Senior QA Automation Engineer

About Sensia

We bring together the best of the best: the pioneering process automation, real-time control and IoT technologies of Rockwell Automation, combined with the unmatched measurement and instrument, software and analytics capabilities of Schlumberger.  Sensia is further strengthened by the oil and gas domain expertise and artificial lift experience shared by Rockwell Automation and Schlumberger. The result is Sensia – the leading automation specialist in oil and gas production, transportation and processing with a team of more than 1,000 experts serving customers globally in more than 80 countries. As the first fully integrated oilfield automation solutions provider, Sensia makes the production, transportation and processing of oil and gas simpler, safer, more secure, more productive and better understood from end to end. Now every oil and gas company can experience the advantages of industrial-scale digitalization and seamless automation, enabling each asset to operate more productively and more profitably.

We are also looking for the best of the best to join our team. If you have top-tier talent with a collaborative mindset, exceptional problem-solving skills, and the ability to generate innovative, out-of-the-box solutions. We would love to have you join our team

Job Description

We are seeking a Senior QA Automation Engineer to develop automated QA testing for mission-critical and .NET applications running on resource-constrained IoT edge devices and cloud containers. This role focuses on ensuring robust field device data acquisition through various industrial protocols, maintain reliable edge to cloud communication under challenging unstable network conditions through comprehensive automated QA test suites. 

You will maintain and extend automation frameworks for a legacy codebase, a Nuxt-based configuration UI, and a new .NET-based new generation of applications. Your work will help ensure feature parity, system stability, and high confidence in global deployments across industrial environments. Join us to shape the future of industrial edge computing and make a real impact in global infrastructure. 

Roles and Responsibilities 

• Contribute to overall test strategy and planning, aligning with product goals and release timelines. 

• Evaluate and recommend testing frameworks and tools to improve automation efficiency and coverage for new generation of applications. 

• Collaborate closely with developers to ensure testability of new features and maintain high product quality. 

• Maintain and extend automated test coverage for a large legacy JavaScript/TypeScript codebase targeting IoT Edge embedded Linux devices and cloud containers. 

• Integrate automated tests into the continuous integration and delivery (CI/CD) pipelines 

• Set up and manage test environments to accurately represent the production environment 

• Troubleshoot and reproduce observed bugs as they arise from the globally deployed population of devices and users 

• Stabilize legacy Javascript/TypeScript product quality, add & perform characterization tests where needed 

• Support the transition to a new .NET-based application by ensuring feature parity and consistent behavior through automated regression testing. 

• Define and track quality assurance test metrics and report outcomes. Update test cases in requirement tracking tools for traceability. 

• Write and maintain detailed test documentation, including test plans, test cases, and test scripts explanation.  

• Maintain, extend and optimize automation test suite for Nuxt web UI admin screens for configuration, monitoring, and diagnostics; optimize rendering and bundle size for lowpower devices. 

• Validate UI performance and rendering efficiency on resource-constrained edge devices. 

• Use knowledge of TCP/IP networking to simulate, test, and troubleshoot issues that arise from high-latency, small-MTU, high-packet-loss metered networks 

• Maintain automated tests to validate Modbus RTU/TCP communications and ensure stability under high-latency, low-bandwidth, and high-packet-loss network conditions. 

• Maintain automated tests for legacy communication interfaces (e.g., OSISoft/Aveva PI, KepServerEX) 

• Support and validate device health/status code that collects device temperature, signal strength, memory and CPU usage, modem and network status, docker stats, etc. 

• Testing with real hardware and physical devices 

• Consider and support security best-practices; least privilege, secret handling, signed artifacts 

• Analyze and validate implementation for unplanned power loss and degraded communication links, targeting graceful recovery and minimal data loss 

Qualifications and Education Requirements 

• BS degree in Computer Science, Computer Engineering, or related field. 

• 5 years' experience as QA working with ;  

• 2 years' experience performing QA role for command-line applications/services  

• 2 years' experience using automated testing suites/frameworks 

• Experience testing software on embedded Linux or industrial edge devices. 

• Familiarity with integrating automated tests into CI/CD pipelines. 

• Experience documenting test plans and maintaining traceability in requirement tracking tools. 

Key Competencies 

• Excellent troubleshooting and problem-solving skills  

• Proven ability to work independently and collaboratively 

• Ability to contribute to test strategy and planning aligned with product goals and release cycles 

• Excellent communication skills, both written and verbal: 

• Strong English proficiency and the ability to clearly communicate and understand abstract concepts 

• Ability to effectively interact with team members and stakeholders.  

• Ability to work collaboratively in cross-functional teams and contribute to problem-solving processes. 

• Advanced experience in developing and maintaining test automation frameworks and scripts using industry-standard tools and libraries. Ability to write efficient, scalable, and maintainable code for automated tests. 

• Experience with testing and troubleshooting software on real hardware devices, including serial and networking functionalities 

• Passionate about troubleshooting and debugging issues 

• Deep experience with common test frameworks and proficiency in Python, JavaScript, C# for test automation. 

• Strong TCP/IP networking knowledge, can provide examples of working with high-latency networks, small MTUs, packet loss, and metered networks 

• Proficiency in test management and bug tracking tools. Understanding of test case management, test execution tracking, and defect lifecycle processes. 

• Experience in testing distributed applications and their interactions across microservices architecture. 

• Experience with build process automation, CI/CD pipelines and tools such as Jenkins, Artifactory, and Bitbucket. 

• Understanding of security testing principles, including validation of secret handling, access control, and artifact integrity. 

• Experience designing and executing regression and performance tests for resource-constrained edge devices. 

Preferred Skills 

• Strong Modbus RTU/TCP expertise; serial bus troubleshooting (RS485/RS232) 

• Experience with IoT device testing and validation, including hardware, firmware, and software components. Developed automated test cases/scripts based on requirements or acceptance criteria. 

• Experience working with Agile toolsets and technologies such as Jira, Confluence, and Bitbucket. 

• Ability to independently deploy and install cloud-native microservices on platforms. 

• Familiarity with industry IoT standards and protocol such as MQTT/SparkplugB, ZeroMQ, ProtoBuf, Kafka, and HTTP 

• Strong experience of Linux, Bash, Shell scripting, Docker, TCP/IP Networking, Kubernetes, and excellent debugging skills 

• Familiarity with cellular networking on Linux: handson with mmcli (modem state, APN/profile, SIM/PIN ops) and nmcli (connections, metrics, metered profiles, link selection). (Internal playbooks reference nmcli for link testing.)  

• Understanding of secure software development practices in industrial or embedded environments, including artifact signing and vulnerability remediation. 

• 3+ years working with Docker or other containerization technologies 

• CI/CD & Release: multiOS runners, artifact signing, SBOMs/vuln scanning 

• Proficiency in JavaScript/TypeScript and .NET