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.

Mazzetti’s MEP Consulting Engineering Practice is dedicated to designing innovative, sustainable solutions for the built environment, with particular expertise in Healthcare and Science and Technology facilities and infrastructure. Our team combines technical excellence with a collaborative, client-focused approach to address complex building and infrastructure needs and deliver healthier, more resilient, and sustainable environments.

Job Summary

Mazzetti is seeking entry-level Mechanical, Electrical, and Plumbing Designers to join our Engineering team in Summer 2027. This s an opportunity to launch your career designing building systems that directly impact how people experience the built environment.

Depending on your discipline, you’ll support the design of HVAC, electrical, or plumbing systems for complex facilities, with a focus on healthcare, science and technology, and other high-performance buildings. You’ll work alongside experienced engineers and designers, gaining hands-on experience with real projects while developing your technical expertise, understanding of project delivery, and ability to collaborate across disciplines.

From performing engineering calculations and developing designs in Revit to participating in project meetings and visiting construction sites, you’ll have opportunities to learn how projects move from concept through construction—and how thoughtful engineering can create more sustainable, resilient buildings. Join us in shaping a brighter future through engineering and innovation.

Your Tasks Will Involve 

Design & Technical Development

• Support the design and documentation of mechanical HVAC, electrical, or plumbing systems, depending on your discipline.
• Perform engineering calculations and analyses with guidance from experienced team members, such as:
  • Mechanical: heating and cooling loads, ventilation requirements, and HVAC system sizing.
  • Electrical: lighting and power calculations, voltage drop and short-circuit analysis.
  • Plumbing: domestic water, sanitary, stormwater, and other plumbing system calculations and sizing.
• Develop construction drawings, diagrams, and other project documentation using Revit and related design tools.
• Learn and apply applicable building codes, engineering standards, and Mazzetti design practices.
• Contribute to energy-efficient, resilient, and lower-carbon building solutions.

Collaboration & Project Experience

• Work closely with engineers, designers, project managers, and other Mazzetti disciplines.
• Coordinate designs with architects, contractors, structural engineers, and other project partners.
• Participate in project meetings and learn how client needs are translated into technical design solutions.
• Communicate questions, ideas, and design considerations clearly with project team members.

Construction & Field Experience

• Support construction administration activities, including reviewing submittals and responding to project documentation.
• Participate in site visits to observe existing conditions, construction progress, and installation of designed systems.
• Assist with renovation projects by documenting and evaluating existing building systems.

Professional Growth

• Learn from experienced engineers and designers through project work, mentorship, and technical training.
• Build your knowledge of building systems, codes, sustainability, and emerging technologies.
• Develop the technical, communication, and project-delivery skills needed to take on increasing responsibility over time.
• Pursue professional development opportunities, including progress toward Engineer-in-Training (EIT) certification where applicable.

Work Location: This position is available to candidates located near our offices in Denver, CO; San Francisco, CA; or Sacramento, CA. The role follows a hybrid work arrangement that may include time in the office, at project sites, and working remotely from home.

Travel Requirements: Occasional local travel to project sites may be required. 

Education & Experience

• Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Architectural Engineering, or a related engineering discipline, completed or expected by Summer 2027.
• 0–3 years of relevant experience in building systems design; internship, co-op, academic project, or similar experience is welcome.
• Exposure to healthcare, science and technology, or other complex building types is a plus, but not required.

Technical Skills

• Basic knowledge of Revit through coursework, internships, employment, or project experience. Familiarity with other engineering/design software is a plus.
• Foundational understanding of engineering principles relevant to your discipline.
• Strong analytical and problem-solving skills and an interest in applying engineering concepts to real-world building design.

Professional Skills & Interests

• Curiosity and eagerness to learn from experienced engineers, designers, and project teams.
• Strong communication and interpersonal skills with an interest in working collaboratively across disciplines.
• Attention to detail and a commitment to producing high-quality work.
• Initiative to ask thoughtful questions, seek feedback, and apply what you learn.
• Strong problem-solving mindset and interest in understanding how engineering concepts translate into real-world building solutions.
• Interest in sustainable, resilient, and high-performance building design.
• Interest in pursuing EIT certification and continued professional development

What We Offer

At Mazzetti, you’ll do meaningful work, grow your career, and share in the success of an employee-owned company. We offer competitive compensation, comprehensive benefits, flexible work arrangements, and opportunities for professional growth—all while working together to bend the climate curve™. 

Compensation: The typical salary range for an entry-level Mechanical, Electrical, or Plumbing Designer based in Denver, CO, Sacramento, CA, or San Francisco, CA is $65,000-$90,000 . 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), health savings account (HSA), 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.