J.S. Held is seeking a motivated and detail-oriented Field Technician to join our Industrial Hygiene & Built Environment practice in Phoenix, Arizona. This role involves performing field-based environmental testing, hazardous materials assessments, and supporting remediation, compliance, and industrial hygiene projects across a variety of commercial, industrial, and public-sector client sites.The ideal candidate will have hands-on experience conducting environmental sampling and inspections, strong documentation skills, and a commitment to safety, quality, and regulatory compliance in dynamic field environments.Job ResponsibilitiesConduct on-site environmental inspections and monitoring for hazardous materials, including asbestos, lead-based paint, mold, and other indoor environmental concerns.Perform air, bulk, wipe, water, and surface sampling in accordance with applicable regulatory standards and project-specific protocols.Support indoor air quality (IAQ) assessments, moisture mapping, and environmental condition evaluations.Assist with building surveys, hazard identification, and field investigations under the direction of Project Managers and Industrial Hygienists.Complete daily field documentation, including field notes, reports, photographs, chain-of-custody forms, and sampling records to maintain defensible project documentation.Support remediation and abatement projects through contractor oversight, visual inspections, and clearance sampling activities.Maintain, calibrate, and troubleshoot field equipment to ensure accurate and reliable data collection.Ensure compliance with federal, state, and local regulations, including OSHA, EPA, and Arizona-specific requirements.Follow company health and safety policies and actively promote a safe work environment.Support emergency response and time-sensitive environmental incidents as required.Collaborate effectively with project managers, industrial hygienists, and other technical staff to support successful project execution.Assist with inventory management, equipment maintenance, and general field operations.