Linux System Administrator

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Job Description:

Job Description Romania Linux System Administrator

The Linux System Administrator is responsible for the day-to-day operations support and lifecycle management of Linux infrastructure across global environments. This role focuses on maintaining stable secure and scalable systems with a strong emphasis on the Red Hat ecosystem automation and High-Performance Computing (HPC) platforms.

The administrator will support infrastructure architecture implementation monitoring and continuous improvement of Linux systems ensuring high availability and operational efficiency. This is a hands-on technical role requiring a self-motivated individual who can work independently with minimal supervision while effectively collaborating with peers internal customers and leadership teams.

Key Responsibilities

• Manage and support daily operations of Linux servers across global data centers
• Perform system provisioning configuration patching and upgrades
• Install configure and maintain Linux servers (RHEL CentOS Ubuntu or similar distributions).
• Manage user accounts file systems permissions and security policies.
• Monitor system performance resource utilization and troubleshoot OS-level issues.
• Implement and maintain automation using Shell / Python scripting Configuration management tools like Ansible Puppet.
• Manage storage backup disaster recovery and system failover procedures.
• Maintain logs audit trails compliance documentation and change management records.
• Work with Network teams for deployment and infrastructure improvements.
• Provide L2 support root cause analysis and performance optimization for Linux environments.

Requirements/Qualifications:

Required Skills & Expertise

• Strong knowledge of Linux internals boot process file systems & networking concepts.
• Perform advanced troubleshooting and resolution of Linux OSrelated incidents including performance kernel boot storage and network issues.
• Hands-on experience in RHEL/CentOS/Ubuntu administration.
• Expertise in Shell scripting / Bash and automation tools (Ansible preferred).
• Experience with system monitoring tools like Nagios Grafana Zabbix.
• Strong understanding of TCP/IP DNS DHCP SSH Firewalls Load Balancers.
• Strong troubleshooting analytical and problem-solving skills.
• Experience with GitCI/CD and DevOps workflows is desirable.
• Ability to manage production outages troubleshoot performance issues and optimize infrastructure.
• Knowledge of system performance monitoring and optimization.
• Handle L2-level ServiceNow tickets including incident request and change management tasks.
• Familiarity with network infrastructure and security best practice.
• Support virtual desktop infrastructure (VDI) operations including provisioning reconfiguration and performance tuning.
• Maintain documentation of systems procedures and troubleshooting guidelines.
• Collaborate with L3 and architecture teams for environment improvements and automation initiatives.
• Bachelors degree in computer science or a related field is often preferred

Basic Hardware & Datacenter Activities:

• Server racking & stacking
• Hardware lifecycle tasks (RAID config BIOS/ILO/iDRAC config firmware update)
• Physical troubleshooting (disk replace memory replace Power supply replaces)
• Call logging with the OEM in case of any hardware failures.
• Datacenter Best Practices (Asset Tracking Warranty Tracking Power (PDUs) Cooling Cabling Standards)

Soft Skills

• Strong analytical and problem-solving skills.
• Good communication & documentation abilities.
• Ability to work independently and in a collaborative team
• Willingness to work in rotational shifts or On-Call support.
• Ability to prioritize and manage multiple tasks under pressure.
• Proactive attitude with a focus on continuous improvement.

Travel Time:

To all recruitment agencies: Microchip Technology Inc. does not accept unsolicited agency resumes. Please do not forward resumes to our recruiting team or other Microchip employees. Microchip is not responsible for any fees related to unsolicited resumes.