Senior Environmental Technical Lead

Overview

Tanaq Environmental, LLC. (Tanaq) delivers environmental engineering, investigation, consulting, and remediation services to local, state, and federal agencies in the areas of hazardous & toxic waste restoration, environmental compliance, emerging contaminants, and military munitions site management. Tanaq is a subsidiary of the St. George Tanaq Corporation, an Alaskan Native Corporation (ANC) committed to serving Federal customers while also giving back to the Alaskan native community and shareholders.

We are seeking a highly experienced Senior Environmental Technical Lead to support and lead complex environmental investigation, restoration, remediation, and emerging contaminant projects for federal and commercial clients. This role serves as a senior technical resource responsible for planning and executing field investigations, developing technical strategies and deliverables, supporting project execution, mentoring junior staff, and providing technical leadership across multidisciplinary teams.

The Senior Environmental Technical Lead serves as a senior technical lead supporting Project Managers and Program Managers throughout all phases of environmental investigation and remediation projects. Responsibilities include technical document preparation and review, data interpretation, field oversight, remediation support, subcontractor coordination, client engagement, and technical quality assurance.

The ideal candidate possesses strong technical expertise in environmental restoration, hydrogeology, geology, remediation, and emerging contaminants (including PFAS), with the ability to independently manage technical work streams, develop investigation and remediation strategies, support proposal development, mentor staff, and effectively communicate with clients, regulators, and project teams.

This is a hybrid remote role based anywhere in the United States with estimated travel up to 30‑50% annually, depending on project requirements.

• Support environmental investigation and remediation projects involving CERCLA, RCRA, MMRP, PFAS, HTRW, and other environmental restoration programs for federal and commercial clients by providing technical expertise.
• Independently plan and execute technical investigations with minimal oversight while supporting Project Managers in project planning, scheduling, resource coordination, and successful project delivery.
• Support/lead field investigations involving drilling oversight, well installation, soil logging, groundwater monitoring, aquifer testing, remediation implementation, and environmental sampling activities.
• Prepare, review, and provide technical quality assurance for a wide range of federal environmental restoration deliverables, including decision documents, investigation reports, remedial planning documents, conceptual site models, monitoring reports, work plans, and quality assurance plans.
• Provide technical leadership and mentoring to staff scientists, geologists, engineers, and field technicians to support professional development and technical excellence.
• Develop 3-dimensional (3D) environmental and hydrogeologic models using Earth Volumetric Studio (EVS) or provide oversite and technical expertise during development.
• Evaluate hydrogeologic conditions and develop conceptual site models to support groundwater flow interpretation, contaminant fate and transport assessments, plume characterization, and investigation design.
• Prepare technical presentations and project status updates to clients, regulatory agencies, and stakeholders in both virtual and in-person settings.
• Contribute to proposal development, including technical approaches, work plans, scopes, cost estimating, and responses to federal and commercial solicitations. Collaborate with corporate safety and quality personnel to ensure adherence to applicable health, safety, and quality requirements.

• Minimum 15 years of related environmental consulting, environmental restoration, remediation, geology, hydrogeology, engineering, or technical project support experience; 20+ years preferred.
• Strong technical experience supporting one or more of the following:
  Hazardous, Toxic, and Radioactive Waste;
  Per‑and polyfluoroalkyl substances (PFAS);
  Emerging contaminants; CERCLA/Superfund investigations and remediation; RCRA corrective actions;
  Military Munitions Response Program;
  Groundwater investigations and remediation;
  Environmental compliance programs
• Minimum 10 years of field experience supporting environmental investigation and remediation projects, including field leadership responsibilities.
• Experience supporting multidisciplinary technical teams and mentoring junior staff.
• Experience overseeing drilling, sampling, and remediation subcontractors.
• Experience interpreting hydrogeologic and geologic conditions and supporting conceptual site model development.
• Prior experience supporting federal government clients, including DoD, USACE, USAF, USN, EPA, USFS, and BIA.
• Experience…