Reservoir Simulation Engineer

People are our most valuable asset.

As part of the growing customer success & consulting team, the successful candidate will play an active role in delivering high quality consulting, support and training services to end users and customers of CMG in a global setting.

CMG is a worldwide leader in its field, thanks to its great staff who consistently deliver superior technology and unparalleled customer service. With approximately 200 employees in nine countries serving over 600 customers worldwide, CMG fosters a small-company culture in an organization with global presence.

Key Responsibilities

A key requirement for the successful candidate is:

  • A good working knowledge of reservoir simulation software e.g. CMG’s IMEX, GEM, or STARS; Eclipse; or other similar products.

The successful candidate will:

  • Become very proficient with CMG’s software suite, including new CMG technology such as Coflow
  • Play an active role in supporting CMG clients who use the software for a variety of challenging and leading-edge petroleum reservoir recovery processes
  • Teach basic reservoir simulation training courses to CMG clients.
  • Become part of an international consulting team and work on conventional, unconventional, thermal, chemical, compositional and energy transition reservoir studies as well as production system modelling
  • Assist, work and learn from senior reservoir engineers on consulting reservoir simulation studies
  • Become familiar with oil and gas recovery processes with emphasis on integrated production systems modeling.
  • Develop knowledge and expertise in emerging energy transition topics such as subsurface and wellbore modelling of CCS/CO2 Sequestration, geothermal, hydrogen storage, etc.

The above statements are intended only to describe the general nature of the job and should not be construed as an all-inclusive list of position responsibilities.

Knowledge, Skills & Experience

An Undergraduate or a Master’s/PhD degree in Petroleum, Chemical, or Energy Engineering, or related degree.

Knowledge & Skills

  • This is a technical role that will require a good understanding of production and reservoir engineering concepts, enhanced recovery methods and simulation concepts.
  • Excellent technical and communication skills and a collaborative approach towards clients and colleagues.
  • Excellent analytical, troubleshooting and problem-solving skills.
  • Self-motivated, results focused team player with a positive attitude and ability to multi-task in a dynamic work environment.
  • Basic level programming skills in python, and visual basic preferred.
  • Ability to clearly advise clients on technical matters.
  • Excellent public speaking and presentation skills.
  • Require minimal supervision and have very good time management.
  • Communication skills both in written and verbal Portuguese and English. Spanish language skills are an asset.
  • Familiarity with state-of-the-art engineering software.
  • Hands-on experience with CMG simulation software or any other reservoir simulator is an asset.
  • Working knowledge of production engineering software e.g. Hysys; Prosper; GAP; Pipesim; or other similar products is an asset.
  • Working proficiency of company standard MS Windows and associated office productivity software tools (Word, Excel, PowerPoint).
  • Be customer focused, learn about the business to help bring value to our customers
  • Team focused with a positive attitude, must be self-motivated, and have very good time management and communication skills both in written and verbal English.


  • Minimum of 3-5 years of experience recommended.
  • Experience in advanced processes such as Enhanced Oil Recovery (EOR) or emerging energy transition processes (CCS, geothermal) is an asset.

Special Requirements
All applicants must be legally entitled to live and work in Brazil.

Apply Now

If you have the necessary qualifications, and are interested in a challenging career with us, please forward your resume in confidence to

No phone calls please. We thank all applicants for their interest in advance. Only those chosen for interviews will be contacted.

CMG’s total rewards program includes:

  • A competitive salary
  • A performance-based bonus program
  • Learning and development opportunities
  • Generous medical and dental benefits
  • 20 days of vacation per year plus flex days
  • Quarterly wellness days