Plumbing Designer/Engineer

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 Life Sciences 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 11 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.

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

Our Vision: Creating healthier, enduring environments

Our Mission: Bending the climate curve™

Our Core Values:

• Earn Trust: Trust is the foundation of our success. Through transparent communication, ethical practices, and consistent results, we build enduring relationships with clients, partners, and communities.
• Team First: We prioritize collaboration, inclusivity, and mutual support, recognizing that collective strength drives success. Every team member’s unique contributions are valued and celebrated.
• Inspire: We ignite creativity, innovation, and passion to exceed expectations, fostering a culture of learning and bold exploration that drives positive change and lasting impact.

In 2025, we proudly achieved the JUST Label —an affirmation of our values-driven culture and dedication to environmental and social impact. 

Job Summary

Mazzetti is seeking a Mid-Senior Plumbing Designer or Engineer with deep technical expertise and design leadership experience to join our integrated, multidisciplinary team. You’ll be responsible for identifying and recommending appropriate plumbing systems for a variety of complex projects—including critical healthcare, laboratory, and mission-critical facilities. You will prepare complete plumbing design documentation, oversee contract administration services, and coordinate closely with internal and external partners, including architects, engineers, and sustainability specialists. You will be involved in projects that include healthcare, lab, and other mission-critical facilities, and expected to bring a high level of technical rigor and discernment to every phase of design and construction.

If you’re passionate about impactful design and want to help shape the future of healthy, sustainable buildings, we invite you to apply.

Work Location

This is a hybrid role open to candidates based in the Sacramento or San Francisco areas. The selected candidate will be expected to work onsite, at Mazzetti’s Sacramento office and/or Sacramento-area project sites, a minimum of three days per week. 

Your Tasks Will Involve

Plumbing System Design & Technical Expertise

• Design and develop moderately to highly complex plumbing systems with minimal supervision.
• Identify and evaluate system alternatives and recommend the best fit based on project needs.
• Lead the layout of major plumbing equipment rooms, accounting for constructability and service access.
• Create system diagrams, control sequences, and points lists for complete and operational systems.
• Apply energy analysis and equipment selection principles to optimize performance and efficiency.

Documentation & Specification

• Prepare high-quality plumbing system drawings, specifications, and technical narratives.
• Write and edit project specifications; assist with updates to Mazzetti’s master specifications.

Collaboration & Coordination

• Coordinate plumbing design efforts with internal MEP team members and external stakeholders.
• Promote open, team-first collaboration across disciplines, actively considering input from others.
• Integrate LEED and sustainability strategies into plumbing system solutions.

Code Compliance & Quality Assurance

• Ensure all plumbing designs meet local, state, and national code requirements.
• Review peer work and occasionally conduct independent quality control reviews.

Construction Support

• Conduct site walkthroughs and field observations; generate concise reports.
• Review and respond to submittals and RFIs while anticipating downstream design impacts.
• Provide oversight and coordination during the construction administration phase.

Leadership & Mentorship

• Support and mentor junior plumbing designers and engineers.
• Contribute to team knowledge-sharing, training, and design process improvements.
• Demonstrate initiative and ownership, managing portions of projects independently when needed.

Travel Requirements: Up to 10-15% as needed in the Sacramento and San Francisco areas for client meetings, site visits, and project coordination.

Expertise And Abilities You Will Contribute

Education & Licensure

• Bachelor’s or Master’s degree in Mechanical Engineering (or a related field), and/or 8–10+ years of relevant experience — or an equivalent combination of education and experience.
• PE license or Certified Plumbing Designer (CPD) Certification preferred (or ability to obtain within 6 months).

Experience

• Experience working on complex projects such as hospitals, labs, or mission-critical facilities.
• Prior healthcare/hospital design experience in California is highly preferred.

Technical Skills

• Proficient in Revit, AutoCAD, and Bluebeam
• Strong knowledge of plumbing codes (UPC), NFPA standards, and healthcare/lab design requirements.
• Ability to manage projects and client relationships independently, with support as needed.
• Passion for creating sustainable, energy-efficient design solutions

You Will Thrive In This Role If You

• Consistently deliver high-quality, accurate work with attention to detail.
• Take initiative to drive creative, sustainable, and high-performance plumbing design solutions.
• Collaborate with cross-disciplinary teams and genuinely enjoy co-creating solutions.
• Contribute to a positive, inclusive team environment where everyone can do their best work.
• Embrace challenges as opportunities to grow and push the boundaries of what’s possible in design.

What We Offer

At Mazzetti, we believe in supporting our employees with competitive compensation and a dynamic benefits package.

Compensation: The typical salary range for a Mid-Senior Plumbing Designer or Engineer in Sacramento or San Francisco, California is $110,000-$180,000. We are committed to equitable pay and will evaluate final compensation based on relevant experience and skills in alignment with internal equity and market data.

Comprehensive Benefits:

• Medical, dental, vision, flexible spending accounts (FSA), company paid short-term disability (STD), long-term disability (LTD), and life insurance.
• Participation in our company-funded Employee Stock Ownership Plan (ESOP).
• Performance based bonuses.
• 401(k) with employer matching.

Work-Life Balance:

• Generous PTO and 9 paid holidays.
• Flexible work options: fully remote, hybrid, or in-office options, with flexible hours (depending on the role)
• Wellness program with live and on-demand fitness classes, mental health resources, wellness challenges, and incentives for healthy habits

Family Support: Paid parental leave and EAP Services.

Professional Development:

• Funding for memberships, licenses, certifications, and tuition reimbursement.
• Mentorship opportunities to help you grow in your career.

Home Office Support:

• Reimbursement for cellphone and internet costs for qualifying employees.
• Home office package and additional reimbursement opportunities for work-related expenses.

Community Engagement:

• Paid volunteer time-off annually.
• Employee engagement programs and Employee Resource Groups (ERGs).
• Gain hands-on experience furthering Mazzetti’s mission of making environments better through the Sextant Foundation. Learn more here.

Mazzetti is an Equal Opportunity Employer. We embrace diversity and value individuals from all backgrounds and do not discriminate based on race, color, religion, gender identity or expression, sexual orientation, national origin, genetics, disability status, age, or any other characteristic protected by federal, state or local law. We are committed to and promote an inclusive environment where everyone is respected and empowered to contribute. If you require accommodations at any stage of the hiring process, please let us know. Join us in shaping a brighter future through engineering and innovation.