Plumbing Project Designer | Seattle, WA

IMEG is hiring a Plumbing Project Designer in Seattle, Washington, to lead plumbing and fire protection design efforts for moderate complexity projects and support larger, high-complexity project delivery in collaboration with senior staff. In this role, you will work closely with engineers and consultants to provide engineering solutions and client guidance, with responsibilities spanning analysis, design, and implementation oversight of building systems. You’ll also support project budgets, mentor team members, and collaborate across functions to meet project goals and client expectations. Principal Responsibilities Lead plumbing and fire protection system analysis and design efforts for moderate complexity projects Create detailed designs, specifications, and calculations using engineering software and tools in accordance with code requirements and IMEG standards Partner with clients to understand project needs, gather requirements, communicate technical information, and maintain strong professional relationships Support consulting project execution through planning, budgeting, and scheduling to meet deadlines and objectives Document design decisions, client instructions, and project progress, including percent complete and fee expended Analyze engineering challenges and develop practical, efficient solutions in collaboration with senior engineers and consultants Perform in-process reviews of plumbing and fire protection designs, calculations, and specifications while applying IMEG quality control processes Stay current on industry trends, emerging technologies, and best practices in plumbing engineering, and contribute to research and innovation efforts Prioritize safety in all aspects of engineering work by identifying and mitigating potential risks associated with plumbing systems Coordinate with multidisciplinary teams to deliver integrated solutions that align with project goals Identify potential project issues and seek guidance from the Project Manager as needed Support projects through bidding and construction administration phases Required Qualifications and Skills Bachelor of Science (BS) Degree in Mechanical Engineering, or equivalent required Engineering In Training (EIT) Certification preferred ASPE Certified Plumbing Design preferred 5 years of experience minimum required, 6 preferred, in the building design consulting industry OR Associates degree, or certificate, in Building Information Modeling (BIM) or Engineering preferred ASPE Certified Plumbing Design preferred 9 years of experience minimum required, 10 preferred, in the building design consulting or construction industry Expertise in design techniques, tools, and concepts involved in the production of technical plans and specifications Strong technical and analytical skills including proficiency of principles in thermodynamics, heat transfer and fluid mechanics as they relate to plumbing and fire protection design for buildings Strong training and mentoring skills Expertise in industry standard engineering software and tools. Mastery of code calculations for domestic water, waste, and vent systems. Advanced knowledge of specialty plumbing systems (medical gas, laboratory gas, high rise, rainwater/grey water systems) as applicable based on team market focus. Excellent communication and interpersonal skills; Ability to clearly communicate in both oral and written communication to individuals or groups Ability to work collaboratively in a team environment Attention to detail and problem-solving skills Proficiency in the use of Building Information Modeling (BIM) software Proficient with MS Office Suite including but not limited to Word, Excel, and Outlook Ability to travel up to 15% with occasional overnight stays This position is not eligible for sponsorship. Why Join Us IMEG puts people first—with a strong focus on career growth, work-life balance, and meaningful impact. As a 100% employee-owned firm, we offer the resources of a national design leader with the close-knit culture of a local office. You’ll collaborate across disciplines, contribute to innovative, sustainable projects, and shape the communities we serve. Join a team where your ideas are valued, your development is supported, and your work truly matters. In this role, you’ll help deliver safe, functional, and sustainable plumbing solutions for a wide range of building projects. MEP Team Highlights IMEG’s plumbing engineers design reliable and efficient plumbing systems for all types of facilities, including domestic cold/hot water supply, water heating systems, sanitary sewer and vent, stormwater drainage, and specialty plumbing systems. The team emphasizes water conservation and public health, including low-flow fixtures, rainwater harvesting where applicable, and compliance with plumbing and health codes. For complex buildings, IMEG models plumbing systems in 3D to coordinate with structure and other trades, helping minimize conflicts before construction. IMEG also addresses fire protection plumbing, including standpipes and sprinkler piping, in coordination with fire protection engineers. By integrating plumbing and piping design with overall mechanical-electrical systems, IMEG delivers safe, functional, and sustainable solutions that support occupant needs. Locations available: Seattle, WA State of Washington Salary Range: $86,000.00-$120,000.00. Minimums and maximums may vary based on location. Individual pay will be based on several factors including experience, knowledge, skills, and abilities of the applicant. Other rewards may include annual bonuses and stock ownership options. In addition, IMEG Corp. provides a variety of benefits to employees, including health insurance coverage, an employee wellness program, life and disability insurance, a retirement savings plan, paid holidays, and paid time off (PTO). This information is being provided in compliance with local laws. Additional information regarding employee benefits may be found on our company website at IMEG , an employee-owned corporation, is committed to investing in employees’ futures through professional development programs and opportunities for career advancement. We offer a comprehensive benefits package including generous PTO, flexible schedule, and assistance with tuition reimbursement. Additionally, employees are eligible to enroll in health, dental, vision, and life insurance on their first day of employment. IMEG is committed to providing equal employment opportunities in all employment practices, without regard torace, color, religion, sex (including sexual orientation or gender identity), gender, national origin, disability, age, genetic information(including family medical history), parental status (including pregnancy, childbirth or related medical conditions includinglactation), ethnic origin, hair type (including hairstyle or hair texture), citizenship status, marital status, military service, veteran’sstatus, political affiliation, non-merit-based factors, or any other characteristic protected by law. In accordance with antidiscrimination law, it is the purpose of this policy to put into effect these principles and mandates. IMEG prohibitsdiscrimination and harassment of any type. IMEG conforms to the spirit as well as to the letter of all applicable laws andregulations. 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