Role: Linux/Unix Admin L3

Location: Delhi & Hyderabad

Contract Key Responsibilities

- Install, configure, administer, and maintain Linux servers (RHEL and SUSE).
- Perform OS installation, upgrades, patching, and lifecycle management.
- Monitor system performance, availability, and capacity planning.
- Troubleshoot hardware, operating system, and application-related issues.
- Manage user accounts, permissions, groups, and authentication services.
- Configure and maintain storage, file systems, LVM, and network services.
- Implement security best practices, hardening, and vulnerability remediation.
- Automate routine administrative tasks using Shell scripting (Bash/Korn Shell).
- Manage system services, startup processes, and scheduled jobs (cron/systemd).
- Perform backup, recovery, and disaster recovery activities.
- Support server migrations, upgrades, and infrastructure modernization projects.
- Collaborate with application, database, storage, and network teams to resolve production issues.
- Maintain documentation, SOPs, and system configuration records.
- Participate in on-call support and incident management.

Required Skills

- Strong experience administering Red Hat Enterprise Linux (RHEL)



and SUSE Linux Enterprise Server (SLES).
- Proficiency with Linux command-line administration.
- Experience with:

o LVM, file systems (XFS, EXT4)

o Systemd services o SSH, NFS, Samba o DNS, NTP o User and group administration

- Robust Shell scripting (Bash/Korn Shell).
- Knowledge of Linux security, SELinux, firewall configuration, and system hardening.
- Experience with package management (YUM, DNF, Zypper, RPM).
- Understanding of networking concepts (TCP/IP, routing, bonding, VLANs).
- Experience with monitoring tools such as Nagios, Zabbix, Prometheus, or similar.
- Knowledge of virtualization platforms such as VMware or KVM.
- Familiarity with ITIL processes, incident, problem, and change management.

Preferred Skills

- Experience with automation tools such as Ansible.
- Exposure to cloud platforms (AWS, Azure, or Google Cloud).
- Knowledge of Docker and Kubernetes.
- Experience with CI/CD tools.
- Familiarity with Identity Management (LDAP, Active Directory integration).
- Experience with high availability and clustering solutions.

📌 Unix Linux System Administrator :: Contract :: Delhi & Hyderabad
🏢 AceStack
📍 Hyderabad