Aftab Alam
Cork
Summary
Forward-thinking Network Engineer specializes in adapting business networks to emerging work realities. Provides secure connectivity for dispersed and cloud-based workforces through careful implementation of VPNs and user management tools. Builds large-scale, flexible networks designed to adapt to changing global business realities.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Sr Network Engineer
Tata Consultancy Services
05.2024 - Current
- Company Overview: Client: Apple Inc (Ireland - Cork)
- Configuration, Deployment and maintenance for the expansion or the new building / Floor for LAN, Wireless and LAB Network for different parts of Apple Offices.
- Designed and implemented security architectures for enterprise systems, ensuring compliance with industry standards.
- Collaborated with cross-functional teams to develop security policies and procedures, enhancing overall security posture.
- Managed incident response efforts, leading investigations and remediation of security breaches.
- Utilized security tools to monitor and analyze network traffic, identifying potential threats in real-time.
- Investigated and resolved hardware and software issues in LAN/WAN
- Palo Alto / Juniper Firewall for Corporate and 3rd Party network Setup and Policy Configuration best practice according to AIS approved standard.
- Migration of Palo Alto firewall from Juniper SRXs
- Integration of Palo Alto firewall with Panorama
- Enhanced mobile networks in a variety of markets including design implementation and troubleshooting
- HA Setup for Controllers for 5508 .5520 and C9800 Cisco Controllers
- TACACS Configuration for Controller and addition of devices into ISE for TACACS access
- Stack Configuration for CISCO 3850, Cat9300 , Cat9500 switches and VSS for 4500 series CISCO Switches
- OSI (Reference model), IP Sub-netting, CIDR, VLSM, and TCP/IP
- Configuration for routing protocols BGP, MPLS , OSPF, RIPV1, RIPV2, IGRP, EIGRP, VLAN, STP, VTP, HSRP, VRRP, ETHERCHANNEL.MSTP.ACL.NAT
- Knowledge of SDWAN implementation and onboarding the devices, Implementation of AAR , Policy Creation
Network Engineer
Tata Consultancy Services
04.2019 - 02.2024
- Company Overview: Client: Apple Inc (United Kingdom - London)
- Configuration, Deployment and maintenance for the expansion or the new building / Floor for LAN ,Wireless and LAB Network for different parts of Apple Offices
- Investigated and resolved hardware and software issues in LAN/WAN
- Palo Alto Firewall Setup and Policy Configuration
- Migration of Palo Alto firewall from Juniper SRXs
- Integration of Palo Alto firewall with Panaroma
- Enhanced mobile networks in a variety of markets including design implementation and troubleshooting
- Involved in design and configuration for CISCO Anchor Controller 8500 series at various locations for GUEST users network access
- HA Setup for Controllers for 5508 .5520 and C9800 Cisco Controllers
- TACACS Configuration for Controller and addition of devices into ISE for TACACS access
- Stack Configuration for CISCO 3850, Cat9300 switches and VSS for 4500 series CISCO Switches
- OSI (Reference model), IP Sub-netting, CIDR, VLSM, and TCP/IP
- Configuration for routing protocols BGP, OSPF, RIPV1, RIPV2, IGRP, EIGRP, VLAN, STP, VTP, HSRP, VRRP, ETHERCHANNEL.MSTP.ACL.NAT
- Client: Apple Inc (United Kingdom - London)
Network Support Engineer
Tata Consultancy Services
04.2011 - 12.2018
- Company Overview: Client: Apple Inc
- Providing network operational support for Apple retail Stores
- Configuration of Cisco WLC 5508 and deployment of wireless set up
- Configuration/troubleshooting Wireless Mesh environment
- HA (1+1) Configuration of WLCs
- Configuration/troubleshooting using wireless management tools like WLC (4400, 5500), WCS, NCS and Cisco Prime infrastructure
- Hands on experience in Cisco WLC, AP, WCS, AAA, 802.11
- Hands on in configuration and troubleshooting of wireless mess environment
- Wireless Security - WPA, WEP, 802.1x radius authentication, Web-authentication
- IEEE 802.11 standards (a, b, g), 802.1x Wi-Fi
- Work on IP support element like DHCP and ACS server
- IOS up gradation/Back up/restoration of WLC, AP
- Configuration SSO for AP and client failover
- 802.1Q Trunking
- OSI (Reference model), IP Sub-netting, CIDR, VLSM, and TCP/IP
- Cisco Routers (1800, 2500, 2600, 3600, 3800, 3900) and Cisco Switches (2950,2960,3550,3560,3750, 6509)
- Routing protocols BGP basics, OSPF, RIPV1, RIPV2, IGRP, EIGRP, VLAN, STP, VTP, HSRP, VRRP, and ETHERCHANNEL.MSTP.ACL.NAT
- Hands on Experience on Juniper Switches (EX3300 and EX4300)
- Hands on Experience on Juniper Firewall SRX240, CISCO ASA, Firepower, Palo Alto Firewalls
- Client: Apple Inc
Telecom/Wireless Engineer
Sasken Network Engineering Ltd.
