Plumbing Designer (Mid-Senior Level)

Who We Are

Mazzetti is a global engineering design and consulting firm with a rich history of delivering forward-thinking solutions primarily for Healthcare and Science and Technology facilities and infrastructure. As an employee-owned benefit corporation, we are committed to bending the climate curve™. Though our story began with a small team of MEP engineers, 60 years later, we’ve grown to 200+ people in 12 locations across the U.S., India, and Africa. We are proud to partner with clients, addressing a spectrum of needs, mindful of their environmental footprint, resiliency, and economic and functional interests.

Our Vision: Creating healthier, enduring environments

Our Mission: Bending the climate curve™

Our Core Values: Earn Trust, Team First, Inspire

We proudly hold the JUST Label, an affirmation of our values-driven culture and commitment to environmental and social impact.

Job Summary

Mazzetti’s Mechanical, Electrical, Plumbing (MEP) Consulting Engineering Practice is dedicated to designing high performance, resilient, and sustainable solutions for the built environment, with a keen focus on Healthcare and Infrastructure projects. Our team of experts combines technical excellence with a collaborative, client-focused approach to deliver exceptional outcomes.

We are seeking an experienced, Mid- to Senior-level Plumbing Designer to join our Northern California team, based in either San Francisco or Sacramento, CA. In this role, you will lead the design and documentation of plumbing, medical gas, and fire protection systems for a wide variety of project types, working with multidisciplinary teams throughout Northern California.

You will bring established plumbing design experience from the AEC consulting industry and be ready to take on greater project responsibility. You will work alongside experienced engineers and designers on meaningful, technically challenging projects, while providing technical guidance and mentorship to designers on the team and continuing to grow your own expertise.

Core Responsibilities

Plumbing Design & Engineering

• Perform plumbing system design and engineering calculations for healthcare, science & technology, higher education, infrastructure, commercial, and other complex building projects.
• Lead the preparation of plumbing design drawings and construction documents, including specifications and equipment selections.
• Develop and oversee layouts for plumbing equipment, medical gas systems, pressure piping, drainage piping, vent piping, and fire protection systems.
• Develop plumbing system designs using Revit, AutoCAD, Bluebeam, and other design software, and select equipment using sizing calculators and manufacturer software.
• Review and approve design documents for quality, accuracy, constructability, and code compliance.
• Apply applicable building codes, industry standards, and Mazzetti quality expectations throughout project delivery.

Project Delivery

• Support or lead projects of average complexity and size under general supervision, referring more complex issues to senior team members.
• Coordinate plumbing systems with architectural, structural, mechanical, electrical, and specialty disciplines.
• Collaborate with project managers, engineers, architects, contractors, vendors, and clients throughout all phases of project delivery, including coordinating with vendors on equipment.
• Participate in project planning, scheduling, coordination meetings, and design reviews.
• Support construction administration by responding to RFIs, reviewing submittals, participating in field observations, and resolving design questions during construction.

Team Collaboration & Professional Growth

• Provide technical guidance and mentorship to designers, including reviewing their work and helping them build their skills.
• Work closely with multidisciplinary engineering teams across Mazzetti offices.
• Contribute to continuous improvement initiatives and knowledge sharing across the Plumbing discipline.
• Continue to grow your technical expertise and take on increasing project responsibility.

Work Location: This is a hybrid position based in either the San Francisco or Sacramento, CA areas, involving primarily working from home, client site visits throughout Northern California, and occasional presence in our San Francisco or Sacramento offices as needed for project collaboration and team-building activities.

Travel Requirements: Approximately 10–15% travel, primarily within the northern California region based on project assignments.