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System&Application Ops. Snr. Expert-Linux

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Vodafone

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Location:
Türkiye , İstanbul

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

We are seeking a skilled Linux Senior Expert to manage and maintain our Linux system and server network. In this role, you will be responsible for installing or upgrading Linux systems and servers, managing user access to servers, and automating processes to ensure operation security and stability.

Job Responsibility:

  • Linux server installation and upgrades
  • securely managing user access
  • ensuring network security and operational stability
  • implementing automation processes
  • crisis management and managing all operational processes
  • Improving Linux operational processes and enhancing service quality
  • Improving processes and existing work with new technologies and developing infrastructure
  • Creating, updating and disseminating procedure, activity and service documents, and preparing documents to eliminate the root of crises with the knowledge and experience gained regarding incidents, crises and studies in customer operations
  • Implements necessary security measures and ensures compliance with industry standards and regulations
  • Responsibility for solving Incident and Request which includes Linux OS system structures
  • Simplify existing platforms architecture and remove legacy platforms by creating new design and migration procedures
  • Managing partner ecosystem to deliver datacenter /application migration or management process
  • Designing, planning, executing technology refresh & consolidation tasks and supporting a mixed environment of Linux system
  • Performs troubleshooting, incident and error handling for systems
  • Implementing change management processes and user requests on systems
  • Evaluation of new versions, patches, firmwares and security patches. Implementing upgrades and security patches regularly
  • Implementing security policies on servers according to the best practices and company procedures
  • Communicate with customers as required: keeping them informed of incident progress and notifying them of impending changes or agreed outages
  • Executing and tracking common operations related an operating system like Program execution, I/O operations, File System manipulation, Communication, Error Detection, resource Allocation, Protection
  • Perform installation, management, maintenance, and update operations for various applications running on the Linux operating system
  • Planning training to contribute to team development and increase competencies. Expanding operational competencies and integrating them into general operational processes

Requirements:

  • University Degree with Electronic, Computer, Telecommunication or Mathematics Engineering
  • Minimum 8 years experience of Linux-Based system management
  • Experience of Linux Based systems like Redhat, Oracle Linux, Centos, Ubuntu, Debian, Suse Linux Enterprise
  • Experience of services and roles of Linux Server like Apache, NGNIX, DNS, DHCP etc
  • Experience working in a large, enterprise environment with 1000+ of servers
  • Must have excellent working experience with problem solving, troubleshooting and analysis
  • Must have excellent working experience administering Linux Server Operating System
  • Must have good knowledge of scripting languages like PHP, Python, Perl, Bash Script, Ruby etc
  • Must have good knowledge of Center Management systems like Redhat Satellite, Ansible
  • Must have good knowledge of VMWare Virtualization , Storage, SAN, Network and KVM
  • Proficient in English with strong interpersonal and analytical skills
  • Able to translate business and technical requirements
  • Military service completed where applicable ( male candidates )
  • Team player who performs well under pressure
  • Red Hat certifications preferred

Nice to have:

  • Nice to have of Container vs Kubernetes management
  • Deep understanding of cloud technologies IaaS – PaaS - SaaS – Multi Cloud – Hybrid Cloud
What we offer:
  • Vflexy: Flexible Benefits Program
  • Hybrid working kit
  • Ergonomic kit allowance
  • Digital meal voucher
  • Flexible transportation allowance
  • Employee assistance hotline & counselling
  • Comprehensive and flexible private health insurance
  • Discounted price deals for wide range of products & services

Additional Information:

Job Posted:
January 21, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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