Remote, USA
1 day ago
Senior Environmental Scientist (PFAS Expert)
**Description** Leidos is seeking a **Senior Environmental Scientist** or engineer with PFAS expertise to support environmental investigation, restoration, and compliance services. **Senior Environmental Scientist responsibilities:** • Lead and contribute to complex environmental site investigations • Develop technical approaches and Conceptual Site Models (CSMs) focused on PFAS release, fate, and transport • Collaborate with internal teams and clients to ensure project success and regulatory compliance • Support the PFAS Practice Lead in maintaining technical excellence and consistency across projects **Qualifications:** • Requires BS degree and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience. • Proven experience on multiple CERCLA PA/SI, RI/FS projects or RCRA equivalents • Expertise in developing technical approaches for complex environmental investigations • Experience creating Conceptual Site Models related to PFAS. • Strong understanding of environmental consulting within the federal market. • Excellent communication skills and ability to work both independently and collaboratively. This role entails providing guidance and technical support across our portfolio of PFAS projects. You will work with our PFAS Practice Lead to shape and direct our PFAS practice services. You will interact and be supported by our PFAS Advisory Team and PFAS Community of Practice. A key aspect of the role is to help maintain consistency across our portfolio of PFAS work, including factors such as technical excellence, technical approach, data visualization, data-driven conclusions and recommendations. Your efforts will directly impact on our continued ability to meet and exceed client needs by helping to ensure that Leidos remains at the forefront of the industry in terms of technology, chemistry, remediation, regulations, characterization, detection and analysis. **Original Posting:** July 16, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. **Pay Range:** Pay Range $89,700.00 - $162,150.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. \#Remote REQNUMBER: R-00162772 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.
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