Lead Network Engineer

2 weeks ago

Mumbai, Maharashtra, India ITC Infotech Full time ₹ 20,00,000 - ₹ 25,00,000 per year

Lead- Network Engineer (Immediate to 15 Days Joiner)

Experience:- 10 Yrs

Location: Mumbai

Working Days:- 5 (Mandatory)

[Routing / Switching / Wireless / SDWAN / Cloud networking / NW Automation]Engineer

Job Summary:

We are looking for a skilled and strategic Lead Network & Security Engineer to architect, manage, and secure enterprise-wide network systems. This senior role demands deep technical expertise across firewalls, VPN, IPS, Zscaler cloud security, switching technologies, SD-WAN, and wireless solutions. You'll lead design initiatives, mentor engineers, and ensure robust security postures across complex hybrid environments.

Key Responsibilities:

  • Design and manage firewall deployments using Cisco ASA, Fortinet FortiGate, and Checkpoint, including advanced rulebase optimization and threat mitigation
  • Architect, configure, and monitor VPN solutions (IPsec, SSL VPN) for secure connectivity across global networks
  • Oversee implementation and tuning of Intrusion Prevention Systems (IPS) to defend against evolving threats
  • Administer and optimize Zscaler Internet Access (ZIA) and Private Access (ZPA) policies for cloud security and access control
  • Lead Layer 2/3 switching operations, including VLAN configuration, Spanning Tree Protocol (STP) tuning, and traffic segmentation
  • Deploy and maintain Fortinet SD-WAN solutions for resilient connectivity and bandwidth optimization
  • Manage enterprise wireless infrastructure across Cisco Wireless LAN Controller (WLC), Aruba, and Meraki platforms for performance and security
  • Ensure reliable and secure operation of network services like DNS, DHCP, NTP, including redundancy and fault-tolerance
  • Conduct network risk assessments, penetration testing coordination, and remediation planning
  • Collaborate with cross-functional teams on security posture improvements, incident response strategy, and zero-trust architecture
  • Document network diagrams, policies, procedures, and change requests with a focus on audit readiness

Required Skills:

  • Network & Firewall, Switching (VLAN, STP) Firewall - Cisco ASA, Fortinet FortiGate, Checkpoint SD WAN - Fortinet SD-WAN
  • Wireless - Cisco WLC, Aruba, Meraki, DNS/DHCP/NT PFirewall / VPN / IPS / Zscaler
  • Advanced experience in
    firewall rule audits
    , traffic shaping, and security policy enforcement
  • Strong knowledge of
    Zscaler cloud security
    architecture and integration ; Scripting or automation (Python, Bash, PowerShell) is a plus
  • Proficiency in VLAN routing, trunking, STP troubleshooting, and link redundancy
  • Solid command of
    SD-WAN architectures
    , overlay networks, and branch-office deployments
  • Familiarity with wireless authentication protocols, RF optimization, and controller-based management
  • Competent in core services like
    DNS zone management
    ,
    DHCP scopes
    , and
    NTP synchronization

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