Senior Linux Engineer

Let’s shape the future of finance - together 

At Isabel, we believe that real innovation happens when people and ideas connect. 

That’s why we’re building more than technology, we’re building an ecosystem. 

One where every voice counts, and where your work can truly make a difference. 

We’re looking for curious minds and collaborative builders.

People who believe success means growing together, learning from each other, and challenging the status quo.

If that sounds like you, keep reading. 

What you’ll do 

We are currently looking for a Senior Linux Engineer to implement, maintain and support our Linux-based server environments using infrastructure-as-code and automation as the principal cornerstones. All these following standards and security best practices across our different environments.

At Isabel, a Linux Engineer should ensure systems are secure, stable, and compliant to internal and external regulatory requirements. Being a player in the financial landscape, security should always be top-of-mind while ensuring it does not hinder the agility required of a Fintech.

Your tasks will include: 

• As a Senior Linux Engineer, you ensure infrastructure delivery is automated and with proper follow-up implemented.

• Implement, maintain, and support configuration management and automation across our operational environments in close collaboration with other stakeholders.

• You are part of a team to implement and deliver requests for infrastructure improvements and participate in defining the optimal long-term solution for the request, considering the existing product portfolio.

• As a Senior Linux Engineer it is essential that you have an in-depth comprehension of the operational reality. Therefore, approximately half of your time will be spent on making sure the operational service is guaranteed. The other half of your time you will spend making the service more resilient and automating ‘the hell out of everything’.

• When implementing new infrastructure services and technologies, you will provide your objective evaluation and substantiate your arguments for supporting the new product or technology and this in close collaboration with the SREs and our internal security risk team. This to achieve a financial industry grade secured solution.

• You maintain security, backup, and redundancy strategies to ensure fast disaster recovery and restoration of service.

• You provide 2nd and 3rd level support.

What makes you a great fit 

You’ll thrive in this role if you: 

• You have a solid understanding of Linux operating system and hardware architectures and how to maintain them. Knowledge of and experience with Satellite is a plus.

• You like to automate repetitive tasks and are not afraid of writing code or plugins for those when needed.

• You have a good understanding of virtualization platforms (VMWare) and have some experience with Kubernetes or OpenShift.

• Problem solving skills and ability to work under pressure in a rapid paced, customer facing, 24/7 production environment are a must as are your troubleshooting and root cause analysis skills.

• You are at least fluent in English (EU C1). French/Dutch are a plus.

• Having experience with private and public cloud environments is a plus.

• You know what DevOps is about and are actively working together with development and operational teams to improve collaboration.

• 24/7 Operations/Duty experience.

Why join us

At Isabel, we offer more than a job, we offer a place to grow, contribute, and thrive. 

• A human-sized Belgian company (250 people) where your ideas and impact matter 

• 50% hybrid work, flexible hours, and autonomy to manage your time 

• Coaching, training, and tailored development paths for every career stage 

• A flat, collaborative structure with real ownership and cross-functional work 

• Competitive rewards: Flex Income Plan, annual bonus, insurance, meal vouchers 

• A strong engagement culture and inclusive mindset 

• Easy mobility options: our MOBI strategy supports flexible, low-footprint commuting, whether by bike, public transport, or electric car

• Professional gatherings that encourage collaboration and networking, as well as fun and purposeful activities led by our BeFun team

• A certified Top Employer with 30 years of tech leadership and ambition 

Ready to join us? 

Your voice, your vision, and your impact all have a place here. 

Let’s shape smarter solutions and a stronger digital economy. Together.