Senior Linux Network Administrator

Senior Linux Network Administrator -10-12 years- Mohali

Location-Mohali

Summary-

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Responsibilities

1. Design, implement, and maintain Linux server infrastructure (CentOS, Ubuntu, RHEL) across data centers and hybrid environments.

2. Architect and manage complex network setups involving VLANs, routing, firewalls, and VPNs for secure, high-availability systems.

3. Oversee virtualization platforms (Proxmox, VMware, KVM), SAN/NAS storage, and disaster recovery solutions.

4. Deploy and administer enterprise firewalls (FortiGate, Cisco ASA, pfSense, Palo Alto), ensuring compliance and network security.

5. Automate configuration, deployment, and monitoring using Ansible, Terraform, and shell scripting.

6. Optimize infrastructure performance and scalability using HAProxy, Nginx, and modern load balancing techniques.

7. Lead system hardening initiatives, monitoring and incident response setups (Zabbix, Prometheus, Grafana).

8. Collaborate with cross-functional teams for performance optimization, troubleshooting, and new technology rollouts.

9. Mentor and guide junior administrators on Linux and networking best practices.

Requirements

1. 10-12 years of hands-on experience in Linux systems administration and enterprise networking.

2. Proven expertise in data center infrastructure design, virtualization, and storage management.

3. Strong command over routing, VLAN configuration, firewall management (FortiGate, pfSense, Cisco ASA).

4. Proficiency in scripting and automation tools (Ansible, Terraform, Shell, Python preferred).

5. Advanced knowledge of system security, penetration testing, and infrastructure hardening practices.

6. Excellent troubleshooting and leadership skills with a focus on documentation and process improvement.

7. Preferred certifications: RHCE, CCNP, VMware VCP, AWS SysOps, CompTIA Network+.

What is in it for you

• Opportunity to work on cutting-edge hybrid and cloud technologies.
• Leadership role in shaping enterprise infrastructure strategy.
• Global exposure and collaboration with multi-location teams.
• Competitive compensation and comprehensive benefits.

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