Mechanical Engineer- Plumbing Fire Protection

Weston & Sampson; Worcester (MA); On-site; USD 85,000 - 125,000; Full time

Job summary

Weston & Sampson is seeking an experienced Mechanical Engineer to join our Mechanical HVAC and Plumbing team in New England offices. This mid-to-senior role offers ownership of complex projects, collaboration with a multidisciplinary team, and a path to developing engineering talent.

You'll lead design across HVAC, plumbing, fire protection, and energy projects, coordinate with stakeholders, mentor junior staff, and ensure code-compliant, constructible solutions while traveling regionally.

Qualifications

• Experience leading design for mechanical building systems.
• Strong communication and collaboration skills.
• Ability to mentor junior engineers.

Responsibilities

• Lead mechanical, HVAC, plumbing, and fire protection designs for new construction and renovation projects.
• Own projects from concept to completion: field investigations, reports, construction documents, and shop drawings.
• Collaborate across disciplines with engineers, clients, subconsultants, and vendors.
• Provide technical leadership to resolve complex design challenges and translate concepts into constructible solutions.
• Mentor and support developing engineers.
• Ensure designs meet building codes and project requirements.

Skills

Mechanical design

Project leadership

Mentoring

Communication

Collaboration

Education

Bachelor's degree in Mechanical Engineering

Tools

Revit

AutoCAD

Job description

Build your career. Lead meaningful projects. Help shape what comes next.

Weston & Sampson is seeking an experienced Mechanical Engineer to join our Mechanical HVAC and Plumbing team in any of our New England offices. This is an exciting opportunity for a mid-to-senior-career professional to take ownership of complex engineering projects, collaborate with a talented multidisciplinary team, and play a key role in developing both our projects and future engineering talent.

At Weston & Sampson, you'll have the opportunity to work across a diverse portfolio of public, private, federal, and municipal projects, contributing to the design and improvement of buildings and facilities throughout New England. We're looking for an engineer who brings strong technical expertise, sound judgment, and a collaborative mindset, along with the desire to take on greater responsibility and make a lasting impact.

If you're ready to bring your experience to a team where you can lead, mentor, solve complex engineering challenges, and continue growing professionally, we'd love to hear from you.

What you'll do

• Lead engineering design efforts: Develop mechanical, HVAC, plumbing, and fire protection designs for new construction and renovation projects across a variety of facility types.
• Own projects from concept to completion: Conduct field investigations, develop engineering reports, prepare construction documents, and review shop drawings to support successful project delivery.
• Collaborate across disciplines: Coordinate with engineers and design professionals across local and regional offices, as well as clients, subconsultants, utility providers, and equipment vendors.
• Provide technical leadership: Apply your engineering expertise to resolve complex design challenges, coordinate building systems, and translate engineering concepts into practical, constructible solutions.
• Mentor and support developing engineers: Provide technical guidance, review design work, and help junior team members build their skills and professional capabilities.
• Deliver high-quality work: Manage multiple projects, maintain schedules, and ensure designs meet applicable building codes, industry standards, and project requirements.

What you'll bring

• Bachelor's degree in Mechanical Engineering.
• 4-8 years of relevant experience in mechanical building systems design, including HVAC, plumbing, fire protection, and/or energy-related engineering.
• Professional Engineer (PE) license, or the ability to obtain licensure in a U.S. state.
• Strong understanding of Massachusetts building codes and familiarity with applicable building codes across other New England states.
• Working knowledge of plumbing systems, including drain, waste, and vent (DWV) design.
• Experience designing and calculating fire protection systems, including electric and engine-driven fire pumps, cisterns, wet and dry sprinkler systems, and kitchen or other chemical fire suppression systems.
• Proficiency with Revit or comparable 3D design software and AutoCAD.
• Ability to independently manage complex assignments, coordinate with other building systems disciplines, and oversee the work of junior staff.
• Strong written and verbal communication skills, organizational abilities, and a collaborative approach to problem-solving.
• Commitment to engineering quality, professional integrity, safety, and teamwork.
• Ability to travel locally throughout New England and occasionally along the East Coast for project meetings and site investigations.
• Valid driver's license.

Overview

At Weston & Sampson, you’ll work alongside more than 1,000 employee-owners who are passionate about improving our communities. From providing clean water to designing resilient infrastructure and sustainable environments, our work has a direct impact on quality of life. We’re looking for curious, driven professionals who want to contribute to innovative, impactful projects and grow with a team that supports them.

We are a 100% employee-owned, interdisciplinary firm offering design, engineering, and environmental services. Since our founding in 1899, we have worked to build a collaborative, forward-thinking environment grounded in respectfor each other’s ideas.

We offer

• Meaningful work:Contribute to projects that protect and enhance the natural and built environments
• Ownership mindset: As an employee-owner, your work directly contributes to our shared success
• Growth opportunities: Build your career through mentorship, diverse projects, and clear advancement pathways
• Flexible workplace: Work in a way that supports your life and not the other way around
• Strong culture: Join a team that values collaboration, inclusion, and recognition

Our Commitment to Inclusion, Diversity, Equity & Access (IDEA)

We believe diverse perspectives make us stronger. Weston & Sampson is committed to fostering a culture of belonging where all employees feel valued, respected, and empowered. We actively support IDEA principles across our organization and in our daily work.

Ready to transform your environment? Let’s work together.

#midlevelprofessional #seniorlevelprofessional