Mechanical Design Engineer

Senior Mechanical Engineer
Location: San Jose, CA

Industry: Mechanical Construction / Design-Build (HVAC, Plumbing, Piping)
About the Role

We’re seeking a Senior Mechanical Engineer to lead the design and execution of complex mechanical systems across large-scale commercial and mission-critical projects. This individual will play a key role in bridging engineering design with construction execution, working closely with project managers, BIM/VDC teams, and field operations to deliver high-quality, efficient systems.
This is a high-impact position ideal for someone who enjoys both technical design and real-world application within a fast-paced design-build environment.
Key Responsibilities

Engineering & Design Leadership
Lead the design of HVAC, plumbing, and piping systems for commercial, industrial, and mission-critical projects (data centers, healthcare, etc.)
Perform load calculations, equipment selection, and system sizing
Develop construction documents, specifications, and engineering reports
Ensure designs meet applicable codes, standards, and client requirements

Project Execution
Collaborate with project managers to align engineering deliverables with project schedules and budgets
Support design-build efforts, including value engineering and constructability reviews
Interface with clients, architects, GCs, and subcontractors throughout the project lifecycle
Provide engineering support during construction, commissioning, and project closeout

Coordination & Collaboration
Work closely with BIM/VDC teams to develop coordinated 3D models (Revit/Navisworks)
Participate in coordination meetings and resolve clashes across disciplines
Mentor junior engineers and support team development

Quality & Innovation
Drive continuous improvement in engineering processes and standards
Identify opportunities for energy efficiency, sustainability, and system optimization
Stay current with emerging technologies in HVAC and mechanical systems

Qualifications
Bachelor’s degree in Mechanical Engineering (or related field)
7–12+ years of experience in mechanical engineering within MEP, design-build, or mechanical contracting environments
Strong experience with HVAC system design (airside and hydronic systems)
Proficiency in Revit, AutoCAD, and coordination tools like Navisworks
Experience working on large-scale commercial, healthcare, or mission-critical projects
Strong understanding of applicable codes (ASHRAE, IMC, etc.)
Excellent communication and project coordination skills

Preferred:
PE license (or ability to obtain)
Experience in design-build or contractor-led environments
Exposure to fabrication-level detailing or field coordination
What You’ll Get
Competitive base salary + performance-based bonus
Comprehensive benefits (medical, dental, vision)
401(k) with company match
Opportunities for career growth into technical leadership or project management
Exposure to cutting-edge projects (data centers, advanced manufacturing, healthcare)
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