Site Reliability Engineer – System & Network

Strength. Care. Growth


A1 Competence Delivery Center is a vital component of A1's telecommunications business. Acting as an expertise hub, CDC is dedicated in delivering full range of high-quality IT, network, financial and HR to support A1's operations across all OpCos, independent of location.

Using the power of A1 Group and leveraging bynergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’, paired with job stability.
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You will know we are the right place for you, if you are driven by:

Opportunities to learn and build your career;
Meaningful work in a stable and fast-paced company;
Diversity of people, projects, and platforms;
A supportive, fun, and inspiring place to work.

Would you like to join us?

Your daily routine would include:

Design and maintain Exoscale’s base operating systems and hypervisor fleets including their network stacks and security filtering layers;
Contribute to the routing & security automation systems implementations;
Help shape our image strategy, from bare metal to Virtual Machines;
Maintain the system container runtimes;
Improve our provisioning and deployment systems;
Help improve bare metal and hypervisor systems performance;
Contribute to the overall design and the architecture of the Exoscale platform systems;
Contribute to internal tooling development;
Improve our systems and processes to be scalable and highly available, helping achieve outstanding SLAs;
Participate in code & changes reviews;
Take part in the on-call roll after a training period.

We’ll know you can make it if you:

Have a solid experience with Linux, its kernel and Systemd;
Are familiar with KVM virtualization;
Are familiar with network routing and transport / encapsulation protocols: BGP, VXLAN and EVPN;
Are at ease with routing daemons like FRR and Bird;
Have a good knowledge of Linux filtering with iptables and nftables;Have a good knowledge of container runtimes;
Have a good experience with Golang, Python;
Are familiar with server hardware;
Have experience with configuration management solutions and large scale infrastructure;
Love to automate anything that could be;
Are curious, autonomous and embrace learning new things everyday;
Are team players and are comfortable working in a distributed team;
Have good English communication skills, written and spoken.

Our gratitude for the job done will be eternal, but we’ll also offer you:

Innovative technologies and platforms to “play” with;
Modern working environment for your comfort;
Friendly, ambitious, and motivated teammates to support each other;
Thousands of online and in-person learning opportunities to grow;
Challenging assignments and career development opportunities in multinational environment;
Attractive remuneration package;
Flexible working schedule and opportunity for home office;
Numerous additional goodies, including, but not limited to free A1 services, discounts, health insurance and services, sports center, childcare, team and family events, etc.


Not sure yet? See us in action in our A1 Blog.