Key Responsibilities

• Ensure 24x7 availability of SAP systems hosted in SAP ECS.

• Respond to, troubleshoot, and resolve alerts and incidents at the Linux OS and infrastructure layers.

• Manage Alibaba Cloud services, including virtual machines, storage, and network resources.

• Monitor and manage infrastructure to ensure optimal performance, scalability, and security.

• Configure and manage virtual networks, subnets, routing, and network security groups.

• Implement monitoring tools and configure alerts for proactive system management.

• Develop and maintain automation tools to streamline routine tasks and processes.

• Collaborate with internal teams to address technical requirements and resolve issues.

• Maintain comprehensive documentation of configurations, procedures, and best practices.

• Follow ITIL-based change management processes.

• Identify and implement automation opportunities in daily operations.

• Work comfortably in a fast-paced, flexible, and dynamic environment.

• Participate in 24/7 operations support, including on-call, weekend, and shift-based duties.

• Apply ITIL incident management principles for effective resolution.

What You Bring

Experience:

• 8+ years of hands-on experience in Linux system administration.

• Proven expertise in troubleshooting and incident handling.

Technical Skills:

• Linux Expertise: Deep knowledge of Linux internals, kernel architecture, memory management, file systems, and system calls.

• Cloud Infrastructure: Experience with Alibaba Cloud or equivalent platforms such as AWS, GCP, or Azure.

• Diagnostics & Troubleshooting: Proficiency with tools such as top, htop, vmstat, iostat, sar, ps, netstat, ss, journalctl, rsyslog, dmesg, strace, lsof, tcpdump, wireshark, perf, and systemd-analyze.

• Networking: Strong understanding of TCP/IP, DNS, DHCP, subnetting, and related protocols.

• Backup & Restore: Familiarity with data protection strategies.

• Infrastructure Services: Working knowledge of DNS, LDAP, and other essential infra services.

• Security: Understanding of OS hardening, compliance, security best practices, vulnerability scanning, and intrusion detection tools.

• Scripting & Automation: Proficiency in Shell, Python, and tools like Ansible, Puppet, Chef, or Terraform.

• Virtualization: Familiarity with container and orchestration technologies like Docker and Kubernetes.

Soft Skills:

• Analytical Thinking: Strong analytical and root cause analysis capabilities.

• Communication: Excellent verbal and written communication skills, with the ability to articulate technical content to both technical and non-technical stakeholders.

• Documentation: Ability to produce clear and concise technical documentation.

• Incident Management: Experience with ITIL or similar frameworks.

• Learning Mindset: Passion for continuous learning and skill enhancement.

Language Requirements:

• Fluency in English is mandatory.