Job Details: Job Location: Irvine, CA - Ivine, CA, Position Type: Full Time, Education Level: Graduate Degree, Salary Range: $115000.00 - $140000.00Salary/year, GSI Environmental Inc has an immediate opening for a Senior-level Hydrogeologist/Hydrologist Modeler in our Irvine, California office.  This individual would have the opportunity to work with our internationally recognized subject matter experts in applying numerical models and data science tools to water resources projects locally and abroad.   GSI is an employee-focused company with superior compensation, benefits, professional development, and ownership opportunity for excellent candidates. GSI is highly respected nationally and internationally for the quality of its professional environmental services and the technically advanced projects it has completed over its 40 years of operation.   Responsibilities: Directing and managing small to mid-sized hydrogeology/hydrology projects Developing technical approaches for solving complex water resource management problems Preparing written proposals, managing project budgets, and communicating with clients and project stakeholders Providing technical training, mentorship and support to associate staff Working directly with clients to identify specific project needs and communicating results Qualifications: Qualifications/Requirements: Over 6 to 8 years of related work experience Master's Degree or higher in Geology, Civil/Environmental Engineering, or related scientific field with an emphasis in quantitative analysis Professional registration as applicable to one’s technical background Extensive experience overseeing  and conducting water resource modeling, data analyses, visualization of modeling results, reporting, and presentations to clients and stakeholders Experience in water resource studies, subsidence analyses, and resource management evaluations are desirable Excellent written and verbal communication skills Experience managing projects/tasks, including the preparation of proposals, cost tracking, and maintaining budgets Valid driver’s license and clear driving record Ability to travel   Job Perks: Competitive salary and benefits with attractive year-end bonuses Opportunities for company share ownership Flexible work environment Participation in conferences, technical presentations, and publications Collaborative atmosphere   The base salary for this position will be determined by the candidate’s geographic location, education, relevant degree, related experience, and overall qualifications.