Senior Environmental Scientist — Field Lead, PFAS & Remediation

132aceeb-628d-4505-9d7b-6d39cdc45adb; Billings (MT); On-site; USD 65,000 - 98,000; Full time

Job summary

HGL (HydroGeoLogic, Inc.) seeks an Environmental Scientist III based in Billings, MT or Helena, MT to support EPA, Montana DEQ, and Army Corps projects in the Mountain West. The role involves field sampling, remedial system support, and coordinating with government customers and RA Contractors.

The ideal candidate has a Bachelor’s degree in Engineering, Geology, or Environmental Science and 4+ years of experience, with strong technical writing, safety training, and knowledge of

Qualifications

• Bachelor’s degree in Engineering, Geology, or Environmental Science-related field.
• 4+ years of experience.
• Ability to work in a team environment with management staff.
• Excellent written and oral communication skills.
• Proficient in MS Word, MS Excel, and other MS Office applications.
• Possess or obtain OSHA 40-Hour HAZWOPER certification upon employment.
• Experience with CERCLA, DoD, DOE, EPA, and/or RCRA projects.

Responsibilities

• Ensure field operations are conducted safely per Site Safety Plans / H&S Plans.
• Lead field teams for water, soil, and soil vapor sampling.
• Assist with remedial system installation and operations & maintenance services.
• Oversee field subcontractors including remediation and waste transport.
• Interface with program managers, clients, and RA Contractors.
• Prepare work plans and project deliverables (e.g., RI Reports, SSHP/HASPs).
• Provide technical support during investigation, planning, design, and execution phases.
• Assist with data entry, analysis, and interpretation of environmental data.
• Travel up to 50% within the western U.S.

Skills

Communication skills

Teamwork

Data analysis

Technical writing

Education

Bachelor’s degree in Engineering, Geology, or Environmental Science

Master's degree (preferred) in Environmental Engineering or related field

Tools

MS Word

MS Excel

Job description

HGL (HydroGeoLogic, Inc.) seeks an Environmental Scientist III based in Billings, MT or Helena, MT to support EPA, Montana DEQ, and Army Corps projects in the Mountain West. The role involves field sampling, remedial system support, and coordinating with government customers and RA Contractors.

The ideal candidate has a Bachelor’s degree in Engineering, Geology, or Environmental Science and 4+ years of experience, with strong technical writing, safety training, and knowledge of