Senior Mechanical Design Engineer

Position Overview

Join a people-first, employee-owned firm that is redefining flexibility and growth at Interface Engineering Inc. as a Senior Mechanical Design Engineer (MEP). At Interface Engineering, your career is as dynamic and rewarding as the projects you support. With a Location: Oakland, CA (Hybrid) setup and our Collaboration from Home policy — requiring 2 days in-office per week — you’ll experience an inclusive culture that values innovation, mentorship, and impactful work. Our transparent Pathway to Leadership program and a thriving work environment powered by industry leaders ensure your professional growth and personal development.

Key Responsibilities

• Take ownership as a discipline lead on multiple projects.
• Design and engineer HVAC systems including system selection and calculations.
• Prepare HVAC drawings, analyses, specifications, and calculations.
• Demonstrate excellent communication skills and provide oversight of HVAC support staff.
• Oversee construction administration and conduct site observations related to projects.
• Deliver exemplary service to both team members and clients.

Required Qualifications

• BS in Mechanical Engineering or equivalent experience.
• Experience Required: 7+ years in MEP/AEC design and consulting.
• Advanced knowledge of HVAC systems in public safety, educational, and commercial sectors.
• Familiarity with industry codes and standards.
• Proven experience interacting with clients through meetings and presentations.

Preferred Qualifications

• Professional Engineering License.
• LEED Accreditation.
• Working knowledge of IES-VE software.

Benefits & Perks

• Salary: $111,147 to $158,607 annual salary with a conditional bonus.
• Employee Ownership: Build equity through our Employee Stock Ownership Plan (ESOP).
• Benefits: 401(k), medical/dental/vision, life & disability insurance, transportation benefits, and more.
• Generous Time Off: PTO, paid holidays, and a company closure 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 benefit from continuous learning opportunities.