Environmental Technician

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AECOM is seeking an experienced Environmental Technician IV to join our Remediation team in Billings, Montana . JOB SUMMARY: This position will support environmental remediation and vapor intrusion mitigation projects, initially focusing on a federal program involving occupied residential properties throughout Montana. The successful candidate will serve as a senior field resource, leading and performing environmental sampling, vapor intrusion mitigation system inspections, installation support, maintenance, troubleshooting, and repairs. The ideal candidate will have strong environmental field experience, mechanical aptitude, and the ability to independently manage field assignments while coordinating with project managers, engineers, subcontractors, clients, and residents. This role requires sound technical judgment, a strong commitment to safety and quality, and the ability to identify field issues, resolve routine problems, and communicate conditions requiring additional technical review. Work will primarily occur in Billings, with periodic travel throughout Montana and surrounding states. JOB RESPONSIBILITIES: Lead and perform environmental sampling activities, including indoor and outdoor air, subslab soil vapor, and crawlspace sampling. Perform vapor intrusion mitigation system inspections, installation support, startup, operations and maintenance (O&M), troubleshooting, and repairs. Independently execute routine and complex field assignments, identify field conditions, resolve routine issues, and recommend next steps. Conduct pressure measurements, equipment readings, and system performance evaluations. Provide hands-on support for piping, fans, electrical components, sealing, and related mechanical systems within applicable training and authorization. Coordinate with project managers, engineers, subcontractors, licensed trade contractors, and field personnel. Assist with planning field mobilizations, equipment, materials, sampling supplies, and site access. Perform groundwater sampling and gauging, including low-flow, no-purge, and conventional methods, as needed. Maintain accurate field records, including daily reports, sampling logs, photographs, inspection records, equipment readings, and electronic documentation. Communicate professionally with residents, property owners, clients, and site representatives while protecting property and privacy. Identify and report field deficiencies, safety concerns, equipment issues, and deviations from approved procedures. Maintain field equipment, tools, supplies, and assigned vehicles. Support project health and safety plans, quality procedures, and applicable regulatory requirements. Provide technical guidance and field support to less experienced technicians, as assigned. Travel periodically to project locations throughout Montana and surrounding states. MINIMUM REQUIREMENTS: High School Diploma and 6+ years of relevant experience in environmental fieldwork, remediation, vapor intrusion mitigation, mechanical maintenance, construction, facilities maintenance, HVAC, or a related field, or demonstrated equivalency of experience and/or education. Due to the nature of the work and project sites, candidates must be U.S. Citizens or Permanent Residents. Employment sponsorship is not available now or in the future. A valid driver’s license is required, along with the ability to pass a Motor Vehicle Records (MVR) check in accordance with company policy. Ability to meet applicable medical surveillance requirements, including OSHA HAZWOPER medical examination, respiratory clearance, and fit testing when required. Ability to independently perform field assignments, maintain accurate documentation, and communicate effectively with project teams and clients. PREFERRED QUALIFICATIONS: 12+ years of experience in environmental fieldwork, remediation, vapor intrusion mitigation, or related mechanical and construction activities. Experience leading field activities, coordinating personnel, and independently executing environmental investigation and remediation assignments. Hands-on experience with vapor intrusion mitigation systems, including installation, startup, inspections, pressure measurements, troubleshooting, O&M, and repairs. Experience with air, soil vapor, crawlspace, and groundwater sampling techniques. Mechanical aptitude and experience with HVAC systems, ventilation equipment, piping, fans, and electrical components. Experience supporting federal, state, or commercial remediation projects, particularly in occupied residential or commercial properties. Current OSHA 40-hour HAZWOPER certification and applicable annual eight-hour refresher training. Current First Aid, CPR, and AED certification. Current OSHA 30-hour Construction training. Experience preparing field reports, inspection records, sampling documentation, and electronic data entries. Ability to independently perform field assignments, maintain accurate documentation, and communicate effectively with project teams and