Linux Platform Engineer (m/f/d) ) @ A1 Competence Delivery Center

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Strength. Care. Growth A1 Competence Delivery Center is a vital component of A1's telecommunications business. Acting as an expertise hub, CDC is dedicated to delivering a full range of high-quality IT, network, financial and other services to support A1's operations across all OpCos, independent of location. Using the power of being OneGroup and leveraging synergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities' enhancement, paired with job stability. 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. Job Purpose : The Linux Platform Engineer is responsible for the operation, security, and lifecycle management of the company's DNS infrastructure. The role covers Infrastructure, OS and service management of authoritative DNS, recursive resolver platforms (fixed and mobile), internal DNS systems, and DNS-based security services within a business-critical, high-availability environment. Role insights: Ensure availability, stability, and performance of authoritative and recursive DNS platforms. Manage Infrastructure and OS lifecycle and execute EOL upgrades and platform migrations. Support DNS security services (malware and phishing protection). Maintain automation and standardized deployments (Salt). Operate and optimize Anycast/BGP-based distributed architectures. Contribute to continuous improvement, documentation, and compliance requirements. Collaborate with the Network, Platforms, Vendors and customer faced teams. What makes you unique: Linux administration skills (RHEL/CentOS/Oracle Linux). Knowledge in DNS (Authoritative, Recursive, Bind, PowerDNS, Anycast). Knowledge with infrastructure automation (preferably Salt). Structured and solution-oriented working approach. Our gratitude for the job done will be eternal, but we'll also offer you: Innovative technologies and platforms to work 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. If you have any questions, please do not hesitate t o contact Mariya Ivanova.

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Company Intel

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