The future of rail isn’t just about movement, it’s about intelligence, security, and connection. We unite rail expertise with digital innovation to create smarter, safer, and more sustainable transportation solutions. Technology here speaks with purpose: accelerating digitalization, embedding cybersecurity, and shaping the next era of rail.
Behind every breakthrough are people, their talent, creativity, and drive to push boundaries. Together, we’re building confidence, resilience, and a new standard for connected mobility powered by innovation.
This position is for Stadler Digital Labs, a joint venture between Stadler Rail and Critical Software serving as the digital competence center for the Stadler Group.
Check-out the website: https://stadlerdigitallabs.com
Now, we’re looking for a talented DevSecOps Engineer to join our team. Sound like you? Then it’s time to challenge your limits. It’s time to power up your career.
Key Responsibilities:
- Ability to work in a DevOps team with other DevOps Engineers
- Capacity to work collaboratively with software development teams
- Aptness to create and maintain tools for deployment, monitoring and operations
- Ability to Work in automation of processes and daily routines
- Experience with configuration management environment and infrastructure using an “infrastructure as code” approach
- Capacity to automate and manage infrastructure in the cloud using both IaaS and PaaS approaches
- Facility to work with development, operations, testing and others to identify and solve bottlenecks in the path to production.
Which brings us to you, the person with:
- BS in Computer Science or similar degree or the equivalent number of years of experience
- Proficiency with Linux system configuration and administration
- Experience with creating, configuring and managing Kubernetes clusters and workloads, including the use of tools such as Helm and Kustomize
- Experience with Terraform and public cloud providers (Azure is preferred)
- Solid experience with writing scripts (Python, Ruby, Bash, GoLang, and/or others)
- Strong knowledge of monitoring and logging procedures, including standard protocols, tools and patterns such as Open Telemetry, Grafana, Loki, Thanos/Prometheus, and/or others.
- Experience with CI/CD pipelines, and tools such as Jenkins, GitHub Actions, Gitlab Pipelines, ArgoCD or Flux
- Experience with certificate issuing and management, including PKI and ACME
- Strong focus on reliability (SRE), with experience in maintaining RTO and RPO strategies, auto-scaling policies and performance monitoring
- Good understanding of the full compute stack – software, storage, networking, OS, virtualization, configuration management, provisioning
- Competent with version control systems, web service APIs and open-source configuration management systems
- Working knowledge of fundamental Internet protocols (e.g, TCP/IP, HTTP, DNS)
- Motivated to work as part of a team, where trust and collaboration is essential
- Excellent interpersonal and communication skills in Portuguese and in English. .
- Demonstrates awareness of AI trends (including agentic AI), with curiosity and motivation to explore how they can enhance products, processes, or ways of working.
- Shows a learning mindset toward emerging technologies and an openness to experiment, adapt, and continuously upskill in an AI‑enabled environment
What we provide:
- Work that fits your life, not the other way around
- Offices designed to make you feel like you belong
- A team that knows how to work hard, but also how to have fun
- Pay that makes you feel valued, plus performance-based rewards
- Your growth is our priority: training, support, and opportunities!
Plus, Perks with Purpose:
- Private Health Insurance
Because your health and peace of mind matters. - Employee Assistance Programme
Confidential support for you and your household from mental health to legal or financial advice, we're here for whatever life throws your way. - Home Office Support
Get what you need to work comfortably from home, without turning your living room into an ergonomic nightmare. - Extra Holidays
The longer you’re with us, the more you get. Two extra days after your first year, and more as time goes on. - Extra Parental Leave
Two additional months of fully paid leave for both parents — whether you're welcoming a child by birth or adoption. - Flex-time
We don’t clock-watch. Work when it makes sense for you, as long as it works for your team and goals. - Gradual Return to Work Support
Returning after a long break? We’ll help you ease back in with a plan that fits your pace and needs. - Away From Keyboard - Sabbatical programme
Long-term employees can take time off to explore new ideas, projects or experiences and come back with fresh eyes and stories to tell.
Skills Required
- BS in Computer Science or equivalent experience
- Proficiency with Linux system configuration and administration
- Experience with creating, configuring and managing Kubernetes clusters and workloads
- Experience with Terraform and public cloud providers (Azure preferred)
- Solid experience with writing scripts in Python, Ruby, Bash, GoLang
- Experience with CI/CD pipelines and tools like Jenkins or GitHub Actions
- Strong focus on reliability, with experience in maintaining RTO and RPO strategies
- Good understanding of the full compute stack (software, storage, networking)
- Excellent interpersonal and communication skills in Portuguese and English
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.
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