Tulsa, OK 74146 • (42.6 miles) • Full Time • 10/15/2026

AR / Billing Specialist Tulsa, OK (Onsite) Contract-to-Hire $20–$24/hour (DOE) System One is hiring an AR/Billing Specialist for a client in the Tulsa area with strong, hands-on experience in Accounts Receivable and billing. This role is AR-heavy and ideal for someone who can hit the ground running in a fast-paced environment.Responsibilities:Process invoices and manage Accounts ReceivableApply payments and resolve billing discrepanciesFollow up on past-due accountsMaintain accurate AR records and aging reportsRequirements:1+ years of AR and/or billing experienceNo degree requiredStrong attention to detail and organizationOnsite availability required System One, and its subsidiaries including Joul, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workf

Tulsa, OK 74137 • (44 miles) • Full Time • 10/11/2026

ADVANCE YOUR CAREER WHILE SAVING LIVESMAKE AN IMPACT EVERY DAYLocation: Tulsa, OKSalary: Competitive salary based on education and/or experience plus $500 bonus after 6 months and $1,000 bonus after 1 year!Benefits: Health, dental, vision, life insurance, long term disability, 401(k), paid-time off, $5,000 annual tuition reimbursement, holiday pay, etc.Days: Monday through Friday; some weekendsHours: 8:00 a.m. to 5:00 p.m.; may varyJoin our Tulsa, OK team as a Donor Services Operations Manager and play a vital role in ensuring successful blood collection operations throughout our mobile blood drive program. In this leadership position, you'll guide and support supervisors and donor services staff while helping us achieve our collection, quality, financial, compliance, and customer service

Tulsa, OK 74146 • (42.6 miles) • Full Time • 9/29/2026

Job Title: Temp Billing Coder Location: Tulsa, OK Type: Contract Compensation: $18.00 - $20.00 per hour Work Model: Onsite Hours: Monday-Friday, 8:00 AM - 5:00 PM Security Clearance: Not specifiedResponsibilitiesReview patient charts, records, and supporting documentation for completeness and accuracy Assign accurate medical codes for hospital surgeries and Interventional Radiology services Ensure all coding is current, active, and compliant with applicable regulations Identify and report missing, incomplete, or insufficient documentation Perform accurate charge entry and coding updates Apply appropriate modifiers and ensure correct coding of provider documentation Follow federal, state, payer, and commercial coding guidelines Maintain confidentiality and compliance with HIPAA regulations