1

Assistant Reservoir Engineer Jobs (NOW HIRING)

Completions Engineer

Houston, TX · On-site

$76K - $103K/yr

... processes * Assist in development and execution of programs for non-critical operations and ... reservoir engineering and economic evaluations * Works with the completions team to negotiate ...

$120 - $180/hr

... processes. * Assist in development and execution of programs for non-critical operations and ... reservoir engineering and economic evaluations. * Works with the completions team to negotiate ...

New

Completions Engineer

Houston, TX · On-site

$76K - $103K/yr

... processes * Assist in development and execution of programs for non-critical operations and ... reservoir engineering and economic evaluations * Works with the completions team to negotiate ...

$85 - $108/hr

... reservoir modelling and detailed design process. * Perform and review thermal heat balances for ... Interface with contractors for resolution of technical issues. * Assist oversight of power plant ...

Support cost tracking and verify contractor invoices against field records. * Assist with post ... Knowledge of geothermal reservoir engineering concepts. * Familiarity with environmental compliance ...

Support cost tracking and verify contractor invoices against field records. * Assist with post ... Knowledge of geothermal reservoir engineering concepts. * Familiarity with environmental compliance ...

Working closely with senior geologists, reservoir engineers, geophysicists, and drilling and ... * Assist in development of petrophysical and geomechanical models to characterize reservoirs ...

... * Assist engineering and other personnel to solve operating problems. The Applicant * Candidates should be experienced within the Reservoir discipline, with particular experience in managing a ...

... Assist engineering and other personnel to solve operating problems. The Applicant Candidates should be experienced within the Reservoir discipline, with particular experience in managing a ...

Working closely with senior geologists, reservoir engineers, geophysicists, and drilling and ... * Assist in development of petrophysical and geomechanical models to characterize reservoirs ...

Geologist

Golden, CO · On-site

$140 - $180/hr

Working closely with senior geologists, reservoir engineers, geophysicists, and drilling and ... * Assist in development of petrophysical and geomechanical models to characterize reservoirs ...

New

Support cost tracking and verify contractor invoices against field records. * Assist with post ... Knowledge of geothermal reservoir engineering concepts. * Familiarity with environmental compliance ...

Support cost tracking and verify contractor invoices against field records. * Assist with post ... Knowledge of geothermal reservoir engineering concepts. * Familiarity with environmental compliance ...

Actively participate in any HAZID, HAZOP and Bow Tie Analysis. Assist with preparation of final ... Support DS in all operational issues with engineering calculations, service company's management ...

Showing results 41-60

Assistant Reservoir Engineer information

See salary details

$33K

$88.8K

$134.5K

How much do assistant reservoir engineer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for assistant reservoir engineer in the United States is $88,754.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,500.00 and $104,500.00 per year, depending on experience, location, and employer.

Is it hard to become an assistant reservoir engineer?

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.

What cities are hiring for Assistant Reservoir Engineer jobs?

Cities with the most Assistant Reservoir Engineer job openings:

What are the most commonly searched types of Reservoir Engineer jobs?

The most popular types of Reservoir Engineer jobs are:

What states have the most Assistant Reservoir Engineer jobs?

States with the most job openings for Assistant Reservoir Engineer jobs include:

Infographic showing various Assistant Reservoir Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 21% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $88,754 per year, or $42.7 per hour.

Investment Banking - Geologist Technician - Associate

JPMorgan Chase & Co.

Houston, TX • On-site

$75 - $100/hr

Other

Re-posted 10 days ago


JPMorgan Chase & Co. rating

7.9

Company rating: 7.9 out of 10

Based on 500 frontline employees who took The Breakroom Quiz

77th of 174 rated banks


Job description

Job Summary

As a Petroleum Technologist, you will be a key player in our business strategy and execution. You will participate in the "full cycle" of transactional execution and support team members across both the A&D and coverage functions. You will develop strong function skills in the major areas of M&A&D investment banking.

Job Responsibilities
  • Develop, maintain and update reserves databases to support team activities
  • Work closely with engineers and geologists to ensure accurate representation of commercial and reservoir data in reserves databases
  • Support and maintain databases within a variety of reserve evaluation software such as ARIES and ComboCurve
  • Utilize GIS tools to perform spatial data analysis and visualization & assist in integrating GIS data with the reserves database to enhance data analysis capabilities
  • Assist in marketing and data room presentation creation not limited to PowerPoint, mapping and
Required capabilities, and skills
  • Experience in database management of oil and gas assets across lower 48 conventional and unconventional play types
  • Strong understanding of commonly used reserve evaluation programs such as ARIES, PHDwin, ComboCurve
  • Experience with fundamental reservoir engineering analysis
  • Working knowledge of energy related public data providers such as Enverus and WoodMac
  • Working knowledge of geo-spatial software programs such as ArcGIS or QGis
  • Assist with the development of marketing materials and execution of mandates
  • Assist with the preparation of data room presentations
  • Consistently be a team player and can work alongside motivated colleagues that express a willingness to be successful and are driven to win
Required qualifications
  • Experience conducting A&D evaluations
  • Lower 48 un-conventional reservoir evaluation experience is preferred
  • Deep level of economic understanding of development field economics using reserve economic programs
  • Undergraduate degree in Engineering or technical certificate preferred
#J-18808-Ljbffr

What JPMorgan Chase & Co. employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom