Vishweswaran K
Technical Consultant - Network & Security
Summary
With 14 years of comprehensive experience in the Network & Security domain, I specialize in a broad range of network, cloud, and security products, including Cisco, Aruba (Wireless & Clearpass), Palo Alto, Checkpoint, F5, Fortinet, Azure, and AWS. My expertise, coupled with skills in Python automation and strategic project leadership, has driven substantial cost savings and efficiency improvements. I take pride in delivering innovative solutions that enhance global network operations. My collaborative approach and dedication to excellence have consistently enabled me to manage complex projects effectively and contribute to successful large-scale implementations.
I am seeking a challenging, growth-oriented position with a progressive company where I can contribute to the organization's success through my technical expertise and innovative ideas.
Overview
14
14
years of professional experience
9
9
years of post-secondary education
9
9
Certifications
Work History
Technical Consultant - Network & Security
Wipro Technologies
01.2023 - Current
- Lead Network Team: Oversee and manage the network team for a global semiconductor client, ensuring effective delivery of network solutions and services.
- Understand Business Needs: Engage with clients to understand their business requirements and provide tailored technical solutions that align with their network needs.
- Network Design: Develop high-level and low-level network designs for critical projects, ensuring robust and scalable architectures.
- Technical Support and Escalation: Offer advanced technical support and guidance to L2 and L3 teams for both network and security issues, including root cause analysis and resolution of complex problems.
- Budget Planning: Assist in budget planning for capital expenditures (CAPEX) and operational expenditures (OPEX), contributing to technology refresh initiatives.
- Network Evaluation: Regularly assess network infrastructure to identify vulnerabilities, threats, and risks, and implement necessary improvements.
- Secure Network Architectures: Design and implement secure network architectures, including firewalls, intrusion detection and prevention systems, and secure VPNs to protect against cyber threats.
Lead Network Administrator
Polus Tech Solutions Pte Ltd
07.2022 - 01.2023
- Working at Client location for Wipro (as a contractor) as Network Lead administrator handling global network operations and project support
- Design & Implementation of new projects in Cisco Routing, Switching, Security and wireless domain
- Migrated Client's Cisco Legacy wireless network to Aruba Wi-Fi6 Solution
- Proposing effecting solution with major cost savings to the customer
- Knowledge on NAC solutions Cisco ISE and Aruba ClearPass
- Knowledge on Cisco ASA, Palo Alto firewalls and Fortinet Proxy
- Knowledge on F5 LTM & GTM
- Knowledge on Cisco ACI & DNAC
- Python scripting for automating the routing tasks
- Azure Cloud environment support
Senior Network Specialist
Diageo
11.2019 - 07.2022
- SME for Cisco Wireless, Cisco ISE and Cisco DNA solution
- Part of Global Network Operations handling Escalation support
- Promoted to be a part in Enterprise Architecture team to provide Network design solutioning
- Major lead role in transforming Legacy wireless to Cisco Wi-Fi6 wireless
- Part of migration team to migrate Datacenter from Legacy Cisco switches to Cisco ACI Infrastructure
- Budgeting for the Network refresh every quarter basis and propose the new design for the network transition
- Ensured zero downtime wherever possible while network level changes or the migration
- Part of global approvers team for approving changes, new project's HLD & LLD
Technical Specialist
NTT Dimension Data
03.2016 - 11.2019
- SME & Team Lead for Cisco Networking (Wireless, NAC, Routing & Switching)
- Escalation point of contact for critical network issues
- Part of approver group for any network level changes, upgradation or migration
- Migrated site from Cisco to Meraki with SDWAN solution
- Part of project team worked on Design, Implementation and hyper care support
- Experience in Site survey using Airmagnet, Ekahau tools
Customer Support Engineer, Senior Project Engineer
Wipro Infotech Ltd
09.2010 - 03.2016
- Joined as a Customer Support Engineer in Wipro and promoted to Senior Project Engineer
- Served various roles starting from Field Support Engineer to Projects technical delivery & escalation handling as a Team Lead
- Installation and configuration of Cisco Router and switches. Installation and configuration of Cisco WLC & Access Points
- Knowledge of VLAN, STP, VTP and RSTP
- Knowledge of OSPF, EIGRP, BGP, IPV4 Redistribution.
- Trouble shooting Hardware and software related issues on Routers and switches
- Trouble shooting Hardware and software related issues on WLC and AP
Education
Master of Science - Systems Engineering
Bits Pilani
Rajastan, India 07.2014 - 07.2016
Bachelor of Science - Information Systems
Bits Pilani
Rajastan, India 07.2010 - 07.2014
Diploma in Computer Science - Information Technology
Ramakrishna Mission Polytechnic College
Chennai, India 07.2007 - 07.2010
Skills
Routing & Switching - Cisco, Aruba & Meraki
Datacenter - Cisco ACI
Wireless - Cisco, Aruba
Wireless Site Survey Tools (Airmagnet & Ekahau)
Firewalls (Palo Alto, Check Point, Fortinet & Cisco ASA)
SDWAN (Meraki, Velo Cloud, Cloud Genix)
NAC Solutions (Cisco ISE & Aruba ClearPass)
Network Monitoring (DNAC, Airwave & Solarwinds)
Automation (Python)
Cloud - Azure & AWS
Load Balancers - F5
Languages
English
Advanced (C1)
Tamil
Bilingual or Proficient (C2)
Kannada
Very Good
Hindi
Very Good
Certification
CCNA (R&S , Wireless)
Timeline
Technical Consultant - Network & Security
Wipro Technologies
01.2023 - Current
Lead Network Administrator
Polus Tech Solutions Pte Ltd
07.2022 - 01.2023
Senior Network Specialist
Diageo
11.2019 - 07.2022
Technical Specialist
NTT Dimension Data
03.2016 - 11.2019
Master of Science - Systems Engineering
Bits Pilani
07.2014 - 07.2016
Customer Support Engineer, Senior Project Engineer
Wipro Infotech Ltd
09.2010 - 03.2016
Bachelor of Science - Information Systems
Bits Pilani
07.2010 - 07.2014
Diploma in Computer Science - Information Technology
Ramakrishna Mission Polytechnic College
07.2007 - 07.2010
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