Sreehari Thottiyil
Senior Escalation Engineer, (Networking, Cloud)
Bangalore
Summary
Accomplished professional with more than a decade of hands-on experience in various Networking and cloud technologies
Possessing a deep understanding of network architecture, protocols, and troubleshooting methodologies, I have consistently demonstrated the ability to diagnose and address escalated issues efficiently.
Expert in analyzing and resolving network problems, ensuring minimal downtime and optimal performance across a wide range of networking technologies, including but not limited to routing, switching, firewalls, load balancers, and security appliances.
Passionate to stay updated of industry trends and advancements, I actively seek opportunities to enhance my skills and knowledge. T
With a customer-centric approach, I prioritize understanding the unique requirements and challenges of end-users, ensuring that solutions are tailored to meet their specific needs.
Areas of expertise/Skills: Load balancing, SDWAN,VPN solutions, AAA, Cloud, Virtualization, Routing Switching and Firewalls, Packet Analysis(Wireshark, Fiddler ,HAR, SAML).
Areas of Interest: Python Programming and Scripting, IT security, Network automation,SDN,Kubernetes.
Overview
10
10
years of professional experience
6
6
years of post-secondary education
5
5
Certifications
5
5
Languages
Work History
Senior Escalation Engineer(Networking, Cloud)
Citrix R&D(Cloud Software Group)
Bangalore
06.2018 - Current
- Develop a deep understanding about the customer business/technical needs to provide technical information,consulting and support
- Provide advanced troubleshooting techniques to provide unique solutions to our customers individual needs.
- Support enterprise customers in providing advanced technical support for networking and cloud operations and drive towards faster resolution following the SLA.
- Repro of customer issues and root cause analysis of the logs and traces using Citrix tools, Wireshark, Fiddler, SAML debugger etc
- Provide product training to Support teams and customers through Presentations,Webinars, community and public articles.
- Advanced experience in the following areas: Networking technologies (Load balancing,TCP/IP troubleshooting and optimization), VPN, IT security,Cloud networking,SDWAN
- Technologies handled: Citrix SDWAN - Virtual WAN, Citrix SDWAN - WAN Optimizer, Citrix Application Delivery Controller (GSLB, Loadbalancing, AAA, Content Switching), Citrix Gateway - (SSL VPN, ICA, CVPN), Citrix Application Delivery and Security, Citrix Cloud, Citrix Application Delivery Management, Citrix Web App Firewall, Citrix Virtual Apps and Desktops, IPSEC, GRE.
Senior Network Engineer
HCL Technologies
Bangalore
05.2017 - 06.2018
- Project: Cisco CMS Project
- Troubleshooting enterprise level network issues and replicating customer network issues to provide solutions, fixes, and workarounds to them in a timely manner by understanding customer requirements
- Working closely with Engineering & Development Team on critical Bug fixing and delivering appropriate solution to the Customers
- Handling Network issues on Campus, Branch, ATM, and Off-site locations
- Sound knowledge of routing protocols, switching protocols which help in troubleshooting and expediting solution
- Performing Software upgrade for Access Points, Controllers, Router, and Switches
- Technologies Handled: Cisco Routing and Switching(MPLS, BGP, OSPF, EGRP, RIP, STP, RSTP, MSTP, VTP, Private VLAN, EtherChannel, HSRP, VRRP, TCP/IP, UDP, IP Subnetting - VLSM/CIDR), Cisco Wireless Networking.
Network Engineer
Engage IT Services
Bangalore
01.2016 - 05.2017
- Remote management and monitoring of Network Operations 24
- NOC support to Large Global clients that have a distributed LAN, WAN setup
- Troubleshooting of complex LAN/WAN infrastructure, including routing, switching & Wireless devices
- Provide support for network connectivity or related network issues for the user community
- Analyze network activity and network problems to discover and prevent systematic errors
- Also, recommended network design changes/enhancements for improved systems availability and performance
- Provided single-point-of-contact resolution and dispatched ISP and network vendors to client repair sites
- Maintain seamless communication between the datacenter labs and customer premises using different VPN technologies
- Responsible for network Uptime, Hardware lifecycle, expansion planning and execution, Backup and Restoration of networking devices (Switches, Router, firewall, Access points etc.)
- Implementing security policies using ACL, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS)
- Upgrading and backups of Cisco router configuration files
- Configuration and troubleshooting end user VOIP systems like IP Phones, Cisco Jabber & Webex.
Technical Analyst
Concentrix Services India Ltd
Bangalore
04.2015 - 12.2015
- Serve as primary initial responder within the Network Operations Centre in identifying, troubleshooting, and resolving network problems
- Provide technical inputs for weekly/monthly customer service review reports
- Monitoring and performing blacklisting and whitelisting operations on Cisco Iron Port Email Security Appliance
- Provide technical support for all Windows servers and related technologies.
Quality Lead Engineer -Telecom
Siebenberg Technologies Pvt Ltd
Chennai
09.2013 - 09.2014
- Telecom company undertaking installation, integration and maintenance of 2G,3G,4G VoLTE and other telecom technologies
- Installation, maintenance, and configuration of network devices like Cisco routers and switches onsite
- Installation and Quality Testing of SAMSUNG 4G communication devices
- To follow up with field engineers and installation teams on standard installation practices
- To prepare quality audit records and reports
- Supervising Installation & Commissioning of Microwave and RF links
- Installation & Commissioning of IDEA MULTIPLEXER
- VSWR measurement and installation of TATA BTS.
Education
Bachelor of Technology - Electronics and communication engineering
Royal College of Engineering And Technology
Thrissur 06.2009 - 06.2013
Higher Secondary Education - Science Stream
MES College of Engineering Campus Senior Secondary School(CBSE)
Kuttipuram, Malappuram 06.2007 - 03.2009
Tenth Grade -
Bharathiya Vidya Bhavan
Nadakkavu, Malappuram 03.2007 - 03.2007
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Skills
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Certification
CCNP & CCNA (R&S) Certified : (Cisco ID : CSCO12750855)
Organizations
- Green citrites, 05/2018, Present
- Cisco green Warriors, 05/2017, 06/2018
- IEEE, 2010, 2013
Honor Awards
- Best performer award, 01/2019, 03/2019, Citrix R&D, Quarterly awards given for top performance per quarter evaluated on basis of KPIs.
- Best performer award, 10/2019, 12/2020, Citrix R&D
- Best performer award, 09/2021, Present, Citrix R&D
Timeline
Senior Escalation Engineer(Networking, Cloud)
Citrix R&D(Cloud Software Group)
06.2018 - Current
Senior Network Engineer
HCL Technologies
05.2017 - 06.2018
Network Engineer
Engage IT Services
01.2016 - 05.2017
Technical Analyst
Concentrix Services India Ltd
04.2015 - 12.2015
Quality Lead Engineer -Telecom
Siebenberg Technologies Pvt Ltd
09.2013 - 09.2014
Bachelor of Technology - Electronics and communication engineering
Royal College of Engineering And Technology
06.2009 - 06.2013
Higher Secondary Education - Science Stream
MES College of Engineering Campus Senior Secondary School(CBSE)
06.2007 - 03.2009
Tenth Grade -
Bharathiya Vidya Bhavan
03.2007 - 03.2007
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