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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. The successful candidate will have a strong desire to make a difference in our communities by doing work that helps protect public health and the environment. This role supports environmental investigation, remediation, and emergency response projects and is ideal for an experienced technical leader who can manage complex field efforts, lead project execution, guide technical decision-making, and deliver high-quality client outcomes.

This role supports a critical project with planned work starting in the near term. We are proactively conducting interviews to ensure readiness for onboarding as project activities ramp up. Start timing will align with project kickoff and mobilization schedules.

Location: West Chester, PA (preferred) will consider Pittsburgh, PA; Wheeling, WV

Expected Outcomes:

• Lead and manage moderately to highly complex field and office assignments, including environmental investigations, remediation programs, emergency response activities, and related project deliverables.
• Serve as technical and field lead on assigned projects or major project tasks, ensuring execution aligns with project scope, budget, schedule, technical requirements, and client expectations.
• Plan, direct, and oversee environmental field investigations and sampling programs at active, construction, remediation, or potentially hazardous sites.
• Lead field teams and subcontractors, ensuring work is completed safely, efficiently, and in accordance with project requirements, regulatory standards, and Weston procedures.
• Provide technical direction to project teams, coordinate resources, and support Project Managers and senior leadership in achieving successful project outcomes.
• Evaluate field observations, analytical data, monitoring results, and other technical information to develop conclusions, recommendations, and project strategies.
• Analyze, prepare, and deliver high-quality scientific reports, investigation summaries, removal action documentation, technical memoranda, and other project deliverables.
• Support development and review of work plans, field sampling plans, health and safety plans, quality assurance documentation, technical procedures, schedules, budgets, and project implementation plans.
• Participate in peer review of project scopes, technical documents, calculations, data interpretations, and deliverables to support quality and consistency.
• Ensure compliance with technical specifications, standard operating procedures, regulatory requirements, project scope of work, and applicable quality assurance/quality control expectations.
• Provide technical leadership in selecting methods, interpreting data, solving complex project issues, and determining practical approaches for field and office assignments.
• Interface with internal and external clients, stakeholders, Project Managers, and technical team members to communicate progress, project needs, concerns, and deliverable expectations.
• Identify project risks, constraints, and opportunities and recommend or implement corrective actions to support project success.
• Maintain auditable and orderly files, notebooks, field documentation, correspondence, and project records.
• Provide mentorship, coaching, and technical guidance to junior staff and project team members.
• Support project delivery from planning through completion, readily taking on tasks necessary to meet project goals and maintain client satisfaction.
• Evaluate new technologies, tools, and techniques and assess their applicability and potential benefit to project execution and Weston service offerings.
• Perform work at active and potentially hazardous sites using appropriate personal protective equipment (PPE), including OSHA Levels D–A as required.
• Travel may be required, including extended field assignments or rapid mobilization to support project and emergency response needs.
• Participate in on-call emergency response rotations, maintaining preparedness for immediate mobilization and supporting 24/7 response efforts for environmental incidents such as chemical and oil spills.
• Lead Environmental Health and Safety (EHS) compliance for complex project assignments, including providing technical input regarding safety and reinforcing safe work expectations.
• Promote, understand, and carry out the principles of safety on project tasks, including Stop Work Authority and personal accountability.
• Engage EHS personnel to obtain support and direction when needed, including when EHS planning documents are not aligned with project scope or site conditions.
• Manage field staff regarding project- and site-specific EHS requirements and ensure alignment with Weston’s EHS Program.

Knowledge, Skills & Abilities:

• B.S. or M.S. in Environmental Science, Geoscience, or related Engineering, Physical, or Life Science field with 10–15 years of relevant experience in environmental investigations, remediation, and/or response operations.
• Recognized technical resource within area of expertise, with the ability to guide technical decision-making on complex project issues.
• Demonstrated experience leading complex environmental site investigations and remediation projects at sites with potentially hazardous substances.
• Proven ability to lead moderately to highly complex scopes of work and manage field operations, project execution, and technical deliverables.
• Demonstrated ability to support project scope, schedule, budget, resource planning, and delivery expectations.
• Experience interfacing directly with clients and stakeholders to understand project objectives, communicate progress, and support successful outcomes.
• Experience overseeing subcontractors, managing field staff, and coordinating multidisciplinary project teams.
• Experience preparing and reviewing technical reports, field documentation, planning documents, investigation summaries, and project deliverables.
• Experience developing or supporting development of field work plans, health and safety plans, field sampling plans, technical procedures, and quality assurance documentation; experience with QAPPs and/or UFP QAPPs is a plus.
• Strong ability to analyze, interpret, organize, and present technical data, including analytical data, monitoring data, and field observations.
• Demonstrated leadership skills, including the ability to mentor junior staff, provide technical guidance, and support field team performance.
• Strong verbal and written communication skills, including the ability to communicate effectively with project teams, clients, subcontractors, technical specialists, and leadership.
• Ability to manage multiple priorities, solve problems of diverse scope and complexity, and meet deadlines in a fast-paced project environment.
• Proficiency in Microsoft Office software and standard business communication tools.
• OSHA 40-hour HAZWOPER training in accordance with OSHA 29 CFR 1910 preferred or willingness to obtain.
• ICS training or emergency response experience is a plus.
• Experience using personal protective equipment and working in potentially hazardous environments.
• Experience using field sampling equipment, air and water monitoring instrumentation, and related field tools.
• Membership in a professional organization suited to specific practice is highly encouraged.
• Ability to function in outdoor environments such as active construction and/or remediation sites.
• Ability to walk long distances on varied terrain, climb ladders, and work at elevation.
• Ability to lift and carry up to 50 pounds, including field equipment and PPE.
• Valid driver’s license and eligibility to work in the United States.
• Available to travel as needed.

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.