Billing Specialist

Harris Miller Miller & Hanson Inc. (HMMH), a nationally recognized leader in environmental and technical consulting since 1981, supports federal agencies and contractors in managing environmental impacts across aviation, defense, energy, and other federally funded projects. We specialize in noise and vibration, air quality, and sustainability studies, assessments, and mitigation.

We are seeking a full-time, hourly Billing Specialist for a hybrid remote role based at our Anaheim, CA office. Responsibilities include processing invoices, managing collections, generating and following up on invoices, and documenting collection activities.

The ideal candidate will be accurate , reliable, detail-oriented, and possess strong math, organizational, and computer skills, including intermediate MS Excel. This is an excellent opportunity for a proactive professional who thrives in a collaborative environment.

Key Responsibilities:

• Generate invoices promptly and ensure they comply with contract terms. 
• Issue invoices and deliver them to customers via available channels (e.g., email and client websites). 
• Follow up on outstanding invoices and record collection efforts in the accounting system. 
• Ensure timely collection of payments. 
• Record cash receipts accurately. 
• Complete Disadvantaged Business Enterprise documentation. 
• Respond to client inquiries regarding invoices. 
• Send payment reminders and contact customers when necessary. 
• Issue periodic customer account statements. 
• Perform other duties as assigned. 

Minimum Requirements:

• Associate degree or higher in accounting or a related field. 
• Minimum of 3 years of experience in an A/E billing environment. 
• Strong spreadsheet skills and proficiency in Microsoft Excel. 
• Ability to communicate effectively with clients regarding billing matters. 
• High level of accuracy in processing numerical data. 
• Strong critical thinking and problem-solving skills. 
• Experience in an architecture and engineering environment preferred. 
• Experience with Deltek Vantagepoint or Vision preferred. 

Location:

• Anaheim, CA

HMMH offers competitive salaries, a comprehensive benefits package, and a positive work atmosphere. Our firm provides opportunities for professional development and career growth for dedicated and strong performers. HMMH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, national origin, veteran status, genetic information, or any other status protected by applicable law. HMMH is committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities and other protected needs in employment, its services, programs, and activities. To request reasonable accommodation, contact us through our website at