Network Security Engineer

Tredence Inc.; Maharashtra; On-site; INR 600,000 - 900,000; Full time

Job summary

Tredence Inc. in India is seeking a Network Security Engineer (L1/L2) with 2–4 years' experience to manage day-to-day network and security operations, including Firewalls, switches, Wi‑Fi, VoIP, and web proxies. You will monitor performance, troubleshoot incidents, and coordinate with internal teams and vendors.

Strong knowledge of Fortinet FortiGate, Cisco, Zscaler, and related technologies is preferred. The role requires hands-on networking fundamentals and the ability to work independently

Qualifications

• 2–4 years of experience in Network Administration and Network Security Support.
• Experience with Fortinet/FortiGate and Cisco Switching.
• Knowledge of VPNs, IPS, NAT, and Firewall Rule Management.
• Strong troubleshooting and communication skills.

Responsibilities

• Manage day-to-day operations of network and security infrastructure.
• Monitor network stability and performance across LAN/WAN/Wi‑Fi/VoIP.
• Provide L1/L2 support for incidents and service requests.
• Configure and troubleshoot Firewalls, Switches, Access Points, and VoIP.
• Support security policies and access controls.
• Coordinate maintenance and planned outages.
• Collaborate with internal teams and vendors for upgrades.
• Maintain documentation of network configurations and changes.
• Conduct routine health checks, backups, and upgrades.
• Enforce operational processes and standards.
• Work independently and with cross-functional teams.
• Ensure timely incident resolution and escalation when required.

Skills

Firewall administration

Troubleshooting

Network security

Communication skills

Independent worker

Education

CCNA Certification

Fortinet NSE Certification

Zscaler Certification

Tools

Fortinet FortiGate

Cisco Switches

Zscaler Web Proxy

Job description

Job Summary

We are looking for a motivated and technically skilled

• 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.

Role Description

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 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

• 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.