Role & responsibilities

Position

System Administrator - L3

Experience

Minimum 6 years of professional experience in Linux/Unix System Administration.

Educational Qualification

- B.E./B.Tech. (Computer Science / Information Technology / Electronics & Communication Engineering) OR
- MCA OR
- M.Sc. (IT/Computer Science)
- Degree from a recognized University/Institution.

Mandatory Certification Candidate must possess at least one valid OEM-recognized Linux/Unix certification such as:

- RHCSA (Red Hat Certified System Administrator)
- RHCE (Red Hat Certified Engineer)
- Linux Foundation Certified System Administrator (LFCS)
- Linux Foundation Certified Engineer (LFCE)
- SUSE Certified Administrator (SCA)
- SUSE Certified Engineer (SCE)
- Oracle Linux Certified Administrator/Professional
- Equivalent OEM-recognized Linux/Unix certification

Role Purpose The System Administrator - L3 will be responsible for administration, monitoring, maintenance, troubleshooting, and performance optimization of Linux/Unix-based infrastructure supporting critical government applications and services under the NIC project. The role requires expertise in managing enterprise servers, ensuring system availability, security compliance, and operational excellence in a highly available environment.

Key Responsibilities

- Administer and manage Linux/Unix servers in production, testing, and disaster recovery environments.
- Perform installation, configuration, patch management, upgrades, and maintenance of Linux/Unix operating systems.
- Monitor system health, performance, availability, and capacity utilization.
- Manage user accounts, permissions, authentication, and access control policies.
- Troubleshoot complex server, OS, storage, and application-related issues.
- Configure and manage services such as DNS, DHCP, NFS, FTP, SSH, SMTP, and web servers.
- Implement system hardening and security best practices as per organizational policies.




- Manage backup and recovery operations and support disaster recovery activities.
- Perform log analysis and root cause investigation of critical incidents.
- Support virtualization platforms and enterprise storage solutions.
- Automate routine administration activities using Shell Scripting, Python, or Ansible.
- Coordinate with network, database, application, and security teams for issue resolution.
- Prepare technical documentation, SOPs, operational runbooks, and incident reports.
- Ensure adherence to SLA, security, compliance, and audit requirements.

Required Technical Skills

Linux/Unix Administration

- Red Hat Enterprise Linux (RHEL)
- CentOS
- Ubuntu
- Oracle Linux
- SUSE Linux Enterprise Server (SLES)
- Unix environments (AIX/Solaris preferred)

Infrastructure & Services
- DNS, DHCP, LDAP, NTP
- NFS, Samba, FTP, SSH
- Apache, Nginx, Tomcat
- Systemd Services
- LVM and Storage Management

Monitoring & Automation
- Nagios
- Zabbix
- Grafana
- Prometheus
- Shell Scripting
- Python
- Ansible

Security
- OS Hardening
- Patch Management
- Vulnerability Remediation
- SELinux
- Firewall Configuration
- Audit and Compliance Management

Virtualization & Cloud (Preferred)
- VMware
- KVM
- OpenStack
- Basic Cloud Administration (AWS/Azure)

Desired Competencies
- Strong analytical and troubleshooting skills.
- Ability to manage critical production environments.
- Experience working in Government, PSU, NIC, Data Centre, or large enterprise environments.
- Strong documentation and communication skills.
- Ability to work in 24x7 support and shift-based operations, if required.

Preferred Experience
- Experience managing large-scale Linux/Unix infrastructure environments.
- Exposure to Data Center Operations and Disaster Recovery setup.
- Experience in government e-Governance projects, NIC, NKN, or public sector projects will be an added advantage.

Employment Type Full time

Notice Period

Immediate to 30 days preferred.

📌 System Administrator (Delhi)
🏢 Coforge
📍 Delhi