Network Administrator L2

Experis; Mumbai; On-site; INR 600,000 - 1,000,000; Full time

Job summary

Experis is seeking an experienced Network Administrator L2+ to manage and support enterprise network infrastructure in Vikhroli. You will handle routers, switches, firewalls, VPNs, and security integrations, while collaborating with IT and security teams to ensure high availability.

The ideal candidate has 3–5 years hands-on experience, strong troubleshooting skills, and familiarity with Fortinet technologies. A Bachelor's degree is required, with experience in Windows Server and Linux.

Qualifications

• Bachelor's degree in CS/IT/Electronics or related field.
• 3–5 years of hands-on network administration and support.
• Experience with Windows Server and Linux environments.
• Knowledge of VPN technologies, High Availability (HA), and monitoring tools.
• Strong troubleshooting and analytical skills.
• Excellent communication and documentation skills.
• Ability to work independently in a fast-paced environment.

Responsibilities

• Install, configure, monitor, and maintain enterprise network infrastructure.
• Monitor performance and resolve connectivity and latency issues.
• Provide Level 2 support for network incidents and escalations.
• Manage user access and authentication systems.
• Collaborate with IT and security teams for integrated solutions.
• Maintain topology diagrams, configurations, and SOPs.
• Conduct regular health checks, firmware upgrades, and DR preparedness.
• Coordinate with vendors for issue resolution and service management.
• Participate in network expansions and security enhancements.
• Adhere to IT security policies and industry best practices.
• Stay updated with new networking technologies and trends.

Skills

TCP/IP

Routing & Switching

VLANs

DNS

DHCP

NAT

WAN/LAN Technologies

Wireless Networking

Education

Bachelor's Degree in Computer Science, Information Technology, Electronics, or a related field

Tools

Fortinet FortiGate

FortiAnalyzer

FortiManager

Windows Server

Linux

VPN Technologies

Network Monitoring Tools

Job description

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)