Senior Plumbing Engineer

At EXP, we’re driven to provide innovative solutions for the world’s built and natural environments. As a team of engineers, architects, designers, scientists, creators and a community of professionals, we bring diverse and talented people together to solve the world’s most complex challenges. Here, you join a team that leverages differences, harnesses their entrepreneurial spirit in an employee-owned company, that believes diversity is what gives us strength, seeks sustainable results and shares ambitions for each other, our clients and the communities we are part of and serve. To be a part of EXP means to have your own experience, while staying connected to a global network of professionals, who believe we are a part of something bigger. Together, we are EXP.

Be our next Senior Plumbing Engineer in San Francisco, California or Walnut Creek, California!

Your work environment at EXP

EXP is seeking an experienced and motivated Senior Plumbing Engineer to work in a flexible role that includes engineering, design and specification of building mechanical, electrical, plumbing, fire protection and process systems for Life Sciences, Research and Development, Pharmaceutical, and cGMP Projects. Experience with design-bid build, IPD, design-assist and design-build project delivery required in the San Francisco, California office.

What a day at EXP has in store for you

• REVIT and AutoCAD proficient with working drawings.
• Be able to lead and mentor junior engineers, engineers and designers level staff on all their responsibilities.
• Review code related items with engineers to ensure compliance.
• Perform at a responsible charge level of meeting exp design and quality levels.
• Ability to QC all work of plumbing engineering staff.
• Apply risk management procedures daily to minimize exp & client's exposure to problems.
• Creates the narratives (basis of design) for the SD work.
• Perform front-end loading of plumbing systems.
• Develop and monitor plumbing work plans.
• Write new specification sections; develop new details, as required for project needs.
• Writes studies and reports for plumbing systems when needed on projects.
• Understand and apply engineering principles and fundamentals.
• Engineer pure water systems including RODI, WIFI and other high purity filtration.
• Engineer sanitary and laboratory waste and vent systems.
• Engineer domestic and industrial cold and hot water systems.
• Engineer tempered water systems.
• Engineer clean dry air and breathing air systems.
• Engineer laboratory compressed air systems.
• Engineer laboratory specialty gas, bulk gas storage and distribution systems.
• Engineer fire protection systems including sprinkler, fire pump, water storage, containment, gaseous suppression and misting systems.
• Engineer sustainable plumbing systems including grey water, solar heating, and rainwater harvesting systems.
• Perform life cycle cost analyses, and energy/cost calculations for plumbing systems.
• Ability to develop alternative 'Engineered' plumbing systems that meet code.
• Evaluates value engineering (cost cutting) items with respect to exp level of risk.
• Select and schedule equipment with limited oversight from senior staff.
• Meet with vendors to determine specification requirements for application.
• Performs field verification and take-offs of existing systems for renovation projects.
• Coordinates with other disciplines (MEPFP, Architectural, Structural, Process, etc.)
• Maintains the engineering book for the project.
• Respond to RFI’s for the project, and accurately review submittal with limited input from senior staff.
• Solve installation problems with plumbing and piping systems, travel to site to resolve issues.
• Manage and deliver revisions and sketches.
• Edit and develop scope of work narratives (Basis of Design, etc.)
• Meet with contractors during the bid phase to review construction details.

What your experience looks like

• Minimum of 10 years experience in related project management and design of Life Sciences, Research and Development, Pharmaceutical, and Critical Facilities systems and building projects.
• Engineering Degree (BS Mechanical, BS Architectural Engineering, or equivalent) from an accredited school.
• PE License.
• Ability to travel – San Francisco/bay area, San Diego, Chicago, Canada.

The pay range for this role is $120,000to $170,000. Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor.

About Us

Our story With a mission to understand, innovate, partner and deliver, EXP provides engineering, architecture, design and consulting services to the world’s built and natural environments.

Our heritage dates back to 1906, when the earliest of EXP’s predecessor companies started its engineering infrastructure practice. Today, thousands of creative professionals across EXP work together to deliver extraordinary experiences year after year.

What makes us different

The passion, enthusiasm, diversity and industry-leading capabilities of our employees make us who we are. We’re committed to providing a challenging work environment that cultivates career growth, encourages creativity and rewards excellence.

Find out more about life at EXP by visiting .

About the Team

EXP is proud to be an Equal Opportunity Employer who fully and actively supports equal access for all people regardless of Race, Color, Sex, Religion, Gender, Age, National Origin, Veteran Status, Disability, Genetic Information or Testing, Family and Medical Leave, Sexual Orientation and Gender Identity or Expression.

Should you need any special accommodations, please feel free to contact us at View email address on click.appcast.io and we will arrange for the most suitable accommodations based on your needs.

Job Info

• Job Identification 112976
• Posting Date 08/10/2026, 08:18 PM
• Degree Level Bachelor's Degree
• Job Schedule Full time
• Locations 451 Montgomery Street, San Francisco, CA, 94104, US