Senior Mechanical Engineer - San Francisco, CA

Position Summary As a Senior Mechanical Engineer, you will lead projects from concept through construction, act as Engineer of Record on select assignments, and provide technical leadership and mentorship. You will design and deliver efficient HVAC systems that meet codes and client expectations, coordinate with architects and contractors, manage budgets and schedules, and help grow the practice locally. Essential Job Functions Lead and manage a portfolio of mechanical engineering projects across laboratory/research facilities, commercial, education, government, and hospitality sectors. Serve as Engineer of Record on assigned projects and ensure code compliance and constructability. Develop sustainable HVAC system designs that optimize performance and energy use. Prepare and review design drawings, specifications, and engineering calculations. Manage project budgets, schedules, and client communications. Coordinate design work with architects, contractors, and multi-disciplinary teams. Mentor and train junior engineers; lead QC for deliverables. Use industry software and modeling tools to inform design and decision making. Required Qualifications Bachelor’s Degree in Mechanical Engineering or a related field. Currently active Professional Engineer license in California. 10+ years of experience leading mechanical/HVAC system design across a diverse portfolio of projects. Demonstrated technical excellence across multiple market sectors, with experience delivering projects from concept through construction administration and certificate of occupancy. Proven ability to supervise and mentor staff, supporting long-term professional development and team performance. Strong leadership skills with a track record of delivering complex projects with technical precision. In-depth knowledge of building and mechanical codes, standards, and best practices. Familiarity with regional design practices and regulatory requirements in California and surrounding areas. Proficiency in REVIT, AutoCAD, Trane Trace, and MS Office. Preferred Qualifications LEED AP BD+C and/or WELL certification. Experience in strategic planning, resource management, and cross-disciplinary collaboration. Prior track record in growing local client relationships or business development. Work Environment and Location This position offers a hybrid work environment, with a requirement of two in-office days per week in our San Francisco, CA office. All candidates must be located in and eligible to work in the U.S. Compensation Salary Range: $155,000-$190,000 (depending on experience). The base salary range represents the low and high end of the compensation scale for this role. Actual salaries will be determined based on location, experience, responsibilities, and qualifications. This salary range is one component of the total compensation package, which includes benefits, professional development opportunities, and additional incentives. Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans. #J-18808-Ljbffr Tetra Tech