Cooking, Traveling
Rakesh Kumar Das
Network and Cloud Security Engineer
Hooghly
Summary
Experienced IT Network Security Administration professional seeking challenging roles with a top-tier company. Passionate about safeguarding organizational assets and optimizing network performance. Committed to staying updated on industry trends to deliver innovative solutions that drive operational excellence and mitigate cybersecurity risks. Eager to contribute to a dynamic team environment that values collaboration and continuous learning.
Overview
14
14
years of professional experience
4019
4019
years of post-secondary education
8
8
Certifications
Work History
Network and Security Administrator
Tata Consultancy Services
12.2021 - Current
- Managing and designing campus LAN Architecture devices, including core, distribution, access, and server farm switches.
- Managing campus network security devices like perimeter firewalls, project dedicated firewalls, and routers.
- Streamlined network administration tasks by automating routine processes, reducing the manual workload by SDWAN DNAC.
- Analyzed system logs regularly to detect anomalies, mitigating potential threats in a timely manner.
- Designed and established secure remote connectivity solutions for employees working offsite, enhancing productivity without compromising security.
- Coordinated incident response efforts, resolving high-priority issues efficiently while minimizing impact on operations.
- Resolved complex technical issues swiftly through diligent troubleshooting methodologies and root cause analysis.
- Conducted periodic audits of system security measures to identify vulnerabilities and implement necessary countermeasures.
Network and Desktop Support Engineer
TATA Consultancy Services
06.2016 - 12.2021
- Company Overview: Gitanjali Park, Kolkata.
- Working as a systems engineer in internal IS/IDM, I provide desktop support and network support for projects.
- Provided support based on Ticket and CR (Change Management) tools.
- Patched software and installed new versions to eliminate security problems and protect data.
- Managing email, anti-spam and virus protection, DLP, Blue Coat Token, Cisco NAC, and Windows patches.
- Setting up user accounts, permissions, and passwords; new domain join; active directory.
- Attending calls for various compliance and training-related issues.
- Configured hardware, devices, and software to set up work stations for employees.
- Collaborating with the core network team for any network-related issues reported, or any tickets raised for entire projects, or any project associates. Troubleshoot the issue to resolve the complex network issue.
Network Engineer
HCL Comnet
01.2014 - 06.2016
- Company Overview: HCL Technology ISD Division, Kolkata
- Participate during APS/Core Router IOS Upgradation, Mock Trading, Contingency Drill, BCP live trading, as well as different failover tests, and follow the NSE/OMC standard process or comply with rules while delivering tasks to make the operation successful.
- Handling different types of technical queries generated by customers. Prepare reports for different types of issues, like network outages, bandwidth utilization, etc.
- Keep network outage books updated for the backbone link, as well as the last mile customer link, with proper tickets generated by OMC and ISPs with individual capacity.
- Keeping the maximum uptime of the customer network during trading hours, as well as the application upgrade time.
- Performing necessary core router configuration for last mile new link commission, link surrender, and shifting. Daily, send necessary reports and update information regarding any outages that occur in the Data Center with the OMC team.
- Simultaneously handling multiple calls and delivering satisfactory service to customers reduces escalations and builds a good relationship, which in turn leads to increased benefits in terms of cost, speed, and quality to customers beyond contractual commitments.
- Maintain a pleasant relationship with service providers and vendors, and follow timely coordination to maintain SLA violations.
- Monitored network capacity and performance to diagnose and resolve complex network problems.
Systems Engineer
HCL Comnet
07.2011 - 01.2014
- Company Overview: HCL Technology ISD Division, Mumbai.
- Installing, supporting, and maintaining new server hardware and software infrastructure.
- Managing email, anti-spam, and virus protection.
- Setting up user accounts, permissions, and passwords.
- Monitoring network usage. Monitoring lease lines (MPLS and MLLN).
- Troubleshooting network problems and outages, scheduling upgrades, and collaborating with network architects on network optimization.
- Traveling to client sites to help with installations, deployment, and troubleshooting of network devices like VSAT,routers, switches, IP phones, and network printers.
- Supporting users and network administrators over the telephone and by email.
Education
Diploma - Computer Science & Technology
West Bengal State Council of Technical Education/APC Roy Polytechnic
Jadavpur, Kolkata06-2011
Higher Secondary - Pure Science (Math, Physics, Chemistry, Biology)
West Bengal Council of Higher Secondary Education/Begumpur High School
Hooghly,Westbengal05-2007
Secondary Exam/10th Exam - undefined
West Bengal Board of Secondary Education/Begumpur High School
West BengalSkills
Cisco Router (Including Cisco 7613, ISR 4000, C8300)
Cisco Switch (Cat 2960, Cat 9300, Cat 9500, Nexus 5K, 9K)
Subnetting, IP Routing, OSPF, BGP
TCP/IP, DNS, DHCP, IPv4
Switching Protocols, VLAN, STP ,Port security,Port-channel,Ether-channel,VPC
IOS Upgradation of Router, Firewall and Switches
Cloud networking (AWS, Azure, GCP)
Security policy development
Network architecture & design (LAN, WAN, SD-WAN)
Firewall administration and network security
Wireless security
PaloAlto,Fortigate,Cisco ASA Firewall
Certification
Cisco Certified Network Associate (CCNA)
Interests
Disclaimer
I hereby declare that the above-mentioned information is correct up to my knowledge and I bear the responsibility for the correctness of the above-mentioned particulars. Date: Place: - Kolkata Rakesh Kumar Das
Hobbies
Traveling ,Cooking
Timeline
Network and Security Administrator
Tata Consultancy Services
12.2021 - Current
Network and Desktop Support Engineer
TATA Consultancy Services
06.2016 - 12.2021
Network Engineer
HCL Comnet
01.2014 - 06.2016
Systems Engineer
HCL Comnet
07.2011 - 01.2014
Secondary Exam/10th Exam - undefined
West Bengal Board of Secondary Education/Begumpur High School
Diploma - Computer Science & Technology
West Bengal State Council of Technical Education/APC Roy Polytechnic
Higher Secondary - Pure Science (Math, Physics, Chemistry, Biology)
West Bengal Council of Higher Secondary Education/Begumpur High School