Environmental Hydrogeologist III- San Francisco, CA [1945-RSI-04] Summary **Title:** Environmental Hydrogeologist III- San Francisco, CA [1945-RSI-04] **ID:** 1945 - RSI - 04 Description **About Company** RSI EnTech is a wholly owned operating company of ASRC Industrial (AIS).AIS was founded in 2016 by Arctic Slope Regional Corporation (ASRC), an Alaska Native Corporation (ANC) established under the Alaska Native Claims Settlement Act of 1971. As part of an ANC all our operating companies are Minority Business Enterprises (MBE). We help our clients meet their diversity spending objectives while also providing sustainable returns for our nearly 13,500 Iñupiat shareholders. We offer competitive salaries and full range of benefits including: generous PTO plan, paid holidays, medical, dental, vision, 401K (100% match up to 4% eligible compensation) and 100% immediate vesting, basic and supplemental life insurance, short-term and long-term disability as well as other benefits. **Job Summary:** The Hydrogeologist III (1) implements and provides peer review on projects that involve the assessment of aquifer hydrogeologic and contaminant fate and transport characteristics, surface-groundwater interaction, vadose zone flow and transport, dewatering requirements, water supply evaluation, artificial groundwater recharge, and the identification, assessment and investigation of sites where potential environmental releases of contaminants may have occurred; (2) evaluates chemical, hydrogeological and biogeochemical data derived from site investigation activities to understand nature and extent of contamination, to quantify contaminant fate and transport to support risk assessment and remedial decision-making, and to aid in the determination of site remediation alternatives; and (3) designs and implements remedial strategies to address potential risks to human health and the environment resulting from the release of contaminants to the site. **Duties and Responsibilities:** Environmental Hydrogeologist III typical responsibilities and duties include, but are not limited to the following: + Directs and oversees sample teams performing environmental sampling tasks, such as collection of soil, surface water, groundwater, soil gas, or other environmental media for physical or chemical analysis and ensures proper documentation of all field activities + Direct drilling subcontractors and logs subsurface lithology during drilling and sampling activities following the Unified Soils Classification System (ASTM 2487). Ensures the design, installation and development of groundwater monitoring wells and remediation wells are conducted according to project work plan specifications. + Prepare and peer review groundwater investigation work plan, designs groundwater monitoring network to support site characterization and remedy performance evaluation. + Prepare designs for more complex or multi-phase/multi-media groundwater, vadose zone, and soil vapor/vapor mitigation remedial systems – including the placement of extraction wells/injection locations and vertical intervals, well spacing, injectant dissemination methodology, injectant dosing, pumping and injection rate (water and/or sol vapor), etc. + Analyze complex slug, pumping, dipole and tracer test results to interpret contaminant flow and transport and to design/optimize remedial systems. + Determine and design excavation dewatering and mine reclamation dewatering needs based on site conditions using analytical and numeric modeling tools. + Select and design artificial groundwater recharge sites; evaluates and implements optimal recharge technologies based on site conditions (recharge basins, vadose zone injection, and aquifer storage and recovery wells, etc.) + Review potentiometric surface and isoconcentration contour maps for submittal to client. + Assesses groundwater–surface water interaction with regard to site flow mechanics and contaminant transport. + Model multi-phase/multi-media contaminant fate and transport in soil vapor, vadose zone moisture, groundwater and surface water. Designs and conducts sensitivity testing of inputs on model results. + Models optimization of operating remedial systems using manual (trial and error) and advanced automated optimization models in support of improving remedial system performance/reducing life cycle costs + Quantifies water well and supply characteristics including well capacity/efficiency, capture zone, contributing area. + Supports assessment and development of transport/receptor-based and/or leaching-based cleanup values in support of risk assessment and remedial decision making + Conducts watershed and runoff analyses. + Evaluates data generated by field activities to provides detailed interpretations of subsurface lithology, groundwater flow conditions, and nature and extent of contamination for inclusion in reports or presentations. + Author RFQs and assist in procurement and selection of technical and specialty subcontractors, consultants, service providers, and materials to accomplish scope of work. + Organizes and conducts project meetings with clients and/or regulators. + Support development of modification proposals and claims/request for equitable adjustment (REA) + Performs peer review of the work performed by more junior Hydrogeologists. + Performs the above field- and office-related tasks independently as a Certified Hydrogeologist [CHG] or Professional Hydrologist (as required) and/or as directed by the Project Manager. **Key Requirements, Education, and Experience:** + BA/BS or MS in hydrogeology, geology, or geological engineering + 6 to 10 years’ experience conducting hydrogeologic evaluation and contaminant fate and transport assessment in the environmental industry. + Or equivalent combination of education and experience + Registered Professional Geologist license in California or ability to obtain within 6 months of hire is required. + HAZWOPER 40 Hour Certification with current 8 Hour Refresher + USACE Contractor Quality Management for Contractors certification is desirable. + Solid understanding of fundamentals of hydrogeology, flow in porous and fractured media, multi-phase flow, and contaminant fate and transport in environmental media + Strong quantitative skills + Ability to solve complex technical problems, develop conclusions and provide innovative recommendations for further actions. + Able to prepare complex technical documents that present information in a clear, concise format. + Able to review and critique complex technical documents and provide useful input to authors in order to produce high quality deliverables for client and/or regulatory end users or the public. + Proficient in mathematical and statistical analysis of groundwater and vapor dynamics + Aware of relevant guidance and procedures for calculating and evaluating capture zones, boundary conditions, drawdown/dewatering requirements, air and soil gas flow mechanics, and flow and transport characteristics + Proficient with analytical tools for the assessment of flow and transport + Able to understand and utilize basic and more complicated modeling software. + Broad and general understanding of contaminant fate and transport mechanisms in environmental media + Proficient in collection of aquifer characteristics data and the analysis of field and laboratory data. + Functions as a team leader, providing direction and technical guidance to project team members. + Proficient in executing project management skills to manage multiple projects, supervise field efforts, and lead project teams to fulfill project objectives in an efficient, organized manner. + Applies project management skills to assist PM, manage tasks, or work on proposals, as needed. + Understands and complies with all necessary regulatory requirements/permitting and ensures project personnel are aware of their responsibilities to comply with appropriate and/or applicable regulatory requirements. + Functions as Technical Lead, Task Manager, and/or project team leader, providing direction and technical guidance and mentoring to junior team members. + Achieves and maintains professional licensing and certifications (Professional Geologist, Certified Hydrogeologist [CHG]; Professional Hydrology Certificate; etc.). + Mentoring of junior Hydrogeologists / Geologists + Actively maintains professional licensing and certifications. + Basic negotiation skills. **WORKING CONDITIONS** **:** While performing the duties of this job, the employee is frequently required to: + Travel to other business unit locations, including projects in remote locations, and training classes. + Standard requirements for working in an office environment including working on desktop and laptop computers. + Lift and/or move up to 30 lbs + Work in outdoor conditions that include inclement weather, heat and humidity. + Work in an environment with dust, loud noise and/or vibrations. **Travel:** + Travel to other business unit locations, including projects in remote locations, and training classes. EEO Statement: ASRC Industrial and its operating companies affords equal opportunity in employment to all individuals regardless of race, color, religion, sex, sexual orientation, gender identity, age, national origin, pregnancy, familial status, disability status, veteran status, citizenship status, genetic information or any other characteristic protected under Federal, State or Local law. ASRC Industrial is an Equal Opportunity Employer