Hydrogeologist

Montgomery-; Tucson (AZ); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Competitive benefits

Travel opportunities

On-site work

Job summary

Montgomery & Associates seeks a full‑time Hydrogeologist in Tucson, AZ, combining field and office work. The role focuses on water well drilling, lithologic characterization, well construction, sampling, and aquifer testing with potential growth into project management and leadership.

Ideal candidates have 4–7 years of hydrogeology site characterization, a geology/hydrology degree, and experience with well drilling, construction, and testing.

Qualifications

• 4–7 years of hydrogeological site characterization experience.
• Experience with well drilling, construction, and testing.
• Eligibility for registration as a Professional Geologist in the USA.
• Willingness to travel to out-of-town field locations.
• Able to work up to 14 hours per day; field tours may last 1 day–2 weeks.

Responsibilities

• Logistical planning and supervision of field tasks for hydrogeological characterization studies.
• Providing technical guidance on field tasks under the supervision of a field project manager.
• Overseeing well installation and development; inspecting materials and coordinating drilling activities.
• Observing and documenting well development and pump installation.
• Leading aquifer tests and other field investigations with guidance and support.
• Measuring water levels and maintaining project datasets.
• Preparing data summaries, presentations, and technical reports.
• Participating in client meetings to present program results.

Skills

Time management

Organizational skills

Communication skills

Fieldwork supervision

Education

Geology or hydrology degree

Graduate degree preferred

Tools

ArcGIS

AQTESOLV

Microsoft Office

Job description

Hydrogeologist

Montgomery & Associates Tucson, Arizona, United States

About this position

Hydrogeologist

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 4–7 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 4-7 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 leaveEmployer 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.