Human Health & Ecological Risk Assessor - #1687110


Date: 2 weeks ago
City: Sacramento, CA
Contract type: Full time

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.

AECOM has an opening for a Risk Assessor/Toxicologist in our Oakland or Sacramento California office to assist with a variety of projects including data management, site investigations and remediation. The successful candidate will assist with gathering and analyzing geological, hydrogeological and geochemical data in both the field and office settings.

The responsibilities of this position may include, but are not limited to:

  • Performing human health and/or ecological risk assessments in accordance with regulatory guidance and project-specific work plans.
  • Developing Risk Assessment Work Plans and contributing to Quality Assurance Project Plans.
  • Preparing technical deliverables; including writing reports and performing/reviewing risk assessment calculations.
  • Maintaining knowledge of federal and state regulations/guidance documents for conducting risk assessments.
  • Supporting execution of projects involving soil gas, soil, and groundwater investigation, compliance, and remediation activities in accordance with the DTSC Vapor Intrusion Guidance, CERCLA, Clean Water Act, Resource Conservation and Recovery Act, or other regulatory programs.
  • Work under the supervision of a principal risk assessor, but able to work independently and collaboratively with a minimal level of guidance needed for unfamiliar tasks.
  • Ability to work independently with diverse staff in office setting.
  • Assist in mentoring and working with junior staff members with certain aspects of the job and coordinate field and reporting tasks.
  • Must be able to conform to AECOM travel policies, including ability to obtain and hold the AECOM corporate credit card for use in making travel-related purchases .
  • Must demonstrate professional demeanor in written and verbal communications with clients, regulatory officials, and fellow employees.

Candidate must also be able to work as part of a project team comprised of AECOM staff and subcontractors. Flexibility to work on a multitude of diverse projects, a positive attitude, and commitment to workplace health and safety are imperative. Field work will be required including oversight of subcontractors.

Minimum Requirements

  • More than 4 years of experience as a Risk Assessor Scientist/Toxicologist familiar with the California regulatory environment. 
  • BA/BS in Toxicology, Biology, Environmental Science or demonstrated equivalency of experience and or education.
  • Valid Driver's license.
  • Ability to travel up to 25% to various job sites within US
  • US Citizen/US Permanent Resident

Preferred Qualifications

  • Desire for professional development and obtain DABT certification
  • Involved with regulatory negotiations specifically, DTSC’s HERO and the State and Regional Water Boards.
  • Experience overseeing/leading field efforts including the advancement of soil borings and installation of monitoring wells, collect soil gas, soil, and groundwater samples;
  • Ability to demonstrate a primary technical role in multiple site characterization, subsurface investigation and remediation projects at various client sites;
  • Understand and assist with development and updating conceptual site models;
  • Collect and evaluate environmental data in field and office settings;
  • Prepare investigation reports and drawings;
  • Possesses technical report writing skills;
  • Independent field work and leadership of field teams;
  • Candidate must be proficient with database management programs such as: EQUIS, SQL and Microsoft Access;
  • Candidate must be proficient with basic computer programs; MS Word and MS Excel;
  • Selected candidate will be required to complete 40 hour HAZWOPER training or annual refresher class, if needed;
  • Selected Candidate will be able to receive First Aid/CPR training and AECOM specific training; and
  • Learn and develop a keen understanding of hazard recognition; and environmental investigation or remediation.

  • Please note that this role can be based anywhere in the United States and compensation data will vary in each location, including higher or lower than the stated range.  



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, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, U.S and global well-being programs, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

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 $14.4 billion in fiscal year 2023. 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.

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