Siddhesh Dattatray Thakur
Mumbai,Maharashtra
Summary
Dynamic cybersecurity professional with extensive hands-on experience in vulnerability assessment, penetration testing, and security tooling. Proven ability to leverage Certified Ethical Hacker (CEH) knowledge and manual testing skills to safeguard organizational assets and effectively mitigate risks. Committed to staying ahead of emerging threats and implementing robust security measures that enhance overall system integrity.
Overview
2
2
years of professional experience
1
1
Certification
Work History
L1 Network Engineer
Genius Consultant LTD.
11.2023 - 03.2024
- Link monitoring - Remote monitoring of network & All branches and datacenter End MPLS and internet links and interfaces connectivity via OPmanager monitoring tools. Taking necessary action on internet ISP link and internal connectivity issue with respective ISP and vendors. Troubleshooting of day-to-day end network link issue failure and slowness issue at applications, servers and Branches endpoint devices. First level troubleshooting with Branch network. Escalating the issue if issue not resolved with L2 and L3 Teams. taking follow up with ISP on mail and call regarding raised SR. Monitoring Link uptime and bandwidth utilization using Opmanager and access of Fortinet firewall. And HP Aruba switches.
- Switching- Hp. Aruba and Forti- switch switches configuration And vlan configuration with core switches and access switches as per requirement.
- Firewall- I have basic troubleshooting and configuration knowledge of Fortinet firewall. endpoint Device MAC Whitelisting in Forti-manager tool & tunnels creation, interface configuration, VPN configuration, NAT checking for daily bandwidth utilization of critical links and link status of all store
- Client Name : Avenue Super marts(Dmart)
- Provided network support services for devices such as hubs, bridges, routers, and other hardware.
L1 Network Engineer
ACTIN Technology PVT LTD.
03.2024 - 07.2025
- Monitoring: - Monitor network connectivity across all YES Bank 4 data centers and NOC locations using the NMMI monitoring tool. Monitor the nodes, tunnels, interfaces, and MPLS lines, such as P2P and BOD. Taking the appropriate steps to resolve the internet ISP link and internal connectivity issues with the respective ISP and vendors. Monitor network equipment, including Cisco routers, switches, and Aruba wireless access points.
- Network Management: Responsible for service request tickets generated by the monitoring tool and users, such as MAC whitelisting, IP addressing, troubleshooting, maintenance, upgrades, port openings, and fixes with all-around technical support. Update with the escalation problems from Level 1 & Level 2 for routing, switching, and WAN connectivity issues using the ticketing system Remedy. Management of Infoblox Grid Manager to manage DNS Forward and reverse lookup zones
- Routing - Switching: Worked on Cisco ASR 1001x and 1001, including BGP, summarization, and routing. Updated the IOS on Cisco routers and switches. Redesigned network with a leaf-spine architecture. Experience with IP addressing and subnetting, as well as routing concepts. work on Cisco ACI leaf-spine connectivity with Cisco 9K switches
- Client Name: TATA Communication worked at Yes bank
Education
Bachelor of Science - Computer Science, B.Sc IT
Karmveer Bhaorao Patil college
Navi Mumbai01-2022
Skills
- Routing – Basic knowledge Cisco ASR 1001x and 1000 Routers
- Switching: HP ARUBA (5530) & Forti-switch 124E devices Cisco Catalyst 45K switches and cisco N9k switches
- Troubleshooting: Diagnosing and resolving network issues
- Good knowledge about vulnerability scans, identifying security vulnerabilities, threats, weaknesses and related risks that exists
- Strong familiarity with windows ,Linux and other OS
- Ability to demonstrate manual testing experience including all of OWASP Top 10
- Hands on experience on penetration testing tools such as Burp Suite, SQLMap, Nessus, Nmap, Metasploit etc
- Capable of working to strict deadlines and prioritizing work appropriately
- Good knowledge of Kali Linux or UNIX based operating systems, including command line interfaces Can report various vulnerabilities from critical to low level
- Possess good writing and communications skills, to include the ability to render concise reports, summaries and formal oral
- Good understanding of computer network architecture such as OSI reference model, TCP/IP layers, Network Topology and protocols
- Analytical thinking
- Time Management
- Problem-solving skills
- Multitasking
- Attention to Detail
- Teamwork
Interests
Bike Riding, Swimming, Acquiring New Skills
Certification
- CEH (Certified Ethical Hacker v13) - EC-Council | 2026
- Ethical Hacking – InternShala | 2022
- Introduction to Cybersecurity Tools & Cyber Attacks – IBM via Coursera | 2022
- CCNA 200-301 Network Fundamentals – Simplilearn | 2023
Timeline
L1 Network Engineer
ACTIN Technology PVT LTD.
03.2024 - 07.2025
L1 Network Engineer
Genius Consultant LTD.
11.2023 - 03.2024
Bachelor of Science - Computer Science, B.Sc IT
Karmveer Bhaorao Patil college
Disclaimer
I hereby declare that all the information mentioned above is correct and accurate. ~Siddhesh Dattatray Thakur