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Mott MacDonald

Sustainability Leader

Salary:  $180,000 – $220,000 per annum
Location:  New York, NY, US; Westwood, MA, US; Arlington, VA, US
Location flexibility:  3 office days / week
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Job Description

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.

On a day-to-day basis the successful candidate will support the delivery of multiple strategic projects for public and private sector clients by leading mandates related to sustainability and climate change for major infrastructure projects. The role will include project delivery across carbon management, climate resilience, the Institute for Sustainable Infrastructure’s Envision Framework, and the LEED rating system for major infrastructure and buildings projects.

Typical work will involve:

  • Manage sustainability implementation and strategic sustainability advisory on large capital projects for a range of public and private sector clients.
  • Develop sustainability management plans for major infrastructure projects, addressing climate and sustainability metrics including GHG emissions, climate resiliency, waste management and reduction, construction energy use, and materials procurement.
  • Collaborate with sustainability subject specialists (including climate resiliency and GHG emissions) to conduct assessments of sustainability performance metrics and integrate sustainability strategies into project delivery.
  • Work with wider project teams, including internal design teams and contractors, to embed and deliver sustainability requirements across the project lifecycle.
  • Exercise project leadership through supporting project managers and teams to deliver high quality work and exercise sound commercial awareness.
  • Participate in the wider global community of advisory and climate change consultants within Mott MacDonald, managing team contributions and collaborating with colleagues across the region and across all regions.
  • Mentor, coach, and manage junior colleagues to build their capabilities, commercial awareness, and confidence in project delivery.
  • Together with others in the team, provide thought leadership in the market, prepare materials for and attend industry events, and engage with our clients to share our collective experience.
  • Support the growth of the sustainability and climate change practice by identifying opportunities, strengthening client relationships, and contributing to proposals and strategic market development.

Candidates who can demonstrate the following skills and experience will be considered for the role:

  • Bachelor's degree in Engineering, Environmental Science, Sustainability, Planning, or a related discipline; advanced degree preferred.
  • 15+ years of progressive experience in infrastructure development, engineering, sustainability consulting, or related professional services environments.
  • Proven experience leading sustainability strategies and delivery for large, complex infrastructure programs and projects.
  • Demonstrated success in achieving Envision verification and/or LEED certification, including experience managing certification processes, stakeholder engagement, and documentation requirements through project completion.
  • Active Envision Sustainability Professional (ENV SP) and/or LEED Accredited Professional (LEED AP BD+C) credentials required.
  • Extensive experience supporting infrastructure projects delivered through a variety of procurement and delivery methods, including Design-Build, Progressive Design-Build, CMAR, and Public-Private Partnerships (P3s).
  • Strong commercial and business acumen with the ability to align sustainability objectives with client priorities, project outcomes, risk management, and financial performance.
  • Demonstrated experience developing winning pursuits, leading proposal efforts, and positioning sustainability services as a key differentiator in major infrastructure opportunities.
  • Proven track record of business development, client relationship management, and revenue growth, including identifying opportunities, securing new work, and expanding existing client accounts.
  • Experience serving as a project manager, program manager, or discipline lead with responsibility for project scope, budgets, schedules, contracts, and resource management.
  • Strong understanding of project governance, commercial management, quality assurance, and contractual requirements within a consulting environment.
  • Recognized ability to provide technical leadership while mentoring, coaching, and developing high-performing teams across multiple projects and offices.

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 $180,000 - $220,000

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
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  • 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.

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Company benefits

Accrued annual leave
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Annual bonus
Annual pay rises
Bank holiday swaps
Bike parking
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Buddy scheme
Buy or sell annual leave
Carer’s leave – up to 5 days, two of which are paid
Collaboration spaces
Compassionate leave
Critical Illness Insurance
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Dental coverage
Employee assistance programme
Employee discounts
Enhanced maternity leave – 26 weeks full pay
Enhanced paternity leave – 2 weeks
Enhanced pension match/contribution – matched up to 7%
Enhanced sick pay
Ergonomic workstations
Eye Care Support – Eyecare vouchers
Faith rooms
Fully stocked snack cupboard
Further education support
Health assessment
In house training
Income protection
L&D budget
Learning platform
Life assurance
Life insurance – 4 x salary
Lunch and learns
Meditation space
Meditation space
Menopause support
Mentoring
Modern office
On-site shower
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Open to part-time employees
Pregnancy loss leave
Pregnancy support
Private booths
Private GP service – Private Medical care for all UK staff
Professional subscriptions – We pay for your primary professional annual subscription
Referral bonus
Religious celebration leave
Reservist leave – 10 days leave
Returnship
Salary sacrifice
Share options
Shared parental leave – We match up to 24 weeks full pay
Study support
Tax-free childcare
Teambuilding days
Theme park discounts
Travel loan
Women’s health leave
Women’s health support
Mental health first aiders
Mental health support
Emergency leave

Awards & Accreditations

Best Employee Wellbeing

Top 5 - Best Employee Wellbeing

Flexa awards 2026
Best Career Progression

Top 10 - Best Career Progression

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2nd - Best Career Progression

2nd - Best Career Progression

Flexa awards 2025
3rd - Most Family Friendly Company

3rd - Most Family Friendly Company

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

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Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025
Apply
Exceptional written, verbal, and presentation skills, with experience engaging executive stakeholders, clients, public agencies, and project teams.
  • Ability to influence decision-making and build consensus among diverse stakeholders in complex project environments.
  • Demonstrated ability to operate independently, exercise sound professional judgment, and lead strategic initiatives with minimal oversight.
  • Established industry profile through professional associations, conference presentations, thought leadership, or participation in sustainability and infrastructure-focused organizations preferred.
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    Company employees:

    18,000 worldwide

    Gender diversity (m:f:n-b):

    0:35:65

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