What are the responsibilities and job description for the Senior Mechanical Engineer - Associate position at Plan B Climatech?
About the Firm
This position is with a leading building systems design consultancy, widely recognized as New York City’s #1 MEP engineering firm and a benchmark for design excellence nationwide. The firm specializes in complex, high-profile projects across commercial, high-rise residential, cultural, institutional, and infrastructure sectors. Its multidisciplinary team delivers innovative, sustainable, and technically rigorous engineering solutions for some of the city’s most iconic buildings.
Role Overview
As an Associate - Senior Mechanical Engineer, you will take a leadership role in the design and coordination of mechanical systems for large-scale building projects. You’ll manage project deliverables from concept through construction, mentor junior engineers, and serve as a primary technical and client-facing representative.
Key Responsibilities
- Lead HVAC and mechanical system design for commercial, institutional, and mixed-use developments
- Develop design concepts, perform load calculations, and prepare system schematics and equipment layouts
- Coordinate closely with electrical, plumbing, fire protection, structural, and architectural teams to ensure seamless integration
- Oversee design documentation through all project phases (SD, DD, CD)
- Review submittals, respond to RFIs, and perform site visits to verify installation and performance
- Mentor and supervise junior engineers, ensuring technical accuracy and professional growth
- Support project management tasks, including scheduling, budgeting, and client communication
- Contribute to internal initiatives focused on design innovation, technical standards, and sustainability
- Participate in business development efforts through proposal support and client presentations
Qualifications
Bachelor’s degree in Mechanical Engineering or related discipline
Professional Engineer (PE) license or ability to obtain
8–14 years of experience in mechanical building systems design
Experience with high-rise, cultural, or institutional projects
Strong technical knowledge of HVAC design and energy codes
Familiarity with LEED, WELL, or other sustainability programs
Proficiency in Revit, AutoCAD, and load calculation software
Experience with BIM coordination and advanced modeling tools
Strong communication and organizational skills
Prior client-facing experience and team leadership responsibilities
Compensation & Benefits
- Estimated Salary Range: $120,000 – $165,000 annually (depending on experience and title level)
- Hybrid work model (3 days in office)
- Comprehensive benefits including medical, dental, vision, 401(k) match, PTO, professional development programs, and continuing education support
Why Join
This is an opportunity to join New York’s most respected design consultancy, known for its culture of technical excellence, mentorship, and long-term employee growth. You’ll work alongside industry leaders on transformative projects shaping the city’s skyline.
Salary : $120,000 - $165,000
