Associate Principal / Senior Mechanical Design Engineer

Interface Engineering • Denver, CO

10d • $120,000 - $145,000 • Hybrid

About The Position

Associate Principal / Senior Mechanical Design Engineer (MEP) – Denver, CO (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. Why Interface? 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. Our Culture 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.

Requirements

• BSME
• 10+ years' experience in MEP design/consulting in the Denver metro area
• 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

Nice To Haves

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

Responsibilities

• 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.

Benefits

• Competitive Pay : $120,000 to $145,000 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level