Network Security Engineer II - Immediate joiner

L2 Network & Security Engineer to manage day-to-day operations, incidents, standard changes, and service tasks via ServiceNow. Provides 24x7 operational support for core enterprise infrastructure and application connectivity .You will also be required to liaise closely with the customer’s key stakeholders, which may include incident response and disaster recovery teams as well as information security.

Responsibilities

• Operations & ITSM: Resolve L2 incidents, execute Change Requests (CRs), and handle service tasks in ServiceNow following ITIL processes.
• Security (Palo Alto & Zscaler): Administer Palo Alto firewall policies, NAT, and VPNs. Troubleshoot Zscaler (ZIA/ZPA) user access, cloud proxies, and Client Connector (ZCC) issues.
• Network & Wireless: Troubleshoot BGP, OSPF, VLANs, and switching protocols. Monitor and fix enterprise Wi-Fi using Juniper Mist.
• Core DDI (Infoblox): Manage DNS records (A, CNAME, PTR), DHCP scopes, and IP Address Management (IPAM).
• Escalate critical or complex issues to L3 teams with detailed technical analysis and recommendations.
• Participate in major incident management, post-incident reviews, and root cause analysis activities.
• Own incidents through to resolution within L2 scope while ensuring clear communication with customers, stakeholders and within the Team.
• Perform detailed analysis of security and network events, identify incidents, and implement corrective actions.
• Manage and assist with firewall rule changes, policy optimizations, upgrades, migrations, and configuration updates.

Tech Stack & Certifications

• Technologies: Palo Alto, Zscaler (ZIA/ZPA), Juniper Mist Wi-Fi, Infoblox DDI, Routing & Switching (BGP/OSPF/VLANs), ServiceNow.
• Certifications (Preferred): PCNSA, ZCCA/ZCCP, CCNA/JNCIA.

Soft Skills

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