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Senior Specialist

Infinite Computer Solutions · Noida

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<span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Job Title: Tier-3 (T3) NOC/TAC IP/MPLS &amp; Security Support Engineer</span></span></b></span></span></span><br><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Job Summary</span></span></b></span></span></span><br><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">The Tier-3 NOC/TAC IP/MPLS &amp; Security Support Engineer provides advanced technical support for large-scale service provider or enterprise networks. This role focuses on resolving complex incidents escalated from Tier-1 and Tier-2 teams, ensuring network stability, performing in-depth troubleshooting, and coordinating with vendors for critical issues. The engineer will support IP/MPLS backbone networks, data center connectivity, firewalls, and CGNAT platforms across Nokia, Cisco, Juniper, Fortinet, and Checkpoint devices.</span></span></span></span></span><div align="center" style="text-align:center; margin-bottom:11px"><br><hr align="center" size="2" width="100%"></div><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Key Responsibilities</span></span></b></span></span></span><br><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Incident &amp; Escalation Management</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Act as the <b>highest operational escalation point</b> for complex network and security incidents.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Perform real-time troubleshooting on IP/MPLS backbone, core routers, and security appliances.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Lead <b>Major Incident (P1/P2)</b> bridges and restore service in minimal time.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Work closely with Tier-1/2 NOC teams, providing guidance and technical support.</span></span></span></span></span></span></li></ul><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Troubleshooting &amp; Analysis</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Diagnose advanced issues involving:</span></span></span></span></span></span><br><ul style="list-style-type:circle"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">MPLS, MPLS-TE, RSVP-TE</span></span></b></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">L3VPN, L2VPN (VPLS, VPWS, EVPN)</span></span></b></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Routing protocols: BGP, OSPF, IS-IS</span></span></b></span></span></span></span></li></ul></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Analyze packet captures, logs, and control-plane behavior.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Troubleshoot performance, latency, flaps, routing loops, and service outages.</span></span></span></span></span></span></li></ul><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Firewall &amp; CGNAT Support</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Resolve escalations for:</span></span></span></span></span></span><br><ul style="list-style-type:circle"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Juniper SRX, Fortinet, Checkpoint firewalls</span></span></b></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Nokia and Cisco CGNAT platforms</span></span></b></span></span></span></span></li></ul></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Troubleshoot NAT, filtering policies, VPN issues, and security rule conflicts.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Support customer-impacting security incidents.</span></span></span></span></span></span></li></ul><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Network Stability &amp; Optimization</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Perform proactive audits and health checks on backbone infrastructure.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Optimize routing policies, MPLS tunnels, and traffic engineering parameters.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Recommend long-term fixes and preventive measures.</span></span></span></span></span></span></li></ul><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Vendor Coordination</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Collaborate with <b>GTAC (Nokia), JTAC (Juniper), Cisco TAC</b>, Fortinet, and Checkpoint support for unresolved issues.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Track vendor cases, implement interim workarounds, and validate permanent fixes.</span></span></span></span></span></span></li></ul><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Change Management</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Review and validate change requests (CRs) and methods of procedure (MOPs).</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Support scheduled maintenance on backbone routers, firewalls, or MPLS services.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Participate in planned upgrades, migrations, and feature enablements.</span></span></span></span></span></span></li></ul><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Documentation &amp; Knowledge Sharing</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Create technical documents, RCA reports, and troubleshooting guides.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Train and mentor Tier-1 and Tier-2 NOC engineers.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Maintain accurate system diagrams and configuration archives.</span></span></span></span></span></span></li></ul><br><div align="center" style="text-align:center; margin-bottom:11px"><br><hr align="center" size="2" width="100%"></div><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Required Skills &amp; Experience</span></span></b></span></span></span><br><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Networking &amp; MPLS Expertise</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Strong hands-on experience with:</span></span></span></span></span></span><br><ul style="list-style-type:circle"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">MPLS, MPLS-TE, RSVP-TE</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">MPLS L3VPN / L2VPN / VPLS / EVPN</span></span></span></span></span></span></li></ul></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Solid understanding of BGP, OSPF, IS-IS, route policies, and traffic engineering.</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Experience with QoS, multicast, redundancy protocols (VRRP/HSRP), and LAG/LACP.</span></span></span></span></span></span></li></ul><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Multi-Vendor Platform Knowledge</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Nokia <b>7750 SR</b> / SR-OS</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span lang="ES" style="font-size:8.0pt"><span style="line-height:115%">Cisco <b>NCS540</b>, <b>ASR9000</b> (IOS-XR)</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Juniper <b>MX, QFX, SRX</b></span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Fortinet <b>FortiGate</b>, Checkpoint firewalls</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">CGNAT platforms across Nokia, Juniper, and Cisco</span></span></span></span></span></span></li></ul><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Security Knowledge</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Firewall rule management, NAT, IPS/IDS</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">VPN troubleshooting (IPSec, IKE, SSL)</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">CGNAT/LSN behavior, logging, and capacity issues</span></span></span></span></span></span></li></ul><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Operational Skill Set</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Strong incident management capability</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Familiarity with monitoring tools (NetFlow, SNMP, Telemetry)</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Log analysis, packet capture tools (tcpdump, Wireshark)</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Experience with ITIL-driven processes (Incident, Change, Problem)</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Good documentation and communication skills</span></span></span></span></span></span></li></ul><br><div align="center" style="text-align:center; margin-bottom:11px"><br><hr align="center" size="2" width="100%"></div><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Education &amp; Certifications (Preferred)</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Bachelor’s in Engineering, Computer Science, or related field</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Certifications preferred:</span></span></span></span></span></span><br><ul style="list-style-type:circle"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">CCNP/CCIE</span></span></b></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">JNCIP/JNCIE</span></span></b></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Nokia NRS-II or SRA</span></span></b></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Fortinet NSE4/7</span></span></b></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list 1.0in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Checkpoint CCSA/CCSE</span></span></b></span></span></span></span></li></ul></li></ul><br><div align="center" style="text-align:center; margin-bottom:11px"><br><hr align="center" size="2" width="100%"></div><span style="font-size:12pt"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><b><span style="font-size:8.0pt"><span style="line-height:115%">Soft Skills</span></span></b></span></span></span><br><ul style="margin-bottom:11px"><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Strong analytical and problem-solving abilities</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Calm under pressure, especially during outages</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Excellent coordination skills for major incidents</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Ability to guide and mentor junior team members</span></span></span></span></span></span></li><li style="margin-bottom:11px"><span style="font-size:12pt"><span style="tab-stops:list .5in"><span style="line-height:115%"><span style="font-family:Aptos,sans-serif"><span style="font-size:8.0pt"><span style="line-height:115%">Strong ownership and accountability</span></span></span></span></span></span></li></ul><br><br><br><br>&nbsp;