Senior Reservoir Engineer - Light Oil

Job summary

Analyze well and reservoir performance, develop type curves and production forecasts for drilling opportunities, and support waterflood surveillance and management. Collaborate with geology and geophysics teams to identify and rank development opportunities, assist with annual reserves, and communicate recommendations to development teams and senior leaders.

Job details

Company Overview A career at Obsidian Energy means working for a company with a dominant position in Alberta, where safety is valued, high performance matters and potential is realized. Continuous improvement is a cornerstone in Obsidian Energy’s evolving culture, and it is critical to our pursuit in becoming the company that redefines oil and gas excellence in western Canada. Obsidian Energy is becoming a performance leader in the areas in which we operate, and we continue to look for the people who see the opportunity before us – to be the best, to put us on top and keep us on top. The Role Senior Reservoir Engineer – Light Oil Employment: Full Time – Staff Position Department: Development Location: Calgary, Alberta Posting Close Date: October 30, 2026 Reports To: Director, Light Oil Development Obsidian Energy is seeking a Senior Reservoir Engineer to join our Light Oil Development team. We are looking for an experienced professional who has a strong understanding of reservoir engineering fundamentals, practical expertise, and experience managing multiple priorities in a fast-paced environment. The goal of our team is to deliver measurable economic value by improving asset performance. This role will contribute to the evaluation, development, and management of our light oil assets by analyzing well and reservoir performance, developing production forecasts for drilling opportunities, supporting waterflood management, and helping identify and execute new drilling inventory. This role offers the opportunity to apply your experience, influence investment decisions, and deliver measurable economic value. Responsibilities Duties include the following, but are not limited to: Use technical and statistical expertise to analyze well performance and apply the results to type-curve development and forecasting for inventory locations; Apply reservoir engineering fundamentals, including decline analysis, volumetrics, material balance, and reservoir analysis; Support waterflood surveillance and management, including voidage replacement ratio reviews, pattern performance assessment, and the identification of performance improvement opportunities; Work with other disciplines such as geology and geophysics to identify and rank reservoir exploitation opportunities; Assist with annual reserves; Prepare and communicate findings and recommendations to the development team and senior leaders; and Continually improve workflows, analytical methods, and understanding of the asset. Qualifications Bachelor’s degree in Petroleum, Chemical, Mechanical, or a related discipline Registered, or eligible for registration, as a Professional Engineer (P.Eng.) with APEGA Relevant reservoir engineering experience at a senior level; applicants with experience up to 25 years are welcome Strong understanding of reservoir engineering fundamentals and demonstrated ability to apply them to development decisions Experience with production-data analysis, decline-curve analysis, type-curve development, and waterflood surveillance Familiarity with GeoScout, ValNav, or similar technical and economic evaluation software will be considered an asset Exposure to light-oil development, horizontal wells, and hydraulically fractured reservoirs Strong analytical ability, attention to detail, and practical problem-solving skills Effective organizational, communication, and teamwork skills, with the ability to present technical recommendations to senior leaders Must be eligible to work in Canada Ability to work independently, manage competing priorities, and contribute practical ideas within a collaborative team What Makes Us Attractive Obsidian Energy is more than just a place to work - it’s a community of professionals who are truly committed to the continuous evolution of the company and have interest in its success. At Obsidian Energy, you will join a collaborative team of talented, hardworking people who share ideas openly and work toward common goals. We value practical solutions, fresh thinking, and a supportive environment where you can contribute and continue to grow. Our relatively flat, open organization gives you opportunities to present to senior leaders, influence investment decisions, and see the direct impact of your work on the bottom line. We value our employees and their commitment to the organization, and we recognize their contribution to our ongoing success. Some of the highlights of our competitive rewards program include: Retirement savings plan Attractive annual bonus plan Long term incentive plans Attractive personal time-off plan Comprehensive benefits package To apply for this position please send a resume to careers@obsidianenergy.com before October 30, 2026, with the job posting title in the subject line. We thank you for your interest in Obsidian Energy and this position: however, only candidates selected for an interview will be contacted.

What you’ll do

Analyze well and reservoir performance, develop type curves and production forecasts for drilling opportunities, and support waterflood surveillance and management. Collaborate with geology and geophysics teams to identify and rank development opportunities, assist with annual reserves, and communicate recommendations to development teams and senior leaders.

Requirements

A bachelor’s degree in petroleum, chemical, mechanical, or a related discipline is required, along with registration or eligibility for registration as a Professional Engineer with APEGA. The role calls for senior-level reservoir engineering experience, strong fundamentals, expertise in production and decline analysis, type-curve development and waterflood surveillance, and effective analytical, communication, and organizational skills.

Benefits

• Retirement Savings Plan
• Annual Bonus Plan
• Long-Term Incentive Plans
• Personal Time-Off Plan
• Comprehensive Benefits Package

Listed skills

• Cross-Functional Collaboration · Preferred
• Problem solving · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Reservoir Engineering
• Production Data Analysis
• Decline-Curve Analysis
• Type-Curve Development
• Production Forecasting
• Waterflood Surveillance
• Voidage Replacement Ratio Analysis
• Pattern Performance Assessment
• Volumetric Analysis
• Material Balance
• Reserves Evaluation
• Well Performance Analysis
• Technical and Economic Evaluation
• Cross-Functional Collaboration
• Technical Communication
• Problem-Solving

Job areas

• Engineering
• Energy
• Data & Analytics
• Science & Research

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