Eastern Shawnee Companies, LLC (ESC), is a board-governed holding company that proudly represents a collection of tribally owned small businesses providing professional and construction services. As a wholly owned subsidiary of the Eastern Shawnee Tribe of Oklahoma (ESTO), ESC is deeply committed to enhancing and supporting tribal sovereignty while delivering sustainable solutions for our diverse range of tribal, federal, government, and private clients.

Our primary focus is empowering tribal communities and promoting economic growth through dedicated services. By leveraging our experience and deep understanding of the challenges faced by tribal entities, ESC aims to be a trusted partner for tribal, federal, municipal, and private clients alike. We are passionate about creating sustainable solutions that benefit our clients and contribute to preserving tribal heritage and the well-being of future generations.

We invite you to join us on this transformative journey as we build upon tradition, empower communities, and create a legacy that resonates for future generations.

Job Summary:

The Principal Environmental Scientist provides advanced technical expertise and leadership for federal environmental projects, with emphasis on soil and groundwater remediation under CERLA and RCRA programs. This position plays a critical role in designing, managing, and implementing complex remediation projects for federal clients including U.S. Army Corps of Engineers (USACE).

Essential Duties:

· Serve as technical lead on federal environmental remediation projects involving soil and groundwater contamination.

· Develop and implement investigation and cleanup strategies, including sample plans, contaminant delineation, and remedial action design.

· Interpret complex environmental data and develop scientifically sound conclusions, recommendations, and clean up strategies.

· Ensure compliance with CERCLA, RCRA, and related USACE and federal regulatory frameworks.

· Prepare and review technical reports, work plans, and proposals.

· Support proposal and pricing development with technical knowledge.

· Serve as client contact for technical discussions, participate in site visits and client meetings.

· Collaborate closely with project managers to ensure deliverables, budgets and performance goals are met.

· Manage environmental staff.

Minimum Education and Experience:

· Bachelor’s degree in Environmental Science, Geology, or related field.

· 10+ years of progressive experience in environmental consulting, hydrogeology, and soil/groundwater remediation.

· 8+ years experience with federal contracting including USACE.

· Professional Geologist (PG), Register Geologist (RG), or Project Management Professional (PMP) required.

· Demonstrated success in performance-based cleanup projects.

Preferred Experience and Qualifications:

· 40-Hour OSHA HAZWOPER certification.

· Proficiency in GIS, data visualization and environmental modeling software.

Knowledge, Skills and Abilities:

· Deep technical understanding of subsurface environments and remedial action technology.

· Proficient in evaluating complex sites with multiple contaminant plumes and recommending effective solutions.

· Strong organizational and leadership skills, with ability to manage multiple tasks.

· Strong knowledge of USACE reporting standards, safety programs, and project management processes.

· Strong technical writing and communication skill.

· Strong communication and interpersonal skills, comfortable representing ESC to clients and regulatory agencies.

Other Requirements:

· Valid driver’s license.

· Ability to gain access to military installations.

Work Environment:

· Combination of office and field work.

· Office work primarily based in Overland Park, KS, with a hybrid schedule (Tuesday – Thursday in office).

· Travel required for project work, field work, and client engagements.

Physical Abilities:

· Ability to lift and carry up to 50 lbs. of equipment.

· Ability to walk, hike, and work in outdoor environments, including rugged or uneven terrain, for extended periods.

· Ability to work in varying weather conditions (rain, heat, cold).

· Ability to work long shifts during field mobilizations.

Salary. The base salary range for this position is between $100,000.00 to $140,000.00. The actual base salary offered depends on factors, including but not limited to, qualifications, years of relevant experience, skills, education, certifications, business need, and market demand.

Who We Are. At ESC, our mission is to build a substantial, sustainable business to serve as a generational economic engine for the Eastern Shawnee Tribe of Oklahoma. We achieve our goals and work together by following our four simple values: commitment, integrity, trust, and excellence.

Benefits. ESC offers competitive benefits including medical, dental, vision, individualized savings plans, accident insurance, cancer insurance, life insurance, paid parental leave, paid time off and holidays.

EEO. ESC provides equal employment opportunities to all employees and prohibits discrimination and harassment of any type to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identify or expression, pregnancy or any other characteristic protected by federal, state, or local law.