Hydrogeologist

Montgomery & Associates (M&A) is hiring a full-time Staff Hydrogeologist to work out of our Tucson, Arizona office. This role combines fieldwork and office work, with a focus on water well drilling, lithologic logging, well construction, sampling, and aquifer testing. Fieldwork is expected to be approximately 70% of the role—mostly at remote sites in Arizona and for occasional projects in California and Nevada—with the remaining 30% in office.

If you have a degree in geology, hydrogeology, or related field and 0 to 3 years of relevant experience, we encourage you to apply. We're looking for a self-motivated professional with strong time management, organizational, and communication skills. M&A provides comprehensive training for both field and office work.

Your Role

• Observe and document drilling operations including describing drill cuttings in basin-fill and hard rock settings, characterizing hydrogeologic conditions, interpreting borehole geophysical logs, and conducting airlift tests
• Oversee monitor and production well installation including inspecting and measuring materials, verifying compliance with technical specifications, and monitoring drilling contractor activities
• Observe and document well development, rehabilitation, and pump installation
• Conduct aquifer characterization, which may include pumping, packer, and slug tests
• Measure water levels and download data from data loggers
• Collect water and soil samples, measure water quality parameters, prepare chain-of-custody documentation, and submit samples to laboratories
• Install, configure, and maintain groundwater and surface water monitoring instruments and telemetry systems, both on-site and remotely, and integrate data into data management system
• Prepare water and soil sample documentation and submit samples to laboratories
• Follow health and safety protocols, regulations policies, and procedures
• Maintain detailed field notes and report daily activities to project managers and clients
• Prepare lithologic logs, well construction diagrams, hydrographs, and maps
• Build data tables and plots in spreadsheet and graphing software to analyze field data
• Prepare data summaries, presentations, and technical reports and memos
• Participate in client meetings and calls to present results and recommendations
• Assist development of scopes of work, sampling and analysis plans, drilling technical specifications, and health and safety plans

Required Qualifications

• Bachelor's degree in geology, hydrogeology, or a closely related field
• 0 to 3 years of professional experience as a geologist or hydrogeologist
• Experience in well drilling, lithologic logging, well construction, and aquifer testing or relevant coursework
• Ability to interpret geologic conditions in bedrock and basin-fill environments
• Analytical skills in hydrographs, water contour assessments, and aquifer test analysis
• Ability to use electrical and electronic field instruments, hand tools, and power tools
• Clear technical writing skills and proficiency with Microsoft Office or similar software
• Strong interpersonal and communication skills
• Commitment to safe work practices in the field and office
• Ability to travel for fieldwork, with field shifts of up to 14 hours per day and assignments lasting 1 to 14 days
• Flexibility to work schedules beyond the standard workweek when necessary for the project
• Ability to lift up to 50 pounds, stand for extended periods, stoop, kneel, crouch, and walk or hike on uneven terrain, with or without reasonable accommodation
• Reliable vehicle, valid U.S. driver's license, and clean driving record
• Authorization to work in the United States
• Ability to pass a background check and drug screening

Why M&A

M&A delivers practical water resource solutions grounded in integrity,…