Apr 2018 – Jun 2019 · 1 yr 2 mos · Melbourne, Australia

Dec 2017 – Apr 2018 · 4 mos · Melbourne, Australia

• Designed, Implemented and Maintained IPsec VPN tunnels with external vendors.
• Configured and maintained Cisco PIX/ASA Firewalls, Checkpoint firewall, F5 Load Balancer, Cisco Routers and Switches.
• Designed a network layout for migration of Checkpoint firewalls to Palo Alto firewalls.
• Reviewed and modified access control lists (ACLs) on Routers and Firewalls equipment as needed to maintain security standards.
• Conducted employee education programs and training on data security.
• Recommended changes in network and its security when required and implemented design changes.
• Monitored working of network and security arrangements.
• Documented all updates and designs prepared for network.

Jan 2015 – Aug 2017 · 2 yrs 7 mos · Gurgaon, India

• Work for Cisco Technical Assistance Center (TAC)
• Typically, direct communication with Customers, Partners, Global Delivery Partners, Field personals and Internal engineering departments.
• Work on complex network issues on Cisco Firewall and VPN technologies.
• Assist global customers remotely through Cisco WebEx in configuring and troubleshooting VPN technology.
• Handle escalated calls.
• Interacting with network administrators and engineers around the globe and helping to implement their projects in network security domain.
• Working as a Security-VPN Engineer, handling products like, ASA (5500x Series), Routers (800, 1800, 2800 etc.), ASR, Switches, CISCO ACS
• Handling escalations of Tier 1 center, and working directly with Tier 2 escalation team/Developers in case complex troubleshooting is required
• Delivering training on new keywords and mentoring the set of skills to bring the team to the same learning curve
• Have resolved 3100+ TAC service requests
• Have worked on U.S Department of defence (DOD), NASA, IBM, Microsoft, Shell, CITI and other organization’s huge & complex setup and have successfully implemented/resolved their networking issues
• Recreate issues faced by customers in my testing LAB whenever required on cases and filed bugs/caveats if found
• Suggest clients in designing and improving their network’s security
• Coordinate with other technology vendors like Microsoft, Checkpoint, Sonicwall, Juniper, Watchgaurd, Amazon, etc to resolve client’s issue(s) and design their networks properly
• Gained fair knowledge of other vendor’s security products like Checkpoint, Palo Alto, Juniper and Sonicwall while troubleshooting issues. i.e VPN (scenario where a Site to Site VPN tunnel is established between Cisco and other devices)
• Troubleshooting customer issues related to Firewalls, VPN (IPSec & SSL), AAA & PKI.
• Took in house CCNA, CCNP Security, VPN, TCP/IP training batches of new hires.

Mar 2012 – Jan 2015 · 2 yrs 10 mos · Mohali, Chandigarh

• Monitoring and managing network resources using Wireshark and NetFlow Analyzer for optimal Network Performance.
• Documentation of all the work done using Excel and MS word.
• Designing, Implementing, Testing and Monitoring in improving Network's Security.
• Defined policies, NAT and anti-spoofing for internal, external networks as well as Internet gateways.
• Managing Active Directory, DNS and DHCP servers on Windows Server 2K8 Platform.
• Identifying the severity of the alarm and escalating it to the persons concerned from the Escalation Matrix.
• Supporting the On Site Engineers in different locations for resolving the issues related to Routing, Switching and Security.
• Analysing, developing, interpreting, evaluating and troubleshooting complex problem's related to VPN.
• Comprehensive understanding of networking concepts pertaining to LAN and WAN, ISP, IT communication, Security and maintenance in multi-platform environments.

Dec 2010 – Feb 2012 · 1 yr 2 mos · Mohali, Chandigarh

• Successfully provided technical support to US based customers & resolves technical software issues.
• Proficiently supported floor team in the absence of SME/Team Manager.
• Resolved users concern and escalated complicated support issues to senior helpdesk representatives.
• Outperformed peers by maintaining outstanding record of technical support service, resolving 95% of all trouble tickets without escalation to senior specialists.
• Competently enhanced security & performance systems by executing installation of security suite software and critical firmware upgrades.
• Attained time reduction in troubleshooting through remote access tool to determine issues.
• Distinguished role in reducing call back rate by ensuring accurate assessment of root causes of technical issues, development & execution of apt solutions.