Information Technology (IT) - Network Administrator / Network Engineer

Shiv Nadar School; Chennai; On-site; INR 600,000 - 900,000; Full time

Job summary

Shiv Nadar School is seeking a Network Infrastructure & Security Specialist to manage campus-wide LAN/WAN/WLAN, VPN, and internet connectivity. You will oversee network devices, monitor performance, and ensure high availability of services.

Role involves implementing security controls, collaborating with cybersecurity teams, and supporting audits and compliance. Experience in multi-site environments and IT governance is valued; a formal IT background is essential.

Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Electronics & Communication, or a related field.
• Certifications such as CCNA, CCNP, Fortinet NSE, Palo Alto, or equivalent preferred.
• Relevant certifications in network security will be an added advantage.

Responsibilities

• Install, configure, monitor, and maintain LAN, WAN, WLAN, VPN, and internet connectivity across campus locations.
• Manage and support network devices including switches, routers, firewalls, wireless controllers, and access points.
• Monitor network performance and proactively identify and resolve bottlenecks.
• Ensure high availability and optimal performance of network services.
• Implement and maintain network security measures, including firewalls, IDS/IPS, VPNs, VLANs, and access controls.
• Monitor network activity for security threats and vulnerabilities.
• Collaborate with cybersecurity and audit teams to ensure compliance with organizational and regulatory requirements.
• Support periodic security assessments, audits, and remediation activities.
• Diagnose and resolve network outages, performance issues, and connectivity challenges.
• Perform root cause analysis and implement preventive measures.
• Coordinate with vendors and service providers for issue resolution and escalation management.
• Maintain accurate documentation of network topology, configurations, IP addressing schemes, and SOPs.
• Generate periodic reports on network availability, utilization, incidents, and improvements.
• Ensure asset inventories and configuration records are regularly updated.
• Participate in network expansion, upgrades, and technology implementation projects.
• Evaluate emerging technologies and recommend infrastructure improvements.
• Support business continuity and disaster recovery initiatives related to network systems.
• Ensure network infrastructure adheres to enterprise standards and audit requirements.
• Support internal and external audits by providing required documentation and evidence.
• Implement controls and best practices aligned with global IT governance standards.

Skills

TCP/IP

DNS/DHCP

VLANs

Routing & Switching

Wireless networking

Firewall management

Network monitoring

ITIL processes

Education

Bachelor's degree in Computer Science/IT/Electronics & Communication

Tools

Cisco

Fortinet

Aruba

HP networking

Job description

Key Responsibilities

Network Infrastructure Management

• Install, configure, monitor, and maintain LAN, WAN, WLAN, VPN, and internet connectivity across campus locations.


• Manage and support network devices including switches, routers, firewalls, wireless controllers, and access points.


• Monitor network performance and proactively identify and resolve bottlenecks.


• Ensure high availability and optimal performance of network services.

Network Security

• Implement and maintain network security measures, including firewalls, IDS/IPS, VPNs, VLANs, and access controls.


• Monitor network activity for security threats and vulnerabilities.


• Collaborate with cybersecurity and audit teams to ensure compliance with organizational and regulatory requirements.


• Support periodic security assessments, audits, and remediation activities.

Incident Management & Troubleshooting

• Diagnose and resolve network outages, performance issues, and connectivity challenges.


• Perform root cause analysis and implement preventive measures.


• Coordinate with vendors and service providers for issue resolution and escalation management.

Monitoring & Documentation

• Maintain accurate documentation of network topology, configurations, IP addressing schemes, and SOPs.


• Generate periodic reports on network availability, utilization, incidents, and improvements.


• Ensure asset inventories and configuration records are regularly updated.

Project & Infrastructure Support

• Participate in network expansion, upgrades, and technology implementation projects.


• Evaluate emerging technologies and recommend infrastructure improvements.


• Support business continuity and disaster recovery initiatives related to network systems.

Compliance & Audits

• Ensure network infrastructure adheres to enterprise standards and audit requirements.


• Support internal and external audits by providing required documentation and evidence.


• Implement controls and best practices aligned with global IT governance standards.

Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Electronics & Communication, or a related field.


• Certifications such as CCNA, CCNP, Fortinet NSE, Palo Alto, or equivalent preferred.


• Relevant certifications in network security will be an added advantage.

Experience

• 3-6 years of hands-on experience in network administration and infrastructure management.


• Experience managing enterprise-grade networking environments.


• Exposure to multi-site network environments is preferred.


• Prior experience in corporate organizations or large institutions is desirable.

Technical Skills

• Strong knowledge of TCP/IP, DNS, DHCP, VLANs, Routing & Switching.


• Hands-on experience with Cisco, Fortinet, Aruba, HP, or equivalent networking technologies.


• Experience with firewall configuration and management.


• Understanding of wireless networking architecture.


• Familiarity with network monitoring tools and security best practices.


• Knowledge of ITIL processes and infrastructure documentation.

Competencies

• Strong analytical and problem-solving skills.


• Ability to work independently and manage critical incidents.


• Excellent communication and stakeholder management skills.


• Attention to detail and documentation discipline.


• Ability to work effectively in a compliance-driven and audit-focused environment.

Success Measures

• Network uptime and availability.


• Resolution time for network incidents.


• Audit compliance and closure of observations.


• Security posture and vulnerability management.


• User satisfaction regarding network reliability.

Note: This role is focused on managing and strengthening the organization's network infrastructure and security environment. It is not intended to function as a desktop/end-user support position.