Plumbing Design Engineer

Plumbing Design Engineer (Design Engineer II / III)

This position is based in the Greater Los Angeles/Orange County/Inland Empire areas. AMPAM is open to considering onsite, hybrid, or remote work arrangements for qualified candidates based on skills, experience, and the needs of the role. Candidates must reside within the Greater Los Angeles/Orange County/Inland Empire area and be available to work onsite at our Carson, CA location as business needs require.

Design the plumbing systems behind California's next generation of multifamily communities.

AMPAM is continuing to grow, and we're expanding our Plumbing Engineering team.

With more than 1,500 employees , a strong backlog of work, recent strategic acquisitions, and continued investment in our engineering organization, there's never been a better time to build your career with one of California's leading design-build MEP contractors.

Why engineers are joining AMPAM:

• Newly created position due to company growth
• Work on large multifamily and other complex building projects throughout California
• Opportunity to join a collaborative design-build engineering team
• Career advancement with flexibility to hire at multiple engineering levels
• Clear path toward senior engineering responsibilities and professional licensure

The Opportunity

We're growing our Plumbing Engineering team and are hiring experienced engineers at either the Design Engineer II or Design Engineer III level.

The final title, responsibilities, and compensation will be determined based on your experience, technical expertise, licensure, and overall qualifications.

Whether you're looking to continue building your technical expertise or take on larger, more complex projects with increasing leadership responsibilities, we'd love to talk with you.

Design Buildings That Shape Communities

As a Plumbing Design Engineer, you'll design plumbing systems for multifamily residential communities while collaborating with architects, project managers, field teams, and fellow engineers from concept through construction.

While multifamily construction is our primary focus, we also welcome candidates with experience designing plumbing systems for commercial buildings, healthcare facilities, hospitals, higher education, student housing, hospitality, mixed-use developments, or other complex building types.

Working in AMPAM's integrated design-build environment gives you the opportunity to collaborate closely with construction teams and see your designs come to life.

Why Join AMPAM?

Recognized throughout the MEP industry for our commitment to excellence and customer satisfaction, AMPAM offers more than just a job—we offer a place to build a long-term career.

Our employees are encouraged to leverage their talents while collaborating with experienced professionals who are passionate about delivering exceptional work. Leadership fosters an inclusive environment where ideas are valued, professional development is encouraged, and career growth is supported at every level.

As AMPAM continues to expand—including the recent acquisition of Coastal Fire & Integration Systems—we're investing in exceptional engineers who want to grow with us.

What You'll Do

• Design plumbing systems for multifamily and other complex building projects from schematic design through construction documents.
• Prepare engineering calculations, technical drawings, and construction documentation.
• Develop and coordinate plumbing system models using AutoCAD and Revit.
• Coordinate designs with architectural, structural, mechanical, and electrical disciplines.
• Participate in BIM coordination, project meetings, and design reviews.
• Research plumbing materials, equipment, and system solutions that support project objectives.
• Review shop drawings, submittals, RFIs, and support construction administration activities.
• Apply plumbing codes, engineering standards, and sustainable design principles to deliver high-quality engineering solutions.
• Contribute to improving engineering standards, design quality, and project delivery processes.

What Success Looks Like

Within your first year, you'll:

• Successfully design plumbing systems for multiple multifamily and commercial building projects.
• Become a trusted engineering resource within the Plumbing Engineering team.
• Build strong relationships with architects, project managers, contractors, and fellow engineers.
• Continue expanding your technical expertise while taking on increasing project responsibility.
• Help support the continued growth of AMPAM's Plumbing Engineering team.

What You Bring

Education & Experience

• Bachelor's degree in Mechanical Engineering, Architectural Engineering, or a related engineering discipline.
• 3+ years of experience designing plumbing or building systems within an MEP consulting or design-build environment.
• Experience with multifamily residential projects is highly desirable; however, candidates with commercial, healthcare, hospitals, higher education, hospitality, mixed-use, or other complex building experience are also encouraged to apply.
• Engineer-in-Training (EIT) certification or active pursuit of licensure is preferred.

Technical Skills

• Proficiency with AutoCAD and Revit.
• Strong understanding of plumbing systems and building design principles.
• Ability to prepare engineering calculations and construction documents.
• Excellent analytical, organizational, communication, and problem-solving skills.
• Ability to manage multiple projects and deadlines while collaborating across multidisciplinary teams.
• Working knowledge of Microsoft Office.

Compensation

The expected hiring range for this position is $80,000 - $130,000 annually. Actual compensation will depend on level, experience, certifications and technical expertise.

AMPAM is growing and is open to hiring engineers at multiple levels. If your compensation expectations fall outside of our anticipated range, we still encourage you to apply—we'd welcome the opportunity to discuss how your experience may align with our team.

Applicants must be currently authorized to work in the United States on a full-time basis without current or future employment sponsorship.

Recruitment Agencies

AMPAM is not engaging external recruitment agencies for this position at this time. Please do not submit resumes or candidate information to AMPAM employees or hiring managers. AMPAM does not accept unsolicited agency submissions, and any unsolicited resumes received will be considered the property of AMPAM without obligation to pay a placement or referral fee.