At Critical Software, our people are our superpower. We’re a community of curious minds and tech wizards, pushing the boundaries of what’s possible. More than just a workplace, we’re a tight-knit team with a shared mission—using technology to make the world safer, smarter, and better. We work with industry giants in Aerospace, Rail, Medical, Energy, Finance, and more, tackling real-world challenges with cutting-edge solutions. Now, we’re on the lookout for our next Junior Test Engineer—could it be you?
We are looking for a motivated Junior Test Engineer to join our team and contribute to the development and testing of cutting-edge solutions in the energy domain. This is an excellent opportunity for someone passionate about automation, scripting, and quality assurance to grow their career in a dynamic environment.
Key Responsibilities:
- Design, develop, and execute automated test scripts using RobotFramework.
- Perform functional and integration testing for software components.
- Collaborate with developers and QA teams to identify and resolve issues.
- Maintain and enhance test environments on Linux systems.
- Document test results and provide clear feedback to stakeholders.
- Support continuous improvement of testing processes and tools.
Must-Have Skills:
- Hands-on experience with RobotFramework for automated testing.
- Proficiency in Python scripting for test automation.
- Strong knowledge of Linux operating systems and command-line tools.
Desired Skills (Nice to Have):
- Familiarity with GBCS (Great Britain Companion Specification).
- Understanding of DLMS (Device Language Message Specification).
- Knowledge of SMETS2 smart metering standards
What You Can Expect from Us:
💡 Endless growth—challenging projects that stretch your skills
🌍 Real impact—help shape critical industries and improve millions of lives
❤️ A supportive, people-first culture—because work should be awesome
🎉 Perks that matter—flexible work policies, well-being benefits & modern offices that feel like home
🏆 A chance to make a difference—join social initiatives and be part of something bigger
If you're ready to kick-start your career in a dynamic, purpose-driven environment, we’d love to hear from you!
Unfortunately we can not offer visa sponsorship for this role.
Critical Software is proud to be a Benefit Corporation. A Benefit Corporation differs from a standard corporation (C-Corporation): It is a for-profit business entity, legally defined in the US and other jurisdictions, whose legally defined goals include the positive impact on society, workers, the community and the environment, in addition to profit.
We are an equal opportunity workplace and committed to allow candidates with disabilities or neurodevelopmental conditions to prove their competencies to their full potential. We are willing to move the barriers that may prevent you from demonstrating that you are the right candidate for this role, so please let us know if you need some adjustment in your recruitment process.
Top Skills
What We Do
At Critical Software, we believe our people are the core of who we are. Their talent, diversity, and ability to go beyond expectations shape everything we do.
Working at Critical is about being part of a community built on purpose, values, and collaboration. Our commitment to engineering excellence makes us a trusted partner for some of the world’s leading companies in Aerospace, Railway, Medical Systems, Energy, Finance, and many more.
We believe that technology is nothing without a passion to use it for good. That’s why we engineer change, helping to build a better and safer world through trusted and transformative technologies.
Since 1998, we’ve helped companies in global industries like aerospace, transport, energy, healthcare and finance. Across the world, people and organisations depend on what we do. And we like that. Because it means that technology isn’t just our business. It’s our chance to help change the world.
More than a company, we are a community. Our togetherness, culture and values are the foundations of who we are and what we do. We are proud to hold Benefit Corporation status, reflecting our commitment to sustainability, transparency, and business for good. We’re also one of only a few tech companies in the world to have both our waterfall and agile software development processes rated at CMMI® Level 5.
Just as important as our technical expertise is our strong company culture, which guides us in everything we do. We’re recruiting for all of our locations right now and, if you’d like to find out more, please take a look at the careers section of our website.







