Plumbing Design Engineer II​/III

Plumbing Design Engineer II/III (MEP) – San Francisco, CA (Hybrid)

Join to apply for the Plumbing Design Engineer II/III role at Interface Engineering, Inc.

At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee‑owned firm, we’re proud to offer our Collaboration from Home policy—giving you the flexibility of a hybrid schedule (2 days in‑office per week minimum) while staying connected to a team that values innovation, inclusion, and impact.

We are not just engineers—we are collaborators, mentors, and trailblazers in high‑performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most.

Interface has the company culture and work environment you have been seeking! You will find a workplace with a culture of fun, superior work/life balance benefits, expansive personal development opportunities, innovative technology, and great relationships. You will work alongside MEP industry leaders who will help you develop your own thriving career path. Our work takes us around the globe and on a steady growth curve.

Our success and innovation are powered by people like you!

• We are Conscientious
• We are Empowered
• We are Respectful
• We are Transformative
• We are Resilient

• Responsibility for plumbing system selection, engineering & design
• Preparation of plumbing drawings, sketches, analysis, specifications, and calculations
• Demonstrating excellent verbal and written communication skills
• Providing management and oversight of plumbing support staff
• Providing construction administration & site observations related to your projects.
• Delivering exemplary service and support to team members and clients.

• BSME, CPD (or equivalent experience)
• 2‑10 years’ experience in MEP plumbing design/consulting
• Working knowledge of IPC/UPC and IBC standards

• A Professional Engineering License
• LEED Accreditation
• Working Autodesk® REVIT knowledge

• Competitive Pay: $75,000 to $110,000 annual salary and conditional bonus
• Employee Ownership:
  Build equity through our Employee Stock Ownership Plan (ESOP)
• Robust Benefits: 401(k), medical/dental/vision, life & disability insurance, transportation benefits…and more!
• Generous Time Off: PTO, paid holidays, and company closure to clients from Christmas to New Year’s
• Purpose‑Driven Culture:
  Paid volunteer time and a commitment to social equity
• Career Development:
  Work alongside industry leaders and access continuous learning opportunities

Interface is committed to social equity within our walls and in our communities. We are a diverse, inclusive, and responsible firm. Interface provides equal employment opportunities (EEO) to employees and applicants regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status or any other applicable federal or state‑protected classifications. We support local business and seek to partner with small and minority‑owned firms on our projects.

Our staff is empowered to design community service programs (e.g., clean‑up beaches, serve meals at shelters, tutor school‑aged children, etc.) – using paid volunteer time.

Please note:

H1‑B visa sponsorship or transfer is not approved for this position.

If you are looking for a role where your voice matters, your growth is supported, and your work makes a difference—
apply today and become part of the Interface Engineering family.