Returning Candidate? Log back in! TEMP Operations Liaison Job Locations US-CA-Irvine ID 2026-47827 Company Mesa Energy Systems, Inc. Category Administrative Services Position Type Full-Time Location Type Onsite Posted Date 16 hours ago(1/28/2026 2:05 PM) 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 Operations Liaison will manage and streamline customer-facing administrative tasks. This role is essential in ensuring smooth communication with clients, maintaining accurate billing records, and keeping customers informed about service schedules and updates in their specific customer portals

Essential Duties & Responsibilities

• Serve as the bridge in communication between our customers, coordinators and their system portals
• Point of contact with clients regarding invoices and services.
• Provide timely updates to customers regarding service schedules, changes, and follow-ups.
• Manage and update customer billing portals with timely information
• Monitor payment statuses and kickbacks on outstanding invoices.
• Upload necessary documentation, reports and service-related records to customer portals
• Track and process NTE (Not to Exceed) increases
• Communicate with customers regarding approvals, ETA’s and communication in general on the status of work.
• Support resolving billing related service issues.
• Work with Billing, Coordinators and customers to bridge the gap in communication.
• Additional Admin related tasks that help streamline this communication and provide the customer with the most up to date information.
• Other duties as assigned

Qualifications

• High School Diploma preferred or equivalent experience
• 2 years' experience in an office environment.
• Microsoft Excel and Word experience required
• Strong oral and written communication skills
• Excellent organization and interpersonal skills
• Excellent customer service communications

 

#Mesa #LI-Mesa #LI-HVACjobs #LI-Onsite

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 Affirmative Action Policy

Please review our Affirmative Action Policy.

Notice to Prospective Employees Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list 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: $22 - $28 per hour

 

Benefits: We are committed 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.

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