RAJENDRA KUMAR RANWA
Gurgoan
Summary
Dynamic Network Security Engineer with proven expertise at ALETHE CONSULTING PVT.LTD in configuring FortiGate firewalls and implementing robust security measures. Adept at troubleshooting complex network issues and enhancing performance through SD-WAN technology. Strong problem-solving abilities and excellent communication skills drive successful collaboration and customer support in high-stakes environments.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Network Security Engineer
ALETHE CONSULTING PVT.LTD
Gurgoan
12.2023 - Current
- Configuration, maintenance, upgrades, and troubleshooting of FortiGate Firewalls.
- Configure firewall rules, policies, objects, traffic shapers, and provide access to users as per user requirements.
- Conducted regular vulnerability assessments, and implemented appropriate security measures.
- Configuring troubleshooting for antivirus, web filter, file filter, application control, and SSL inspection.
- Configuring and Troubleshooting Load Balancing Based on Software-Defined WAN (SDWAN) on FortiGate.
- Configure IPsec, ADVPN, and SSL VPN in Fortinet.
- Collaborated with cross-functional teams to ensure security policies and procedures.
- Troubleshooting performance issues related to the FortiGate firewall, such as CPU, memory, and session.
- Also deals with SD-WAN network-related issues, such as packet loss, latency, and jitter.
- Support enterprise customers to build up the secure network infrastructure with the latest SD-WAN technology.
- Configuring traffic shaping to enhance the application performance.
- Managing and monitoring various FortiGate firewalls from FortiManager and FortiAnalyzer.
- Deep-down analysis in resolving firewall-related network issues in enterprise environments.
- Monitored network traffic using packet sniffing tools such as Wireshark to detect malicious activity.
- Configured and maintained firewalls, intrusion detection systems, and virtual private networks.
- Performed regular backups of critical data stored on the corporate network in accordance with established guidelines.
- Investigated incidents of unauthorized access attempts or data breaches in order to determine their origin and scope.
- Assisted with incident response processes by providing technical support during investigations into suspected security threats.
- Safeguarded data through installation of firewalls and data encryption programs.
- Configured and maintained firewalls in accordance with security policies.
- Performed regular maintenance of firewalls to ensure optimal performance.
- Resolved complex problems related to firewall configuration and operation.
- Developed scripts to automate firewall rule changes.
- Worked closely with IT teams to ensure that all changes were properly documented.
- Monitored network traffic for malicious activities and unauthorized access attempts.
- Assisted with the design and implementation of new firewall solutions.
Network Support Engineer
TYSN TECHNOLOGY PVT.LTD
Jaipur
06.2022 - 12.2023
- Conducted detailed configuration troubleshooting on Cisco switches to ensure optimal performance.
- Coordinated with field engineers remotely, enhancing issue resolution processes.
- Elevated intricate problems to management and external IT resources as required.
- Responded promptly to user requests for assistance with any type of networking issue.
- Deployed wireless networks at various locations across the organization's premises.
- Collaborated with other departments within the organization when needed on projects involving networking infrastructure.
- Investigated and troubleshot complex network-related problems in a timely manner.
- Created detailed documentation regarding all aspects of the networks configuration and setup process.
- Monitored the performance of the network to ensure optimal levels of service.
- Implemented security measures to protect the network from unauthorized access or malicious attacks.
- Provided technical support for users having difficulty connecting to or using the network.
- Configured and maintained various network devices such as routers, switches, firewalls.
- Evaluated system availability, throughput and latency to lead network planning, installation, configuration, and testing.
- Maintained positive working relationship with fellow staff and management.
- Evaluated local area network (LAN) and wide area network (WAN) performance data to verify availability and speed, identifying network problems.
- Trained team members and users in newly implemented and emerging technology to enhance business productivity.
- Managing the ticket and updating the status on the ticket as per the update from the team.
- Perform 24/7 network surveillance.
- Checking the link-down issue, packet drop, optical power abnormality, device down, port error rate high, etc.
- Monitor large computer network problems from the head office, and analyze problems, perform troubleshooting, and incident response on the system.
- Monitor network performance, uptime, and respond quickly to incidents.
- Communicate and coordinate with the FEs to ensure timely resolution.
Education
Bachelor of Science -
MDSU University
Rajasthan01.2022
High School -
Rajasthan Board of Secondary Education
Rajasthan01.2019
Skills
- Firewall installation
- Virtual private networks
- Network monitoring
- FortiGate
- FortiAnalyzer
- FortiManager
- Forticloud
- FortiVPN
- Zscaler
- SD-WAN IPSec
- AD-VPN
- Routing
- Switching
- Wireless
- Port security
- VPN
- Nat and Pat
- TCP and UDP
- Network security
- Upgradation
- BGP
- Deep down analysis
- Excellent communication
- Firewall configuration
- Network troubleshooting
- Load balancing
- VPN configuration
- Security policy implementation
- Incident response
- Threat analysis
- Network security management
- IP addressing and subnetting
- Multitasking Abilities
- Problem-solving abilities
- Problem solving
- Customer support
- Technical documentation
Certification
- Cisco Certified Network Associate (CCNA Routing & Switching) (Trained)
- Cisco Certified Network Professional (CCNP Routing & Switching) (Trained)
- Network Security Professional (NSE 4) (Trained)
Passion
- Cybersecurity Trends
- Passionate about staying updated with latest trends in cybersecurity
- Digital Forensics
- Intrigued by the complexities of digital forensics and enjoy learning new techniques
- A+, N+ certifications (Trained)
Networking Knowledge
- Configuration troubleshooting of Cisco Switches
- Configuration & troubleshooting of Cisco Wireless Controllers
- Configuration troubleshooting of Cisco Wireless Access Points
- Packet flow, OSI Model, TCP/IP Model, TCP, DP, ARP, DNS, DHCP, FTP, ICMP, IP, Ethernet frame, Subnetting
- OSPF, EIGRP, BGP, ISIS, RIPv2
- Switching Terms and Protocols Like, STP, RSTP, VTP, VLAN, Access & Trunk, BPDU, Broadcast Storm, Multicast Storm.
Languages
Hindi
First Language
English
Proficient (C2)
C2
Timeline
Network Security Engineer
ALETHE CONSULTING PVT.LTD
12.2023 - Current
Network Support Engineer
TYSN TECHNOLOGY PVT.LTD
06.2022 - 12.2023
Bachelor of Science -
MDSU University
High School -
Rajasthan Board of Secondary Education
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