Senior Linux & Cloud Administrator - IT Operations (10-15 yrs)

Responsibilities :

- Act as technical expert during Live site incidents (downtimes of supported services in scope), investigate and solve incidents on a deep technical level.

- Perform in-depth troubleshooting and log analysis to identify and solve complex performance issues in accordance with internal and external SLAs.

- Serving as the elevated L3/L4 support for critical production issues.

- Adhering to change management protocols while executing service requests.

Experience (Role Requirements) :

- 10+ years of professional experience in Linux system administration with a demonstrated ability to perform trouble shooting performane issues and incident handling.

Technical Skills :

- Expert-level Linux knowledge: Deep understanding of Linux internals, kernel architecture, process and memory management, filesystems, and system calls.

Troubleshooting and Diagnostics :

- Mastery of tools like top, htop, vmstat, iostat, sar, ps, netstat, ss, journalctl, rsyslog, dmesg, strace, lsof, tcpdump, wireshark, perf, systemd-analyze.

Networking :

- Advanced understanding of TCP/IP, network interfaces, routing, DNS, DHCP, firewalls, and diagnostic tools.

Performance :

- Strong knowledge of performance tuning techniques for Linux systems, including kernel optimization, process management, and storage I/O tuning.

Security :

- Strong knowledge of security principles, OS hardening, compliance, and tools for vulnerability scanning and intrusion detection.

Scripting and Automation: Proficiency in Shell scripting, Python, and/or other scripting languages.

Experience with Infrastructure-as-Code tools like Ansible, Puppet, Chef, or Terraform.

Cloud Infrastructure: Experience with AWS, Azure, or GCP, including core services.

Virtualization: Familiarity with Docker, Kubernetes, and other virtualization technologies.

Soft Skills :

Analytical and Problem-Solving: Exceptional ability to analyze complex issues, identify root causes, and implement effective solutions.

Communication: Excellent written and verbal communication skills, with the ability to explain technical findings clearly to both technical and non-technical audiences.

Documentation: Ability to create clear, concise, and comprehensive technical documentation.

Incident Management: Experience with ITIL or similar incident management frameworks.

Continuous Learning: A strong commitment to ongoing learning and professional development.

Language Skills :

- Fluency in English is essential.

Tools and Technologies :

Monitoring Tools : Prometheus, Grafana.

Log Management : Splunk.

Diagnostic Tools : (As listed in technical skills).