Senior Environmental Project Scientist for Emergency Response Team

Weston Solutions, Inc.; West Chester (Chester County); On-site; USD 88,000 - 144,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401K with stock contributions

Paid time off

Life insurance

Disability plans

Work/Life balance

Professional development

Job summary

Weston Solutions, Inc. is seeking a Senior Project Scientist to lead environmental investigations, remediation, and emergency response projects protecting public health and the environment.

The role suits an experienced technical leader who can guide complex field efforts, make technical decisions, and deliver high-quality client outcomes. This critical project will ramp up soon, with onboarding aligned to kickoff schedules.

Qualifications

• Bachelor’s or master’s degree in Environmental Science, Geoscience, Engineering, Physical Science, Life Science, or related field.
• 10–15 years of experience in environmental investigations, remediation, or emergency response.
• Experience leading complex investigations or remediation projects with hazardous substances.
• Ability to guide technical decisions, manage priorities, and mentor staff.
• Experience managing field operations, subcontractors, and project budgets.
• Experience developing and reviewing reports and work plans.

Responsibilities

• Lead complex environmental investigations and remediation programs from planning through completion.
• Manage project execution to meet scope, budget, schedule, and client expectations.
• Oversee field investigations and sampling at active sites.
• Direct field staff, subcontractors, and multidisciplinary teams.
• Analyze data and develop defensible conclusions and project strategies.
• Prepare reports, work plans, QA documents, and health and safety plans.
• Review scopes and deliverables for quality and consistency.
• Identify risks and implement corrective actions as needed.
• Communicate objectives and progress to clients and stakeholders.
• Mentor junior staff and evaluate new technologies for projects.

Skills

Environmental investigations

Leadership

Client-facing

Project management

Field operations

Data interpretation

Mentoring

Driver's license

Education

Bachelor’s or Master’s in Environmental Science, Geoscience, Engineering, Physical Science, Life Science

Tools

MS Office

Field sampling tools

Air/Water monitoring instruments

Job description

Description

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 continues 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.

Description

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 continues 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.

This position supports a critical project with work expected to begin soon. Weston is proactively interviewing to prepare for onboarding as project activities ramp up. Start timing will align with project kickoff and mobilization schedules.

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

• Bachelor’s or master’s degree in Environmental Science, Geoscience, Engineering, Physical Science, Life Science, or a related field.
• 10 to 15 years of relevant experience in environmental investigations, remediation, emergency response operations, or a combination of these areas.
• 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 and authorization to work in the United States.

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