P2S stands as a provider of professional engineering services to a broad range of markets, including higher education, healthcare, ports/harbors, industrial, entertainment, commercial, laboratories, municipal, and federal sectors. Our specialties include electrical, mechanical, plumbing, fire protection, and technology integration. Our offered services range from engineering and commissioning to construction management. With over 300 dedicated employees, P2S is an internationally recognized leader in many of the key markets we serve. We provide a blend of innovation and technical excellence in delivering green solutions that enhance and sustain the built, natural, and social environments. Currently, we have offices in Long Beach, Seattle, Irvine, San Diego, Los Angeles, and San Jose.
Are you a Senior Plumbing Engineer with 10+ years of experience looking to grow your career?
Join our award-winning team. Recognized as a Best Place to Work for over a decade, P2S offers a collaborative, innovative environment where your contributions make a real impact. We’re seeking a senior-level Plumbing Engineer to lead healthcare-focused projects in our Irvine or Long Beach office. If you’re passionate about technical excellence, client service, and mentoring others, we’d love to hear from you.
Employment Type: Full-time
Work Schedule: Hybrid — 3 days in-office, 2 days remote
Salary Range: $150,000–$183,000, based on experience
Career Level: Senior
Location: Irvine, CA or Long Beach, CA
General Responsibilities
As a Senior Plumbing Engineer, you will lead all phases of healthcare-related projects—from proposal development through construction completion. You’ll apply advanced engineering concepts, manage complex design and documentation efforts, and oversee budgeting, scheduling, and client coordination. You’ll also mentor junior engineers and contribute to business development initiatives.

Design & Technical Leadership

• Apply advanced engineering concepts to solve complex plumbing design challenges
• Develop specifications (including Division 1) and construction estimates for large healthcare projects
• Perform complex engineering and economic calculations and modeling
• Troubleshoot operating systems and resolve technical disputes
• Peer review large-scale designs and reports

Project Management

• Administer project budgets, schedules, and deliverables
• Seal drawings and provide direction to design teams
• Manage multiple large projects involving senior engineers and subconsultants
• Lead construction meetings and produce documentation, including punch lists and meeting reports

Business Development

• Prepare proposals for large healthcare projects
• Develop business with new and existing clients
• Represent P2S in client presentations and professional organizations

Education & Certification

• Bachelor’s or Master’s Degree in Mechanical Engineering (preferred)
• California Professional Engineering (PE) License or CPD registration (preferred)
• PE registration in other states is a plus

Experience Required

• 10+ years of plumbing design and project management experience
• Strong knowledge of HCAI codes and standards, FGI Guidelines, and NFPA-99
• Comfortable presenting complex engineering concepts to clients and stakeholders

Working Knowledge

• California Plumbing Code
• National Plumbing Code
• California Energy Code
• Microsoft Office Suite
• Bluebeam
• Revit
• AutoCAD (a plus)

LI-Hybrid #LI-CC1

What sets P2S apart?
For 15 years in a row, P2S has been regarded as a “Best Place to Work” by our employees. Why? Because we value satisfied employees just as much as satisfied clients. With competitive benefits, flexible work schedules, paid training/professional memberships, and more. - we aim to attract the best talent and keep them here
Learn more about what it means to work at P2S: https://www.p2sinc.com/join
About Legence
Legence, a Blackstone Portfolio Company, is North America’s leading, integrated provider of energy efficiency and sustainability solutions for the built environment. Legence improves the performance of buildings, making the spaces that shape our lives healthier and more sustainable. We specialize in helping clients decrease operating costs, reduce carbon emissions, and enhance occupant well-being and productivity. From advisory services and design to construction and ongoing maintenance, we offer a comprehensive suite of Stackable Solutions™ across the entire building lifecycle. With over a century of experience, we have the expertise to implement high-performing projects with unmatched outcomes, serving industry leaders in mission-critical and other essential sectors such as data centers, semiconductors, life sciences, healthcare, education, and more.
Benefits

Please refer the Job description for details