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Mott MacDonald • New Orleans, LA, US

Senior Civil Project Engineer

Employment type:  Full time
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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.

Mott MacDonald is seeking an experienced and motivated Senior Project Engineer to support the growth of our transportation practice across Louisiana and the Gulf Coast region. This role is ideal for a transportation engineer with a strong background in roadway design, geometric design, corridor modeling, and DOT project delivery who is passionate about developing transportation infrastructure that improves mobility and safety for the communities we serve.

As part of our growing transportation team, you will play a key role in the planning, design, and delivery of roadway, highway, interchange, bridge approach, and multimodal transportation projects for clients including the Louisiana Department of Transportation and Development (LADOTD), other state Departments of Transportation (DOTs) across the Gulf Coast region, municipal agencies, and regional transportation authorities.

Responsibilities include:

  • Lead roadway and transportation design tasks for Gulf Coast DOTs, municipal, and regional transportation projects.
  • Develop and review horizontal and vertical alignments, roadway geometrics, corridor models, cross sections, and construction plans.
  • Prepare plans, specifications, estimates (PS&E), technical reports, and engineering studies.
  • Utilize OpenRoads Designer, MicroStation, and related Bentley design software for project development and plan production.
  • Perform quality control and technical reviews of transportation design deliverables.
  • Coordinate with multidisciplinary teams, utilities, permitting agencies, and subconsultants.
  • Apply LADOTD, AASHTO, and applicable local agency design standards throughout project development.
  • Support project managers with scope development, schedules, budgets, and client coordination.
  • Mentor junior engineers and designers and provide technical guidance to project teams.
  • Attend and participate in client meetings, design workshops, and project coordination meetings.

We Invite Applications From Candidates With The Following Experience

  • Bachelor's degree in Civil Engineering from an ABET-accredited university.
  • Active Professional Engineer (PE) license in Louisiana or ability to obtain through reciprocity.
  • 12+ years of transportation engineering experience.
  • Strong experience delivering LADOTD projects and familiarity with LADOTD design standards, procedures, and project development requirements.
  • Experience with roadway geometrics, corridor modeling, maintenance of traffic, signing and striping, utility coordination, and transportation plan production.
  • Proficiency in OpenRoads Designer, InRoads V8i, MicroStation, and Bentley roadway design applications.
  • Experience with interstate, highway, interchange, bridge approach, and urban roadway improvement projects.
  • Strong technical writing and communication skills.
  • Proficiency with Adobe InDesign, Microsoft Office Suite, and transportation-related design software.
  • Experience working with LADOTD, local municipalities, or regional transportation agencies is highly desirable.

Preferred Qualifications

  • Experience serving as Engineer of Record or lead roadway engineer.
  • Familiarity with transportation corridor studies, interchange design, and complete streets projects.
  • ATTSA Traffic Control Supervisor certification.
  • Experience supporting proposal pursuits and transportation business development efforts.

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.

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

Czechia

Germany

Hong Kong

India

Ireland

Italy

Japan

Malaysia

New Zealand

Serbia

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
Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025

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