System One is assisting a Tulsa client in search of a detail-oriented Financial Reporting Accountant to support accurate and timely financial reporting in compliance with GAAP/IFRS and internal standards. This role is ideal for professionals with stron...

SAP RTR Functional Lead System One is partnering with a client seeking an experienced SAP Finance expert to train and support their accounting/finance team during their SAP implementation. This contractor will provide hands-on guidance in SAP Finance—e...

Collateral Underwriter Responsibilities: Review and analyze collateral documentation to ensure compliance with agency and investor guidelines Evaluate property appraisals, title commitments, and other supporting documents for accuracy and completeness ...

Payroll Specialist Overview: System One is partnering with a client seeking an experienced Payroll Specialist to manage full-cycle, in-house payroll processing and ensure compliance with certified payroll requirements. This role supports payroll accura...

System One is currently seeking a detail-oriented and driven Staff Accountant. Job Summary: The Staff Accountant will play a key role in maintaining the financial records, ensuring accuracy and compliance with accounting standards and regulations. This...

System One is assisting a Tulsa company with a search for a Senior Tax Accountant. This position will report to the Tax Manager and work with a small, collaborative team that is growing. Will work a hybrid work schedule - 3 days in office and 2 days re...

Job Title: Accounting Clerk Location: Tulsa , Oklahoma Type: Contract Compensation: $18.00 - $23.00 hourly Contractor Work Model: Onsite System One is in search of an Accounting Clerk for a top-notch company in the Tulsa area. Qualified candidates will...

System One has partnered with a Tulsa-based oil & gas services group that is seeking an experienced Division Order Supervisor to lead ownership management, division order setup, and process improvement efforts across a diverse client portfolio. This po...

System One has partnered with a growing Tulsa-based accounting team that is looking for an Accounting Associate to support day-to-day accounting operations, system setup, and client service activities. This role is perfect for someone who is detail-ori...

Job Title: Accounts Payable (A/P) Clerk Location: Tulsa, OK Type: Contract (6–8 months minimum, potential extension depending on internal needs) Compensation: $40,000 – $45,000 annually Start Date: Mid-December About the Role: System One is seeking a d...

System One is assisting a client with a search for a financial professional interested in working at the corporate office in Tulsa, OK, as the financial liaison with their international locations. This is a great company with great people! Responsibili...

Job Title: Financial Accounting Manager Employment Type: Direct Hire, Exempt Work Schedule: 8:00am – 5:00pm, Monday – Friday Some flexibility: Could work 7:30am – 4:30pm, Monday – Friday Possible Hybrid once trained: 3 days in office / 2 days remote Sy...

Job Title: Financial Accounting Manager Employment Type: Direct Hire, Exempt Work Schedule: 8:00am – 5:00pm, Monday – Friday Some flexibility: Could work 7:30am – 4:30pm, Monday – Friday Possible Hybrid once trained: 3 days in office / 2 days remote Sy...

Job Title: Payroll Coordinator Location: Hershey, PA Type: Contract to hire Compensation: $30 hourly Contractor Work Model: Onsite Hours: Mon - Fri 8am -4pm This position reports to the Senior Plant Controller and supports approximately 750 hourly empl...

Job Title: Clinic Administrator Location: Tulsa, OK Type: Direct Hire Compensation: $50000 - $80000 annually Work Model: Onsite System One is seeking an experienced and self-motivated Clinic Administrator to oversee daily operations and support the con...

Job Title: Accounting Manager Location: Southeast Houston, TX Type: Direct Hire Compensation: $80,000 – $100,000 Work Model: Onsite Start Date: January 2026 One of our commercial and industrial construction clients is growing and looking to add an Acco...

System One is seeking a skilled I&E Engineer for an oil and gas client in the Tulsa area. The ideal candidate will possess the ability to read and interpret Piping and Instrumentation Diagrams (P&IDs) and have experience with process skids and OEM prod...

System One has partnered with a growing construction services firm that is seeking a hands-on Accounting Manager to oversee daily accounting operations and support corporate finance initiatives. This role is critical to maintaining accurate financials ...

System One is looking for a strong Technical/Business Analyst to join one of our partner's mortgage & loan teams. The ideal candidate must be experienced with Loan Origination Systems (LOS) in an enterprise setting. This role is located in Tulsa, Oklah...

Customer Service Representatives – Immediate Openings! Tulsa, OK (Onsite) | $18/hr. | Full-time, Contract Monday–Friday | 8:00 AM – 5:00 PM Contract through March 31, 2026 System One is hiring 2 Customer Service Representatives to join our client’s gro...

Job Title: Project Billing Accountant Location: Pittsburgh , Pennsylvania Type: Direct Hire Compensation: $52-55k pending experience Title: Project Billing Accountant SUMMARY: The Project Billing Accountant is responsible for providing billing support ...

Job Title: Administrative Assistant Location: Tulsa , Oklahoma Type: Contract To Hire Compensation: $17.50 - $20 hourly Contractor Work Model: Onsite System One is partnering with a local organization to find a reliable and detail-oriented Administrati...

System One has an exciting IT Support opportunity with a partner in the Tulsa, OK area. This position is a contract to hire opportunity requiring in-person, on-site work during normal business hours. Successful candidates must be able to provide proof ...

Job Title: Customer Service Billing Specialist Type: 12+ month Contract Compensation: $24/HR Contractor Work Model: Hybrid- Owings Mills, MD ALTA IT Services is staffing a contractor for a Customer Service Billing Specialist to support a leading health...

System One is seeking a mid- to senior-level Network Engineer for a long-term contract role. This individual will work closely with a team of experienced engineers and contractors to support and optimize enterprise networking infrastructure. Successful...

Sales Executive – Commercial Health Insurance Location: Tulsa, OK Employment Type: Full-Time | Onsite Compensation: $80,000 – $100,000 base salary + commission About the Role We’re seeking a motivated and relationship-driven Sales Executive to join our...

Job Title: Accounts Payable Clerk Location: Lakewood, NJ Type: Contract To Hire Compensation: $26.50 - $28.85 / hour Contractor Work Model: Onsite Hours: 8:30 AM to 5:00 PM Monday-Friday Accounts Payable Clerk Job Duties: Process invoices, matching to ...

Job Title: Process Engineer Location: Tulsa, Oklahoma Position Summary Serves as a resource to facilitate problem solving, assists all levels of employees and management in identifying waste and improvement opportunities, instructs on appropriate proce...

Senior Project Manager – Transmission & Distribution Engineering System One is seeking an experienced Senior Project Manager to lead critical Transmission & Distribution (T&D) infrastructure projects for our client. This is an exciting opportunity to h...

System One has partnered with a client who is growing their technical infrastructure team in the Tulsa, OK area. This client is seeking a Senior Network Infrastructure Engineer to work on-site to help lead the planning and implementation of network pro...