ALTAF AMIR SHAIKH
Mumbai,MH
Summary
Network Lead leading enterprise network infrastructure operations across firewalls, routers, switches, VPN services, and connectivity. Coordinates network projects, disaster recovery drills, and change management while monitoring availability, performance, and security. Drives incident resolution, root cause analysis, and service-level compliance across banking and insurance environments.
Overview
3
3
Languages
2
2
Certifications
5
5
years of professional experience
Work History
Network Lead
Zurich Kotak General Insurance
10.2024 - Current
- Monitor [number]% network uptime across enterprise infrastructure and escalate service risks promptly.
- Lead network infrastructure operations, covering routers, switches, firewalls, VPN infrastructure, and connectivity services.
- Plan and execute network projects, infrastructure upgrades, and disaster recovery drills for operational readiness.
- Manage network security audits, compliance adherence, and firewall oversight across the environment.
- Coordinate change management, vendor partners, and facility management services for infrastructure support.
- Partner with business stakeholders to deliver infrastructure enhancements and service-level improvements.
L3 Network & Security Engineer
L A Technologies
07.2023 - 10.2024
- Reduced incident resolution time by 10% while troubleshooting WAN and LAN environments.
- Managed Cisco ASR1001X, ISR 4331, 1841, 1700, and 1800 routers across enterprise network operations.
- Administered Check Point, Palo Alto, Cisco FTD, IPS, and FortiGate devices to support perimeter security.
- Configured BGP, static routing, ACLs, and route redistribution to stabilize enterprise connectivity.
- Troubleshot complex Layer-2 and Layer-3 issues across Cisco 2960, SG300, 3550, and Catalyst 9000 switches.
- Trained junior engineers and supported audits, compliance requirements, and device maintenance activities.
Team Lead - Security Incident Management
Nelito Systems Ltd
12.2021 - 01.2023
- Led security and infrastructure incident tickets, coordinating triage, assignment, and follow-through with team members.
- Used Demisto, OTRS, and UNIDESK to manage incidents, maintain visibility, and streamline case tracking.
- Coordinated with stakeholders on remediation and mitigation activities, aligning next steps during active incidents.
- Performed incident investigation, diagnosis, and recovery to restore service and reduce recurring disruption.
- Managed change requests, process improvements, and training sessions to strengthen team execution and knowledge sharing.
Education
Bachelor of Commerce - undefined
Higher Secondary Certificate - undefined
Secondary School Certificate - undefined
Skills
Cisco ASR
ISR
Catalyst Series
Juniper ACX Series
LAN/WAN Technologies
MPLS
VPN
Internet Connectivity
BGP
OSPF
EIGRP
RIP v1/v2
Static Routing
Route Redistribution
Policy Based Routing (PBR)
VLANs
STP/RSTP/MSTP
VTP
EtherChannel
Trunking
Layer-3 Switching
Palo Alto Firewalls
Check Point Firewalls
FortiGate Firewalls
Cisco FTD
Cisco ASA
IPS/IDS
Cisco ISE
Cisco ACS
Site-to-Site VPN
IPsec VPN
Remote Access VPN
AnyConnect SSL VPN
Clientless SSL VPN
Wireshark
Cisco ASDM
Cisco Security Manager
Cisco ACS
OTRS
Demisto
Accomplishments
- Successfully managed large-scale network infrastructure environments for Banking and Insurance sectors.
- Led Disaster Recovery drills ensuring business continuity readiness.
- Delivered critical network and security projects within timelines.
- Improved incident response efficiencies through SLA-focused operations.
- Managed security compliance and audit requirements across enterprise environments.
- Led cross-functional teams and vendor engagements for infrastructure operations.
Certification
Cisco Certified Internetwork Expert (CCIE Security - Written)
Timeline
Network Lead
Zurich Kotak General Insurance
10.2024 - Current
L3 Network & Security Engineer
L A Technologies
07.2023 - 10.2024
Team Lead - Security Incident Management
Nelito Systems Ltd
12.2021 - 01.2023