is assisting an established and growing Tulsa client with a search for a Controller. The Controller will work directly with the company president providing financial and operational information and recommendations. Competitive salary and ben...

Job Title: Estimator-Data Center Construction Location: Houston, Texas Type: Contract Compensation: $64 - $98/hr +(depending on experience) Contractor Work Model: Onsite Overview We are seeking an experienced Estimator to support a growing Data Center ...

System One is assisting a Tulsa company with the search for a Process Improvement and Compliance Accountant. The successful candidate will be a hands-on accounting professional who brings a great attitude, strong attention to detail, and a “see it / fi...

Job Title: Customer Service Agent Location: Tulsa, Oklahoma Type: Contract To Hire Compensation: $17.00 - $20.00 Contractor Work Model: Onsite Hours: 40 hours weekly Job Summary The Customer Service Agent I provides professional and timely support to c...

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...

Temporary FP&A Analyst Support Position Overview System One is partnering with a client seeking a highly technical FP&A Analyst to join their Finance team on a long-term contract basis. This role is execution-focused and designed for someone who thrive...