Associate Principal / Senior Plumbing Design Engineer (MEP)

Interface; Chicago (IL); Hybrid; USD 123,000 - 150,000; Full time

Benefits offered by this job

Competitive pay

Employee ownership

Robust benefits

Generous PTO

Purpose-driven culture

Career development

Job summary

Interface Engineering Inc. in Chicago, IL is seeking an Associate Principal / Senior Plumbing Design Engineer (MEP) to lead plumbing design on multiple projects within a hybrid work model (2 days in office).

You will guide the discipline and collaborate with the MEP team to deliver high-performance design. The role requires a Bachelor's degree or equivalent, 8+ years in MEP plumbing, and strong leadership and project-management skills, with knowledge of IPC/UPC/IBC.

Qualifications

• 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.

Responsibilities

• Ownership as a discipline leader on multiple projects.
• 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.

Skills

Team leadership

Project management

IPC/UPC/IBC

Building codes

Design systems

Communication skills

Education

Bachelor's degree or equivalent

Job description

Location: Chicago, IL

Job Id:1243

# of Openings:1

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

Associate Principal / Senior Plumbing Design Engineer (MEP) – Chicago, IL (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 ourCollaboration from Homepolicy—giving you the flexibility of a hybrid schedule (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. OurPathway to Leadershipprogram 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:

• Empowered.


• Respectful.


• Resilient.


• Transformative.

Key Responsibilities:

As an Associate Principal / 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

What You'll Love:

• Competitive Pay: $ 122,712 to $150,404 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— 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.