SHAIK MOHAMMED KHALEEMUDDIN
Network Security Administrator
Summary
Seasoned professional with over 5 years of experience in Network Security, Troubleshooting, and Managing large-scale enterprise networks. Skilled in Configuration and Support of LAN protocols on Cisco Switches including Layer 2, 3 & Multi-Layer. Extensive hands-on experience with Cisco Firewalls such as ASA (5540/5550), FTD, FMC Firewalls, and FortiGate firewalls. Proficient in implementing Security Policies using ACL, Firewall IPsec, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS). Experienced in monitoring Cisco Meraki Network, HP Aruba Switch, Palo Alto Firewalls (Model 820 & 450) and configuring/installing/maintaining Cisco ASA, FTD, FMC, and FortiGate. Skilled in rule coding, analyzing logs on Cisco ASA firewall and FortiGate Firewalls, as well as configuring and troubleshooting them. Proven track record in firewall Migration activities from planning to optimization of network requirements and configuring VPN tunnels on firewalls for AWS accounts.
Overview
5
5
years of professional experience
2016
2016
years of post-secondary education
4
4
Certifications
4
4
Languages
Work History
L2 Network Security Administrator
MICROLAND PVT.LTD.
11.2023 - 07.2024
- Troubleshoot and resolve issues with Customer’s Network Infrastructure through tickets.
- Monitoring Cisco Meraki Network, HP Aruba Switch, Palo Alto Firewalls (Model 820 & 450)
- Checking wireless connectivity with Aruba, Meraki and also looking at data flow.
- Looking at DHCP environment with static routing, DNS configurations etc.
- Used SD-WAN Technology in Network Architecture for higher performance and increased security.
- Monitoring Tool: SolarWinds
- Ticketing Tool: Servicenow, SMC
- Environment: Meraki Switches, Aruba Switch, Palo Alto Firewalls, ISP’s etc.
L1 & L2 Network Engineer
Programmr Technologies Pvt.Ltd.
07.2019 - 11.2023
- Troubleshoot and resolve issues with Customer’s Network Infrastructure through tickets.
- Have worked on EBGP & IBGP protocol.
- Troubleshooting on OSPF, HSRP, VRRP.
- Code up-gradation on Firewalls, Routers and switches.
- Experience in deployment & migration of Advanced Routing protocols (BGP, OSPF & EIGRP).
- Configuration and Troubleshooting of Various Network Protocols related to Routing, Switching, ASA Firewalls and LBs.
- Monitoring, troubleshooting & fine-tuning switches, routers.
- Network LAN, WAN, LINK Monitoring.
- Roles and Responsibilities:
- Working into 24/7 Environment currently as Network Engineer.
- Implementing Site to Site VPNS, MPLS VPNS.
- Configured Site to Site VPNs, Configuring VPN peer changes, Backup VPN, as per the Customer requirement.
- Ability to understand and troubleshoot various network problems using utilities like ns lookup, trace route, ping, net-stat etc.
- Solid understanding and troubleshooting skills in IPSEC VPN technologies, High Availability (HA).
- Creating Users in AnyConnect VPN, Configuring Cisco AnyConnect VPN.
- Configuring Policies, Vdoms, and rules in Fortinet Firewall.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
- Need to Monitor the Network devices and look for root cause if any device goes down.
- Managing Customer Network Security to the Network devices located at Customer Environment.
- Configured IP, EIGRP and OSPF in routers.
- Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
Education
Master of Business Administration -
Bharath University
Chennai, Tamil NaduB.Tech - Electronics and Communication Engineering
JNTU
Anantapur, Andhra PradeshSkills
Cisco ASA
Certification
Cisco Certified Network Associate (CCNA)
Tools
Zabbix, Science Logic, Wireshark, Solarwind, IssuTrak, Servicenow, SMC, NCM tool, SDNS Server for Internal Domain, Cisco AnyConnect VPN, Appgate, Cisco ASA Firewalls, FTD, FMC, FortiGate Firewalls, Palo Alto Firewalls, Citrix NetScaler
Documentation
- MS Office
- MS Visio
- MS One Note
- Adobe Acrobat
- Reader
Key Skills
Cisco ASA, FTD, FMC, Firewalls (7k, 5k and 3k), PIX Firewalls (506/515/525/535), ASA Firewall (5505/5510), FortiGate Firewalls, Palo Alto Firewalls (820/450), RIP, IGRP, EIGRP, OSPF, BGP, HSRP, VRRP, GLBP, NCM, Wireshark, NAT/PAT, Ingress & Egress Firewall Design, VPN Configuration, Dynamic, Reflexive ACL, authentication AAA (TACACS+ & RADIUS)
Timeline
L2 Network Security Administrator
MICROLAND PVT.LTD.
11.2023 - 07.2024
L1 & L2 Network Engineer
Programmr Technologies Pvt.Ltd.
07.2019 - 11.2023
B.Tech - Electronics and Communication Engineering
JNTU
Master of Business Administration -
Bharath University
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