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.

ESC is seeking a Environmental Technical Project Manager. The Environmental Technical Project Manager leads the planning, execution, and oversight of environmental field projects involving CERCLA, RCRA, PFAS, MMRP, HTRW and natural/cultural resources work. They manage field teams, coordinate subcontractors and serve as the primary technical contact for clients. This role develops field strategies, oversees data collection/reporting, ensures regulatory compliance, and provides technical expertise to support the sales team during proposal development.

Core Responsibilities – Technical Field Leadership & Execution

· Serve as the field team lead for environmental investigations, sampling, monitoring, and remediation activities.

· Develop detailed field execution strategies, including sampling plans, investigation methods, and remediation implementation approaches.

· Lead all aspects of field activities including planning, scheduling, resource allocation, equipment procurement, and field logistics.

· Provide on-site troubleshooting support for field teams during unexpected conditions, equipment issues, or changing site circumstances.

· Ensure field work is executed in compliance with CERCLA, RCRA, FFA, ESA, NHPA, NEPA, permits, and all federal/state regulatory requirements.

· Conduct or oversee installation of monitoring wells, drilling oversight, and remediation system performance monitoring.

· Support in-situ/ex-situ remediation activities, including dig and haul, pump-and-treat operations, and natural attenuation monitoring.

Technical Oversight, Reporting & Data Management

· Prepare, review, and approve technical reports, work plans, health & safety plans, sampling and analysis plans, and other regulatory deliverables.

· Lead data evaluation including groundwater, soil, vapor, sediment, ecological, and PFAS analytical data.

· Develop conceptual site models (CSMs), update project technical approaches, and recommend remedy optimization strategies.

· Ensure accuracy, completeness, and regulatory acceptance of reports and deliverables.

· Present project findings, status updates, and technical recommendations to clients, regulators, and internal leadership.

· Monitor project performance against technical objectives and schedules; adjust project plans as needed.

Project Management & Subcontractor Coordination

· Serve as the technical point of contact for clients, subcontractors, and field teams on day-to-day project execution.

· Oversee subcontractor activities including drilling, surveying, geophysics, laboratory services, remediation system vendors, and specialty technical support.

· Monitor subcontractor performance and ensure contract scopes, quality expectations, and schedules are met.

· Support the development of project schedules, resource plans, cost estimates, and procurement requirements.

· Support risk identification, mitigation planning, and issue resolution throughout project life cycles.

· Maintain accurate project documentation and ensure compliance with internal quality standards.

Team Leadership & Mentoring

· Supervise environmental scientists, field technicians, and other project staff.

· Provide field-based coaching and technical training to staff.

· Ensure strong communication, safety awareness, and task clarity within field teams.

· Foster a collaborative, safety-focused, and high-quality work environment.

Technical SME Support to Sales & Business Development

· Serve as the technical subject matter expert for the sales team during proposal development.

· Provide input on technical approaches, scopes, level of effort, and remediation strategies for new opportunities.

· Assist in developing win themes, technical narratives, and solutions for proposals in CERCLA, RCRA, PFAS, MMRP, HTRW, and natural/cultural resource scopes.

· Support client interviews, orals presentations, and technical Q&A as needed.

· Share lessons learned from field execution to inform more competitive proposal strategies.

Minimum Education and Experience:

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

· 10+ years of experience in federal environmental remediation environmental programs.

· Experience serving the Army Corps of Engineers and the Department of Defense in a contracting capacity.

· Demonstrated experience with CERCLA, RCRA, PFAS, HTRW, and MMRP field work

· Demonstrated experience with natural and cultural resource field experience

· Professional Geologist (PG), Certified Environmental Scientist (CES), Project Management Professional (PMP), or Professional Engineer (PE)

Knowledge, Skills and Abilities:

· Strong understanding of field sampling techniques, environmental monitoring equipment, remediation technologies and site characterization methods

· Ability to lead field teams, coordinate subcontractors, and manage complex field logistics.

· Strong communication skills and ability to interface directly with clients and partners.

· Ability to travel and work in the field as needed.

Other Requirements:

· Ability to gain access to military installations.

· 40 hour HAZWOPPER.

Work Environment:

· This position is based in Overland Park, KS and required to work in the office Tuesday – Thursday.

· Ability to travel for field work including over night stays.

· Ability to perform work outside in all weather conditions.

· Ability to travel for occasional business development requirements.

· Driving is required.

Physical Abilities:

· Ability to lift and carry equipment and samples weighing up to 50 pounds.

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

· Ability to work in various weather conditions (e.g. rain, heat, cold).

· Ability to work on feet for extended periods of time.

Benefits. ESC offers competitive benefits including medical, dental, vision, individualized savings plans, short term disability, life insurance, and paid time off.

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: We remain focused on our mission in everything we do.

- Integrity: We do what’s right.

- Trust: We build trust through respect, honesty, and follow-through.

- Excellence: We aim high and take pride in raising the standard.

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 identity or expression, pregnancy or any other characteristic protected by federal, state, or local law.