Mechanical Design Engineer III (MEP)
- Interface Engineering, Inc.
- Honolulu, Hawaii
- Full Time
Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth
Mechanical Design Engineer III (MEP) - Honolulu, HI (Hybrid)
Interface Engineering Inc.
Please note: Relocation assistance is not offered with this position.
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 policygiving 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 engineerswe'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!
Our Core Values:
The following Core Values capture the essence of who we are. We live and breathe them, and they inform everything we do.
We are Conscientious
We are Empowered
We are Respectful
We are Transformative
We are Resilient
Key Responsibilities:
As a Mechanical Design Engineer III at Interface, you will be taking ownership as a discipline lead on multiple projects. Your duties will include (but may not be limited to):
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
What You'll Bring:
Required:
BSME, or equivalent experience.
5+ years' MEP/AEC design and consulting experience.
Advanced knowledge of HVAC systems in public safety, educational, and commercial sectors.
Knowledge of industry codes and standards
Demonstrated interaction with clients in meetings or presentations
Live within commuting distance of our Honolulu office.
Preferred:
A Professional Engineering License
LEED Accreditation
Working IES-VE knowledge
What You'll Love
Competitive Pay : $81,512 to $105,585 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 apply today 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.
#LI-EJ1
Mechanical Design Engineer III (MEP) - Honolulu, HI (Hybrid)
Interface Engineering Inc.
Please note: Relocation assistance is not offered with this position.
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 policygiving 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 engineerswe'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!
Our Core Values:
The following Core Values capture the essence of who we are. We live and breathe them, and they inform everything we do.
We are Conscientious
We are Empowered
We are Respectful
We are Transformative
We are Resilient
Key Responsibilities:
As a Mechanical Design Engineer III at Interface, you will be taking ownership as a discipline lead on multiple projects. Your duties will include (but may not be limited to):
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
What You'll Bring:
Required:
BSME, or equivalent experience.
5+ years' MEP/AEC design and consulting experience.
Advanced knowledge of HVAC systems in public safety, educational, and commercial sectors.
Knowledge of industry codes and standards
Demonstrated interaction with clients in meetings or presentations
Live within commuting distance of our Honolulu office.
Preferred:
A Professional Engineering License
LEED Accreditation
Working IES-VE knowledge
What You'll Love
Competitive Pay : $81,512 to $105,585 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 apply today 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.
#LI-EJ1
Job ID: 520846207
Originally Posted on: 5/12/2026
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