Senior Plumbing Engineer - Buildings

This Opportunity

WSP is currently initiating a search for a Senior Plumbing Engineer for our Irvine, CA office. Be involved in projects with our Property & Buildings team and be a part of a growing organization that meets our clients’ objectives and solves their challenges.

This position is ideal for a plumbing engineer who is ready to take on greater technical and project responsibility while working on a diverse portfolio of building projects throughout Southern California and beyond. The selected candidate will support projects across a variety of markets, including commercial, higher education, civic, hospitality, residential, mixed-use, science & technology, and other general building types.

The Senior Plumbing Engineer will work closely with architects, engineers, designers, contractors, and clients to develop practical, high-quality plumbing solutions while supporting projects from concept design through construction.

Your Impact

• Perform professional plumbing engineering work for new construction, renovations, and existing building projects.
• Design and develop domestic water, sanitary waste and vent, storm drainage, natural gas, and specialty plumbing systems.
• Prepare engineering calculations, equipment selections, system layouts, specifications, technical reports, and construction documents.
• Perform water demand, pipe sizing, pressure, sanitary waste, and storm drainage calculations.
• Apply plumbing engineering principles throughout project phases including concept design, schematic design, design development, construction documents, and construction administration.
• Develop construction plans and specifications while coordinating plumbing systems with architectural, structural, mechanical, electrical, fire protection, and civil disciplines.
• Participate in multidisciplinary project coordination meetings and communicate technical requirements to project teams.
• Review plumbing design documents for technical accuracy, constructability, code compliance, and adherence to WSP quality standards.
• Conduct field investigations and site visits to document existing conditions and support the development of engineering solutions.
• Assist with construction administration activities including submittal reviews, RFIs, shop drawings, field observations, and responses to contractor questions.
• Support the development and scoping of small- to medium-sized projects, including preparation of project schedules, budgets, and engineering fee estimates.
• Work independently and as part of cross-functional project teams on multiple concurrent assignments.
• Provide technical guidance and mentorship to junior engineers and designers.
• Coordinate with architects, owners, contractors, regulatory agencies, and other project stakeholders.
• Support project managers in maintaining project scope, schedule, budget, and quality.
• Participate in QA/QC reviews of plumbing calculations, drawings, specifications, and other technical deliverables.
• Support proposals, project pursuits, and client presentations as needed.
• Remain current with plumbing engineering practices, building codes, sustainability strategies, and emerging building technologies.
• 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.

Who You Are

Required Qualifications

• Bachelor’s Degree in Mechanical Engineering, Plumbing Engineering, Architectural Engineering, or a closely related discipline, or equivalent relevant industry experience.
• 5–7 years of relevant post-education experience in plumbing engineering and building systems design.
• Experience designing plumbing systems for commercial, institutional, or other building projects.
• Knowledge of plumbing and mechanical engineering principles, practices, calculations, and design processes.
• Experience with building planning, design, construction documentation, and construction administration.
• Working knowledge of the California Plumbing Code (CPC), California Building Code (CBC), applicable local codes, and relevant industry standards.
• Ability to prepare technical calculations, drawings, specifications, reports, and other engineering documentation.
• Experience coordinating plumbing systems with architecture and other engineering disciplines.
• Working proficiency with Revit and AutoCAD.
• Ability to independently complete engineering assignments while coordinating with senior engineers and project managers.
• Strong analytical and problem-solving skills with the ability to develop effective and practical engineering solutions.
• Effective written, verbal, and interpersonal communication skills.
• Strong attention to detail with the ability to manage multiple assignments and priorities in a dynamic project environment.
• Proven track record of upholding workplace safety and ability to abide by WSP’s health, safety, 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.

Preferred Qualifications

• Engineer in Training (EIT) certification or Professional Engineer (PE) license, preferably registered in California or actively pursuing California licensure.
• Certified in Plumbing Design (CPD) credential.
• LEED AP, WELL AP, or other relevant sustainability credential.
• Experience designing plumbing systems across multiple building types, including commercial, higher education, civic, hospitality, residential, mixed-use, and science & technology.
• Experience with sustainable plumbing design, water conservation, water reuse, and high-performance building strategies.
• Experience participating in QA/QC reviews.
• Experience providing technical guidance to junior engineers and designers.
• Familiarity with Bluebeam and other building design and collaboration tools.
• Experience working on multidisciplinary projects with architects, owners, contractors, and engineering consultants.

WSP Benefits:

WSP provides a comprehensive suite of benefits focused on a providing health and financial stability throughout the employee’s career. These benefits include coverage related to medical, dental, vision, disability, and life; retirement savings; paid sick leave; paid vacation (or other personal time); paid parental leave; and paid time off for purposes of bereavement, voting, and/or attendance at naturalization proceedings.

Compensation:

Expected Salary (all locations): $100,800 - $147,000

WSP USA is providing the compensation range that the company in good faith believes it might pay and offer for this position, based on the successful applicant’s education, experience, knowledge, skills, abilities in addition to internal equity and specific geographic location. WSP USA reserves the right to ultimately pay more or less than the posted range and offer additional benefits and other compensation, depending on circumstances not related to an applicant’s sex or other status protected by local, state, and/or federal law.

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