Accounting Administrator

**About Us** We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. **Job Summary** The Accounting Administrator will ensure that the company's Branch Level accounting functions run accurately and effectively. **Essential Duties & Responsibilities** + Monitor operation review and ready for billing status regional service orders daily + Proper problem code review, revenue recognition coding, budget entry, and visit summary information for completeness prior to billing. + Determine accuracy of billing detail lines. + Place service orders on billing preparation hold for negative margin review, missing material, non-billable items on a billable call, and/or labor worked greater than labor charged. + Data entry in COINS (OA) for billing rates, material mark-up, exclusions and update specific customer information in regional billing schedules. + Support the Service Ops team to review billing detail lines prior to generating daily draft invoices. + Secondary contact for billing related issues. + Respond to service requests to re-open SO's for additional billing. + Weekly report of consolidated billing issues to regional team for service orders not billed. + Resolve billing issues with the Dispatch team. + Perform ad hoc reporting requests as needed + Review 3rd party billing notifications received in email (Coupa, Corrigo and Service Channel) and provide invoices on request. + Void/Credit and Rebill service order invoices as requested by service ops teams. + Assist in invoice submission requests to expedite collections process as needed. + Other duties as assigned. **Qualifications** + Bachelor's degree in accounting/finance or equivalent experience. + Customer Service, administrative or accounting experience preferred. + Proficient computer applications such as MS Word, Excel, and TEAMS. COINS experience is a plus. + Must be analytical, detail oriented, and have organizational skills. + Excellent communication skills. **Equal Opportunity Employer** As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled **Notice to Prospective Employees** Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companieslist open positions here ( . Please check our available positions to confirm that a post or email is genuine. EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCOR's normal application process - it is probably fraudulent. **Geographic Disclosure** **Compensation Range: $20 - $25 per hour** **Benefits:** We arecommitted to providing employees a comprehensive benefits package which includes medical, dental, and vision coverage, along with health savings and flexible spending accounts, life insurance, disability, a 401(k) Savings Plan, College Coach and employee assistance program. \#Mesa \#LI-Mesa \#LI-HVACjobs \#LI-Onsite Email a Friend Email a Friend **Job Locations** _US-CA-Bakersfield_ **ID** _2025-5454_ **Company** _Mesa Energy Systems, Inc._ **Category** _Accounting/Finance_ **Position Type** _Full-Time_ **Location Type** _Remote_ **Posted Date** _5 hours ago_ _(11/19/2025 7:25 PM)_