Linux system Administrator L1
IDEMIA Public Security
Chennai, Tamil Nadu, IndiaFresher36m agovia LinkedIn
About the Role
IDEMIA is seeking a Linux System Administrator L1.
Key Responsibilities
- Analyzes, troubleshoots, and resolves tickets escalated by support level 1 or 2.
- Reproduces and documents customer problems and escalates them to relevant solution or product development teams.
- Provides input on product and customer specific functionality, configuration, and usage.
- Designs corrective action plans or local workarounds.
- Documents ticket resolution and communicates progress to customers.
- Maintains support documentation.
- Carries out on-site administration and preventive maintenance activities.
- Performs system upgrades at customer premises.
- Ensures procedures are correctly implemented.
- Maintains IT infrastructure and backend components, including hardware and software.
- Generates and shares monthly support reports with the customer and HO team.
Requirements & Tech Stack
- Familiarity with best practices of infrastructure (on premises) deployment for production grade environments.
- Good to have DevOps skills for automating application deployment/management and production monitoring.
- Linux OS platforms: RHEL & CentOS.
- Linux Filesystem, file permissions & ownership.
- Knowledge of boot process & control.
- Knowledge of Run level & troubleshooting issues related to specific services.
- OS performance checks & troubleshooting performance issues.
- LVM/VG/PV management and troubleshooting.
- ACL management.
- Understanding of crontab and scheduling of jobs.
- Multipath configuration and management.
- Network File Sharing Services: DNS, NFS and CIFS.
- Network configuration/management & troubleshooting (configuring bonding, VLAN tagging).
- Patching through Satellite & client-side yum configuration.
- Satellite server configuration & management.
- Knowledge of different hardware architecture (e.g., HP, Dell servers).
- Management of Linux servers and hypervisors like OVM server, VMware ESXi.
Qualifications
- In-depth knowledge of Linux OS platforms (RHEL & CentOS).
- Strong troubleshooting skills.