Hydrogeologist (Field Focused)

Montgomery & Associates (M&A) is seeking a full-time Project Hydrogeologist to join our team in M&A's Tucson, Arizona, headquarters. Most work will occur in Arizona, with occasional field assignments in southern California or Nevada. This position offers a mix of field and office work—focusing on projects involving water well drilling, lithologic characterization, well construction, sampling, and aquifer testing—with opportunities for growth and developing project management and leadership skills.

We encourage you to apply if you have a strong 3–7 years of hydrogeological site characterization experience, a degree in geology, hydrology, or related field, and experience in well drilling, construction, and testing. Experience with well design and consulting is a plus. We're looking for a self-motivated professional with strong time management, organizational, and communication skills. Duties will vary from day to day and week to week, with an expected average of 60% fieldwork and 40% office work. Some assignments may be in remote areas in Arizona or other western states.

Site Characterization Duties

Logistical planning and supervision of field tasks for hydrogeological characterization studies
Providing technical guidance on field tasks under direct supervision of a field project manager and working collaboratively as a part of a multi-disciplinary team
Responsibility for field operations, which includes preparing and describing drill cutting samples in both basin-fill and hard rock geologic settings, characterizing hydrogeologic conditions and contacts, and reviewing and interpreting borehole geophysical logs
Overseeing well installation and well development, which includes inspecting and documenting materials, verifying compliance with technical specifications, and coordinating drilling contractor activities
Observing and documenting well development, rehabilitation, and pump installation
Leading various types of aquifer tests and other field investigations with guidance and support
Measuring water levels, downloading dataloggers, and maintaining project-specific datasets
Installing, configuring, or modifying instrumentation and telemetry systems related to groundwater and surface water monitoring
Collecting and documenting water and soil samples and measure water quality parameters
Following applicable health and safety protocols, regulations policies, and procedures
Maintaining detailed field notes and communicating daily activities to project managers and clients

Office Logistical Duties

Develop scopes of work, sampling and analysis plans, drilling program technical specifications, and health and safety plans
Interpret hydrogeologic data including lithologic data with geophysical logs, groundwater and streamflow hydrographs, aquifer tests, and groundwater chemistry
Prepare detailed lithologic logs, schematic diagrams, hydrographs, and map figures
Prepare water and soil sample documentation and submit samples to laboratories
Use spreadsheets and graphing software to create data tables and plots to analyze field data
Process and analyze pumping test data to determine hydraulic parameters and estimate production capacity
Manage, configure, and modify instrumentation remotely and integrate data to in-house data management systems
Prepare data summaries, presentations, and technical reports/memos
Participate in client meetings/teleconferences to present program results and recommendations

Qualifications

Strong 3-7 years of work experience in field-based investigations including overseeing and managing water well drilling, construction, development, and aquifer testing
Experience providing logistical support for hydrogeological site characterizations to meet study objectives
Ability to effectively and collaboratively communicate a variety of technical and logistical information among different stakeholders and multi-disciplinary teams
Knowledge of well design fundamentals including well construction materials and applications, sizing of filter pack material and/or formation stabilizer, types of well screen and applications, and Arizona well construction standards
Competency in lithological logging methodologies for water wells or piezometers
Experience preparing technical specifications for the drilling, construction, and testing of water wells
Undergraduate degree in geology, hydrology, engineering, or related field; graduate degree preferred
Eligibility for registration as a Professional Geologist in the USA
Consulting experience is a plus
Able and willing to travel to out-of-town field locations
Able and willing to work up to 14 hours per day with potential night shifts; field tours can range from 1 day to 2 weeks
Ability to lift 50 pounds and perform the following actions: standing for long periods of time, stooping/kneeling/crouching, and walking/hiking on uneven terrain
Able to use electrical and electronic test instruments and hand and power tools
Strong organizational, troubleshooting, and problem-solving skills
Proficiency with industry-standard software: Microsoft Office Suite, ArcGIS, AQTESOLV
Excellent verbal and written communication skills and positive and enthusiastic attitude
Possession of a reliable vehicle and valid U.S. driver's license with clean driving record
Ability to legally work in the U.S.; must pass background check and drug test if requested

At M&A, our mission is to promote a fulfilling and respectful work culture where employees collaborate to deliver pragmatic water resource solutions grounded in the principles of integrity, scientific rigor, and environmental responsibility. We are independently owned by practicing scientists who are committed to these values and to supporting our community partners.

Benefits include:

Competitive benefits and salary in an expanding team-oriented company
Dynamic work environment with safety and technical training provided by the company
Challenging and collaborative multidisciplinary projects
On the job mentoring by senior professionals
Western U.S. projects and travel opportunities
Medical, dental, vision insurance, flexible Spending Account, HRA
Long- and short-term disability
Life/AD&D insurance
Vacation, holiday, personal, and sick leave
Paid parental leave
Employer matching 401k retirement plan

We are an Equal Opportunity Employer.

M&A values diversity and inclusivity. All qualified applicants will receive consideration for employment without regard to race, color, national origin, ancestry, sex, gender, gender identity, gender expression, age, sexual orientation, religious creed, physical or mental disability, medical condition, genetic information, marital status, veteran status, or any other classification protected by applicable federal, state, or local law.

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Hydrogeologist (Field Focused) - Now Hiring

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