Senior Mechanical Lead, Rail & Transit HVAC

TYLin; Philadelphia (Philadelphia County); Hybrid; USD 175,000 - 230,000; Full time

Benefits offered by this job

Hybrid work model

Medical, disability & life insurance

Continuing education benefits

Paid time off

Retirement plan with company match

Job summary

TYLin seeks a Chief Mechanical Engineer to lead the design and delivery of HVAC, tunnel ventilation, and vertical transportation systems for North American transit projects. This senior role combines technical leadership with project oversight across multidisciplinary teams, supporting MTA, Amtrak, WMATA and others.

Accountable for design packages from concept to final design, this position emphasizes airflow modeling, life-safety compliance, and coordination with architects and systems teams in

Qualifications

• Bachelor's degree in Mechanical Engineering required; Master preferred.
• 15+ years of progressive mechanical engineering experience in rail/transit or complex facilities.
• Expertise in HVAC and tunnel ventilation design for underground infrastructure.
• Experience leading elevator/vertical transportation design for stations/facilities.

Responsibilities

• Lead mechanical design of HVAC, ventilation, and support systems for transit stations, tunnels, and rail facilities.
• Serve as technical authority for vertical transportation systems.
• Manage design packages from concept through final design with drawings, specs, and reports.
• Oversee airflow modeling, system sizing, and performance-based design approaches.
• Ensure compliance with NFPA, ASHRAE, NYC Building Code and transit criteria.
• Collaborate with architects, electrical, fire/life safety, and systems teams.
• Provide project management support: schedules, budgets, and client interface.
• Mentor mechanical staff to grow TYLin’s Rail + Transit capabilities.
• Participate in design reviews and QA/QC throughout delivery.

Skills

HVAC design

Tunnel ventilation

Vertical transportation design

Project management

Team leadership

Client communication

Education

Bachelor's degree in Mechanical Engineering

Master's degree preferred

Tools

CFD modeling

Engineering calculations

Job description

TYLin seeks a Chief Mechanical Engineer to lead the design and delivery of HVAC, tunnel ventilation, and vertical transportation systems for North American transit projects. This senior role combines technical leadership with project oversight across multidisciplinary teams, supporting MTA, Amtrak, WMATA and others.

Accountable for design packages from concept to final design, this position emphasizes airflow modeling, life-safety compliance, and coordination with architects and systems teams in