Aman Kumar Sourav
Network Security Engineer
Patna
Summary
Experienced network security engineer with 8+ years of success in securing large-scale enterprise networks. Proficient in configuring and managing network security solutions such as firewalls, VPNs, IDS/IPS, and load balancers. Recognized for problem-solving abilities and a strong commitment to implementing security best practices for reliable network service availability.
Overview
8
8
years of professional experience
6
6
years of post-secondary education
8
8
Certifications
2
2
Languages
Work History
Technical Delivery Team Leader ( Network Security)
British Telecom
11.2022 - Current
- Lead network security operations for BT clients, ensuring optimal security posture and network performance.
- Conduct security assessments, recommend enhancements, and implement advanced security controls.
- Utilize Wireshark and tcpdump for troubleshooting and root cause analysis, resolving traffic flow issues and improving network efficiency.
- Led and executed seamless migrations of network devices, switches, and cabinet migration, ensuring minimal downtime and uninterrupted service during transitions.
- Led the adoption of Zero Trust Architecture, reducing unauthorized access risks by and improving overall system security.
Network Security Engineer III
Rackspace Technology
08.2020 - 10.2022
- Configured, implemented, and managed security devices (ASA, Palo Alto, F5 LTM, NetScaler, etc.) for enterprise clients.
- Delivered high-level technical support, troubleshooting firewall, routing, and VPN connectivity issues, ensuring quick resolution and high customer satisfaction.
- Managed Site-to-Site VPNs, SSL decryption, URL filtering, and Geo-blocking.
- Administered and configured F5 LTM and NetScaler for load balancing and SSL certificate management, ensuring traffic optimization and high availability.
- Replaced faulty network devices (firewalls, load balancers) and managed DNS entries, optimizing network resilience.
Systems Engineer (Network Security Administrator)
Tata Consultancy Services
12.2016 - 08.2020
- Monitored network performance with SolarWinds, ensuring uptime and mitigating downtime.
- Managed and configured Cisco routers, ASA firewalls, Palo Alto firewalls, and F5 load balancers.
- Created and managed security policies/ACLs, NAT and performed SSL inspection for web security using Forcepoint.
- Led network hardening initiatives, reducing SIEM event noise by 90% using IBM Qradar and Splunk.
- Coordinated network maintenance and failover activities, minimizing business impact.
Education
Bachelor of Engineering - Electronics and Communication
KLE Dr. M.S.S. CET
Belgaum, Karnataka 09.2012 - 07.2016
Higher Secondary - undefined
Atomic Energy Central School
Jaduguda, Jharkhand 05.2009 - 03.2011
Skills
- Firewalls: Cisco ASA, FTD, Palo Alto, FortiGate, Checkpoint, Juniper SRX, F5 AFM
- Load Balancers: F5 BIG-IP LTM, Citrix NetScaler
- VPN Solutions: Site-to-Site VPN, Remote Access VPN, SSL VPN, IPSEC, Cisco AnyConnect, Palo Alto GlobalProtect
- Networking & Protocols: TCP/IP, UDP, ICMP, DNS, SSL/TLS, RADIUS, LDAP, Routing Protocols
- Network Monitoring & Troubleshooting: Wireshark, tcpdump, SolarWinds
- Security: VPN, Threat Prevention, SSL decryption and Inspection, URL Filtering
- Cloud Platforms: AWS, Microsoft Azure, Cloudflare
Certification
Microsoft Certified: Azure Fundamentals
Timeline
Zscaler Zero Trust Certified Associate
09-2024
Microsoft Certified: Azure Fundamentals
01-2024
Technical Delivery Team Leader ( Network Security)
British Telecom
11.2022 - Current
Fortinet Certified Fundamentals in Cybersecurity
09-2022
Cloudflare Accredited Configuration Engineer
09-2021
Network Security Engineer III
Rackspace Technology
08.2020 - 10.2022
Palo Alto Networks Certified Network Security Engineer
07-2020
Cisco Certified Network Associate Routing and Switching
10-2019
ITIL (Version 4), People's cert
08-2019
DevOps, EXIN
05-2019
Systems Engineer (Network Security Administrator)
Tata Consultancy Services
12.2016 - 08.2020
Bachelor of Engineering - Electronics and Communication
KLE Dr. M.S.S. CET
09.2012 - 07.2016
Higher Secondary - undefined
Atomic Energy Central School
05.2009 - 03.2011
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