Mechanical Engineer

Weston & Sampson; Portsmouth (NH); On-site; USD 125,000 - 150,000; Full time

Benefits offered by this job

Ownership mindset

Growth opportunities

Flexible workplace

Strong culture

Job summary

Weston & Sampson in Portsmouth, NH, is seeking a mid-career Mechanical Engineer to join their HVAC and Plumbing team. Candidates should have 5-15 years of relevant experience and a BS in Mechanical Engineering, along with strong communication skills and the ability to manage multiple projects.

The position offers a salary range of $125,000 - $150,000 based on experience with opportunities for mentorship and career growth.

Qualifications

• Minimum of 5 years of relevant plumbing fire protection, mechanical design and/or energy related experience.
• Strong communication skills and ability to work collaboratively.
• Capable of working safely at job sites with large mechanical and electrical equipment.

Responsibilities

• Engineering and design documentation for projects in private, public, federal, and municipal sectors.
• Coordinating with multi-disciplinary personnel and clients.
• Managing multiple complex projects simultaneously.

Skills

5-15 years of experience

Communication skills

Revit 3D

AutoCAD

Ability to manage multiple projects

Education

BS in Mechanical Engineering

PE license or ability to obtain a PE

Job description

Weston & Sampson is seeking a mid-career Mechanical Engineer with 5-15 years of experience to join our Mechanical HVAC and Plumbing team in any Weston & Sampson New England office. This is an opportunity for a motivated professional to take on more responsibility in projects and be a significant contributor to shaping the company’s future. The ideal candidate will have experience working in a multi-discipline professional engineering firm involved in the production of contract drawings for the construction industry. A thorough understanding of Massachusetts State (and other New England States) Building Code is required. Candidate shall demonstrate a working knowledge of Drain, Waste & Vent design and calculating Fire Protection Systems including the application of electric and engine driven fire pumps, cisterns, wet and dry type sprinklers, kitchen and other chemical fire suppression systems. A successful candidate must be capable of working independently with minimal oversight, be able to initiate detailed coordination with other building systems disciplines, and be capable of taking mechanical concepts to implementation.

What You’ll Do

• Engineering and design documentation for both new and renovation projects for a variety of facility types within the private, public, federal, and municipal sectors.
• Design will include field investigation of existing facilities, shop drawing review, generation of reports and production of contract drawings.
• Coordinating with multi-disciplinary personnel located in both local and regional offices, sub-consultants, utility companies, equipment vendors and clients.
• A successful candidate should be capable of working both independently and as part of a multidiscipline team.

What You Will Bring

• BS in Mechanical Engineering
• PE license or ability to obtain a PE in any state in the United States
• Minimum of 5 years of relevant plumbing fire protection, mechanical design and/or energy related experience
• Have strong communication skills (oral and written) and be able to remain organized with multiple concurrent projects and deadlines.
• Ability to work collaboratively.
• Active member of relevant industry associations.
• Possessing high ethical standards, committed to producing high quality deliverables, and a commitment to teamwork, respect, and integrity.
• Capable of managing multiple complex projects simultaneously and directing and overseeing junior staff work for same projects
• Capable of working safely at job sites in and around large mechanical and electrical equipment
• Revit 3D experience (or similar) and AutoCAD
• Able to travel locally in New England and occasionally the east coast of the USA for project meetings and site investigation
• Valid driver’s license

Salary Range: $125,000 - $150,000 depending on experience.

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.

Explore opportunities and apply on our careers page.