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Mott MacDonald

Environmental Scientist

Salary:  $89,000 – $109,000 per annum
Location:  Los Angeles, CA, 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.

Mott MacDonald is an employee-owned, international engineering, management, and development consultancy, with a dedicated and rapidly expanding environmental division. Our environmental team supports a diverse range of clients across various sectors and regions. Our Environmental team is seeking a talented and experienced Scientist. The location for this position is in our office in Los Angeles, CA. The successful candidate will report to Mott MacDonald’s environmental lead in Los Angeles, CA.

Responsibilities include:

  • Project management support activities including the oversight of project teams responsible for environmental site assessments, field surveys, CEQA/NEPA documentation, environmental report/feasibility development, constraint mapping, permitting, and public involvement support.
  • Provide technical and project management support for projects, including but not limited to budgeting, forecasting, scheduling, QA/QC review of deliverables, etc.
  • Work collaboratively as part of integrated project teams.
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  • Build relationships with internal and external stakeholders, partners and clients.
  • Supporting the preparation of proposals, cost estimates, and staffing resource plans for environmental projects and services.
  • Overseeing and preparing environmental approvals, planning assessments, feasibility studies, permitting and licensing documentation, technical assessments, and management plans, ensuring all deliverables meet high standards.
  • Preparing and reviewing CEQA/NEPA documents and permit applications; conducting routing studies, impact analyses, and field surveys/monitoring to support project compliance and environmental reviews. We invite applications from candidates with the following experience and capabilities:

    • Bachelor’s degree in a relevant environmental science, engineering, planning, or a related discipline; a master’s degree is a plus.
    • Minimum of three (3) years of experience, one (1) of which shall include environmental consulting and project management and/or a group leadership role.
    • The successful candidate must demonstrate the ability to work independently and effectively manage multiple tasks. They should possess strong scientific writing skills and have experience in environmental policy (e.g., CEQA, NEPA), permitting, and/or a specialized resource area such as air quality, remediation, wetland science, biology, archaeology, paleontology, geology, soils, or hydrology).
    • Experience permitting small to large-scale transportation, utility, renewable, water, infrastructure, and/or energy projects and conducting field surveys/monitoring.
    • Strong interpersonal, presentation, and communication skills (both oral and written) are essential, along with proficiency in technical documentation, and analytical and problem-solving skills.
    • Demonstrate an ability to prepare and interpret complex reports, diagnose issues, and develop and evaluate effective solutions is required.
    • Demonstrate an ability to work on diverse projects simultaneously, possess a high level of self-motivation, and demonstrate ability to successfully execute field assignments.
    • Be enthusiastic about being part of a growing team and providing excellent outcomes for clients!

    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 $89,000 - $109,000

    .

    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.

    Working at Mott MacDonald

    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 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

    Singapore

    South Korea

    Spain

    Office Locations

    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

    Taiwan

    Thailand

    United Arab Emirates

    United Kingdom

    United States