Senior Mechanical HVAC Project Engineer

Thornton Tomasetti • New York, NY

4d • $115,000 - $160,000

About The Position

Thornton Tomasetti applies engineering and scientific principles to solve the world’s challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career. If you’re an engineer who wants bigger challenges, more technical depth, and a clear runway toward becoming a recognized expert, Thornton Tomasetti is the place where that trajectory happens. As a Senior Mechanical Project Engineer in our Restoration & Renewal Practice, you will independently lead complex building system evaluations, renovation solutions, and mechanical system upgrades. You will mentor staff, guide project technical direction, and contribute to client engagement and proposals.

Requirements

• Bachelor’s degree in Mechanical Engineering; Master’s degree preferred.
• Professional Engineer (PE) licensure preferred.
• 6+ years of mechanical engineering design experience, ideally focused on existing building system evaluation, renovation or adaptive reuse projects.
• Ability to independently troubleshoot complex challenges and develop engineering approaches.
• Curiosity, initiative, and desire to grow into a technical leader.

Responsibilities

• Lead major mechanical system evaluations and upgrade solutions on complex projects.
• Prepare technical deliverables, reports, and documentation that communicate clearly with clients and teams.
• Coordinate with owners, architects, consultants and contractors to ensure project success.
• Mentor junior engineers and support team growth and technical excellence.
• Contribute to proposals, thought leadership, and client-facing opportunities.

Benefits

• Medical, Dental, Vision, Life, AD&D, Disability and other voluntary benefits
• Flexible Spending Accounts for Medical and Childcare
• Paid Time Off, Family Leave for New Parents, Volunteer Time
• Tuition Reimbursement
• Commuter Transit (where available)
• 401k retirement savings with Company matching on employee contributions and/or qualified student loan repayments
• Fitness Reimbursement
• And other various wellness, diversity/inclusion and employee resource programs and initiatives

What This Job Offers

• Job Type: Full-time
• Career Level: Senior