Symmons Industries

Principal Mechanical Engineer

Job ID
Regular Full-Time


Symmons Industries is a family-owned, premier domestic manufacturer of commercial and residential plumbing products. We are proudly respected in the industry for the quality of our products and customized service levels. Symmons core products were innovative and a first for the industry. Since the 1930’s Symmons has been a company committed to providing solutions. Headquartered in Braintree, Massachusetts, we are seeking a Principal Mechanical Engineer to join our progressive engineering and innovation team. 


The Principal Mechanical Engineer will lead new product development, extensions to our existing products, and innovation into new markets and technologies.


If you are looking for a company that truly values their team members and encourages ideas and creativity, then we invite you to come talk to us about joining our family. Symmons is the Smart Choice!






  • Translates customer needs into mechanical designs which meet cost and quality goals selecting and recommending best methods. Defines criteria for success based on interworking with marketing and operations.
  • Will act as a technical expert, lead projects, and direct support personnel in the preparation of detailed design, design testing, preparation of verification test protocols and reports, and prototype fabrication.
  • Applies knowledge in a broad range of topics within mechanical engineering, reflecting in-depth knowledge of at least two sub-specialty areas.
  • Requires project management and systems knowledge/skills and basic business understanding.
  • May lead technical research, feasibility studies, and testing of new and modified designs in areas such as materials, measurement, fluidics, and electronics.
  • Understands relevant IP landscape and generates creative, innovative solutions which may lead to patentable ideas and products.
  • Serves in an advisory role at the management, or senior management level, proposing technical solutions to resolve business issues, and evaluates short and long-term impact.
  • Interfaces with customers, suppliers, sales, and customer support, and works on a national, regional or global basis.
  • Provides technical leadership, trains, and mentors less senior staff to support business initiatives and strategic goals, and evaluates or troubleshoots problems. Transfers knowledge/ technology solutions within or across groups. 


Working Relationships:


Collaborates with cross functional teams including Marketing, Supply chain, Quality, and Operations, and Customer Service.



  • Bachelor of Science Degree in Mechanical Engineering (BSME) or equivalent combination of training and experience
  • 10+ years experience in new product development and support
  • Proficiency in 3D CAD software such as Solidworks
  • Demonstrated ability to lead mechanical designs displaying creativity, innovation, and leadership
  • Experience with mechanical analysis (e.g. FEA)
  • Knowledge of materials and metal processes (i.e. machining, casting, welding, brazing, soldering, fastening, assembly, fabrication)
  • Knowledge of Water Management Systems (plumbing/fluid control) is a plus


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