Mechanical Design Engineer II/III (MEP) – San Francisco Mechanical Design Engineer II/III (MEP) – San Francisco, CA, Hybrid Interface Engineering, Inc. is a 100% employee‑owned firm offering a flexible hybrid schedule (3 days remote, 2 days in-office) and a culture focused on innovation, inclusion, and impact. Overview We are not just engineers—we are collaborators, mentors, and trailblazers in high‑performance design. Our Pathway to Leadership provides a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most. Our culture emphasizes work/life balance, personal development, cutting‑edge technology, and strong relationships. Our work takes us around the globe and on a steady growth curve, powered by people like you. Key Responsibilities 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 Required What You’ll Bring: BSME, or equivalent experience 2+ 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 Preferred A Professional Engineering License LEED Accreditation Working IES-VE knowledge What You’ll Love Competitive Pay: $90,000 to $120,000 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: Learn from 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 (e.g., beach cleanups, shelter meals, tutoring) using paid volunteer time. Please note: H1-B visa sponsorship or transfer is not approved for this position. Roles and Employment Details Seniority level: Mid‑Senior level Employment type: Full-time Job function: Engineering, Design, and Consulting Industries: Professional Services, Engineering Services, and Design Services Referrals increase your chances of interviewing at Interface Engineering, Inc. by 2x

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