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Mott MacDonald • Orange, CA, US

Highways Design Lead

Employment type:  Full time
Salary:  $225,000 – $275,000 per annum
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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.

We are seeking an experienced Highways & Transportation Design Lead to join our team in Orange, CA. The ideal candidate will hold a California Professional Engineer (PE) license and bring 25+ years of expertise in highway and transportation design. This individual will lead complex design projects, mentor teams, and drive successful pursuits for PSR, PA&ED, and PS&E phases.

Key Responsibilities:

  • Lead and manage highway and transportation design projects from concept through delivery
  • Build and develop high-performing design teams to execute projects efficiently
  • Oversee preparation of Project Study Reports (PSR), Project Approval & Environmental Documents (PA&ED), and Plans, Specifications & Estimates (PS&E)
  • Ensure compliance with Caltrans design standards and other applicable regulations
  • Collaborate with clients, stakeholders, and internal teams to deliver innovative solutions
  • Support and lead alternate project delivery methods (Design-Build, CM/GC) as needed
  • Drive business development efforts, including proposal preparation and pursuit strategy
  • Promote the Mott MacDonald Brand for Design services, identifying industry events to sponsor and attend

Qualifications:

  • California PE license required
  • 25+ years of experience in highway and transportation design
  • Proven track record of winning and delivering PSR, PA&ED, and PS&E pursuits
  • Strong background in Caltrans design standards and processes
  • Demonstrated ability to build and lead design teams
  • Experience with alternate project delivery methods preferred
  • Excellent communication, leadership, and client management skills

Preferred Skills:

  • Familiarity with Caltrans procedures and specifications
  • Alternative Project Delivery experience
  • Strategic thinking and ability to manage complex projects
  • Proficiency in relevant design software and tools

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 $225,000 - $275,000.

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.

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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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3 office days / week

A little flex time – We’re happy to talk flexible working and how we can support your responsibilities beyond the workplace. We offer a range of options depending on your role, so please discuss this with your recruiter.

Company benefits

Accrued annual leave
Adoption leave – 26 weeks full pay
Annual bonus
Annual pay rises
Bank holiday swaps
Bike parking
Book swaps
Buddy scheme
Buy or sell annual leave
Carer’s leave – up to 5 days, two of which are paid
Compassionate leave
Critical Illness Insurance
Cycle to work scheme
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
Mentoring
Modern office
On-site shower
On-site yoga classes
Open to part time work for some roles
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
Menopause support
Women’s health support
Collaboration spaces

Awards & Accreditations

Best Employee Wellbeing

Top 5 - Best Employee Wellbeing

Flexa awards 2026
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2026
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

Flexa awards 2025
Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025
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Company employees:

18,000 worldwide

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

0:35:65

Hiring in countries

Australia

Bulgaria

Canada

Czechia

Germany

Hong Kong

India

Ireland

Italy

Japan

Malaysia

New Zealand

Saudi Arabia

Serbia

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South Korea

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Taiwan

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United Arab Emirates

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United States

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