Network Engineer Senior

Hitesh Omprakash Sharma

635-***-**** # ***************@*****.*** ï linkedin.com/in/hitesh-sharma-a80983bb/ § github.com/hiteshsharmahshs?tab=repositories

Profile Overview

Senior Network Engineer with approximately around 5 plus Years of IT Networking Experience towards routing, switching, firewalls etc. Currently working with NTT India as a Network Engineer. Experienced in managing network-related issues, configuring routers, switches etc. Proficient in installation and configuration of IT networks, maintenance, troubleshooting, and network user management. Skilled in installation, upgradation, configuration, and support of LAN, WAN, hardware, routers and other network devices Focused and hardworking professional with thorough knowledge and technical understanding. Analytic mindset and confident in taking on challenging assignments. Completed Professional Training on CCNA, CCNP Routing and Switching Education

Gujarat Technological University Aug. 2017

Bachelor of Engineering - Electronics and Communication (CGPA: 6.72) Ahmedabad, Gujarat

• Relevant Coursework: Embedded Systems, VLSI, Digital Logic Design, Image and Signal Processing, Microcontroller and Microprocessor, Networking, Signals and Systems, Power Electronics. Experience

Tech Mahindra June 2025 – Present

Senior Network Engineer Pune, Maharashtra

• Experience on Large Enterprise Networks in Service assurance

• Good hands-on experience on EIGRP, OSPF, BGP, MPLS, CoS, QoS, VRF, VLANS, and VPNs

• Good hands-on experience on LAN/WAN/SD-WAN technology.

• Knowledge and experience on Infoblox DDI (DNS, DHCP IPAM)

• Strong skills on MS Office for reports and RCA making.

• Strong analytical skills to resolve problems.

• Strong oral and written communication skills to coordinate repair efforts and prepare reports.

• Strong interpersonal skills to coordinate efforts effectively between multiple groups.

• Ability to manage multiple tasks in a fast-paced environment.

• Strong hands-on experience on Routers – Cisco ASR 1001-X, Cisco ASR 1001-HX, Cisco ASR 1002-HX LAN Switches – 9500/9300/9200/6800/4500/3850/3750/3730/3650/83560/3550/2960, WLAN Controller – CT3504/5520/9800LC Radius Server

Amnex Infotechnologies April 2024 – June 2025

Consultant - IT and Infra Ahmedabad, Gujarat

* Design various solutions based on the RFP for projects from the IT and Network side.

* Design and Implelemtion of Network, IT Infra and Data Center

* Implementation and troubleshooting on Sonicwall Firewall, Cisco FTD 3130, Cisco FMC, Sophos, Fortinet 400 and 900 Firewall and others.

* Provide Support user for all network and security related technical issues at HO

* Design various network and security Diagrams based on RFP and Projects requirements

* Provide L2 and L3 network and security troubleshooting support for all projects

* Provide support for linux and windows based system for network issue

* Manage and maintain HO network and security

* Weekly health check of network and security device

* Coordinate with team members for support for all IT Infra Ticket issues

* Provide extended support on after office hours and week-offs for High Priority issues at HO and all projects

* Planning and implementation for various changes at network and security infra side

* Coordinate with ISP and Vendors for timely resolution of network and security related issues. NTT India Dec 2022 – April 2024

MS Network Engineer (Contract) Client VOIS Ahmedabad, Gujarat

* Prepared backup of routers and switches to ensure data redundancy and disaster recovery.

* Firewall Management: Configured and managed Fortinet firewalls, including access control policies and VPN configurations.

* Network Monitoring and Analysis: Utilized advanced tools to identify and investigate security breaches and anomalies.

* L1 Network Configuration: Performed basic L1 configurations and ensured optimal performance. Conducted network connectivity troubleshooting using tools such as ping, tracert, and telnet to diagnose and resolve network issues.

* Upgraded and repaired faults on network equipment to ensure optimal performance and reliability.

* Configured and maintained active networks in labs to facilitate smooth operations and efficient resource utilization.

* Resolved network-related issues promptly through email and phone support, ensuring minimal downtime and disruption.

* Maintained and managed Cisco routers and switches to ensure their proper functioning and adherence to network standards.

* Troubleshot problems related to LAN users, addressing connectivity, performance, and access issues.

* Performed network optimization, analysis, and planning to enhance network performance and scalability.

