SAJJAD ZAHIR ALI Khan
Kalyan
Summary
Experienced Network and Security Administrator with a comprehensive background in managing network security systems. Strong understanding of threat mitigation, network architecture, and infrastructure security protocols. Known for strategic problem-solving skills and ability to enhance systems efficiency. Proven track record in improving overall network functionality and implementing robust cybersecurity measures.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Network and Security Administrator L2
DXC technologies
05.2010 - Current
- Ensured smooth operation through configuration, upgrade, and management of Cisco ASA Firewall 5585-X SSP 20.
- Served as an expert in configuring Cisco ASA 5585-X SSP 20, resolving issues through rule implementation.
- Successfully configured upgrades and managed a variety of Checkpoint firewall versions including 4607 - SPLAT R71.40, Gaia R77.30, and R80. Utilized smart console to create rules, update licenses and contracts for effective troubleshooting.
- Creating rules on Juniper firewall (SRX240h) and troubleshooting
- Configuration, up-gradation of FortiOS & Management of Fortinet firewall (Fortinet 200B), creating rules and troubleshooting
- Configuration, up-gradation of software & Management of Cisco IPS & IDS (4200 series) and updating signatures on periodical update releases
- Configuring and Troubleshooting Cisco Routers like Cisco 1800,1900, 2800, 3800, 7200, 7600 series, and Catalyst Switches like 2650, 2950, 2960, 3650, 4500, 6500 series; HP ProCurve routers like 7102dl, 3-COM MSR and ProCurve switches like 2910AL, 2510AL, E5412; Nexus 5K, 6K, 7K, 9K series switches
- Upgrading the firmware of all the network devices like firewalls, routers, switches, IPS & IDS, etc of Bank of Baroda as a part of patching activity periodically
- Maintaining load balancers like Array Networks, Radware, F5 Big IP installed in Bank of Baroda data center
- Configuring and Troubleshooting VOIP Phones and upgrading firmware of their respective models like Cisco 7902, 7906, 7911, 6921, 7940, 7960 series by using Cisco MCS 7800 Call manager Subscriber
- Performing DC-DR Cutover & Cutback from network end as a periodical maintenance activity
- Troubleshooting Data center level network related issues and meeting their SLA
- Troubleshooting network related issues of all the Bank of Baroda branches (Domestic & International)
- Integrating onsite and offsite ATMs of Bank of Baroda into network and troubleshooting their network related issues
- Network performance analysis
- Raising tickets in HP Service Manager (SMAX) and resolving tickets, RFCs raised by clients, executing them, meeting their SLA.
Education
DIPLOMA IN ELECTRONICS & VIDEO ENGG. -
REI Polytechnic - Grant Road, Mumbai
Skills
- Cisco Firepower
- Cisco ASA firewall
- Juniper SRX firewall
- CheckPoint firewall
- Fortinet firewall
- IPS appliances
- Cisco 7609
- ASR 1001
- 7507
- 3845
- 2851
- 2811
- 1941
- 1921
- 1841
- 1760 routers
- HP Procurve 7102dl
- 3COM MSR H3C routers
- Catalyst 6512
- 4507
- 3560
- 2960
- 2950
- HP Procurve 5900af
- 5920-al
- 5412
- 2610
- 2620
- 2910-al switches
- Cisco Nexus 9000
- 7000
- 6000
- 5000 series switches
- Cisco ACS server 1113
- BGP
- OSPF
- STP
- VTP
- HSRP
- GLBP
- VRRP
- VOIP Phones
- CCM
- Hardware installation of network devices
- Cisco IPS & IDS (4200)
- Replacement of their faulty modules
- Network Security Management
- Incident Response
- Patch management
- Network Security
- Disaster Recovery
- Teamwork and Collaboration
Certification
- A+ from Novell.
- CCNA Route & Switch.
- CCNP Route and Switch
References available
True
Disclaimer
I declare that the information given above is true to the best of my knowledge.
Timeline
Network and Security Administrator L2
DXC technologies
05.2010 - Current
DIPLOMA IN ELECTRONICS & VIDEO ENGG. -
REI Polytechnic - Grant Road, Mumbai
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