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Mott MacDonald • Los Angeles, CA, US

Principal Project Manager Ports & Maritime

Employment type:  Full time
Salary:  $169,000 – $207,000 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.

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, our Ports & Maritime team delivers complex, high-profile infrastructure projects that keep global trade moving and help coastal communities thrive. Working with port authorities, terminal operators, public agencies, and private developers, we provide innovative design and project management solutions across marine terminals (container, dry bulk, liquid bulk, RoRo, Mixed Cargo), marine structures, waterfront developments, dredging, coastal resilience, and maritime transportation infrastructure.

We are seeking an experienced Principal Project Manager to lead the delivery of major ports and maritime engineering/design projects across Southern California and North America. Based in Southern California, you will combine project leadership, design delivery, client relationship management, business development, and team leadership to drive successful project outcomes and support the continued growth of our Ports & Maritime practice in this region.

Role Responsibilities

  • Lead the delivery of large, complex ports and maritime infrastructure design projects, ensuring successful outcomes for scope, schedule, budget, quality, and safety.
  • Lead civil engineering and design for port clients across a broad spectrum of assets both on and off terminals.
  • Lead and manage multidisciplinary teams including civil, structural, electrical, mechanical, architecture and other disciplines across planning, design, procurement, and construction phases of marine terminals, waterfront developments, marine structures, dredging, coastal infrastructure, and resilience projects.
  • Build and maintain trusted client relationships with port authorities, terminal operators, transportation agencies, developers, and contractors.
  • Lead major pursuits, including proposals, qualifications, interviews, and strategic business development activities as needed.
  • Drive commercial performance through effective project controls, contract administration, risk management, forecasting, and resource planning.
  • Apply industry and market expertise to identify opportunities, support growth strategies, and strengthen Mott MacDonald's presence in the Ports & Maritime sector.
  • Foster technical excellence, innovation, sustainability, and continuous improvement across project teams.
  • Promote collaboration across disciplines, offices, and regions to deliver integrated solutions and exceptional client service.
  • Represent Mott MacDonald at industry events, client engagements, and professional organizations.
  • Lead, mentor, and develop high-performing teams, fostering accountability, inclusion, and professional growth.
  • Lead and promote safety and wellbeing culture, ensuring compliance with established processes and demonstrating positive safety leadership.
  • Champion PRIDE Values, Our Code, and Inclusion & Diversity by embedding inclusive practices and fostering a culture of belonging.

Candidate Qualifications and Experience

  • Bachelor's degree in Civil or Structural Engineering, or equal.
  • Master's degree in Engineering, Business Administration, Project Management, or a related field preferred.
  • Professional Engineer (PE) license required; California registration preferred.
  • Strong technical proficiency in civil engineering design, analysis, and project delivery, with hands-on experience using AutoCAD, Civil 3D, MicroStation, Bluebeam, and other industry-standard civil engineering software.
  • 15+ years of experience delivering ports, terminals, maritime, waterfront, coastal, marine, or heavy civil infrastructure design projects.
  • Proven success leading multidisciplinary teams and managing complex projects through planning, design, and construction.
  • Experience working with port authorities, harbor agencies, terminal operators, transportation agencies, and other public or private infrastructure clients.
  • Strong technical knowledge of port development, marine structures, terminal infrastructure, waterfront facilities, dredging, and coastal resilience.
  • Experience in working with Authorities Having Jurisdiction (AHJ) for plan check and permitting of design packages
  • Familiarity with municipal, regional and state codes, regulations and requirements associated with civil engineering design including storm water, sewer, water distribution systems, earthwork, fire suppression, ground water and other similar civil engineering related assets.
  • Demonstrated ability to lead winning proposals, pursuits, and client development initiatives.
  • Expertise in commercial management, contract administration, project controls, risk management, and regulatory compliance.
  • Understanding of key industry trends, including port modernization, sustainability, electrification, decarbonization, and climate resilience.
  • Strong communication, stakeholder management, negotiation, and client-facing skills, with the ability to act as a trusted advisor.

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 the following

Los Angeles $169,000- $207,000

San Diego $167,000- $204,000

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
  • 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.

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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

Working at Mott MacDonald

Company employees:

18,000 worldwide

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

0:35:65

Hiring in countries

Australia

Bulgaria

Canada

Colombia

Czechia

Germany

Hong Kong

India

Ireland

Italy

Japan

Malaysia

New Zealand

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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  • Proven business development acumen and the ability to grow client relationships and market presence.
  • Commitment to technical excellence, innovation, collaboration, inclusion, and sustainability.
  • PMP certification and involvement in professional organizations such as ASCE COPRI, PIANC, AAPA, or WTS are desirable.
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