OFMS
  • ABOUT
    • PAUL RUDEWICK
    • BILL GRIFFITH
    • DANIEL MILAM
    • JAMES M. BIELLO
  • POWER & GAS
    • OFMS PRIVATE CLIENT
    • NMEC
    • NE2C
    • NREEC
    • NHEC
  • SUSTAINABILITY
    • AI Carbon Management
    • Renewable Solutions
  • DATA CENTERS
  • CAREERS
    • Open Positions
  • CONTACT US

Billing Specialist

LOCATION: CHICAGO, IL

​Job Description

Billing Specialists work hand-in-hand with the Portfolio Management team to ensure accurate and timely invoicing and the processing of incoming payments and paperwork.  The ideal candidate will undertake a variety of financial and non-financial tasks in order to help guarantee the company’s revenues.  Must have strong attention to detail and experience working in a fast-paced environment.

Key Responsibilities
  • Issue and post invoices and bills
  • Assume responsibility of receiving and sorting incoming payments with attention to detail
  • Update accounts receivable database with payments received and missed payments
  • Ensure all clients remain informed of outstanding invoices and due dates
  • Provide solutions to relative problems of clients
  • Write thorough reports on billing activity with clear and reliable data

Basic Requirements
  • Bachelor's degree in Finance, Accounting, or BA with minimum 3.5 GPA required
  • Minimum of 2 years work experience in a billing specialist position
  • Advanced working knowledge of Microsoft Office suite
  • Ability to demonstrate strong attention to detail and trustworthiness
  • Results driven and patient

Preferred Requirements
  • Able to successfully multitask, work towards extremely challenging goals, and persist in the face of obstacles
  • Able to effectively handle difficult requests, build long-term relationships with the business, and be able to manage expectations
  • Self-starter who thinks ahead, anticipates questions, finds alternative solutions, and identifies clear objectives
  • Strong analytical skills and organizational skills
  • Critical thinking, ability to suggest improvements and identify risks
  • Able to adapt to changes and new challenges
  • Able to communicate effectively and maintain a high level of confidentiality
  • Able to demonstrate accuracy, good judgment, initiative and discretion in business related transactions
  • Experience in deregulated power and gas industry preferred, but not required

ABOUT OPTIMAL FACILITY MANAGEMENT SOLUTIONS, LLC ("OFMS")
​

OFMS is a leading managed institutional commodities firm that provides energy risk management services to large energy users spending greater than $5 million/year on power and gas.  Founded in 2009, the firm is headquartered in Chicago.

​To apply, please send your resume and cover letter to contact@optimalfms.com
© 2025 OPTIMAL FACILITY MANAGEMENT SOLUTIONS, LLC
  • ABOUT
    • PAUL RUDEWICK
    • BILL GRIFFITH
    • DANIEL MILAM
    • JAMES M. BIELLO
  • POWER & GAS
    • OFMS PRIVATE CLIENT
    • NMEC
    • NE2C
    • NREEC
    • NHEC
  • SUSTAINABILITY
    • AI Carbon Management
    • Renewable Solutions
  • DATA CENTERS
  • CAREERS
    • Open Positions
  • CONTACT US