Join a People-First, Employee-Owned Firm That’s Redefining Flexibility and Growth

Senior Plumbing Designe Engineer (MEP) – Portland, OR (Hybrid)
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 (at least 2 days in-office) while staying connected to a team that values innovation, inclusion, and impact.

Why Interface?

We’re not just engineers—we’re 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.

Our Culture
Interface has the company culture and work environment you have been seeking! You’ll find a workplace with a culture of fun, and superior work/life balance benefits, expansive personal development opportunities, cutting-edge technology, and great relationships. You’ll 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!

Our Core Values:

Our core values capture the essence of who we are. We live and breathe them, and they inform everything we do. We are:

Conscientious.
Empowered.
Respectful.
Resilient.
Transformative.

Key Responsibilities:
As a Senior Plumbing Engineer at Interface, you will be taking ownership as a discipline leader on multiple projects. Your duties will include, but may not be limited to:

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 design support staff
Providing construction administration & site observations related to your projects.
Delivering exemplary service and support to team members and clients.
Supporting overall project management to our MEP team leaders.

What You'll Bring:

Required

Bachelor's degree or relevant work experience equivalent to a degree.
8+ years' experience in MEP plumbing design/consulting
Team leadership/management experience
Project management experience in the MEP space
Working knowledge of IPC/UPC and IBC standards
Complete understanding of building codes
Thorough design system knowledge

Preferred

A Professional Engineering License or CPD Certification
LEED® Accreditation
Working Autodesk® REVIT knowledge

What You'll Love:

Competitive Pay: $92,622 to $148,915 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

Ready to grow with us?
If you’re 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.

Social Equity:

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.

#LI-EJ1

Job Type: Full-time

Benefits:

401(k)
Dental insurance
Employee assistance program
Employee discount
Flexible schedule
Flexible spending account
Health insurance
Health savings account
Life insurance
Paid time off
Professional development assistance
Relocation assistance
Retirement plan
Vision insurance

People with a criminal record are encouraged to apply

Work Location: Hybrid remote in Portland, OR 97204

Interface Engineering, Inc.

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Senior Plumbing Design Engineer (MEP)