Associate Principal / Senior Mechanical 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 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, and 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!

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

• Build and lead local MEP design teams.
• Develop and maintain a book of local clients (architects and owners). HVAC system selection, engineering & design.
• Preparation of HVAC drawings, analysis, specifications, and calculations.
• Demonstrate excellent communication skills.
• Provide oversight of HVAC support staff.
• Provide construction administration & site observations related to your projects.
• Provide exemplary service to team members and clients.

• BSME
• 10+ years' experience in MEP design/consulting
• Team leadership/management experience
• Project Management Experience in the MEP space
• High-energy client services skills
• Excellent communication ability
• Complete understanding of building codes
• Thorough design system knowledge

• A Professional Engineering License (or equivalent experience)
• LEED Accreditation
• Working IES-VE Knowledge

Ready to grow with us?
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.

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.