SII UK is seeking a SOFTWARE AUTOMATION TEST ENGINEER to join our growing engineering team developing advanced validation frameworks for connected devices and intelligent digital products.
Working within a Python-based environment, you will design and build robust end-to-end automation frameworks that interact directly with physical hardware, enabling large-scale validation and quality assurance across device fleets. The role combines software engineering, test automation, infrastructure development, and systems integration, providing an opportunity to work on complex real-world products in a highly collaborative engineering environment.
The successful candidate will have strong Python development expertise and experience building automation solutions for hardware, embedded, or IoT-based systems.
Key Responsibilities
- Design, develop, and maintain end-to-end test automation frameworks using Python.
- Create automation solutions that interact with and validate physical devices and hardware platforms.
- Build reusable device abstraction layers, automation libraries, and testing utilities.
- Develop scalable testbed infrastructure supporting automated execution across large device fleets.
- Design and implement frameworks that support reliable and repeatable validation in laboratory and production environments.
- Build and maintain APIs, web services, microservices, SDKs, and supporting backend services.
- Develop monitoring, reporting, logging, and diagnostic capabilities within automation platforms.
- Apply software engineering best practices including code quality standards, design patterns, modular architecture, and automated testing.
- Collaborate closely with global engineering, software development, and quality teams.
- Troubleshoot hardware, software, and automation issues across multiple environments.
- Support continuous improvement initiatives for automation efficiency, scalability, and reliability.
- Contribute to technical design reviews, architecture discussions, and process improvements.
- Share knowledge and mentor team members to support engineering excellence.
- Produce clear technical documentation and communicate effectively with stakeholders.
Skills Required
- Strong Python software development skills.
- Experience designing and developing automated test frameworks.
- Knowledge of hardware integration and device communication protocols.
- Experience testing physical products, embedded systems, or IoT devices.
- Strong understanding of software architecture, object-oriented design, and design patterns.
- Experience with RESTful APIs, web services, and backend system integration.
- Knowledge of automation infrastructure, test orchestration, and execution platforms.
- Experience using source control systems such as Git.
- Understanding of continuous integration and continuous delivery (CI/CD) practices.
- Experience debugging complex hardware and software interactions.
- Knowledge of Linux-based development and testing environments.
- Experience with IoT device ecosystems and connected products.
- Knowledge of networking concepts including TCP/IP, Wi-Fi, Bluetooth, and device provisioning.
- Experience with embedded software validation and hardware-in-the-loop testing.
- Familiarity with cloud platforms and distributed systems.
- Experience developing automation for camera, sensor, consumer electronics, or smart device platforms.
- Exposure to AI-assisted testing, machine learning validation, or Generative AI technologies.
- Experience with containerisation technologies such as Docker and Kubernetes.
Experience Required
- Bachelor’s degree in Computer Science, Software Engineering, Electronics Engineering, or a related technical discipline, or equivalent industry experience.
- Commercial experience in software development using Python.
- Proven experience building and maintaining automated testing frameworks.
- Experience developing automation against physical hardware, embedded systems, or IoT devices.
- Experience delivering production-quality software solutions following software engineering best practices.Experience working with hardware test environments, laboratories, or device validation systems.
- Experience integrating automation solutions into CI/CD pipelines.
- Familiarity with Agile software development methodologies.
- Experience collaborating within cross-functional engineering teams.
With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high-impact engineering solutions.
SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission-critical programmes while helping to shape the future of innovation across next-generation systems and technologies.
Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.
True to our human-centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running.
Joining SII UK means being part of our collective goals, guided by our mission “Let’s Tech Together,” and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.
Who are we?
With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high-impact engineering solutions.
SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission-critical programmes while helping to shape the future of innovation across next-generation systems and technologies.
Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.
True to our human-centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running.
Joining SII UK means being part of our collective goals, guided by our mission “Let’s Tech Together,” and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.
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