Buildings Mechanical Lead

At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including, Buildings, Energy, Transportation, and Water.

We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story.

If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott MacDonald in North America.

At Mott MacDonald, we deliver impactful, career-defining work across engineering, management, and development services worldwide. As a global, employee-owned consultancy, we are driven by innovation, sustainability, and excellence across our core sectors.

At Mott MacDonald, we deliver impactful, career-defining work across engineering, management, and development services worldwide. As a global, employee-owned consultancy, we are driven by innovation, sustainability, and excellence across our core sectors.

We are seeking a Buildings HVAC Lead to join our team in Los Angeles, CA or  Austin, Texas, supporting a major projects that will transform mobility and connectivity across the city.

In this role, you will lead the design and delivery of major projects. You will ensure the effective integration of MEP systems design - providing technical leadership across multidisciplinary teams.

Key Responsibilities:

• Coordinate and manage the delivery of HVAC building systems
• Provide technical leadership and integration across multidisciplinary teams, ensuring alignment between architecture, structures, rail systems, and utilities
• Act as a key interface within the client-embedded delivery team, supporting real-time decision-making and collaboration – conveying messages to the MEP and structural designers
• Support utility coordination, third-party interfaces, and permitting activities within complex urban right-of-way environments
• Ensure the delivery of safe, reliable, and compliant station environments, aligned with industry standards and transit design best practice
• Support safety assurance, certification, and commissioning activities for station systems and infrastructure
• Contribute to the delivery of high-quality, passenger-focused station environments, supporting accessibility, usability, and urban integration
• Support design management functions including scope, schedule, risk, quality, and value engineering
• Mentor and develop engineers, fostering a high-performing and collaborative team environment

Candidate Specification:

We are looking for a highly experienced, delivery-focused leader with a strong background in HVAC design:

• 15+ years of experience in Building HVAC Systems engineering 
• BSc / MSc in Mechanical Engineering or a related discipline
• Professional Engineer (PE) license in California and/or Texas, or ability to obtain reciprocity within 6 months
• Proven experience delivering vertical infrastructure (e.g., depots, rail stations, public-use facilities)
• Demonstrated experience in design management and multidisciplinary coordination, particularly across MEP and Buildings Systems interfaces
• Experience working in client-facing or embedded delivery environments on large programs
• Strong knowledge of codes, standards, and safety considerations associated with rail and public infrastructure systems
• Excellent communication, leadership, and stakeholder management skills

Benefits & Reward

At Mott MacDonald, our employees have a stake and a voice in our business, providing them with a direct connection to our success through our personal and group performance bonuses. We provide a comprehensive benefit package that includes 401k, medical, dental and vision insurance, short-term/long-term disability, paid holidays, PTO, parental leave, and company paid life insurance.

Individual pay is determined based on several factors such as work location, education, experience, and unique skills.

The expected salary for this position is $169,000- $207,000 for Los Angeles. 

Collaboration at Our Core
At Mott MacDonald, we believe great ideas happen when we’re together. Our hybrid approach centers on an in-office culture, with most of your time spent collaborating face-to-face and a minimum of three days per week in the office. We balance flexibility with connection, so you and your manager can choose how to meet client, team, and personal commitments.

Equal opportunity is the law. 

We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

• English version
• Spanish version
• Chinese version

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, creed, marital status, sexual orientation, gender identity, citizenship status or disability status.