TUSHANK TEWARI
Technical Solution Expert (VPO)
Noida
Summary
Enthusiastic Network Engineer with a proven ability to resolve complex networking issues. Demonstrates effective organizational skills and possesses extensive knowledge of networking technologies. Committed to staying current with the latest industry developments and advancements.
Overview
10
10
years of professional experience
3
3
Certifications
Work History
Technical Solution Expert (VPO)
Orange Business Services
12.2022 - Current
- Configured, deployed, and managed Cisco wireless LAN controllers and access points to ensure optimal network performance
- Developed and executed detailed network design and implementation plans for Cisco 9800 series wireless controllers
- Configured Cisco 9800 series controllers, including SSIDs, security settings, VLANs, and RF profiles
- Led the staging and deployment of Juniper Mist solutions, ensuring minimal disruption to existing network operations
- Executed the migration process, including configuration backups, software upgrades, and device reconfiguration
- Troubleshot and resolved complex wireless networking issues, including interference, coverage gaps, and connectivity problems
- Performed regular firmware and software upgrades on Cisco wireless devices to ensure network reliability and security
- Collaborated with cross-functional teams to integrate wireless network solutions with other network infrastructure components
- Utilized tools like Cisco Prime Infrastructure and Wireless LAN Controller dashboards for monitoring and troubleshooting.
Consultant (Cisco TAC - Wireless)
Capgemini
01.2022 - 11.2022
- Configure, troubleshoot & support Cisco Controller (2500 ,3500, 5500, 8500 series and 9800-L)
- Configure, troubleshoot & support Cisco AP (1560,1570,1800,2800,3700,3800,4800) Troubleshooting client connection, authentication, disconnection issues
- Advanced features like Flex-connect, Anchor mobility, Webauth, High availability, QOS, AVC and Clean air
- Configuring and troubleshooting Layer2 and Layer3 Authentications like dot1x, CWA and Web- authentication
- 802.11b/g/n, 802.11 a/n and 802.11ac wireless implementations, configuration
- Configuring and Troubleshooting Mobility Express Wireless Controllers
Incident Management Professional
British Telecom
08.2019 - 12.2021
- Work as part of the Incident Management team to ensure that the performance of the team achieves the defined performance targets and KPI’s
- Manage incident management bridge calls with support teams, on-call support application teams and management
- Manage team resources effectively to ensure appropriate resources are available at all times
- Escalate incidents at risk of breaching Service Level Agreement with the respective coordinator
- Ensure outages are promptly communicated with exceptional quality
- Acting as single point of contact for customer’s service desk and IT management
- Performing incident investigation diagnosis and resolution
- Providing support to customer on LAN & WAN issues
- Troubleshooting on routing, switching, wireless and SDWAN issues
- Engaging supplier for WAN link related issue and also escalate by peer to peer escalation
- Carry out regular checks to ensure correct operation of the network
- Proactive network management to insure that incidents are identified early so that measures are taken to ensure that problems are resolved
- Conducting customer/user satisfaction call-backs as agreed
- Manage, create and maintain knowledge management articles, communicating new knowledge base articles.
Onsite Network & Security Engineer
Hi Tech Informatics Pvt Ltd.
01.2017 - 08.2019
- Hold full accountability for 24x7 operational management and network support to BSNL Data Center
- Configuration and installation of Avaya Ethernet Routing Switch 8010, Avaya Nortel Switched Firewall 5016, Radware Alteon 3408E, Nortel Switched Firewall Accelerator, HP 2610 Switch
- Identified and created disaster recovery plans for the customer
- Hands on experience in CheckpointR65 and CheckpointR77 firewall
- Implementation of firewall policies to provide controlled access to network resources
- Implemented cleanup rule and stealth rule to capture log of drop packets and unauthorized access
- Resolving issues within Nortel and Radware application switch
- Working on troubleshooting of complex LAN/WAN infrastructure
- Monthly report generation for Network and security components
- Worked with the vendors (Radware and Avaya) on escalated cases
- Experience in working in an operation oriented team and environment
- Providing remote support to multiple customers of IBM.
Onsite Network Engineer
HCL Comnet Ltd.
04.2015 - 01.2017
- Responsibilities to provide first level (L-1) support in Delhi for Punjab National Bank’s Branches & ATM that include handling of corporate leased line like ISDN, BRI, RF, VSAT
- Configuration and installation of HP, Cisco Routers 1841, 1941 series and Cisco Catalyst Switch 29XX series
- Commissioning of MPLS, leased line, ISDN Line and VSAT & RF Links
- Providing on call technical support to customer for all types of network complaints
- Resolving issues within Switches and routers
- Managing vendors and other service providers (Airtel, Sify, Hughes, HCL & MTNL/BSNL)
- Handle customer call for network connectivity problems within Router and Switch
- Handling 25+ field engineers and aligning them to visit the PNB branches and ATM’s to resolve critical connectivity issue and remotely guide them for local site operations
- Associating for Configuration & Migration of Point-to- Point PNB network to MPLS Network of Service Provider (MTNL) in co-ordination with MTNL MPLS Network management Team
- Coordinating with project team for new project implementation of circuits
- Update/maintain and prepare daily, monthly, quarterly call analysis report/logs of multiple sites on any operational or support failure under Network Centre
- Working in coordination with other Network Data Centre for any issue related with network security and applications
- Making MIS Data & AMC Report & other call log report.
Engineer (Core Network-NOC)
Nextra Teleservices Pvt.Ltd.
08.2014 - 01.2015
- Working as broadband NOC engineer for monitoring of network, testing of broadband lines/services/routers
- Configuring home segment modems
- Providing on call and remote support to the customers
- Communicating with customers for resolving their WiFi/Wired modems/router settings and other broadband/internet relates issue.
Education
B.Tech in Electronics & Communication Engineering -
Uttaranchal Institute Of Technology (Dehradun) Uttarakhand
HSC (12th Class) - undefined
St. Theresa Sr. Sec. School (Kathgodam) Uttarakhand
SSLC (10th Class) - undefined
St.Joseph’s College (Nainital) Uttarakhand
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Skills
Cisco Controller 2500 ,3500, 5500, 8500 series and 9800
Cisco AP 1560,1570,1800,2800,3700,3800,4800,9120,9130
80211 Standards (a/b/g/n/ac/ax)
CAPWAP (Control And Provisioning of Wireless Access Points)
Routing & Switching
Certification
CCNA Security : From Network Bulls, Gurgaon
Extracurricular Activities
Active participator of Sports (Football, Swimming, Cricket, Athletics & Boxing). Participated in the state level football competition. Represented College In University Football Tournament.
Disclaimer
I hereby certify that the information furnished above is true and complete to the best of my knowledge and belief.
Timeline
Technical Solution Expert (VPO)
Orange Business Services
12.2022 - Current
Consultant (Cisco TAC - Wireless)
Capgemini
01.2022 - 11.2022
Incident Management Professional
British Telecom
08.2019 - 12.2021
Onsite Network & Security Engineer
Hi Tech Informatics Pvt Ltd.
01.2017 - 08.2019
Onsite Network Engineer
HCL Comnet Ltd.
04.2015 - 01.2017
Engineer (Core Network-NOC)
Nextra Teleservices Pvt.Ltd.
08.2014 - 01.2015
B.Tech in Electronics & Communication Engineering -
Uttaranchal Institute Of Technology (Dehradun) Uttarakhand
HSC (12th Class) - undefined
St. Theresa Sr. Sec. School (Kathgodam) Uttarakhand
SSLC (10th Class) - undefined
St.Joseph’s College (Nainital) Uttarakhand
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