Senior Hydrogeologist

Company: Montgomery & Associates
Location: Sacramento
Posted on: January 16, 2026

Job Description:

Senior Hydrogeologist Montgomery & Associates (M&A) is seeking a full-time senior hydrogeologist to join our California Team. The position includes senior-level responsibilities and requires the ability to manage and provide technical oversight to multiple tasks and/or projects simultaneously. The person in this position will interact with M&A team leaders, project staff, project managers, administrative personnel, clients, and regulators. Our company of highly respected water resources professionals, headquartered in Tucson, AZ, has been in business since 1984 and is growing, with recent expansions in the western U.S. and South America. In California, our team comprises 23 professionals located in 4 offices: Oakland, Sacramento, Monterey, and Pasadena. This role offers an exciting opportunity to work with an enthusiastic team of water resource scientists and engineers throughout California and interact with our expert team of modelers and senior professionals in Tucson. Responsibilities Managing and technically contributing to tasks and projects that focus on quantitative hydrogeology and groundwater resources management, including: Implementing SGMA and supporting engineering projects to achieve sustainability Designing and interpreting predictive modeling runs and supporting model updates Developing hydrogeologic conceptual models and water budgets Designing monitoring networks and coordinating field teams to implement monitoring programs Meeting with regulatory agencies and water agencies Evaluating data and preparing technical reports Reviewing technical reports at a senior level Supporting Program Manager and Task Managers in evaluating level of effort and scope of work for new technical efforts Directing, training, and mentoring junior staff Managing relationships with clients and other project stakeholders, including regulatory agencies Preparing technical proposals and work plans for future work Leading business development by building client relationships, identifying opportunities, and contributing to proposals and scopes Qualifications Graduate degree in hydrology, geology, or engineering Strong ability to apply hydrogeologic principles to characterize and assess groundwater systems Familiarity with California water laws and regulations preferred Ten or more years of experience in environmental and water resources consulting Professional registration (P.G. or P.E.) Professional experience working with groundwater models Experience working on SGMA projects for Groundwater Sustainability Agencies Proven task or project management experience Excellent technical writing skills and ability to present technical information in group/meeting settings Proficiency with standard analytical approaches and tools Interest in engaging in professional organizations, including presenting at conferences Ability to legally work and reside in the United States Benefits include: Competitive benefits and salary in an expanding team-oriented company Dynamic work environment with safety and technical training provided by the company Interesting and collaborative multidisciplinary projects On the job mentoring by senior professionals Medical, dental, and vision insurance Flexible Spending Account; HRA Long- and short-term disability Life/AD&D insurance Vacation, holiday, personal, and sick leave Employer matching 401k retirement plan Compensation range: Monthly Base Pay Range: $9,000 - $11,250 Estimated Annualized Compensation Including Bonuses: $122,000 - $151,000 Compensation for qualified extra hours could further increase the estimate above. 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. PIbabc2f50b774-25448-39343318

Keywords: Montgomery & Associates, Chico , Senior Hydrogeologist, Engineering , Sacramento, California