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A1 Bulgaria

Linux System Administrator


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    Tech Stack / Изисквания

    It’s your life.

    It’s your opportunity.


    Did you know that A1 Bulgaria is developing own AI projects and solutions?

    Our wide portfolio has long past the telecom services, and we are now offering digital solutions to millions of corporate, public, and private customers.

    State-of-the-art technology, the latest innovations, and extremely talented professionals in various areas help us deliver the best-in-class products, services, and customer experience.

    You’ll know A1 Bulgaria is 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?

    We are currently looking for a Linux System Administrator who can contribute with unique expertise and ideas and to help us continue growing and developing together as part of our IT Infrastructure Team based in Sofia.

    Your daily routine would include:

    • Support new and ongoing ICT projects by contributing to the design, sizing and specifications required for new builds, or changes to existing environments;
    • Perform ongoing operational maintenance on the company’s large scale and complex environment;
    • Proactively evaluate and improve the environment with a focus on Linux servers and services;
    • Maintain the life cycle of managed server systems ensuring storage provisioning, capacity planning and performance tuning;
    • Identify, analyze and solve problems in environment;
    • Ensure operational SLA targets and KPIs are met.

    We’ll know you can make it if you have:

    • Minimum 3+ years previous experience in a similar role;
    • Professional experience in OS installation, configuration and administration (preferably Linux distros like RHEL, SUSE, Ubuntu etc.) in virtualized environments and/or bare-metal;
    • Experience with Container and Orchestration Platforms like Red Hat OpenShift, Kubernetes;
    • Experience in installing, configuring, and maintaining services such as Bind, Postfix, Apache, Nginx, MySQL etc.;
    • Technical or IT Master’s degree;
    • Good written and verbal communication skills in English.

    What would grab our attention:

    • Experience with VMware or other virtualization technologies;
    • A passion for scripting and automation;
    • Familiarity with servers, blade chassis, storages, networking equipment, load balancers, firewalls, etc.;
    • Good knowledge of network tools such as iptables, HAProxy, load balancing, firewalls.

    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.

    Sounds good? Apply now!

    PS It’s all very real, we’ve got all kinds of awards as well to prove it.

    Deadline for applications: 15 December 2023

    Only shortlisted candidates will be contacted.