Senior Environmental Scientist

Environmental Scientist Job Description We are seeking a Environmental Scientist with expertise in site investigations, feasibility studies, and remedial and mitigation system design. The ideal candidate will have experience with Phase I, II, and III environmental site assessments and knowledge of state and federal regulations, including CERCLA and RCRA. Experience with NJDEP and LSRP projects is a plus. Responsibilities Support field operations by conducting site testing, collecting environmental samples, logging observations, and performing analytical calculations. Oversee construction activities by performing compliance assessments and quality assurance checks against project requirements. Gather environmental media samples including soil, vapor, water (surface and groundwater), sediment, and indoor/outdoor air. Operate, monitor, and maintain environmental treatment systems for remediation activities, both in-situ and ex-situ. Assist with securing necessary environmental permits and ensure compliance with applicable regulatory standards. Analyze historical documentation and environmental data to inform site assessments and due diligence efforts. Compile technical field documentation including daily activity logs, drilling records, and sample custody forms. Troubleshoot field issues—ranging from routine to complex—and accurately document solutions while updating the project lead. Contribute to the creation and refinement of technical deliverables including engineering reports, designs, specifications, and cost estimates. Track project progress and ensure tasks remain aligned with allocated budgets and schedules. Collaborate professionally with clients and subcontractors, maintaining strong communication and coordination with internal teams. Provide guidance and oversight to junior staff and interns during field and office assignments. Carry out additional responsibilities as assigned to support ongoing project needs. Essential Skills Environmental science Environmental engineering Groundwater analysis Phase I environmental site assessments Phase II environmental site assessments Geology Hydrogeology Soil sampling Site investigation Knowledge of NJDEP, PADEP, CERCLA, and RCRA regulations Qualifications Act 2 experience Experience with LSRP projects Comfortable with a mix of field and office work Job Type & Location This is a Permanent position based out of Philadelphia, PA. Pay and Benefits The pay range for this position is $75000.00 - $95000.00/yr. full-time employment company paid medical, dental, and vision coverage; life insurance, short- and long-term disability insurance, and paid pregnancy disability leave; 401(k)/Roth with company match; paid time off including parental and military leave; employee referral and professional license bonuses; and educational reimbursem Workplace Type This is a hybrid position in Philadelphia,PA. Application Deadline This position is anticipated to close on Jun 30, 2026. About Actalent Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io for other accommodation options. San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records. Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.