Senior Estimator - Commercial HVAC

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 Senior Estimator will provide technical assistance in support of the sales department. Provide technical support to the sales team throughout the preconstruction/pre-sales process, including job walks, design & build scope development, proposal writing, budgeting, estimating, project schedule preparation, value analysis, regulatory compliance, material takeoff and labor hours for all types of construction delivery methods involving HVAC systems retrofit, major service repair, piping, and sheet metal. Review construction documents and/or prepare sketches on the proposed retrofit solution and prepare the final estimate package to ensure accuracy and completeness before formal proposal submission.

Essential Duties & Responsibilities

• Actively gather information for each estimating job by talking directly with the account manager, the end user, the engineering team, the estimating team, vendors, and/or other sources of information.

• Ability to interpret field conditions to determine project direction and to provide costs associated with large-scale mechanical retrofit projects without the use of drawings, plans, or specifications.

• Will submit written scopes of work, project scheduling, engineering solutions that comply with regulatory agencies, and estimating, including conceptual estimates, project delivery methods, construction economic and accounting principles, and operational leadership focusing on synergistic harmony between departments and processes.

• Generate sales and Excel spreadsheets that are complete and accurate for the project and that comply with Title 24.

• Perform constructability and code compliance reviews of the proposal, estimate, design documents, or engineered solution and effectively document and communicate constructability and risk concerns.

• Understand and have a working knowledge of the California Mechanical Code and local municipal codes.

• Compile thorough and detailed lists of qualifications, clarifications, and exclusions to communicate our budget assumptions to the client effectively.

• Prepare accurate replacement equipment list, sheet metal, piping, and labor estimates.

• Obtain scopes of work and pricing from subcontractors and suppliers.

• Assist with pricing change orders.

Qualifications

• Mechanical Engineering degree or equivalent experience.

• 10+ years of Estimating, Engineering, Construction Management, or Business Management experience required.

• 4+ years’ experience with HVAC design and building construction.

• Knowledge of the practical application of mechanical engineering, including redline-designs, design techniques, plans and specifications and the RFQ & RFP process for the budgeting and bidding of retrofit projects.

• Thorough knowledge of the mechanical retrofitting of commercial buildings, hospitals, data centers, K-14, and universities, including energy projects that involve integration, DDC, engineering, commissioning, M&V, and energy analysis.

• Knowledge of materials, methods, and tools involved in the mechanical retrofit of commercial buildings.

• Have competent technical knowledge of the construction means and methods of mechanical construction, including retrofit projects, budgeting, engineering redline designs, scheduling, phasing, and planning.

• Ability to plan, organize, coordinate, direct, and control all aspects of the bidding process.

• Self-starter, strong work ethic, get-the-job-done attitude, and overall team player.

• Ability to work with the customer to find mutually satisfactory solutions to complex issues.

• Ability to work with management and various skilled & unskilled salespeople, professional, administrative, and industry personnel.

• Proficient in Microsoft Excel, PowerPoint, Project, and Word.

• Excellent communication skills – verbal and written.

#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 ourAffirmative Action Policy ( .

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: $135,000 - $155,000 per year

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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Job Locations US-CA-San Leandro

ID 2026-49358

Company Mesa Energy Systems, Inc.

Category Operations Services

Position Type Full-Time

Location Type Hybrid

Posted Date 2 months ago (4/14/2026 7:17 PM)