Principal / Senior Mechanical Engineer

Interface; Honolulu (HI); On-site; USD 160,000 - 200,000; Full time

Benefits offered by this job

401(k) plan

Medical, dental, vision insurance

Employee Stock Ownership Plan (ESOP)

Generous paid time off

Job summary

A leading engineering firm in Honolulu is seeking a Principal/Senior Mechanical Design Engineer with at least 10 years of MEP design experience. Responsibilities include leading design projects across various sectors and managing technical staff. The position offers competitive pay ranging from $160,000 to $200,000 annual salary along with robust benefits including 401(k) and medical insurance. Join a firm committed to social equity and personal development, and thrive in a collaborative environment.

Qualifications

• 10+ years of experience in MEP design/consulting.
• Experience in leadership/management roles.
• Thorough knowledge of building codes and design systems.

Responsibilities

• Lead MEP Mechanical Design projects for various industries.
• Provide oversight for mechanical drawings and specifications.
• Manage the Mechanical design staff and provide project leadership.

Skills

MEP design/consulting

Team leadership

Project management

Healthcare building design

Client services skills

Communication

Education

BSME

Job description

Position

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

Location

Honolulu, HI

Company

Interface Engineering Inc.

Recruitment & Relocation

Relocation assistance will be considered for this opportunity.

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, 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!

Core Values

• Empowered.
• Respectful.
• Resilient.
• Transformative.

Key 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.

What You’ll Bring

Required

• 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

Preferred

• 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.

What You’ll Love

• 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

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 – using paid volunteer time.

Please note: H1‑B visa sponsorship or transfer is not approved for this position.

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.