Building better and safer isn’t a slogan, but the way we show up in the world.
It’s how we make sure technology speaks not only in code, but with meaning: better technologies, better ways of working, and more inclusive communities.
We align with what matters for people and for the planet, actively nurturing it to be better and safer.
At the centre, it’s our people who power everything we do. It’s their talent, drive and different ways of thinking that keep us moving forward, pushing the limits of what’s possible.
Which brings us to you, the person with:
- 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.
What makes you a good candidate for this role?
- 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.
Critical Software provides:
- 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.
Every day we embrace new missions across industries as diverse as aerospace, space, defence, transport, telecoms, government, energy, finance and healthcare.
Now, the real question is: are you ready to join us and help make the world a better and safer place?
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.
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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.
