Lead Plumbing Engineer

The Opportunity

PAE is looking for a Lead Plumbing Design Engineer to oversee the design and delivery of plumbing and fire protection systems from concept through construction for our Los Angeles office. This hybrid role manages key project deliverables including calculations, drawings, specifications, and cost opinions while ensuring alignment with budget, schedule, and quality expectations. The position provides technical leadership, mentorship, and interdisciplinary coordination, along with performing system calculations, equipment selection, site visits, and updates to firmwide standards.

Success in this role requires strong communication skills, a solid understanding of plumbing, HVAC, and fire protection systems, proficiency in Revit, AutoCAD, and Microsoft Office, and familiarity with UPC, IPC, NFPA, and IBC. A bachelor's degree and at least four years of plumbing design experience are required, and PE or CPD credentials are preferred. This position is a hybrid role, combining in-office collaboration with remote flexibility.

Who We Are

PAE is an engineering and design firm that turns complex challenges into reality. By leveraging the latest technologies, we solve problems in unique ways, and our designs enable buildings and communities to be more resilient and efficient. PAE is trusted by our clients in every aspect of a project's lifespan, from idea to occupancy. We set ambitious goals backed by analysis to significantly conserve water and energy while balancing costs and long-term operational needs.

As a B Corp, we measure success by the benefits our projects provide to our clients, our communities, and our planet. We embrace innovation, transparency, sustainability, and lifelong curiosity.

What You'll Do

• Oversee the preparation of deliverables and documents including narratives, calculations, drawings and specifications
• Able to effectively communicate plumbing design options to a diverse stakeholder group
• Determine fire protection and plumbing system requirements for various building types
• Provide design direction, mentorship and guidance for the project team
• Independently evaluate and apply engineering judgment, techniques, and procedures to complete a project from concepts through construction
• Complete the project within the budget and schedule
• Knowledge of other disciplines and direct interdisciplinary coordination
• Provide updates to master specifications; provide input into standards
• Perform plumbing design calculations and equipment selection
• Provide opinions of probable construction costs
• Perform site visits and issues reports
• Implement the project quality management plan (QMP)
• Perform other duties as assigned

What You Bring

• Bachelor's Degree for discipline work or equivalent experience
• Relevant Professional Credential (i.e., PE, CPD) preferred
• 4+ years' experience in plumbing design
• Thorough understanding of mechanical engineering concepts, HVAC, Plumbing, and Fire Protection
• Thorough understanding of project phases and their associated deliverables
• Develop the ability to assemble and run a team
• Understand plumbing design concepts and effectively communicate them to others
• Knowledge of applicable plumbing codes and standards including: UPC, IPC, NFPA and IBC
• Microsoft Office Suite
• Revit/AutoCAD

What We Offer

• Hiring Base Salary Range: $92,400-$121,400annual
  • This position is eligible for time and a half overtime pay

The base salary is one component of PAE's competitive compensation package for employees. We take into consideration a variety of factors including but not limited to skills, abilities, experience, education, credentials, internal equity and geographic location in determining exact salary offered. At PAE, roles are eligible for additional rewards, including salary increases and annual bonuses based on individual performance. The above range represents PAE's good faith and reasonable estimate of the range of possible compensation at the time of posting.

In addition, PAE offers a comprehensive benefits package which includes the following:

• Employer paid health insurance (medical, dental, vision)
• Annual 401k profit sharing based on company profit for the year and account contribution
• Professional development reimbursements including state registration and professional association dues
• Hybrid work schedule
• Employer paid commuter/parking stipend
• Cell phone stipend
• Life insurance and disability benefits
• Employee Assistance Program
• 9 paid holidays including an additional employee-selected day off
• Paid time off for sick leave, family leave, community service, holidays and vacation
• To learn more about our comprehensive benefits package, visit  This information is provided per the Equal Pay Act

Our commitment to pay equity

PAE is a JUST label certified company; we demonstrate JUST label requirements within pay equity. Pay scales should meet or exceed applicable legislated wage requirements and industry standards and compensate, on the same basis, all individuals performing the same or similar work and work of equal value. We are…