Objective

• A seasoned Network Engineer with over 16 years of experience in Information Technology industry. Worked with Citi Bank, Singapore for more than 10 years with their Global Network Core Infrastructure Services (NCIS) and Network Service Support (NSS) team. Moved to Salesforce, Singapore in April 2020 and joined with their Global Network Operations team. I have worked successfully in both operational technology groups and implementation groups. My overall experience has allowed me to work well in stressful environment and find solutions to problems even when faced with ambiguity.

Total Years of experience                             :  16 Years

Industry Certifications

• CCIE (Cisco Certified Internetwork Expert) R&S (Cleared written; pending lab)
• CCNP (Cisco Certified Network Professional)#CSCO11134948
• CCNP (Cisco Certified Network Professional) Enterprise # CSCO11134948
• Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation 
• Cisco Certified Specialist - Enterprise Core #CSCO11134948
• CCNA (Cisco Certified Network Associate) #CSCO11134948
• CCA-NS10 (Citrix Certified Administrator for Netscaler 10)#CTX579881
• CCP-N (Citrix Certified Professional- Networking)#CTX579881
• JNCIA (Juniper Network Certified Internet Associate)#JPR154696
• MCSE (Microsoft Certified Systems Engineer)#3369742
  
• MCSA (Microsoft Certified Systems Administrator)-Messaging# 3369742
• MCTS (Microsoft Certified Technology Specialist)-Web technologies
• MCTS (Microsoft Certified Technology Specialist)-Database
• MCP (Microsoft Certified Professional) # MCP ID: 3369742
  
• RHCE (Red Hat Certified Engineer) # 803005646415277
  
• ACCEL Certified Computer Hardware and Network Engineer
• IPv6 Forum Gold Certified Engineer
  
• ETA Certified Fiber Optics Installer
• CCIP (Cisco Certified Internetwork Professional-Cleared QoS)-track killed

Professional Experience

Salesforce April 2020 to till date
Sr. Network Engineer with Salesforce Global Network Operations team Singapore


CITI BANK Jan 2018 to April 2020
Infrastructure Senior Tech Analyst (Asst. Vice President) Singapore
[Level 3 Technical Support with Network Services Support (NSS) Team]
Network Consists of around 44,000 network devices (Routers, Switches, Load Balancers, Wireless controllers& APs spread across 112 countries (Asia Pacific, Europe, Latin America& North America)

• Resolving high severity production issues within stringent SLA
• Giving 4^th level support for all the operational issues related to Routing and Switching (Cisco/Juniper/Arista), Load Balancers and GSLB (F5 and Citrix), Web accelerators (Riverbed), DNS, DHCP etc.
• Configuring and troubleshooting issues related to Cisco Wireless network infra (Cisco Prime, Wireless controllers and Access Points)
• Raising changes for pilot upgrade projects and implementing the pilot projects to ensure that the pilot OS code is bug free before it can be certified for production
• Addressing the underlying design related issues within Citigroup intranet under proper change. 
• Report the vulnerabilities and bugs to respective team and vendors and perform timely follow-ups to get resolution and raising network change to implement the bug fix on all affected platforms
• Perform root cause analysis for the issues encountered in the past and take necessary actions to prevent such issues from happening again if the cause is found to be in network
• Reviewing the network changes raised by Operations and network build/delivery teams for approval
• Packet capture analysis and diagnostic work
• Handling the escalations coming from level 0, 1 and 2 teams and taking the ownership of the ticket and driving it till the resolution.
• Joining ISP threat calls and take necessary preventive actions to block the attacks including, but not limited to DDoS

CITI BANK Sep 2016 to Dec 2017
Sr. Infrastructure Tech Analyst (Manager) Singapore
[Shift manager for the Global Network Core Infrastructure Services (NCIS) Team that handle the breakfix support for Citi ASPAC, EMEA, NAM, LATAM, JAPAN and Australia)
Network Consists of around 44,000 network devices (Routers, Switches, Load Balancers, Wireless controllers& APs spread across 112 countries (Asia Pacific, Europe, Latin America& North America)

• Actively participate in Network outage calls and lead network level troubleshooting until the issue is resolved.
• Break fix support for Cisco/Juniper Routers, Switches, Wireless Control System, Wireless Controllers, Access Points, Load Balancers (F5& Citrix)& Riverbed web accelerators etc...
• Troubleshooting issues related to routing and switching, Load Balancers, DNS and DHCP.
• Performing root cause analysis on various network level issues and providing solutions to the customers in order to prevent the reoccurrence of such incidents.
• Coordinate with regional network engineering and telco to raise network level changes.
• Handling escalations from level 0 and level 1 teams and assigning them to proper queues.
• Giving management level updates on high severity incident tickets

