Staff Mechanical Design Engineer, EPC

Redwood Materials

San Francisco, California

Full Time

Posted May 8, 2026

$188k - $248k

Energy Storage

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Job Description

Redwood Materials is hiring for a Staff Mechanical Design Engineer to join our Engineering, Procurement, and Construction team.

Key Responsibilities

Serve as Mechanical Engineer of Record on projects (Hazardous occupancy, clean and dry spaces, chemical process / industrial plants), responsible for mechanical / plumbing deliverables (specifications, calculations, permit / construction documents).
Design ownership for a wide range of mechanical and plumbing systems including, but not limited to: industrial/non-potable water, HVAC systems (labs, offices, industrial plants), process heating / cooling systems humidifiers, dehumidifiers, abatement systems (dust collectors, scrubbers), cooling towers, fans/pumps, plumbing, etc.
Review conceptual designs from developing Engineers and identify technical and financial risks.
Responsible for designing/reviewing mechanical engineering deliverables with respect to code compliance and ensuring design maintains the highest level of quality.
Develop and improve project workflows and standards to ensure each design is consistently excellent.
Participate in on-field construction and commissioning activities by serving as the point of contact for technical questions and real-time issue resolution.
Multi-discipline collaboration on the development of equipment general arrangements, P&IDs, isometrics, tie-in lists and material takeoffs.
Travel to project site and meetings as needed.

Requirements

Bachelor’s Degree in Mechanical Engineering or an equivalent discipline.
Licensed Professional Engineer with NCEES record with ability to apply for NV and SC
7+ years of work experience in HVAC and Plumbing/FP design.
Expert familiarity with ICC including International Energy Conservation, Mechanical, Plumbing and Fire Protection Codes, NFPA standards, SMACNA duct construction standards, ACGIH Ventilation Practices and ASHRAE
Working knowledge of designing the following equipment types: condenser fluid heat rejection systems, chillers, boilers, air handling units, air and water source heat pumps, dust collectors, humidifiers, dehumidifiers, fans, and pumps.
Working knowledge or experience with the following is preferred: Abatement systems (thermal oxidizers, dry and wet scrubbers), Heat Exchangers (shell/tube, plate/frame, brazed fin), Control Valves and Instrumentation, and Heat Recovery Systems.
Working knowledge of writing sequences of operation for HVAC and chilled water systems.
Ability to specify ductwork material and size for various ducted exhaust systems and pressure classes.
Ability to specify pipe material and size for various thermal hydronic systems.
Ability to create or edit construction specifications covering mechanical, process piping and plumbing systems.
Proficient in the use of Revit and AutoCAD. Experience sourcing and specifying mechanical equipment and executing RFP process.
Strong experience with engineering software packages: Pipe-Flo (or other hydraulic modeling application), Caesar II, AspenTech applications and/or Applied Flow Technology applications, Carrier HAP, Trane Trace, Navisworks, Bluebeam.
In accordance with California pay transparency laws, the salary range for this position is listed below. Actual compensation may vary based on a variety of factors, including experience, education, and skills.