Junior QA Engineer

Position Overview

We are looking for a Junior QA Engineer to ensure the quality, reliability, accuracy, and performance of advanced reservoir simulation software. You will work closely with software developers and reservoir engineers to validate scientific applications through automated and manual testing, CI/CD integration, performance analysis, and continuous quality improvement.

• Please note - this is an in office position located in Calgary

Key Responsibilities

• Design, develop, execute, and maintain automated and manual test suites for scientific applications
• Create functional, integration, regression, and performance tests
• Develop and maintain reusable test automation frameworks, utilities, and test data
• Review requirements and user stories to ensure test coverage and identify risks
• Prepare test plans, test cases, traceability documentation, and release reports
• Test applications across Windows, Linux, and HPC environments, including MPI/OpenMP workloads
• Perform performance, scalability, stress, and regression testing while identifying memory, concurrency, and numerical issues
• Monitor CI/CD pipelines, investigate build and test failures, and collaborate with developers on root-cause analysis
• Track defects and quality metrics using Azure DevOps and promote QA best practices throughout the SDLC

Education & Experience

• Bachelor's degree in Computer Science, Software Engineering, Engineering, Applied Mathematics, or a related field (or equivalent experience)
• Experience in software QA, test automation, or software development
• Strong understanding of software testing methodologies
• Experience designing automated test solutions and investigating software defects

Technical Skills

• Experience testing scientific applications
• Proficiency in Python for automation, scripting, and data validation
• Experience with pytest, CTest, or similar testing frameworks
• Experience testing REST APIs
• Working knowledge of Git, Azure DevOps CI/CD (YAML), Docker, CMake/Make, Windows, Linux, Bash, and PowerShell
• Experience with test reporting, code coverage, and quality analysis tools
• Strong debugging, troubleshooting, and root-cause analysis skills

Professional Skills

• Strong analytical skills and attention to detail
• Excellent written and verbal communication
• Ability to work independently while collaborating within cross-functional teams
• Commitment to continuous learning and process improvement

Preferred Qualifications

• Programming experience in C++, C#, or Fortran
• Knowledge of reservoir simulation, numerical methods, subsurface engineering, or the energy industry
• Experience with MPI, OpenMP, HPC schedulers (Slurm/PBS/LSF), and numerical validation
• Familiarity with debugging and diagnostic tools (e.g., Valgrind, AddressSanitizer, ThreadSanitizer, GDB, Visual Studio Debugger)
• Experience with QA dashboards, Power BI, or AI-assisted testing and quality automation

CMG Compensation and Benefits Overview - Canada

CMG’s total rewards program includes

• A competitive salary
• A performance-based bonus program
• Learning and development opportunities
• RRSP contributions
• Top of the line medical and dental benefits including a health spending account
• 20 days of vacation per year plus flex days
• Choice of transit pass or underground parking (Calgary)
• Car wash (Calgary)
• Cafeteria and complimentary barista style coffee and more (Calgary)

No need to call us about the status of your application. We promise—we’re reviewing every submission, and if your skills are a match, you’ll hear from us!

We kindly request that external recruiters and agencies refrain from submitting unsolicited resumes or candidate profiles. Submissions without a signed agreement in place will not be considered and will become the property of CMG.