Environmental Toxicologist – Senior Level (Hybrid)

Barr Engineering Co•Seattle, WA
•Hybrid

About The Position

Barr is seeking a senior environmental toxicologist to support complex, multidisciplinary projects involving contaminated sediment, surface water, groundwater, and ecological risk assessment. The role applies advanced environmental toxicology and regulatory expertise to help inform environmental decisions and cleanup strategies. Projects may be conducted under CERCLA, RCRA, NEPA, NRDA, and other federal and state environmental programs. The position may be based in Barr’s Seattle, Washington, or Denver, Colorado, offices. A hybrid arrangement may be considered, splitting work between an office and a home office. Travel and periodic schedule adjustments may be needed to meet project needs. Fieldwork may be available depending on project needs, interests, and experience, and may involve out-of-town travel. Work may take place on rough terrain at construction sites, in industrial facilities with limited accessibility or moving machinery, and at waste disposal or hazardous-material cleanup sites. An OSHA-mandated physical exam may be required, safety training will be provided, and applicants may be asked to participate in client-requested drug screening. Candidates must be able to perform the job with or without reasonable accommodation. Site visits or fieldwork may involve varying outdoor conditions, lifting and carrying equipment weighing up to 50 pounds, standing, walking, kneeling, or crouching for extended periods, using required personal protective equipment, and safely operating or working around environmental monitoring and sampling equipment. The anticipated salary range is $95,000–$115,000 annually. Compensation varies based on relevant experience, education, skill level, and other compensable factors. Employees may also be eligible for a discretionary cash bonus based on team and individual performance. The position is classified as exempt (salaried) under the Fair Labor Standards Act. Barr is an employee-owned firm of engineers, scientists, and other professionals. The company describes its culture as collaborative, inclusive, and committed to exceptional client service, professional growth, and employee ownership. Barr is an equal opportunity employer.

Requirements

  • Master’s degree in environmental toxicology, environmental science, chemistry, environmental engineering, ecology, or a related field.
  • At least 8 years of relevant experience supporting contaminated site investigations, environmental toxicology evaluations, or ecological risk assessments in consulting, industry, laboratory, or regulatory settings.
  • Strong computer skills, including proficiency with Microsoft Office Suite and the ability to work effectively with environmental datasets, toxicity results, and technical documentation.
  • Familiarity with CERCLA, RCRA, NRDA, NEPA, ESA, and the Clean Water Act.
  • Current, valid driver’s license and an acceptable driving record.
  • Legal authorization to work in the United States without sponsorship by Barr, now or in the future.
  • Ability to perform job duties with or without reasonable accommodation.
  • For site visits or fieldwork, ability to work in varying outdoor conditions; lift and carry equipment and materials weighing up to 50 pounds; stand, walk, kneel, or crouch for extended periods; use required PPE; and safely operate or work around environmental monitoring and sampling equipment.
  • Willingness to travel and periodically adjust personal schedule to meet project needs.

Nice To Haves

  • Modeling experience using PHREEQC and Geochemist’s Workbench.
  • Experience conducting or interpreting toxicity tests, bioassessments, or ecological field surveys.
  • Experience coordinating with regulatory agencies, stakeholder groups, or multiparty PRP teams.
  • Experience with business development or client relationship management.
  • HAZWOPER 40-hour certification.

Responsibilities

  • Apply advanced environmental toxicology principles to evaluate chemical exposure and effects across sediment, water, and biological systems.
  • Interpret environmental chemistry and toxicity data to support ecological risk assessments and remedial decision-making.
  • Conduct ecological risk assessments and develop toxicity and exposure evaluations for contaminated sediment projects.
  • Prepare technical reports, study designs, sampling plans, and quality assurance documentation.
  • Lead or support project and task delivery, including developing scopes, schedules, and budgets, managing teams, and producing technical documents.
  • Build client relationships and contribute to successful execution of complex environmental projects.
  • Assess site-specific environmental conditions and develop scientifically defensible approaches aligned with applicable regulatory programs.
  • Provide technical and regulatory recommendations that support environmental decisions and cleanup strategies.
  • Communicate complex concepts to technical and non-technical audiences through clear, compliant documentation and other communications.
  • Collaborate with multidisciplinary teams and clients to align technical work with project objectives.
  • Mentor junior staff, support team development, and contribute to a culture of teamwork, respect, and client service.
  • Travel and periodically adjust personal schedules to meet project needs; participate in fieldwork as project needs, interests, and experience allow.

Benefits

  • Medical, dental, vision, life, disability, and accidental death insurance.
  • Flexible spending accounts for medical and dependent care.
  • 401(k) retirement savings plan with company contribution.
  • Employee Stock Ownership Plan (ESOP) with company contribution in Barr stock.
  • Annual bonus distribution plan, ESOP, and dividends to shareholders through the company’s profit distribution model.
  • Annual time and expense allowances for professional development.
  • Mentorship program and internal training opportunities.
  • Paid time off and holidays.
  • Paid family leave.
  • Compensatory time for exempt/salaried staff for extra time worked.
  • Ergonomic analysis and equipment.
  • Personal Protective Equipment allowance.
  • Wellbeing-focused educational opportunities.
  • Coaching, mentoring, and support for ongoing educational opportunities.
  • Employees in this position may be eligible for a discretionary cash bonus based on team and individual performance.
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