PARTHASARATHY A
Chennai
Summary
Expert network security specialist with extensive experience at Tata Consultancy Services, focusing on Cisco ACI, Check Point, ASA firewalls, and F5 LTM.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Assistant Consultant
Tata Consultancy Services
Chennai
07.2021 - Current
- Configured Check Point Firewalls to enforce security policies and enhance network protection.
- Diagnosed firewall-related issues, effectively minimizing network disruptions
- Implemented Cisco ACI fabrics and APIC controllers in Spine-Leaf architecture for new data centers.
- Provided troubleshooting for ACI fabric, focusing on endpoint learning and policy enforcement.
- Monitored ACI fabric health, promptly diagnosing connectivity issues.
Senior Consultant – Infrastructure Management
Infosys Limited
08.2018 - 07.2021
- Company Overview: One of the Luxury retailers in US
- Providing Network Support to the customer for the migration of Applications to Cloud and Colocation.
- Responsible for discovering the network requirements such as firewall rules and F5 Virtual Servers in the current data center for application migration.
- Build of new vCMP guests in F5 VIPRION chassis.
- Configure basic networking, self ips, VLAN required for the adding F5 vCMPs in to the network.
- Configure HA and provisioning LTM.
- Configure Virtual Servers, Pools, nodes, Health monitor, iRules, SSL profiles according to the requirement.
- Implementing policies in Checkpoint, Palo Alto and Cisco ASA firewalls.
- Involving in troubleshooting calls with application team to fix firewall, F5 LTM related issues.
- One of the Luxury retailers in US
Senior Administrator-Network & Security
Microland Limited
02.2016 - 08.2018
- Managed 60K network devices, including routers, switches, firewalls, and load balancers across global data centers.
- Oversaw network change team responsible for all GE Network modifications.
- Configured and troubleshot routing and switching for Hub and Spoke sites, including firewall and load balancer changes.
- Conducted routing modifications, such as EIGRP path adjustments, BGP updates, site failover testing, and VLAN alterations.
- Upgraded IOS for routers, switches, wireless controllers, and supervisor engines per GE standards.
- Established third-party connectivity with vendors, including VPNs and cryptographic measures.
- Executed firewall changes by creating and deleting access and NAT rules to facilitate resource access.
- Troubleshot NAT and PAT issues between company and third-party networks.
Network Security Admin L2
Adecco India (C2H Wipro InfoTech)
08.2015 - 02.2016
- Configured and maintained L3 branch devices with MPLS links at central site.
- Troubleshot remote routers, switches, wireless, and networking products.
- Configured Cisco Switches 3750, 3550, 3560, 2960, and 2350 series.
- Implemented switching features such as VLAN, VTP, EtherChannel, and HSRP on switches.
- Established stacking configurations on switches for enhanced performance.
- Created policies in FortiGate Firewall based on security requirements.
- Managed and supported CE routers in HUB and spoke locations.
- Monitored bandwidth and network performance, generating utilization reports.
Senior Network Administrator
3i-infotech ltd
Bangalore
04.2013 - 08.2015
- Configured and maintained data center and remote devices with MPLS links effectively.
- Configured and resolved issues on Cisco Switches 6509, 4506, 3750, 3550, 3560, 2960, and 2350 series.
- Implemented switching features including VLANs, VTP, access/trunk ports, EtherChannel, LACP, PAGP, HSRP, and STP.
- Executed switch hardening techniques such as port fast, DHCP snooping, BPDU guard, root guard, loop guard, and port security.
- Configured stacking on switches to enhance network performance.
- Managed FortiGate firewalls by configuring access-lists, NAT, PAT, and VPNs.
- Coordinated with ISP to maintain network links while troubleshooting basic MPLS network issues.
Technical Support Executive
Revenue med India Pvt LTD (Navigant Health Care)
Nagercoil
12.2010 - 04.2013
- Company Overview: www.revenuemed.com
- Handling Of Cisco Routers 1800/2800 and Switches 2950/2960.
- Experience in working with Static routing and BGP enabled Edge Routers.
- Experience in configuring Soft phones, IP Phones, Polycom.
- Taking IOS backup and Restoration of Routers and switches using TFTP.
- Experience in service provider coordination for incident creation and escalation.
- Performed tasks without escalation and actively take part in shift handover and take over.
- Configuring VLAN, VTP and dot1q trunk encapsulation on uplink.
- Handled network monitoring Tools like PRTG, Cacti.
- Coordinating with NOC and ISP for resolving network related link issues.
- Maintaining ITIL process for incident management and change management.
- For any priority base issue like P1 & P2 within 15 min find out the issues and share the required logs and escalate to client if required.
- Doing VLAN change as per the user request and enabling those ports.
- Maintaining Network devices Asset details properly.
- Preparing Daily base check list and closing NOC ticket like CPU utilization, Memory Utilization.
- Www.revenuemed.com
Education
B.E. - Computer Science & Engineering
CSI, Institute of Technology
Thovalai01.2009
Diploma - Information Technology
Kamaraj Polytechnic College
Tamil Nadu01.2006
SSLC -
Scott Christian Higher Secondary School
Nagercoil01.2001
Skills
- Checkpoint and Palo Alto firewalls
- Cisco ASA and Nexus switches
- F5 LTM and Citrix GSLB
- Firewall configuration and management
- Cisco ACI implementation
- Network troubleshooting and routing
- Virtual server management
- Team collaboration
- Client relationship management
- Project management
Certification
- CCNA, CSCO12966866, Expired
- CCNP (Routing & Switching), Course Completed
Languages
- English
- Tamil
Disclaimer
I hereby declare that the above written particulars are true to the best of my knowledge and belief.
Technical Skills
Checkpoint Firewalls, Palo Alto Firewalls, Cisco ASA Firewalls, F5 LTM (Local Traffic Manager), Cisco Nexus 9000 switches, Arista Switches, Citrix GSLB (Global Server Load Balancing)
Personal Information
- Father's Name: S Arumuga Perumal
- Date of Birth: 07/02/86
- Nationality: Indian
Languages
Tamil
First Language
English
Proficient (C2)
C2
Timeline
Assistant Consultant
Tata Consultancy Services
07.2021 - Current
Senior Consultant – Infrastructure Management
Infosys Limited
08.2018 - 07.2021
Senior Administrator-Network & Security
Microland Limited
02.2016 - 08.2018
Network Security Admin L2
Adecco India (C2H Wipro InfoTech)
08.2015 - 02.2016
Senior Network Administrator
3i-infotech ltd
04.2013 - 08.2015
Technical Support Executive
Revenue med India Pvt LTD (Navigant Health Care)
12.2010 - 04.2013
B.E. - Computer Science & Engineering
CSI, Institute of Technology
Diploma - Information Technology
Kamaraj Polytechnic College
SSLC -
Scott Christian Higher Secondary School