Recruitment fraud warning: Click here for more information.

AECOM Careers. Work with us. Change the world. We believe infrastructure has the power to uplift communities and improve people's lives.

Job Information

AECOM Sediment Practitioner - Seattle/Portland in Seattle, Washington

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 nearly 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 currently seeking an experienced Sediment Practitioner with strong technical and management experience to pursue, win, and lead high-profile contaminated sediments projects in the Pacific Northwest and support similar projects throughout North America. The primary project work is out of our Seattle, WA, and Portland, OR offices; the home office location is flexible however commuting or reporting to Seattle or Portland office will be required. We seek a technically proficient individual with demonstrated experience successfully addressing the investigation, remediation, and restoration of contaminated sediment sites, using conventional best practices and emerging technologies. A successful candidate must be able to write and to convey thoughts and ideas in a clear, concise manner; and oversee and work productively with junior technical staff and subcontractors while assuring work scopes and safety requirements are met. Excellent communication, organization and prioritization skills will be necessary to work in our collaborative team-oriented offices; strong interpersonal skills are a must. The individual should have a relevant technical background in engineering in marine/coastal and aquatic systems and experience in planning and managing projects.

Specific responsibilities include:

  • Managing assessments, feasibility studies, remedial designs, and remedial implementation for cleanup of complex sediment sites with terrestrial, river, lake, or marine concerns under CERCLA or state programs.

  • Planning and directing environmental sampling programs and critically evaluating laboratory data for feasibility study and design purposes.

  • Developing technically astute Conceptual Site Models.

  • Conducting Feasibility and Treatability Studies to evaluate remedial options.

  • Implementing solutions and offering innovations to remediate contaminated sediment sites.

  • Engaging in regular client and regulatory communication relating to project management, technical issues, and cleanup strategies.

  • Development of sediment remedial design plans, specifications, and construction contract documents.

  • Implementation of remedial actions, construction oversight/management and quality assurance, and long-term monitoring programs.

  • Researching and ensuring compliance with federal, state, and local regulations.

  • Staff training and leadership development in sediment remediation.

  • Leading an engineering team and recruiting staff as needed.

  • Qualify for and obtain AECOM Project Management certification.

  • Managing multi-discipline teams to deliver complex projects.

  • Actively communicating in high-pace environments requiring organic decision-making.

  • Client outreach and development.

  • Identification and development of local teaming partners/contractors.


Minimum Requirements

  • Bachelor’s degree in a relevant technical discipline, including environmental/chemical/civil/geotechnical engineering

  • 10 years of experience as an environmental consultant, industry representative, or regulator versed in sediment remediation requirements or demonstrated equivalency or experience and/or education

  • Valid Driver's license.

  • Due to the nature of the work U.S. Citizenship is required.

Preferred Qualifications

  • 15+ years of experience as an environmental consultant, industry representative, or regulator versed in sediment remediation requirements.

  • Professional license (PE or PG) or ability to obtain in WA and OR is a big plus

  • Demonstrated experience preparing remedial design documents.

  • Relevant, recent, direct experience negotiating at multiple PRP sites for site assessment strategies and cleanup program objectives.

  • In-depth knowledge of local, state, and federal regulations, and well as stakeholder and public concerns.

  • Excellent understanding of health and safety requirements to work on water.

  • Experience developing and preparing reports regarding regulatory compliance for hazardous constituents in sediment for submittal and acceptance for technical client and state agency review.

  • Experience with site investigation techniques, developing conceptual site models, and preparing remediation strategies.

  • Model experience or specialized knowledge, such as sediment transport and recontamination evaluations, to support remedial analyses.

  • Demonstrated ability to collaborate with clients, stakeholders, regulatory agencies, project teams, subcontractors, and research organizations.

  • Ability to write and review complex technical documents, perform high level review and strategy.

  • Master’s degree in environmental/civil/chemical engineering, geology, environmental science, or related degree.

  • Attention to detail and a thorough approach to work.

  • Strong communication skills at all levels.

  • Organized and able to manage multiple tasks/projects at a time.

  • Provide technical supervision of subcontractors and ensure work scopes and safety requirements are met.

  • OSHA HAZWOPER 40-hour certification, and current 8-hour refresher.

  • Comprehension of Government compliant technical reports, deliverables, recordkeeping.

  • Computer proficient in MS Office, ACAD, ESRI ARC GIS, and statistical programs helpful.

Additional Information


Offered rate of compensation in Seattle, WA will be based on individual education, qualifications, experience, and work location. The salary range for this position is $140,000 - $190,000 USD


AECOM is proud to offer a comprehensive benefits program to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D and disability benefits, paid time off, leaves of absence, voluntary benefits, perks, wellness and global well-being, and global EAP, Business Travel and Service Awards programs.

As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.


AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $13.1 billion in fiscal year 2022. See how we are delivering sustainable legacies for generations to come at and @AECOM.

Freedom to Grow in a World of Opportunity

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

All your information will be kept confidential according to EEO guidelines.

ReqID: J10097320

Business Line: Environment

Business Group: DCS

Strategic Business Unit: West

Career Area: Engineering

Work Location Model: Hybrid