* Assigned port security measures to control network access and prevent unauthorized usage.

* Configured NAT/PAT and ACL on Cisco routers and switches to enforce network security policies and restrict traffic flow.

* Monitored and responded promptly to requests received through the IT service desk, ensuring timely resolution of technical issues.

* Provided technical support to customers, assisting them in resolving network-related problems and answering their queries.

* Maintained daily reports, monthly dashboards, and occupancy reports to track network performance and provide management insights.

* Providing first-level technical support and troubleshooting for network-related issues.

* Assisting in the installation, configuration, and maintenance of network equipment, including routers, switches, and firewalls.

* Conducting routine network tests and analysis to identify and resolve network performance issues.

* Collaborating with senior network engineers to design and implement network infrastructure solutions.

* Documenting network configurations, changes, and incidents.

* Assisting in the setup, maintenance of network services, such as DHCP and DNS and resolution of network connectivity issues for end-users.

* Coordinating with vendors and service providers for network-related matters.

* Following established procedures and best practices for network troubleshooting and maintenance.

* Assisting in the implementation and testing of network backups and disaster recovery plans.

* Assisting in the maintenance and updating of network documentation, including network diagrams and inventory.

* Assisting in the evaluation and recommendation of network hardware and software upgrades.

* Participating in on-call rotations and providing support during off-hours or emergencies.

* Handling monitoring of VLANs

Synersoft Technologies Pvt. Ltd Dec 2021 – Dec 2022 Support Engineer Ahmedabad, Gujarat

* Study Client Network Infra for implementation of BLACKbox Server

* Recommend suggestion like IP range and subnet and suitable changes to client for implementation of BLACKbox Server

* Provide basic traniing to client

* Troubleshooting issues like BLACKbox server and network integration.

* Provide on-site and remote support for BLACKbox server. infoAnalytica Consulting Pvt Ltd Feb 2020 – May 2021 Research Associate Ahmedabad, Gujarat

* Data sets building for Machine Learning model

* Support user in deployment of Automation tools on user’s system

* Provide IT Support to users

* Monitor Network

Projects

Mitigation Technique for Blackhole attack in MANEET Ubunto OS, C sharp, NS2, Scrippting,

* (Published in IEEE Xplore) Research oriented, open source, implementing low-cost passive motion tracking for creating the dataset and processing it to be used as an asset in various augmented, virtual, or mixed reality environments. (DOI:10.1109/ICCCNT49239.2020.9225381)(August2020) Passive Motion Tracking for Assisting Augmented Scenarios Embedded C, Ardiuno, Unity 3D, MPU 6050

* Published in Springer Nature Book Series) Research oriented, open source, implementing low-cost passive motion tracking for creating the dataset and processing it to be used as an asset in various augmented, virtual, or mixed reality environments. (DOI:10.1007/978-***-**-****-942)(September2020) Publictions

Sept. 2020: Passive Motion Tracking for Assisting Augmented Scenarios, Ubunto OS, C sharp, NS2, Scrippting,

* Proceedings of Congress on Intelligent Systems 2020, Volume 1, to be published in Springer Conference. DOI

:10.1007/978-***-**-****-8 ; eBook ISBN 978-981-336-981-8

{https://link.springer.com/chapter/10.1007/978-***-**-****-9 42 July. 2020: Mitigation Technique for Blackhole attack in MANEET Ubunto OS, C sharp, NS2, Scrippting,

* Published in 11th International Conference on Computing, Communication and Networking Technologies

(ICCCNT), to be published in IEEE Xplore digital libraryThe Published paper is available at: https://ieeexplore.ieee.org/document/9225381

Jan. 2020: Implementation of Black hole Attack for Random Mobility for Single and Multiple Connection in MANET Ubunto O

* Published in ’International Journal of Innovative Technology and Exploring Engineering (IJITEE)’, ISSN: 2278-3075

(Online), Volume-9 Issue-3, January 2020, Page 3299-3302.The B Impact Factor of IJITEE is 5.54 for year 2018. The Published paper and Souvenir are available at: http://www.ijitee.org/wp-content/uploads/papers/v9i3/C9035019320.pdf Professional Training

• Redhat Certified Engineer from DevOps TechLab, Ahmedabad, India Oct,2024-Dec,2024

• CCNA from Attila Technologies, Ahmedabad, India Oct,2017-Sept,2018

• CCNP from Attila Technologies, Ahmedabad, India Dec,2018-Jan,2020 Technical Skills

