Job Title: Linux System Administrator / Linux Production Support Engineer (L2/L3)

Experience: 6-10 Years

Location: Bangalore / Hyderabad / Remote (Current)

Shift: 24x7 Rotational Support

We are looking for an experienced Linux System Administrator to join our Infrastructure and Production Support team. The ideal candidate should have strong expertise in Linux administration, OS patching, automation, cloud technologies, and production support in enterprise environments.

Key Responsibilities

- Administer and support Red Hat Enterprise Linux (RHEL), CentOS, Oracle Linux, and Ubuntu servers.
- Perform Linux server installation, configuration, upgrades, and lifecycle management.
- Manage user accounts, groups, permissions, ACLs, sudo access, and authentication services.
- Execute monthly OS patching, kernel upgrades, vulnerability remediation, and compliance activities.
- Troubleshoot Linux performance, boot issues, service failures, filesystem issues, and system outages.
- Develop and maintain automation using Ansible and Shell scripting.
- Monitor server health, analyze logs, and perform root cause analysis (RCA) for production incidents.
- Support cloud infrastructure hosted on AWS and virtualized environments on VMware.
- Participate in incident, problem, and change management activities.
- Collaborate with application, database, storage, and network teams for infrastructure support.
- Provide 24x7 production support and participate in on-call rotations.





Required Skills

- Solid experience in Linux Administration (RHEL 7/8/9).
- Hands-on experience with OS patching, package management (YUM/DNF/RPM), and kernel upgrades.
- Strong troubleshooting skills in Linux performance, boot process, GRUB, filesystems, and networking.
- Experience with Ansible automation and Bash Shell Scripting.
- Knowledge of LVM, NFS, multipath, storage management, and filesystem administration.
- Experience with AWS services such as EC2, EBS, IAM, VPC, and CloudWatch.
- Working knowledge of VMware virtualization.
- Experience handling P1/P2 incidents in production environments.
- Understanding of ITIL processes, incident management, change management, and problem management.

Preferred Skills

- Python scripting.
- ServiceNow.
- Monitoring tools such as New Relic, Grafana, Zabbix, or Splunk.
- Security and vulnerability management tools such as Rapid7, SentinelOne, Trend Micro.
- Experience with Docker and Kubernetes.
- Knowledge of PAM, SSSD, SELinux, and server hardening.

Preferred Qualifications

- Bachelor's Degree in Computer Science, Information Technology, or related field.
- RHCSA/RHCE Certification preferred.
- AWS Certification preferred.
- Experience supporting large-scale enterprise production environments.

If you are passionate about Linux infrastructure, automation, and production support, we would love to hear from you.

📌 Senior Linux Engineer (Bengaluru)
🏢 TEKsystems
📍 Bengaluru