SUMIT KUMAR
Delhi
Summary
Total 10+ year Experience, but 7+ experience as Network & Security Engineer to utilize my skills and abilities that also offers professional growth while being resourceful, innovative flexible and committed to the organization.
Overview
5
5
Certifications
11
11
years of professional experience
Work History
Network Engineer
Indra Systems Pvt Ltd
03.2024 - Current
- Integrated MPLS with BGP and OSPF to ensure dynamic route distribution and redundancy. Firewall security policy implementation and monitoring.
- Analyses logs and make necessary network report using smart reporter console application.
- Configure IPSEC and SSL VPN with check point.
- IP Addressing, NAT, Basic and Advanced Filtering and Routing
- Performed filtering based on user identity, URL and device.
- Monitored network traffic and analyses security logs to identify and mitigate threats in real-time.
- Monitored MPLS path stability and latency using tools such as SNMP, NetFlow, and IP SLA.
- Network Optimization QoS, traffic engineering, and application performance monitoring.
- Troubleshoot MPLS issues including label switching, LDP/RSVP signaling, and end-to-end VPN connectivity.
- Collaborated with IT and security teams to ensure secure and reliable connectivity to cloud services and applications.
Network Security Engineer
Locuz Enterprise solutions Ltd
05.2022 - 03.2024
- Project: - Inter University Accelerator Center.
- Taking care maintenance include configuration and troubleshooting of Juniper, Arista switches, Routers, Firewall & Troubleshooting, wan connectivity related issues.
- Assist network expansion and troubleshooting IP related issues. Perform OS upgrade of Cisco, devices ie1800 series, 2911, 1841, ISR4331 that are used and validation of configuration after upgrade.
- Configuration, management and troubleshooting of Palo Alto & Sophos XG HA Creating, removing and reviewing access rules and Nat Rules on Palo Alto.
- Implementation of Global Protect VPN setup which involved 4 gateways and 2 portals, AD group-based authentication, user-based policy creation, multiple 2FA authentication, HIP-Profile based restrictions for endpoints.
- Hands-on experience with TCP/IP, Network and system security concepts, WAN and LAN concepts, Routing protocols (OSPF) and Sophos (XG 310) Firewall Security policies.
- Migration of Traditional Port-based security policies to App-ID based security policies.
Network Engineer
DXC Technology
06.2021 - 05.2022
- Project: - Hindustan Coca Cola Beverages Pvt Ltd.
- Optimized OSPF routing by tuning interface costs, router priorities, and implementing stub and totally stubby areas.
- Assist network expansion and troubleshooting IP related issues. Perform OS upgrade of Cisco, devices ie1800 series, 2911, 1841, ISR4331 that are used and validation of configuration after upgrade.
- Designed and implemented MPLS L2/L3 VPN solutions to support multi-tenant environments.
- Troubleshoot MPLS issues including label distribution, LDP, RSVP, and BGP/MPLS route propagation.
- Worked with service providers to implement MPLS circuits and ensured QoS and traffic engineering policies were enforced.
- Responsible to deliver the resolution within the SLA.
- Configured and maintained OSPFv2 and OSPFv3 across multi-area network environments.
- Implemented OSPF in point-to-point and broadcast network types with proper authentication and area segmentation.
- Configuring and troubleshooting different types of Routing Protocols like OSPF, BGP, and MPLS related issue.
- Working on SUMMIT Ticketing tool.
- Working on PRTG Network Monitoring tool.
Network Engineer
NIPUN IT SOLUTIONS
04.2018 - 01.2021
- Project: - ITDR, RTO
- Troubleshooting with networking cabling in LAN network.
- Configuration of networking devices like: Switches, Routers.
- Coordination with different Venders of ISP in case of link Issues.
- Installation of Patches, Hardware, software's and Firmware upgrades.
- Have experience & working on Cisco switches and routers (Cisco 1841).
- Good knowledge of ether channel concepts and configuration.
- Port migration on different VLAN according to user requirements.
- OS Up gradation in switches and routers and Hardening of Switch ports under Service.
- Improvement Plan Activity for smooth operation.
- Responsible for implementations or up gradation of the existing Network.
- Provides network connectivity to devices which need to install in datacenter or hub room like server, network or security devices.
Associate Engineer
HCL INFOSYSTEM LTD
05.2015 - 04.2018
- Project: - Dalmia Bharat Group.
- Manage Domain environment for two sites through remote support (Team Viewer, VNC)
- Manage shared folder and devices through permission
- Operating Systems: Windows XP, Windows 7/8/10, Windows Server 2003/2008.
- Working on PRTG Network Monitoring Link.
- Monitoring all types of Network devices.
- Installation, configuration and troubleshooting VPN
- Software troubleshooting update and patch installation
- Configure new hardware, install and update the software packages.
- Data Cards configuration and troubleshooting.
- Inventory management.
- Basic networking, peer to peer, Map drive, Data sharing.
- Cabling, patching, and LAN troubleshooting.
- Interacting with user to resolving any type of networking issues.
- Troubleshooting with networking cabling in LAN network.
Education
B.Sc. -
Manav Bharti University
01-2014
3Year Diploma - Electronics and Communication
Govt. Polytechnic from Nilokheri
01-2011
Intermediate - undefined
Govt. Senior Secondary School
01-2008
High School - undefined
Govt. High School
01-2006
Skills
Routing- STATIC ROUTE , OSPF, EIGRP, IBGP, EBGP, OSPF, BGP, MPLS,L3VPN
Certification
CCNA- CSCO13153427
Timeline
Udemy - Cisco VPC training Completed
10-2025
Udemy - Checkpoint Firewall CCSA R80 Training Completed0.40
06-2025
Udemy- Linux for Cloud & DevOps Engineers
08-2024
Network Engineer
Indra Systems Pvt Ltd
03.2024 - Current
Network Security Engineer
Locuz Enterprise solutions Ltd
05.2022 - 03.2024
Network Engineer
DXC Technology
06.2021 - 05.2022
Network Engineer
NIPUN IT SOLUTIONS
04.2018 - 01.2021
Associate Engineer
HCL INFOSYSTEM LTD
05.2015 - 04.2018
High School - undefined
Govt. High School
Intermediate - undefined
Govt. Senior Secondary School
3Year Diploma - Electronics and Communication
Govt. Polytechnic from Nilokheri
B.Sc. -
Manav Bharti University