Job Title: Network Security Engineer

Location: Pune / Gurgaon

Experience: 2 to 4 Years

Job Summary

We are looking for a motivated and technically skilled Network Security Engineer (L1/L2) with 2 to 4 years of experience in managing enterprise network and security infrastructure. The candidate will be responsible for day-to-day operations, administration, monitoring, maintenance, and troubleshooting of network, security, Wi-Fi, voice, and data infrastructure. The role requires hands-on experience with firewalls, switching technologies, web proxy solutions, and solid knowledge of networking fundamentals.

Roles & Responsibilities

- Manage day-to-day operations, administration, maintenance, and support of network and security infrastructure.
- Monitor and maintain network stability, availability, and performance across LAN, WAN, Wi-Fi, and Voice environments.
- Provide L1/L2 support for network incidents, service requests, and troubleshooting activities.
- Configure, monitor, and troubleshoot Firewalls, Switches, Access Points, and VoIP infrastructure.
- Support security policies, access controls, and network changes as per organizational standards.
- Coordinate network and security maintenance activities and planned outages.
- Work with internal teams and external vendors for installation, upgrades, and troubleshooting of network infrastructure.
- Monitor network s and ensure timely incident resolution and escalation when required.
- Perform routine health checks, upgrades, backups, and documentation of network devices.
- Maintain and enforce operational processes, standards, and procedures.
- Collaborate effectively with cross-functional teams while demonstrating the ability to work independently.




- Ensure accurate documentation of network configurations, incidents, and change records.

Required Technical Skills Firewall Management (L1/L2)
- Hands-on experience with Firewall administration and troubleshooting.
- Preferred experience with Fortinet FortiGate Firewalls.
- Understanding of Security Policies, NAT, VPNs, IPS, and Firewall Rule Management.

Switching & Network Management
- Hands-on experience managing Cisco Switches.
- Knowledge of VLANs, STP, Port Security, Trunking, and Layer 2/Layer 3 Switching.

Web Proxy Management
- Basic to intermediate experience with Zscaler Web Proxy.
- Understanding of URL filtering, policy management, web traffic monitoring, and troubleshooting.

Networking Fundamentals
- Strong understanding of networking concepts and OSI Model.
- Knowledge of TCP/IP, DNS, DHCP, Routing, Switching, WAN, LAN, WLAN, and VPN technologies.
- Experience supporting Wi-Fi infrastructure and Access Points.

Mandatory Requirements
- 2 to 4 years of experience in Network Administration and Network Security Support.
- Working experience with:
- Firewalls (Fortinet preferred)
- Cisco Switching
- Wireless Networks (Access Points)
- WAN/LAN Infrastructure
- VoIP Technologies
- Web Proxy Solutions (Zscaler preferred)

- Strong troubleshooting and analytical skills.
- Excellent communication and stakeholder management skills.
- Ability to work independently and in a team environment.
- Self-motivated with a positive attitude and customer-focused approach.

Preferred Qualifications
- CCNA Certification (Mandatory/Preferred)
- Additional certifications in Fortinet (NSE/Fortinet Certified Professional), Cisco, or Zscaler will be an added advantage.
- Experience with enterprise network monitoring tools is preferred.

Required Skills

📌 Associate Information Security Engineer (Pune)
🏢 Tredence
📍 Pune