04.2008 - 04.2011
- Company Overview: Client: Nokia Siemens Network
- Performed commissioning & Integration of Nokia BSC3i Base Station Controller (DX200 Platform Unix) FLEXIBSC, S13, S12
- Software Up-gradation of NOKIA Base Station controller from S11.5 to S14 , S14 to S15 ,CD upgrade in S12,S13,FLEXIBSC
- IP implementation of GPRS and OSS links
- Acceptance Testing viz
- Call, GPRS & Hardware testing of Network Elements
- Creation of SS7 at BSC end
- Base transceiver station Commissioning and integration
- Inter and Intra area calls testing and troubleshooting
- Configuration of Gb & OSS over IP with different switched in BSC
- Integration and commission of various communication equipment
- Migration of Nokia BSC from Nokia MSS to Ericsson MSS
- A-Interface Creation & Deletion
- Pool Deletion & Creation
- Rout set Creation
- Call testing
- Equipment Protection of Flexi BSC
- X.25 Modifications for OSS V5.2
- Troubleshooting of the BSC & BTS Problems
- Alarm Verification from sites and Monitoring of Critical alarms
- Provide technical support in BSS level like BTS commissioning, SW updating
- Cabinet expansions of the BTSs to meet the updated traffic plan and channel configurations
- Creating Cross-connections to through E1’s for the new sites
- Software Upgrades of BTS via NMS
- Provide technical support in BSS level like BTS commissioning, SW updating
- Responsible for all kind of technical activities in the BSS level
- Alarm Verification from sites and Monitoring of Critical alarms
- Analysis and Troubleshooting of Alarm for rectification
- Troubleshooting & Rectification of faults in the Network related to (ULTRA & FLEXI) BTS & Microwave Radios ( FLEXI HYBRID, Flexi Hopper)
- M/W Alignments for 0.3 mts,0.6 mts 1.2 mts & 1.8 mts
- Installations of M/W antennas of 0.3 mts,0.6 mts 1.2 mts & 1.8 mts
- Coverage optimization by Change in Antenna Power, Tilt, Type, Orientation and combination of some or all above
- Finding out the problem in a particular cell/sector
- Traffic shifting for site
- Shorting out issue of coverage
- Software up gradation of sites (ULTRA & FLEXI), & NOKIA transmission Equipments (FIQA,FIFA, FIPA, FXC RRI, FXC E1/T1, ODU) as per requirement and NOKIA recommendations
- Taking care of KPI (Key performance index) report
- Addition of 4th sector to the Ultra site BTS for coverage enhancement purposes in rural areas, & highways
- Implementation of M/W links (FIPA, FIFA, FXC-RRI, and FXC E1-T1) for connectivity of BTS sites
- Co-ordinate & manage to drive the contractor teams to achieve the targets with good quality and updating all sites reports with location-wise and collects status of BTS sites installation, integration, commissioning from sub-contractors
- Checking of BTS sites for proper installation work
- Ensuring quality work for new sites
- Responsible for introduction of innovative ideas of handling project related problems
- Client: Nokia Siemens Network
Education
Bachelor of Science - Electronics And Communication Engineering
Maulana Azad College of Engineering And Technology
Patna, Bihar , India12-2007
Skills
- Firewall management
- Firewalls and endpoint security
- Firewall security
- Vendor relationship management
- Internet protocol suite (TPC/IP)
- Network architecture design
- Wireless communication design
- Cisco switching expertise
- Network security systems
- IP address structure
- Enterprise wifi management
- Project management
- Information security technology
Certification
- Cisco Certified Network Professional (CCNP) - Cisco Systems.
- AWS Certified Solutions Architect – Associate - Amazon Web Services.
- Palo Alto Networks Certified Network Security Engineer (PCNSE) - Palo Alto Networks.
Timeline
Sr Network Engineer
Tata Consultancy Services
05.2024 - Current
Network Engineer
Tata Consultancy Services
04.2019 - 02.2024
Network Support Engineer
Tata Consultancy Services
04.2011 - 12.2018
Telecom/Wireless Engineer
Sasken Network Engineering Ltd.
04.2008 - 04.2011
Bachelor of Science - Electronics And Communication Engineering
Maulana Azad College of Engineering And Technology
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