Demo

Senior Mechanical Engineer (PE)

BW Design Group
Concord, NH Full Time
POSTED ON 10/3/2025
AVAILABLE BEFORE 11/2/2025
Sr. Mechanical Engineer, PE

Who You’ll Work With

You will join one of our 45 offices in the US, be part of a committed team of over 1500 professionals, and work in teams and directly with our clients doing work that is shaping the world around us. You will be welcomed into a rapidly growing business and team and empowered to make an impact. You will be valued, cared for, and challenged on your path to becoming a world-class professional consultant and surrounded by leaders who are committed to creating an environment that enables you to realize your own success and fulfillment.

When you join Design Group as a Sr. Mechanical Engineer, you are joining a team that will challenge you and position you for growth. In this role, you will work with a team of industry experts to help the world’s leading companies solve their most difficult problems. You will join our Architecture/Engineering Process Practice and partner with seasoned leaders, technical specialists, and subject matter experts to deliver the highest quality solutions to our clients with consistency and accuracy.

What You’ll Do

You'll work individually and in teams to support capital projects and implement solutions for our clients. Together, you will help our clients make critical changes to improve their performance and realize their most important goals.

  • Senior Mechanical Engineer on multidiscipline project teams.
  • Design facility mechanical systems including water, chilled water, wastewater, HVAC, cooling towers/condensers, boiler/steam or hot water systems, compressed air, and other plumbing systems for custom, industrial applications.
  • Work with other licensed engineers and experienced designers to design mechanical systems including water, chilled water, HVAC, wastewater, cooling towers/condensers, boiler/steam or hot water systems, compressed air, and other plumbing systems for custom, industrial applications for manufacturing, distribution, and other industrial and commercial facilities.
  • Work in our office and remotely with engineering teams of Architects and ME/EE-Engineers to design technical solutions to meet our client’s business needs.
  • Develop performance specification of sprinkler systems.
  • Knowledge/experience in refrigeration system design is a plus.
  • Completion of engineering calculations and oversight of mechanical design using AutoCAD MEP. Revit experience or oversight is a plus.
  • Interface with venders to accomplish equipment sizing, hydronic piping system design and selection of mechanical equipment.
  • Develop specifications, interface with on-site project teams.
  • Inspect installations.
  • Make an impact day-to-day with your skills and expertise, strengthening that relationship with our clients and team


What You’ll Bring

  • Excellent communication skills, interpersonal skills, and ability to interact with our valued team members and clients.
  • Excellent computer skills including AutoCAD, Microsoft Excel, and Microsoft Word. Revit experience is a plus.
  • Minimum of 10 years of mechanical facilities design engineering experience demonstrating an ability to complete mechanical system analysis, sizing, design, and report writing.
  • Able to perform as a Mechanical Engineer and execute mechanical design on multi-discipline projects
  • Experience in the mechanical design elements of manufacturing and distribution facilities for food, beverage, dairy or consumer products industries is desired.
  • Experience in the design of Life sciences, facility/building mechanical systems including HVAC (inclusive of air handling units, chemical and laminar fume hoods, unit heaters/coolers, etc.), water, chilled water/glycol, wastewater, cold/warm rooms, clean rooms, cooling towers/condensers, boiler/steam/condensate systems, hot water and hydronic systems, compressed gases (air, O2, N2, CO2, etc.), waste/drain and other plumbing systems.
  • Experience designing Pharmaceuticals Facilities is required.
  • Relocation: We are looking for candidates local to the area. For qualified applicants outside of the local area relocation assistance is available
  • Willing and able to travel as necessary for project requirements to include but not be limited to: project installation and start-up activities, client meetings, company sponsored meetings, trainings, industry related seminars, forums, or conventions, etc.
  • BS degree Mechanical Engineering from an ABET school required.
  • P.E. License is required to seal engineering documents


Our culture and commitment to our people is what sets us apart. We foster an environment of mutual respect, integrity, and unconditional interest in the individual and collective success of our professionals. Our model and entrepreneurial mindset offer a rewarding, challenging, and highly flexible path. As a Sr. Mechanical Engineer, you will build a meaningful and fulfilling career with the support of professional development resources and mentorships including our First Year Experience program, Individual Development Plans, and Career Path resources and tools. You will be surrounded by exceptional talent who will support your development as both a world-class engineer and a highly effective leader.

Feel like you're on the path to becoming a Sr. Mechanical Engineer but you're not quite there yet? We'd love to connect with you to see if we can take you from where you are today and grow you into a Design Group Engineering Consultant.

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