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Senior Plumbing Designer

Job in Concord, Merrimack County, New Hampshire, 03301, USA
Listing for: Barry Wehmiller
Full Time position
Listed on 2026-06-27
Job specializations:
  • Engineering
    Environmental Engineer, HVAC Tech / Heating Engineer, Civil Engineering
Salary/Wage Range or Industry Benchmark: 70000 - 100000 USD Yearly USD 70000.00 100000.00 YEAR
Job Description & How to Apply Below

Plumbing Designer

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 Plumbing Designer, 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 partner with seasoned leaders, technical specialists, and subject matter experts to deliver the highest quality solutions to our clients with consistency and accuracy.

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.

  • Design plumbing systems including domestic water, sanitary, storm, natural gas, lab gases, gas/vacuum, specialized waste, and performance-spec fire protection for a variety of manufacturing facilities in the food and beverage, consumer product, life science, and advanced technology industries
  • Perform pressure loss, pump head, roof drain, fixture unit, water heater, and all other necessary calculations to support system design
  • Develop construction drawings for domestic water, sanitary, and storm systems, including general notes, plans, riser diagrams, details, and schedules
  • Interpret and apply industry codes and standards
  • Develop specifications and review vendor submittals
  • Conduct on-site assessment and construction progress site visits including reporting
  • Handle construction administration including submittal reviews, and closeout activities (including record drawings and punch lists)
  • Respond to construction requests for information
  • Make an impact day-to-day with your skills and expertise, strengthening that relationship with our clients and team

What You'll Bring

  • A minimum of six years of relevant experience executing plumbing design for industrial or commercial facilities
  • Knowledge of model national plumbing codes, and state and local plumbing codes
  • Technical competencies in the following areas:
    • Plumbing fixture count analysis (spreadsheet or vendor software)
    • Incoming service sizing for domestic water
    • Sanitary drain and vent sizing
    • Grease separator sizing and selection
    • Domestic water booster pump sizing and selection
    • Compressed air compressor and distribution pipe sizing
    • High Pressure Compressed Air System (40-Bar) and distribution pipe sizing (preferred)
    • Lift station sizing and selection (preferred)
    • Fats, oil, and grease (FOG) treatment systems (preferred)
    • Facility assessments and system deficiency studies
    • Permit preparation, bid and construction drawings, and review of work packages
    • Requests for Information (RFIs) and Field Change Requests (FCRs)
  • Excellent communication and interpersonal skills to interact with colleagues, clients, vendors
  • Proficiency with Revit, Microsoft Excel, Word, and Outlook
  • A willingness to travel for project requirements including project installation and start-up activities, client meetings, and company sponsored meetings and training
  • ABS or AS in mechanical or technology engineering from an ABET accredited school
  • A CPD or CPT Certification
  • An Engineer in Training certification (preferred)

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 Plumbing Designer, 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 Plumbing Designer 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.

The approximate pay range for this position is $70K - $100K. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and abilities as well as geographic location of the position.

Barry-Wehmiller is an equal opportunity employer. M/F/D/V This organization…

Position Requirements
10+ Years work experience
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