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Assistant Reservoir Engineer Jobs in California (NOW HIRING)

General Atomics

Reservoir Engineer

San Diego, CA · On-site

The Reservoir Engineer/Hydrologist exercises independent judgement to plan, coordinate and lead ... * Assist with water management strategies and data management. * Ensure conformance with site ...

New

Traylor Bros. Inc.

BIM Coordinator

Long Beach, CA · On-site

We have the ability to engineer creative solutions to overcome any obstacle. Ethics. We are honest ... The project will involve the use of a lower reservoir and the creation of an upper reservoir ...

Traylor Bros., Inc.

BIM Coordinator

Long Beach, CA · On-site

$80 - $120/hr

We have the ability to engineer creative solutions to overcome any obstacle. Ethics. We are honest ... The project will involve the use of a lower reservoir and the creation of an upper reservoir ...

Tutorperini

TBM Mechanical Superintendent

San Jose, CA

$199K - $261K/yr

We are known for our expertise in the engineering and construction of deep shafts and tunnels of ... The new tunnel will provide an additional means of conveying water between the Kensico Reservoir ...

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Becoming an assistant reservoir engineer typically requires a bachelor's degree in petroleum engineering, geology, or a related field, along with strong analytical and technical skills. Gaining relevant internship experience and understanding reservoir simulation tools can improve job prospects, but the role is generally accessible to recent graduates with the proper education and skills.

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Infographic showing various Assistant Reservoir Engineer job openings in California as of July 2026, with employment types broken down into 1% As Needed, 75% Full Time, 20% Part Time, 2% Temporary, and 2% Contract. Highlights an 99% Physical, and 1% Remote job distribution.

Reservoir Engineer

General Atomics

San Diego, CA • On-site

Full-time

Posted yesterday

New

General Atomics rating

9.0

Company rating: 9.0 out of 10

Based on 39 frontline employees who took The Breakroom Quiz

10th of 72 rated aerospace companies

Job description

Job Summary
General Atomics (GA), and its affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted aircraft, airborne sensors, and advanced electric, electronic, wireless and laser technologies.
We have an exciting opportunity for a Reservoir Engineer to join our Uranium Resources Group in Grants, NM. This position will be based in the Southwest part of the United States with 25%-50% domestic travel.
In this role, you will work both in the field and in the office on water resources and environmental projects with the schedule to be determined by project needs.
DUTIES AND RESPONSIBILITIES:
  • Compile, analyze, and interpret geologic, hydrogeologic, hydrologic, and geochemical data
  • Work with more senior staff to develop and apply numerical models of groundwater flow, vadose zone flow, and solute transport.
  • The Reservoir Engineer/Hydrologist exercises independent judgement to plan, coordinate and lead moderately difficult and comprehensive hydrological investigations, inventory and monitoring projects, and scientific research.
  • Set up field projects, including permitting; coordinating with staff, laboratories, and subcontractors; and obtaining necessary equipment.
  • Conduct and oversee field work including drilling and well construction oversight, soil sampling and logging, groundwater monitoring, soil gas sampling, aquifer testing, field mapping, and trench logging
  • Ensure projects are performed safely.
  • Prepare draft technical reports, including technical writing, development of report tables, and figures.
  • executes, and may lead field work in remote environments to generate new or verify existing mapped hydrological information, and to monitor ongoing activities.
  • Plans and performs data collection, management, and analysis using current technologies, including ArcGIS Online, ArcGIS Pro, Field Maps, Aquarius, R, and other software, performs data entry, carries out quality control checks on data collected and entered by others, conducts analysis of data sets, prepares maps and scientific reports, and determines, documents, and communicates the findings to management, other science professionals, and the public.
  • Assists with project planning, work and funding proposals, budget tracking, and other administrative tasks.
  • Communicates effectively, orally and in writing, with other Park staff and offices, other agencies, institutions, academia, researchers, and others regarding collaboration, compliance, and ongoing work, and may participate in conferences or other technical meetings.
  • May be required to work on-call, evenings, weekends, holidays, overtime, and shift work.
  • Physical Demands: Field work is an integral part of this position, and may require strenuous physical activity, such as long periods of standing, walking long distances over rough, mountainous terrain, camping overnight in remote locations, and lifting and carrying heavy objects.
  • The position may require strenuous physical activity including periods of standing, walking, climbing.
  • Data management, computer work, documentary research and report writing work are sedentary, which entails the ability to concentrate and write for long periods of time in an office setting Conditions: Work is performed both indoors and outdoors in all types of weather, including hot, dry, wet, cold, wind, and precipitation.
  • Ensure that the required hydrogeologic data is collected, compiled, analyzed, interpreted, and applied for effective and accurate communication to stakeholders and management.
  • Oversee preparation and timely submittal of monthly, quarterly, semi-annual and annual reports related to hydrogeologic data in accordance with reporting requirements.
  • Ensure that hydrogeologic work is budgeted, forecasted, and communicated appropriately for all projects.
  • Assist with water management strategies and data management.
  • Ensure conformance with site-specific Nuclear Regulatory Commission License SUA-1471, New Mexico Environmental Department Permit DP-200 permit requirements, and Standard Operating Procedures.
  • Assist other personnel in achieving site objectives.

We recognize and appreciate the value and contributions of individuals with diverse backgrounds and experiences and welcome all qualified individuals to apply.
Job Qualifications
  • Typically requires a bachelors degree, masters degree or PhD in engineering or a related technical discipline from an accredited institution and progressive engineering experience as follows; nine or more years of experience with a bachelors degree, seven or more years of experience with a masters degree, or four or more years with a PhD. May substitute equivalent engineering experience in lieu of education.
  • Typically requires a bachelors degree, masters degree or PhD in Geology, Hydrogeology, Hydrology, Engineering Geology, Civil Engineering, or related from an accredited institution.
  • 3 - 5+ years of work experience (hydrogeology, reservoir engineering or related).
  • Knowledge and experience of well design, drilling, completions, and development.
  • Capability in aquifer testing design and analysis/characterization.
  • Field capability - supervision of field programs, wellbore drilling and completion, aquifer testing, groundwater sampling.
  • Report writing and communication - internal, stakeholder, regulatory.
  • Design of monitoring networks and regulatory requirements.
  • Knowledge and experience of core sampling methodology for porosity/permeability studies (Routine Core Analysis).
  • Stakeholder engagement and management.
  • Rural/remote work as required to project site work, frequent and regular.
  • Numerical modelling experience - MODFLOW and/or FEFLOW.
  • Experience valued in mining and/or uranium and/or ISR and/or New Mexico.
  • Regulatory knowledge/understanding (NRC/NM, uranium, ISR).
  • Must be capable, willing and enthusiastic to learn & lead project tasks.
  • Ability to work individually and as part of a team.
  • Ability and willingness to travel locally and out of the area as necessary.
  • Ability to stoop, kneel, climb and lift up to 50 pounds.
  • Working in a standing position for the majority of the field workday.
  • Ability to drive large pick-up truck.
  • Ability to use hands to operate field equipment.

Work Location & Travel
  • This position will be based in Albuquerque, New Mexico or the surrounding area. The role is primarily performed from the employee's home or local office, with travel to the project site in Grants, New Mexico approximately 25% of the time (or as business needs require). Relocation to Grants is not required; however, the selected candidate must reside within a commutable distance to Grants, New Mexico.

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About General Atomics

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General Atomics (GA), and its affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted aircraft, airborne sensors, and advanced electric, electronic, wireless and laser technologies.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

San Diego, CA, US

Year founded

1955

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