Proficient in OSI Model protocols/technologies (Ethernet, IP, ICMP, ARP, OSPF, BGP, TCP, UDP, SSL/TLS) and TCP/IP Model protocols/technologies (Ethernet, Wi-Fi, PPP, IP, ICMP, ARP, IPv6, IGMP, TCP, UDP, HTTP, FTP, DNS, SMTP, SNMP, DHCP, POP3, IMAP, SSH)

Comprehensive knowledge of OSI Model layers (physical, data link, network, transport, session, presentation, application) and TCP/IP Model layers (network interface, internet, transport, application). Experienced in implementing and troubleshooting protocols such as Ethernet, Wi-Fi, PPP, IP, ICMP, ARP, IPv6, IGMP, TCP, UDP, HTTP, FTP, DNS, SMTP, SNMP, DHCP, POP3, IMAP, and SSH. Familiar with routing protocols, network security, wireless technologies, and application-layer protocols (HTTP, FTP, DNS, SMTP) and basic knowlodge of Linux. Routing Technologies Knowledge :

Routing Types(Static,Dynamic,Default).

Classful Routing Protocols and Classless Routing ProtocolsTypes OSPFv3 for IPv4 and IPv6, Link-State Database

OSPF Stub Areas and Summarization

OSPF Authentication

Routing Protocol Redistribution

Redistribution and redistribution Using Route Maps Policy-based routing

EIGRP Using Classic Mode and Named Mode for IPv4 and IPv6 IBGP and External Border Gateway Protocol (EBGP)

BGP Path Selection, BGP Route Reflectors, MP-BGP for IPv4 and IPv6 Configure Routing with VRF-Lite

NAT and Types of NAT (Static NAT, Dynamic NAT, PAT). Basic Knowledge of MPLS.

Switching Technologies Knowledge :

Switching Functions (Address Learning, Forward Filter, Loop Avoidance). Switching Methods (Store and Forward, Cut-Trough, Fragment - Free). Collision Domain, Broadcast Domain.

Trunking Protocols (802.1q, ISL).

VLAN Assignment Methods (Static VLAN, Dynamic VLAN). Basic Knowledge VLAN Trunking Protocols VTP DTP.

Basic Knowledge of STP, RSTP, PVSTP, PVSTP+, MSTP. Network Security Knowledge :

Firewall Basic Knowledge: Packet Filtering, Proxy Server, Stateful Firewall, Next Generation Firewall AAA, IDS, IPS, VPN, CIA Model, Threats, and Attacks.

Fortinet Firewall Basic Skills: (set hostname, enable password, set IP address on an interface, enable TELNET, enable SSH).

Access Control List - Standard Access-list, Extended Access-list, Named Access-list. Understanding of VPN (IPSEC, GRE, Site to Site)

Understanding of Layer 2 Security: Rough DHCP Attack, DHCP Starvation, Port Security, DHCP Snooping, DHCP Attack Prevention via ACL, IP Spoofing, IP Source Binding, Protected Port, VLAN ACL, Switch Spoofing, DAI Layer 2 ACL

Licenses and Certifications

• Cisco TSHOOT 2.0 : Response Automation and Backups Certification at NTT

• Cisco TSHOOT 2.0 Logging and Path Verification Certification at NTT

• Cisco TSHOOT 2.0. Toubleshooting and Manipulating Output Certification at NTT

• Internet Connection: How to Get Online? at CourseEra

• CCNA 2020: Networking Components Certification at NTT

• Cisco TSHOOT 2.0 : Network Traffic Viewing Reporting and Monitoring Certification at NTT

• Cisco TSHOOT 2.0 : Troubleshooting Basics Certification at NTT

• Cisco TSHOOT 2.0: Layer 2 Troubleshooting Part 1 Certification at NTT

• 2022 Certified BCSP Level 1 at Synersoft Technologies Pvt Ltd Seminar, Workshops and Honours

• 2022 The Change Champion, at Synersoft Technologies Pvt Ltd

• 2017 Runner-up in TechExpo 2017 for Final Year Project at Parul University.

• 2017 Conducted a Seminar on WannaCry Rensome Cyber Attack at Parul University

• 2015 Participated in Circuitrix Competition by GTU

• 2014 Participated in Robotics Workshop by Nirma University

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