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Billing Specialist

EKI Environment & Water Inc
locationIrvine, CA, USA
PublishedPublished: 10/8/2026
Full Time

COMPANY OVERVIEW

EKI Environment & Water, Inc. (EKI) is an employee-owned, full service, engineering and environmental sciences consulting firm serving private- and public-sector clients throughout the United States. If you are interested in improving the environment and advancing your career, then EKI is the place for you.


The Billing Specialist position reports to the Senior Accountant and is responsible for providing accounting support across company operations.


PRINCIPAL DUTIES & RESPONSIBILITIES

Your responsibilities may include, but will not be limited to the following:

  • Build strong relationships and serve as a trusted advisor to Project Managers through the life cycle of the project from notice of award to final closeout
  • Set up and maintain projects in Deltek Ajera in accordance with contract requirements; read and interpret contracts for accounting and invoicing implications
  • Generate 125 – 175 invoices per month
  • Prepare and distribute monthly billing reports to Project Managers; process labor and expense transfers as necessary; ensure labor and expenses posted to project comply with the contract
  • Ensure that accurate and complete invoice packages are submitted to the client in a timely manner including all applicable back-up required by the client
  • Respond to internal and external clients promptly in a confident and professional manner; investigate issues, problem-solve and communicate resolution clearly and articulately
  • Follow-up with clients to confirm receipt of invoices and regarding payment status of open invoices as needed; partner with Project Manager to resolve collection issues
  • Monitor project Work-in-Progress (WIP) and review monthly aged WIP report with Project Manager; collaborate with Project Manager to resolve issues around aged WIP
  • Other duties as required


    • QUALIFICATIONS & REQUIREMENTS

    Education

  • Bachelor’s degree in Accounting and/or Finance


    • Knowledge, Skills & Abilities

  • Minimum of two (2) years of billing experience for consulting business
  • Proficiency in MS Suite (Outlook, Teams, Excel [pivot tables], Word, PowerPoint, etc.)
  • Experience with Deltek Ajera and Deltek Vantagepoint preferred


    • Competencies

  • Must have effective communication skills both oral and written
  • Must have a strong attention to detail and ability to follow through
  • Must be a self-starter and prioritize workload
  • Must have ability to multi-task, stay organized, work independently, and collaborate with various project teams
  • Must have a strong desire to grow personally as well as professionally
  • Must have a great attitude and eager to learn
  • Must have a current valid driver’s license


    • PHYSICAL DEMANDS & WORK ENVIRONMENT

      Must be able to work in a fast-paced environment with high-volume workload and frequent short deadlinesMust be able to lift up to 25 lbsMust be able to work 10-hour daysMust be able to work remaining in a stationary position, often standing or sitting for prolonged periodsMust be able to communicate with others to exchange informationMust be able to assess the accuracy, neatness and thoroughness of the work assigned


    TRAVEL REQUIREMENTS

    • Must be able to travel occasionally, possibly overnight for customer meetings and site visits 1 to 2 times per year.


    As an employee-owned firm, EKI offers a unique company culture with a corporate commitment to maintaining a positive work/life experience. EKI provides excellent compensation and comprehensive benefits packages, including career advancement opportunities, outstanding training opportunities, incentive compensation including bonuses, retirement benefits through an Employee Stock Ownership Program (ESOP) and 401(k) profit-sharing contributions, and group medical, vision, and dental benefits.


    EKI Environment & Water, Inc is an equal opportunity employer. All qualified applicants will receive consideration without regard to: race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, genetic information, national origin, age (40 or older), disability, marital status, political affiliation, or military service.






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