Network Administrator L2

Network Administrator L2+

Department: Technology
Reporting Relationship: AVP IT Infrastructure
Location: Vikhroli

Job Purpose

We are seeking an experienced Network Administrator L2+ to manage, maintain, and support enterprise network infrastructure. The ideal candidate should have strong hands-on experience in network operations, troubleshooting, security administration, and firewall management. Experience with Fortinet technologies (FortiGate, FortiAnalyzer, FortiManager, etc.) is preferred.

Duties & Responsibilities

• Install, configure, monitor, and maintain network infrastructure including routers, switches, wireless access points, firewalls, VPNs, and network services.
• Monitor network performance, identify bottlenecks, and resolve connectivity, latency, and hardware-related issues.
• Perform root cause analysis and provide Level 2 support for network incidents and escalations.
• Manage user access, network permissions, and authentication systems.
• Collaborate with IT and security teams to ensure seamless integration of network and security solutions.
• Maintain network documentation, topology diagrams, configurations, SOPs, and change records.
• Conduct regular network health checks, backups, firmware upgrades, and disaster recovery preparedness activities.
• Coordinate with vendors and service providers for issue resolution and service management.
• Participate in infrastructure projects, network expansions, security enhancements, and technology upgrades.
• Ensure adherence to IT security policies, compliance requirements, and industry best practices.
• Stay updated with emerging networking technologies, cybersecurity trends, and product advancements.

Technical Skills

Strong understanding of:

• TCP/IP
• Routing & Switching
• VLANs
• DNS
• DHCP
• NAT
• WAN/LAN Technologies
• Wireless Networking

Additional Requirements

• Experience managing enterprise-grade firewalls and network security solutions.
• Strong troubleshooting and analytical skills with the ability to diagnose complex network issues.
• Experience with Windows Server and Linux environments.
• Knowledge of VPN technologies, High Availability (HA), and network monitoring tools.
• Excellent communication, documentation, and stakeholder management skills.
• Ability to work independently and manage multiple priorities in a fast-paced environment.

Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Electronics, or a related field.
• 3 to 5 years of hands-on experience in Network Administration and Support.

Preferred Experience

• Firewall Rule Management
• Security Policy Configuration
• Threat Monitoring
• Network Access Control (NAC)
• Zero Trust Security Concepts
• Security Operations
• Azure/AWS Networking
• SIEM Tools
• SOC Operations
• Cybersecurity Frameworks

Preferred Certifications

• Fortinet NSE Certification or equivalent Fortinet certification
• CCNA / CCNP
• Firewall Security Certifications
• ITIL Foundation (Good to Have)