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 is seeking a Senior Mechanical Engineer based in the San Francisco or Sacramento, California areas to serve as a Mechanical lead on large, complex healthcare projects. This role is intended for a seasoned professional who brings deep healthcare expertise, exercises independent technical judgment, and takes full accountability for mechanical system strategy and execution.

As part of Mazzetti’s nationally recognized healthcare-focused MEP Engineering Practice, you will lead system-level decision-making from concept through construction, ensuring quality, constructability, and alignment with client goals. This role combines advanced technical leadership, multidisciplinary coordination, and direct client engagement.

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 and Infrastructure projects. Our team of experts combines technical excellence with a collaborative, client-focused approach to deliver exceptional outcomes. 

Core Responsibilities

Discipline Leadership & Technical Authority

• Lead mechanical system strategy and design for healthcare and mission-critical facilities.
• Serve as Mechanical Lead on projects, accountable for scope, schedule alignment, quality, and technical outcomes.
• Establish system selection rationale based on code, energy performance, resiliency, and client operational needs.
• Oversee design quality, conduct peer reviews, and manage risk within the mechanical discipline.

Project Oversight & Decision-Making

• Provide direction to junior and mid-level engineers on system design and documentation.
• Review and approve major design deliverables.
• Guide resolution of complex technical challenges during design and construction phases.
• Ensure alignment with HCAI/OSHPD and healthcare-specific regulatory requirements.

Client & External Engagement

• Lead mechanical coordination meetings with clients, architects, and contractors.
• Represent Mazzetti in technical discussions and presentations.
• Support proposal development and contribute to thought leadership within the healthcare market.

Mentorship & Team Development

• Mentor engineers and designers, supporting technical growth and career progression.
• Promote best practices across projects and offices.
• Contribute to firm-wide technical standards and innovation initiatives.

Work Location: This is a hybrid position involving working from home, client site visits in the area up to 1-2 times a week, and being present in our San Francisco or Sacramento, California offices occasionally.

Travel Requirements: Up to 5% locally in the San Francisco Bay or Sacramento areas.

Education & Experience

• Bachelor’s degree in Mechanical Engineering or related field.
• 8+ years of mechanical/HVAC design experience, with significant healthcare expertise.
• Demonstrated experience as Mechanical Lead responsible for full-discipline delivery.
• Deep knowledge of HCAI/OSHPD and healthcare system requirements.

Technical Expertise

• Advanced HVAC system design knowledge.
• Proficiency in Revit, including oversight and QA/QC of production models.
• Strong understanding of project risk management and quality control processes.

Preferred

• Licensed Professional Engineer (PE) in California (or eligible).

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 Senior Mechanical Engineer in San Francisco or Sacramento, CA is $130,000 - $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.