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Billing Specialist

Mansfield Oil Company
life insurance, parental leave, paid time off, paid holidays, sick time, tuition reimbursement, 401(k)
United States, Texas, Houston
Nov 10, 2025

Mansfield Service Partners is looking for a Billing Specialist for our Houston, TX location. The Billing Specialist is responsible for the final steps of the invoice process, reviewing quoted pricing, and entering customer invoices in portals, mailing/emailing invoices, and processing credit and rebills.

Responsibilities

Billing

  • Interpret quotations and contract pricing
  • Prepare, review, and submit invoices for Marine fuel, lubricants, or equipment in accordance with contract terms and delivery documentation
  • Process invoices daily to meet required metrics
  • Collaborate with operations, dispatch, and sales teams to resolve billing discrepancies and ensure timely approvals
  • Create and distribute invoices through mail, email, portals
  • Maintain full documentation of processes and procedures

Credit and Rebills

  • Evaluate and audit invoice correction requests
  • Execute requested changes and process credit and rebill invoices
  • Track and report on monthly corrections
  • Follow approval process, complete required forms

Other Duties as Assigned

Formal Education & Certification

  • High School Diploma

Knowledge & Experience

  • Proficiency with Microsoft Office products
  • Experience serving both internal and external customers a plus
  • Proficiency in PDI software
  • Experience with customer invoicing portals

Qualifications & Characteristics

  • Excellent written and verbal skills
  • Strong attention to detail and a high level of accuracy
  • Ability to work independently and prioritize multiple tasks in a fast-paced environment

Work Environment

  • 40-hour on-site work week
  • Sitting for extended periods of time
  • Dexterity of hands and fingers to operate a computer keyboard, mouse, power tools, and other computer components

Benefits

  • Comprehensive benefit package (health, dental, vision, Company paid: Life insurance, STD and LTD)
  • 401(k) plan with company match
  • Paid Time Off that includes vacation days, sick leave, 8 paid holidays, 2 floating holidays and a paid day for volunteering at a non-profit agency
  • Parental Leave
  • Tuition Reimbursement
  • Insurance Discount Programs
  • Chaplain Program

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

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