Mechanical Engineer

Job Description

Summary
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A well-established mechanical and plumbing contractor is seeking a Mechanical Design Engineer to support the design and engineering of commercial HVAC and mechanical systems throughout Southern California. This role works closely with project management, estimating, BIM, and field teams to develop practical, constructible solutions from preconstruction through installation.

This is a strong fit for someone with HVAC or building mechanical systems design experience who wants to work in a design-build environment and stay closely connected to the construction side of projects.

Key Responsibilities
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* Design and develop HVAC and mechanical systems for commercial construction projects
* Perform heating and cooling load calculations, equipment sizing, and system selections
* Develop mechanical plans, specifications, schedules, and supporting calculations
* Support design-build and design-assist projects from early concept through construction
* Coordinate mechanical systems with plumbing, electrical, architectural, and structural disciplines
* Work closely with BIM/VDC teams on system layouts, coordination, and constructability
* Review drawings, submittals, equipment selections, and technical documentation
* Assist with value engineering and alternative system evaluations
* Coordinate with project managers, estimators, field teams, clients, and design partners
* Provide engineering support throughout construction, commissioning, and project closeout

Requirements
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* 3-6 years of mechanical engineering or HVAC design experience
* Experience designing HVAC systems for commercial, healthcare, institutional, industrial, or similar building projects
* Strong understanding of HVAC equipment, ductwork, hydronic systems, and building mechanical systems
* Experience with load calculations, equipment selection, and mechanical system design
* Experience working with AutoCAD and/or Revit
* Familiarity with applicable mechanical codes and energy requirements
* Design-build or mechanical contractor experience strongly preferred
* Ability to coordinate effectively with BIM, project management, and field construction teams
* Bachelor's degree in Mechanical Engineering or related field preferred
* EIT or PE license is a plus

Compensation \& Benefits
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* Competitive base salary
* Medical, dental, and vision insurance
* 401(k) with company match
* Paid holidays and PTO
* Employee-owned company environment
* Stable backlog of major Southern California projects
* Long-term growth within a well-established mechanical contractor