Wipro - Senior Linux Administrator

4 weeks ago

Chennai, Tamil Nadu, India Wipro Ltd Full time

What You'll Do :


- Linux System Administration : Administer and maintain complex Linux operating systems, ensuring high availability, performance, and security.

- Storage Management : Manage LVM (Logical Volume Manager) concepts, including file system creation, extension, and troubleshooting.

- Multipathing : Implement and manage Multipath configurations, including validating existing setups, adding LUNs, and enabling multipath for storage connectivity.

- Performance Optimization : Continuously monitor and ensure that performance specifications are met across all Linux servers.

- Vulnerability Management & Patching : Evaluate and correct OS vulnerabilities by performing regular patching and updates on servers.

- Vendor Coordination : Coordinate effectively with various vendors to resolve hardware and OS-level issues.

- File System Management : Implement and manage log rotation, actively monitor and manage file system usage, and handle permission/ownership changes.

- Operational Support : Implement OS-level changes as per the requirements of application teams and database teams.

- Process Adherence : Strictly follow defined Do's and Don'ts as per SLA, adhering to both Wipro and customer process guidelines while handling Business As Usual (BAU) operations.

- Service Management : Configure and manage essential system services such as NTP, SSH, AUTOFS, and others.

- Troubleshooting & Recovery : Expertly fix server access and bootable issues, including resolving GRUB-related problems. Perform comprehensive OS-level troubleshooting to bring up servers efficiently.

- Documentation : Maintain accurate and up-to-date documentation for system configurations, processes, and troubleshooting We're Looking For :

- Linux Expertise : Must be highly proficient in Linux Administration.

- LVM : Strong understanding and practical experience with LVM concepts (FS creation,

extension, troubleshooting).

- Multipathing : Hands-on experience with Multipath concepts (validation, adding LUNs,

enabling multipath).

- Performance Tuning : Proven ability to ensure performance specifications are met and

conduct OS-level performance tuning.

- Security & Patching : Experience in evaluating and correcting OS vulnerabilities through patching.

- Troubleshooting : Expert-level OS-level troubleshooting skills, including fixing server access and bootable issues (GRUB).

- Vendor Management : Experience coordinating with different vendors for hardware and OS issues.

- File System & Permissions : Proficiency in log rotation, managing FS usage, and changing permissions/ownership.

- Service Management : Knowledge of managing critical services (NTP, SSH, AUTOFS).

- Compliance : Ability to adhere strictly to SLAs and customer to Have :

- Experience with OS migration projects. (ref:hirist.tech)

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