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Project Assistant

Mesa Energy Systems, Inc.
San Leandro, CA Full Time
POSTED ON 11/2/2025 CLOSED ON 1/1/2026

What are the responsibilities and job description for the Project Assistant position at Mesa Energy Systems, Inc.?

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:
This person will support the pre-construction design build team, project implementation team and act as a resource for administrative tasks.
Essential Duties & Responsibilities:
  • Project Booking – receive bid documents from sales team & generate new project packets for the project implementation team.
  • Coordinate “kick off” meetings with Sales & Implementation teams
  • Take meeting minutes for design-build projects.
  • Project Billing- Manage all project billing (Schedule of Values, progress billing, etc.).
  • Manage distribution and update of plans & CD’s to teams as directed.
  • Make follow-up phone calls to Design team members who are non-responsive.
  • Generate status updates on active projects.
  • Manage cost invoicing from vendors & subcontractors based on project manager requirements. Ensure cost gets posted to our internal accounting system.
  • Generate subcontracts per job requirements.
  • Perform routine clerical duties – setting up new files, maintaining and organization of department files, reproducing documents, drawings, etc. for bid process and design production.
  • Generate Purchase orders & assist with price matching with vendors.
  • Create O&M (Close-out) docs per customer requirements.
  • Work with Project teams to generate change orders & deductive change orders.
  • Assist Retrofit Manager with warehouse management processes.
Qualifications:
  • Pursuing college degree or equivalent work experience.
  • Experience taking detailed meeting minutes.
  • 2 years’ experience in back-office support.
  • Effective communications skills and ability to work well with a team.
  • Detail oriented, logical, and methodical approach to problem solving.
  • Excellent organizational skills.
  • Scheduling and planning experience.
  • Strong proficiency with Microsoft Office and Adobe Acrobat.
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 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: $ 32 - 34 per hour

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Salary : $32 - $34

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