Principal Mechanical Engineer, Rail + Transit

Global Infrastructure•New York, NY

1d•$200,000 - $260,000•Hybrid

About The Position

TYLin is seeking a Principal Mechanical Engineer to lead the design and delivery of mechanical systems for complex transit infrastructure projects. The senior technical and people leadership role focuses on HVAC and elevator/vertical transportation systems supporting MTA stations, tunnels, and transit facilities. The position is anchored in the New York / MTA market, with scope expected to grow and potentially support major transit programs in other U.S. regions. The engineer will lead multidisciplinary design teams and oversee mechanical design packages from concept through final design, including drawings, specifications, and engineering reports. The role includes technical authority for HVAC, tunnel ventilation, smoke control, supporting building systems, and vertical transportation; project management and client coordination; and mentoring staff while strengthening TYLin’s Rail + Transit mechanical design capabilities.

Requirements

Bachelor’s degree in Mechanical Engineering.
15+ years of progressive mechanical engineering experience, ideally in HVAC design for rail, transit, or complex facility environments.
Experience supporting or leading elevator/vertical transportation design for station and facility projects.
Strong knowledge of relevant engineering standards, life safety requirements, and transit agency design criteria.
Proven ability to lead technical teams and manage design deliverables on major capital infrastructure programs.
Excellent communication skills and confidence working directly with clients such as the MTA and other major transportation agencies.

Nice To Haves

Master’s degree in Mechanical Engineering.
Professional Engineer (PE) license.

Responsibilities

Lead mechanical design of HVAC, tunnel ventilation, smoke control, and supporting building systems for transit stations, tunnels, and rail facilities.
Serve as a technical authority for vertical transportation systems, including elevators and related station accessibility systems.
Manage design packages from concept through final design, including drawings, specifications, and engineering reports.
Oversee engineering calculations, airflow modeling, system sizing, and performance-based design approaches.
Ensure compliance with applicable standards and codes, including NFPA, ASHRAE, NYC Building Code, and transit authority requirements.
Coordinate with architects, structural, electrical, fire/life safety, and systems teams to deliver integrated solutions.
Provide project management leadership, supporting schedules, budgets, technical coordination, and client interface.
Mentor and develop mechanical engineering staff and help grow TYLin’s mechanical design capability within Rail + Transit.
Participate in design reviews, QA/QC processes, and technical decision-making throughout project delivery.