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Senior Ecologist

AECOM
Los Angeles, United Statesfull_timeVerifiedPosted 1 Aug 2025

About the role

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

AECOM is actively seeking an experienced Senior Ecologist to join our growing southern California Natural Resources Group. This role is an exciting opportunity to support industry leading projects and programs in the utility, renewables, federal, and transportation sectors; and opportunities to lead and specialize in meaningful technical work such as wildlife movement studies, Habitat Conservation Plans (HCPs), and large-scale environmental constraints analyses.

This hybrid role can be based in any of our southern or central California offices, including San Diego, Orange, Los Angeles, and San Luis Obispo. Experience and expertise in southern California ecology is required.

This position will support numerous natural resource projects in the southern and central California regions, expanding as far as northern California, including management of and technical work on permitting and compliance projects. Primary duties include managing projects involving impact assessments, mitigation planning, regulatory compliance and permitting efforts including CEQA/NEPA, 404/401, CESA, and ESA, and preparing environmental documents and management plans. Candidate will coordinate with resource agency staff, lead complex environmental, waters, and/or species-related permitting projects and participate in public review processes.

Responsibilities include but are not limited to:

  • Manages a team to prepare large, complex natural resources documents such as Biological Technical Reports, Biological Assessments, 2081 Permit Applications, Habitat Conservation Plans, Eagle Conservation Plans, and/or Delineation Reports, Aquatic Resources Permit Applications. Operates as primary author or senior reviewer as appropriate.
  • Manage projects/tasks that include all aspects of environmental analysis (e.g., biological, cultural, air quality, traffic, etc.).
  • Manages projects with large-scale field efforts and intensive schedules.
  • Manages large-scale compliance projects requiring adherence to permit conditions.
  • Performs project management duties such as forecasting, tracking, accounting updates, invoicing, progress reports, and scheduling.
  • Reviews contracts for understanding of scope, fee, schedule, and deliverables, and all other contractual obligations
  • Develops work breakdown structure for control and integrity of work to be performed as and defined by the contract.
  • Monitors and analyzes project costs, commitments, accruals, and changes, and takes corrective action where necessary.
  • Identifies trends and deviations in financial performance to project team with recommended courses of action.
  • Operates as primary point of contact for clients and resource agencies on projects.
  • Performs client management duties such as recurring status meetings, milestone check-ins, and day-to-day interfacing.
  • Focus on supporting career development of junior staff in the practice.
  • Participates in interviews with large or small team for a variety of clients.
  • Candidate will contribute to growth of department through marketing pursuits including proposal preparation, interviews, and business development.

About AECOM’s Environment Business Line
Join AECOM to be part of an expert global team who is connected through a well-developed, worldwide, internal technical practice network through which you can learn from and brainstorm with the best in the world. AECOM is an industry-leading, world class environmental firm, and we want you to succeed within it.  We respect and encourage your own pathway to excellence via our Freedom to Grow initiative.

AECOM is known for our award-winning technical excellence, leading-edge science and innovative project delivery. We provide sustainable solutions for some of the wo

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AECOM

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