Commissioning Engineer

Job Requirements

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

Key Responsibilities

6–10+ years of experience in software testing / QA engineering, preferably in industrial communication or embedded systems domains.

• Strong experience in protocol testing, validation, and system integration testing.
• Hands-on experience validating industrial communication protocols, including:
• DNP3 o SNMP o IEC 61850 o Modbus
• Experience in testing and validating communication and file transfer protocols, including:
• FTP o FTPS o SFTP o TFTP o HTTP o ASCII-based protocols o YMODEM o XMODEM
• Strong experience in network testing, packet analysis, and protocol validation using tools such as:
• Wireshark o tcpdump o Other network analyzers
• Hands-on experience with Docker for test environment setup, deployment validation, and container-based testing.
• Ability to interpret vendor manuals and technical documentation to design test cases and validate device behavior.
• Strong analytical, debugging, and problem-solving skills.
• Excellent communication skills and ability to work in cross-functional Agile teams.
  
  

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace.

Work Experience

Required Skills and Experience

Essential Responsibilities

• Design, develop, and execute manual automated test cases for C# / C++-based communication systems.
• Validate and test industrial communication protocol stacks and device integration solutions.
• Perform functional, integration, system, regression, and protocol compliance testing.
• Analyze system and customer requirements to derive test scenarios and acceptance criteria.
• Perform protocol-level debugging, packet analysis, and root cause analysis of communication issues.
• Validate interoperability between industrial devices, embedded systems, and software applications.
• Test and verify file transfer and network communication protocols under different conditions (load, failure, latency, etc.).
• Work with development teams to identify, log, and track defects using standard defect management tools.
• Conduct ODBC/database testing, including connectivity, query validation, and data integrity checks.
• Interpret vendor documentation to design device validation test plans.
• Collaborate with QA, development, product management, and customers to ensure high-quality software delivery.
• Participate in test planning, reviews, and Agile ceremonies.
• Ensure quality through automation, continuous testing, and CI/CD integration.
• Contribute to improving test processes, frameworks, and automation coverage.
• Ensure systems meet performance, scalability, reliability, and compliance requirements. Good to Have
• Knowledge of TypeScript/JavaScript-based test automation frameworks.
• Experience with SCADA systems, industrial automation, or power systems testing.
• Familiarity with performance testing and load testing tools. Exposure to industrial automation, SCADA, power systems, or embedded communication software is an added advantage.