CITI BANK                                                                                                               Oct 2013 to Aug 2016
Infrastructure Analyst (Ass. Manager) Singapore               
Network Consists of around 44,000 network devices (Routers, Switches, Load Balancers, Wireless controllers& APs spread across 112 countries (Asia Pacific, Europe, Latin America& North America)

• Implementing Network RFCs in coordination with regional engineering& telco(Including Network work changes in Citi Data Centers, Trade floors, branches, cross border circuits, MPLS links, Third party links connected with Citigroup etc...)
• Configuration, testing and troubleshooting of Cisco/Juniper Routers, Switches, Wireless Control System, Wireless Controllers, Access Points, Load Balancers (F5& Citrix)& Riverbed web accelerators etc...
• Implement DNS requests (CNAME, Round Robin, A-Record, Reverse Lookup,DHCP templates etc...)
• Migration of branch/data center/teir 1/2/3 devices into Citi managed network
• Write scripts to automate the network changes
• IP Allocation for SAs& Regional Network team
• Actively participate on Network/Server COB scenarios upon requirement
  

Arouba Technologies Pvt. Ltd (Vasco International Corporation USA)                  May 2007 to Jan2010     IT Manager                                                                                                             Kochi~Hyderabad

Overall responsibility for anything having to do with telecommunications, computers and Security systems-for the below firms

Arouba Technologies Pvt. Ltd (Vasco International Corporation USA)
Learning Scholars
Sanathan Developers
VMSciences
Vasco Scientifics

•  Installing, Configuring, Maintaining and troubleshooting of Routers, Switches and other enterprise level network hardware
• Managing and configuring of Cisco VOIP boxes, Call Manager and Wireless Routers
• Network Monitoring and troubleshooting
• Supported company LAN, design lab, remote access, VPN services and worker areas
• Deploy and maintain wireless network infrastructure
• Coordinate with Windows and Unix team; provide effective IP address allocations for new servers in production environment
• Maintaining the VPN connections to Head Office and Branch offices.
• Configuring and maintaining of Mail Servers, Web Server, File Servers, FTP Servers& Print Server
• Installation and configuration of various video conferencing software
•  Provide technical solutions to customers in timely manner and handling customer trouble tickets.
• Designing and implementing new network infrastructure for new branches.
• Overall responsibility for anything having to do with telecommunications, computers and Security systems.
• Giving Remote support to clients in USA, Canada and UAE
  

 
Creative Systems                                                                                                         May2006 to April 2007  Network Administrator                                                                                             Kochi, India

• Provide day to day support for internal network/WAN infrastructure and connectivity requirements
• Support Project team in Integrating various Network Management Systems into the Network operation and Management
• Assign proper security for the Servers and Office LAN
• Hosting of Servers upon client’s requirement and maintaining office LAN
  

Communication Links                                                                                          March 2005 to April 2006
Network Engineer             Kochi, India                                                                                                      

•  Incident management of Network
• Installing and configuring G703 Routers, VPN Boxes, Leased line routers, ISDN routers and L2/L3 switches
• Installation and configuration of NAC (Network Access Controller) at Banks.
• Configuring the point to point links and VPN connections between the Head Office and branch offices.
•  Introduced technical security solutions to clients that reduced their exposure while improving bottom-line performance
• Provide technical solutions to customers in timely manner
• Configuration of VOIP Phones

Educational Qualification

·        BSc. Electronics and Computer Hardware – School of Technology and Applied Sciences  (STAS),  Mahatma Gandhi University, Kerala, India
·        Pre Degree (Science) – Mahatma Gandhi University, Kerala, India.
·        Diploma in Electronics - National Electronics, Kochi

Strengths include

• Good presentation, spoken and written skills developed over time, during my formative years
• Dealing with people is my strength
• Leadership and motivation
• Ability to achieve high customer satisfaction
• Ability to articulate and compare alternatives and approaches

 Activities

• B-Certificate holder – National Cadet Corps (NCC)
• Was active in College Football team, Cricket team and Chess
• Was member in Kerala Wushu Team
• Black belt holder in Kung Fu& Wushu
• Blue belt holder in Karate
• Was Member in C.V.N Kalari and student of the legend Late. Vasudevan Gurukkal
• Was a Personal Trainer: Kung-Fu, Wushu and Tai-Chi
• Member in the Judges panel of All Kerala Wushu Championship held in 2005
• Got Bronze medal in All Kerala Wushu fighting Championship (full contact)
• Chess men's champion (metriculation)