Mechanical Engineer III

EMCOR Group; West Sacramento (CA); On-site; USD 115,000 - 130,000; Full time

Job summary

Mesa Energy Systems, Inc. is a full-service HVAC and building automation contractor in West Sacramento, CA, seeking an experienced engineer to contribute to schematic generation, surveys, and mechanical design improvements.

The role emphasizes independent surveys, energy calculations, and coordination of engineering resources, with a strong focus on HVAC systems and control sequences to achieve project goals.

Qualifications

• Bachelor’s degree in mechanical engineering is required.
• 5+ years of engineering and design experience.
• PE license, or in the process of obtaining PE licensure.
• Proficiency with permitting submittal requirements in the mechanical field.
• Proficient with AutoCAD, MS Office Suite, and related software.
• Demonstrated proficiency with energy simulation software and energy management concepts.
• Solid understanding of HVAC systems and components and control sequences.

Responsibilities

• Generate detailed schematics for HVAC systems per guidelines.
• Perform job site surveys and propose design solutions and sequencing.
• Conduct audits and surveys; record equipment data; trace piping and ductwork.
• Convert field surveys into usable plans and select replacement/retrofit equipment; use AutoCAD to develop plans.
• Develop engineered mechanical solutions; coordinate and quality-check outsourced engineering resources; prepare permit documents; perform load and energy calculations.
• Refine standard design practices and document supporting materials for future projects.

Skills

5+ years of engineering and design

PE licensure

HVAC concepts

Permitting submittals

Energy management concepts

Spreadsheet proficiency

Education

Bachelor’s degree in mechanical engineering

Tools

AutoCAD

MS Office

Energy simulation software

Job description

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.

Essential Duties & Responsibilities

• Perform various tasks assigned by Senior Engineers and the Engineering Manager/Director.
• Generate detailed schematics for HVAC systems based on instructions and pre-established guidelines.
• Ability to independently conduct job site surveys with a complete understanding of the project's intent and be able to analyze and propose design solutions and installation sequencing.
• Ability to independently conduct audits and surveys as needed. Record identifying equipment function, tags, location, capacities, photos, etc. Trace piping and ductwork onto field notes.
• Convert field surveys into usable formats for plan and project development. Select the size of replacement/retrofit/new equipment to replace aged or obsolete equipment. Use AutoCAD to develop plans.
• Developing ability to independently recommend engineered mechanical solutions and designs, coordinate and quality check outsourced engineering resources, determine and process utility incentives, prepare permit documents for mechanical projects, perform load and energy calculations, and other engineering duties.
• Participate in the company’s project improvement process by refining standard design practices, calculating spreadsheet templates, updating and establishing standard procedures and practices, and collecting supporting documentation for various projects to be references for future projects.

Qualifications

• Bachelor’s degree in mechanical engineering.
• 5+ years of engineering and design experience.
• PE license, or in the process of obtaining PE licensure.
• Be proficient with Permitting submittal requirements in the Mechanical field.
• Computer savvy, with advanced knowledge of computers and handling software. Proficient with AutoCAD, MS Office Suite, and other related software applications.
• Demonstrated proficiency with energy simulation software. Developed understanding of energy management concepts.
• Developed understanding of HVAC Systems and Components (Hot Water, Chilled Water, Condensing Water, Chillers, Fans, Heat Pumps, etc.). Increasing awareness of control sequences, optimal start/stop, PID loop control, and programming.

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

Affirmative Action Policy

Please review ourAffirmative Action Policy (https://emcorgroup.icims.com/icims2/servlet/icims2?module=AppInert&action=download&id=125196&hashed=-2134526997).

Geographic Disclosure

Compensation Range: $115,000 - $130,000 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

Job Locations

US-CA-West Sacramento

ID

2026-50967

Company

Mesa Energy Systems, Inc.

Category

Engineering

Position Type

Full-Time

Location Type

Onsite

Posted Date

3 months ago (7/7/2026 12:36 PM)

Email a Friend Email a Friend

Software Powered by ICIMS (https://icims.help/candidate-faq)