Principal / Senior Mechanical Design Engineer

Interface Engineering • Honolulu, HI

13d • $160,000 - $200,000 • Hybrid

About The Position

Principal / Senior Mechanical Design Engineer (MEP) – Honolulu, HI (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’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.

Requirements

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

Nice To Haves

• 10-15 years’ experience in positions of increasing leadership in the commercial A/E engineering field
• Advanced knowledge of HVAC systems in healthcare, educational, and commercial sectors.
• Knowledge of industry codes and standards.

Responsibilities

• Leading MEP Mechanical Design Projects for buildings in the commercial, medical, education, transportation, hospitality, retail, and other industries.
• Oversight (EOR) for the preparation of mechanical drawings, sketches, analysis, specifications and calculations.
• Leadership of Mechanical design staff.
• Providing construction administration & site observations related to your projects.
• Providing exemplary service to team members and clients.
• Developing and executing business with new and existing clients.

Benefits

• Competitive Pay : $160,000 to $200,000 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