Plumbers Assistant Jobs in Kent, WA (NOW HIRING)

Seattle, WA, United States

WSP is currently initiating a search for afull-time Senior Plumbing Engineerfor ourSeattle, WAoffice. This position is best suited for an engineer who is seeking an opportunity to work within a team-focused local office, for a large world-wide engineering firm. Career development, mentoring and employee satisfaction is key within our local MEP group and the firm.

• Determine well-defined methods for collecting, compiling, and analyzing data from the physical work site, surveys, blueprints, schematics, data, technical drawings, computer-generated reports, and other matrices for project development, design, and construction.


• Perform professional plumbing engineering work and conduct research and inspections of proposed and existing site conditions, equipment, resources, building, infrastructure, and usage; and install plumbing, fire protection and suppression, and fluid flow systems to conform with applicable rules, standards, and construction or operating permits.


• Develop construction and installation plans, specifications, and cost estimates; preparing construction safety and phasing plans, and updating infrastructure layout plans that require coordination with owners, architects, other disciplines, sub-consultants, and clients.


• Incorporate advanced technology, modeling techniques, concept development, design requirements, load calculations, and operating strategies to account for the proper installation and functioning of equipment and systems according to specifications; implementing future-ready solutions with plumbing engineering design standards.


• Work as an individual or as part of a cross-functional team of engineers, planners, and scientific professionals to execute project work on multiple concurrent projects, assist with laying out installation of equipment, calculating costs and quantities of material/equipment/labor, and ensuring project work conforms with specifications, permit applications, schematics, compliance documentation, and regulatory and technical analysis memos.


• Prepare data and visualizations such as tables, charts, accurate reports, sketches, calculations, technical drawings, spreadsheets, and illustrations for the interpretation or presentation of data, findings, or analyses.


• Maintain quality control standards and procedures for accurate and precise measurements, statistical analysis, and reporting.


• Assist with development and scoping of medium-sized projects.


• Provide guidance and training to entry-level engineers.


• Prepare technical reports and presentations that explain research, findings, and recommendations to improve, prevent, control, restore, or address design and/or construction issues or opportunities.


• Assist in the analysis, evaluation, and interpretation of data obtained during site investigations, offering input with developing action plans for moderate- to high-level risk installation, equipment and system operations, and/or mitigation activities.


• Prepare and implement site Health and Safety Plans (HASPs).


• Comply with regulatory requirements pertaining to the data integrity, documentation, procedures, training, monitoring systems, and record compliance and retention.


• Interact with regulatory agencies, subcontractors, architects, and clients in a confident and professional manner.


• Remain current in latest plumbing engineering techniques and practices.


• Work collaboratively with other engineers, architects, and building and infrastructure authorities on Federal, State, regional, and locally funded improvement and development projects.


• Exercise responsible and ethical decision-making regarding company funds, resources and conduct, and adhere to WSP’s Code of Conduct and related policies and procedures.


• Perform additional responsibilities as required by business needs.

• Bachelor’s Degree in Plumbing or Mechanical Engineering, or closely related discipline.


• 9+ years of relevant post education experience in engineering and prior plumbing and mechanical design experience.


• Professional Engineering License


• Proficient knowledge of plumbing and mechanical engineering principles, practices, process, design/build, and the application to project work-related issues.


• Experience with building and infrastructure planning, design, and construction management; including active involvement in a variety of rehabilitation and new design projects.


• Working knowledge of relevant plumbing and mechanical system and construction laws, codes, regulations, compliance practices, and record-keeping requirements.


• Ability to make technical computations and calculations involving the application of engineering principles, understanding plans and specifications, and making factual comparisons to the appropriate regulations.


• Project management experience with small to mid-level projects including tracking hours and expenses for project work.


• Ability to plan and conduct inspections and investigations on various aspects of the construction and design of facilities, structures and systems, applying applicable regulations and policies.


• Effective interpersonal and communication skills when interacting with others, expressing ideas effectively and professionally to an engineering and non-engineering audience.


• Highly capable self-leadership with attention to detail, multi-tasking, and prioritization of responsibilities in a dynamic work environment.


• Ability to work independently and provide guidance and leadership to junior team or project members, with strict adherence to QA/QC.


• Proficiency with technical writing, office automation, discipline-specific design software (i.e., AutoCAD, Revit), technology, math principles, predictive models, spreadsheets, and tools.


• Developed critical thinking and problem-solving skills required to apply technical knowledge to reach conclusions from testing results, data collation, load calculations, statistical analysis and arriving at the most effective, economical, and logical solution.


• Ability to assertively direct others in the field such as subcontractors and others to consistently complete tasks safely and efficiently.


• Proven track record of upholding workplace safety and ability to abide by WSP’s health, safety and drug/alcohol and harassment policies.


• Ability to work schedules conducive to project-specific requirements that may extend beyond the typical workweek.


• Occasional travel may be required depending on project-specific requirements.

• Plumbing Design (CPD) Certification


• Experience managing small to mid-size projects.


• LEED AP Certification


• Lab and Medical Gas design experience

• Job Identification 92412


• Posting Date 08/03/2026, 07:58 PM

WSP USA is the U.S. operating company of WSP, one of the world's leading engineering and professional services firms. Dedicated to serving local communities, we are engineers, planners, technical experts, strategic advisors and construction management professionals. WSP USA designs lasting solutions in the buildings, transportation, energy, water and environment markets. With more than 15,000 employees in over 300 offices across the U.S., we partner with our clients to help communities prosper.

www.wsp.com

WSP provides a flexible and agile workplace model while meeting client needs. Employees are also afforded a comprehensive suite of benefits including medical, dental, vision, disability, life, and retirement savings focused on providing health and financial stability throughout the employee’s career.

At WSP, we want to give our employees the challenges they seek to grow their careers and knowledge base. Your daily contributions to your team will be essential in meeting client objectives, goals and challenges. Are you ready to get started?

WSP USA (and all of its U.S. companies) is an Equal Opportunity Employer Race/Age/Color/Religion/Sex/Sexual Orientation/Gender Identity/National Origin/Disability or Protected Veteran Status.

The selected candidate must be authorized to work in the United States.