Associate Information Security Engineer

Tredence Inc.; Gurugram District; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Tredence Inc. in Gurgaon is seeking a Network Security Engineer (L1/L2) with 2–4 years of experience to manage enterprise network and security infrastructure.

You will handle day-to-day operations, monitoring, maintenance, and troubleshooting of network, security, Wi‑Fi, voice, and data systems, with hands-on firewall and VPN knowledge. The role requires strong networking fundamentals, experience with Fortinet FortiGate, Cisco switching, and Zscaler web proxy, plus excellent communication and

Qualifications

• 2–4 years of experience in Network Administration and Network Security Support.
• Hands-on with Fortinet FortiGate Firewalls and Cisco Switching.
• Experience with Web Proxy Solutions (Zscaler preferred).
• Strong troubleshooting and analytical skills; able to work independently and in a team.

Responsibilities

• Manage day-to-day operations, administration, maintenance, and support of network and security infrastructure.
• Monitor network stability, availability, and performance across LAN, WAN, Wi‑Fi, and Voice.
• 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.
• 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.

Skills

Firewall Management

Switching & Network Management

Web Proxy Management

Networking Fundamentals

Communication & Stakeholder Management

Independent/Team Work

Education

CCNA Certification

Tools

Fortinet FortiGate

Cisco switches

Zscaler Web Proxy

Job description

Job Description:

Role Description

Job Title: Network Security Engineer

Location: 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 strong 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.

Requirements: