Senior Environmental Project Scientist for Emergency Response Team

At Weston Solutions, Inc. you will do meaningful work and make valuable contributions. Employee ownership at Weston is a path to professional growth and access to diverse opportunities in a highly connected community that works together across key service areas to make a difference in the environment. Weston has continued to evolve and adapt to our changing world as a premier provider of environmental and infrastructure services for over sixty years. In both the public and private sectors our teams help identify, solve, mitigate, and manage critical environmental issues to help clients achieve a more sustainable future.

Weston is hiring a Senior Project Scientist to support environmental investigation, remediation, and emergency response projects that protect public health and the environment. This role is ideal for an experienced technical leader who can manage complex field efforts, guide technical decisions, and deliver high-quality client outcomes.

The position supports our contract with the United States Environmental Protection Agency (EPA) Region 3 that includes Delaware, Maryland, Pennsylvania, Virginia, West Virginia, Washington, D.C., and seven Tribal Nations. The successful candidate will have a strong desire to make a difference in our communities by doing work that helps to protect public health and our environment.

Location: West Chester, PA

Key Responsibilities

• Lead complex environmental investigations, remediation programs, emergency response activities, and related field and office assignments from planning through completion.
• Manage project execution in accordance with scope, budget, schedule, technical requirements, regulatory standards, Weston procedures, and client expectations.
• Plan and oversee field investigations and sampling programs at active construction, remediation, and potentially hazardous sites.
• Direct field staff, subcontractors, and multidisciplinary teams while coordinating resources and reinforcing safe, efficient work practices.
• Analyze field observations, analytical data, and monitoring results to develop defensible conclusions, recommendations, and project strategies.
• Prepare and review scientific reports, investigation summaries, removal action documentation, technical memoranda, work plans, sampling plans, health and safety plans, quality assurance documents, schedules, budgets, and other deliverables.
• Conduct peer reviews of project scopes, technical documents, calculations, data interpretations, and deliverables to support quality and consistency.
• Identify project risks, constraints, and opportunities, and implement corrective actions when needed.
• Communicate project objectives, progress, needs, concerns, and deliverable expectations to clients, stakeholders, Project Managers, subcontractors, technical teams, and leadership.
• Maintain accurate and auditable field documentation, correspondence, notebooks, technical files, and project records.
• Mentor junior staff and provide technical guidance to project teams.
• Evaluate new technologies, tools, and techniques for potential use in project execution and Weston service offerings.

Safety Responsibilities

• Lead EHS compliance for complex assignments and ensure work aligns with Weston’s EHS Program, project safety plans, technical procedures, quality requirements, and applicable regulations.
• Reinforce Stop Work Authority, personal accountability, and project- and site-specific safety expectations with staff and subcontractors.
• Coordinate with EHS personnel when plans do not align with project scope or site conditions.
• Work safely at active and potentially hazardous sites using required PPE, including OSHA Levels D through A, as applicable.

Required Qualifications:

• 10 to 15 years of relevant experience in environmental investigations, remediation, emergency response operations, or a combination of these areas.
• This position requires U.S. citizenship.
• Bachelor’s or master’s degree in environmental science, Geoscience, Engineering, Physical Science, Life Science, or a related field.
• Demonstrated experience leading complex environmental site investigations or remediation projects involving potentially hazardous substances.
• Ability to serve as a technical resource, guide complex technical decisions, solve problems, and manage multiple priorities.
• Experience managing field operations, subcontractors, multidisciplinary teams, project scope, schedules, budgets, resources, risks, and technical deliverables.
• Experience developing and reviewing technical reports, investigation documents, work plans, field sampling plans, health and safety plans, technical procedures, and quality assurance documentation.
• Strong ability to analyze, interpret, organize, and communicate analytical data, monitoring results, and field observations.
• Strong leadership, mentoring, client-facing, written, and verbal communication skills.
• Experience using field sampling equipment, air and water monitoring instruments, PPE, and related field tools.
• Valid driver’s license.

Preferred Qualifications

• Current OSHA 40-hour HAZWOPER training in accordance with OSHA 29 CFR 1910, or willingness to obtain it.
• Incident Command System training or emergency response experience.
• Experience with QAPPs or UFP QAPPs.
• Membership in a relevant professional organization.
• Proficiency with Microsoft Office and standard business communication tools.

Travel, On-Call, and Physical Requirements

• Willingness to travel, complete extended field assignments, and mobilize rapidly for project or emergency response needs.
• Ability to participate in on-call rotations and support 24/7 responses to environmental incidents, including chemical and oil spills.
• Ability to work outdoors at active construction, investigation, and remediation sites.
• Ability to walk long distances over varied terrain, climb ladders, work at elevation, and lift and carry up to 50 pounds, including field equipment and PPE.

We fully invest in our people. Weston provides a generous, comprehensive benefits package program that offers employees high value options with solid financial protection, meeting the personal needs of its people and their families.

• Medical, Dental, Vision, 401K with base and matching employer stock contributions.
• Paid time off including personal, holiday, and parental leave.
• Life and disability plans.
• Critical illness and accident plans.
• Work/Life flexibility.
• Professional development opportunities.

Compensation will vary based upon experience, education, skill level, and other compensable factors. 

Salary Range: $87,612 - $115,841 - $143,965