JITESH SINGH
Network Security Engineer
Pune
Summary
Network Security Engineer with over 9 years of extensive experience in designing, implementing, and managing enterprise-level networks. My expertise includes working with Cisco and Fortinet technologies, along with load balancers, SD-WAN solutions, and cloud infrastructure in AWS. I utilize ITIL processes, focusing on service management to enhance network performance and ensure business continuity.
Overview
10
10
years of professional experience
6
6
Certifications
Work History
Network Security Consultant
Infosys Ltd (Project: Danske Bank)
02.2023 - Current
- Upgraded Fortinet Firewall and Load Balancer firmware, improving system security and performance while managing the FortiGate Firewall to support enhanced security measures.
- Developed and implemented URL filtering policies, enhancing network safety by managing access based on risk levels, and exception rules.
- Configured and maintained AWS networking components, including VPCs, subnets, and Transit Gateway, to boost cross-zone connectivity and security.
- Implemented AWS PrivateLink for secure, private VPC connectivity, improving partner environment integration.
- Managed Network Enablement support for bank infrastructure, ensuring reliability and continuous operation.
- Executed RMA processes for product replacements, maintaining hardware efficiency, and service quality.
- Provided comprehensive client satisfaction by understanding requirements and resolving issues promptly.
- Conducted regular security audits to ensure compliance with industry best practices, and regulatory standards.
- Developed improvement initiatives by implementing effective emergency resolutions.
- Collaborated with cross-functional teams to design secure IT architectures for various organizations.
Global Infrastructure Engineer-Network Security
TMF Group
08.2022 - 02.2023
- Worked with a TMF-GROUP, managing network issues for over 120 branches globally.
- Work on web security as per user requirements, allow or deny URL access, and modify the policy.
- Deploying, configuring, and managing FortiGate Firewall all over the location.
- Expertise in creating and managing security policies, NAT rules, and traffic shaping to optimize network performance.
- Familiarity with FortiGate high-availability setup and clustering for redundancy and failover.
- Performed policy validation and pre/post-deployment checks in FortiManager to ensure correct rule placement, and avoid policy conflicts.
- Supported compliance and audit activities by exporting firewall configurations and reports from FortiManager.
- Perform daily firewall policy management using FortiManager, including malicious IP blocking, URL filtering, and security rule updates.
- Hands-on experience in LLD, HLD, and SOP document preparation.
- Working, managing, and configuring the Citrix ADC Load Balancer.
- Implemented best practices in change management to minimize disruptions during critical system updates.
Network Specialist
HCL Technologies Limited
10.2020 - 08.2022
- Worked with a Rite Aid project customer, managing network issues for over 140 branches.
- Troubleshot and maintained networking devices and infrastructure across enterprise.
- Preparing network designs, leading implementations, or modifying complex network solutions.
- Managed centralized firewall policies using Palo Alto Panorama, including rule creation, modification, and deployment.
- Created and modified firewall rules based on the approved change request.
- Performed and validated failover testing on Palo Alto firewalls during planned maintenance and PAN-OS/iOS upgrades.
- Supported compliance and audit activities by exporting firewall configurations and reports from Panorama.
- Performed policy validation and pre/post-deployment checks in Panorama to ensure correct rule placement and avoid policy conflicts.
- Hands-on experience in LLD, HLD, and SOP document preparation.
- Enhanced network efficiency by designing and implementing effective infrastructure solutions.
- Installed firewalls and VPNs to increase and manage client network security.
- Monitored system logs for all company computers and devices to maximize uptime.
- Implemented and maintained firewalls, series switches, and security appliances.
Network Engineer
Reliance Jio Infocomm Limited and Sequel One Solutions Pvt. Ltd
12.2018 - 10.2020
- Planning and developing all major network projects for the customer's network infrastructure.
- Hands-on experience in LLD, HLD, and SOP document preparation.
- Working on service requests, incidents, and change requests in the ServiceNow ticketing tool.
- Implementing and designing new projects based on customer requirements.
- Troubleshooting LAN/WAN connectivity issues.
- Monitored network capacity and performance to diagnose and resolve complex network problems.
- Improved network performance by identifying and resolving bottlenecks, optimizing configurations, and implementing best practices.
- Enhanced security by implementing firewalls, VPNs, and access control systems.
- Created VPN infrastructure and allowed for secure remote connections.
- Implemented WAN and LAN designs in multi-datacenter configurations.
Network Associate Engineer
Shree Siddhivinayak and Prompt Personnel PVT LTD
10.2015 - 11.2018
- Troubleshooting LAN/WAN connectivity issues.
- Participated in a 24/7 on-call rotation, supporting customers via phone and email.
- Performed troubleshooting and root cause analysis on circuit issues.
- Collaborated with vendors for the deployment and configuration of network devices.
- Configuration of Security Profiles, Application Control.
- Streamlined troubleshooting processes by developing detailed documentation of network topology and configurations.
- Collaborated with cross-functional teams to design, implement, and support new projects requiring network connectivity.
- Participated in audits assessing the effectiveness of current security measures safeguarding sensitive information.
- Ensured data security with the installation and management of firewalls, intrusion detection systems, and VPNs.
Education
Bachelor of Engineering - Electronics & Communications Engineering
Rajiv Gandhi Proudyogiki Vishwavidyalaya
Vidyapeeth Institute Of Science And Technology05.2015
Diploma - Electronics & Telecommunications Engineering
JRN Rajasthan Vidyapeeth University
CV Raman College Of Science And Technology05.2011
High School - 10th
MP Board Bhopal
Madhya Pradesh Board Of Secondary Education05.2008
Skills
Network Security, FortiGate, Illumio, Zscaler, VPN, IPS, Meraki, Palo Alto, Qradar, Security Fabric, SD-WAN, Citrix Netscaler
Cloud, AWS VPC, AWS Private Link, AWS EC2, AWS NAT Gateway, Internet Gateway, AWS TGW, Security Group, NACL
Documentation, HLD, LLD, Visio, Change Management
Datacenter Support, ServiceNow, Migration
Certification
FCSS - Enterprise Firewall 7.4 Administrator
Timeline
Network Security Consultant
Infosys Ltd (Project: Danske Bank)
02.2023 - Current
Global Infrastructure Engineer-Network Security
TMF Group
08.2022 - 02.2023
Network Specialist
HCL Technologies Limited
10.2020 - 08.2022
Network Engineer
Reliance Jio Infocomm Limited and Sequel One Solutions Pvt. Ltd
12.2018 - 10.2020
Network Associate Engineer
Shree Siddhivinayak and Prompt Personnel PVT LTD
10.2015 - 11.2018
Bachelor of Engineering - Electronics & Communications Engineering
Rajiv Gandhi Proudyogiki Vishwavidyalaya
Diploma - Electronics & Telecommunications Engineering
JRN Rajasthan Vidyapeeth University
High School - 10th
MP Board Bhopal