Subhasish Sen
Kolkata
Summary
Experienced Cisco-Certified Network Engineer with 5 years in optimising network operations. Specialises in monitoring, reporting, and diagnostics to resolve issues efficiently. Knowledgeable in TCP/IP protocols, LAN/WAN, and Cisco routing, switching, and DNS technology. Committed to enhancing sustainable infrastructure through innovative solutions.
Overview
3
3
Languages
1
1
Certification
5
5
years of professional experience
Work History
Network Support Engineer
SIFY Digital Services
Kolkata
10.2024 - Current
- Diagnose and resolve complex network problems for continuous service availability.
- Monitor network performance to spot issues quickly with SD-WAN and vManage.
- Manage network performance and implement changes to improve efficiency.
- Configure routers and switches to strengthen security and connectivity across sites.
- Install, configure, and maintain network service equipment and devices daily.
- Manage IP addressing and subnetting for consistent network configuration and connectivity.
- Coordinate with vendors and service providers to resolve network issues faster.
- Identify and resolve all performance problems within tight timeframes.
- Provide technical support and guidance to improve user understanding.
- Communicate with customers to deliver clear advice to technical users.
- Assess security needs and apply products and processes for safe provisions.
- Contact manufacturers and vendors for warranty repairs and replacements.
- Plan, install, and run network elements to match customer requirements.
Network Engineer
NTT Data Inc.
Kolkata, India
08.2022 - 09.2024
- Implemented, tested, validated and maintained networking services according to solution designs.
- Diagnosed and resolved complex network problems.
- Monitored and analysed network environments, reconfigured systems to enhance scalability and optimise overall performance.
- Managed network performance and implemented changes to improve efficiency.
- Monitored network services metrics to produce reports for comprehensive performance overview.
- Configured network equipment for installations, executed lifecycle refreshes, and conducted post-installation testing to ensure turnkey service reliability.
- Maintained hardware and software for networks and assisted in installation and upgrade of servers.
- Created and maintained documentation to understand traffic flows and identify bottlenecks.
Desktop Support Engineer
CMS IT Services Private Limited
Kolkata, India
07.2021 - 07.2022
- Provided first-class PC support, using outstanding working knowledge of various Windows and Microsoft Office applications.
- Handled support desk calls, communicating complex technical information clearly and succinctly for optimal service user understanding.
- Constructed, installed and tested customised configurations based on various platforms and operating systems.
- Administered configuration items using established tools and processes to safeguard assets from unauthorised changes and misuse.
- Utilised application management software to gather performance statistics for informed decision-making.
- Checked deliveries of equipment and software for accuracy and gave feedback to procurement in case of inaccuracies.
- Oversaw daily operations, ensuring timely completion of tasks by delegating responsibilities to junior staff.
Education
Bachelor of Computer Application - Information Technology
George College of Management and Science
Kolkata, WB01-2012
Higher Secondary - Commerce
Duttapukur Mahesh Vidyapith
Duttapukur, West Bengal01-2007
Skills
- SDWAN
- VManage
- Network Engineering
- Network Configuration
- Network Operations
- IP routing
- Cisco Router and Switch
- Cisco Stealth Watch
- VPN
- VLAN
- Inter-VLAN
- Network Debugging
- Network Diagnostics
- Troubleshooting
- Network Monitoring Tools
- Service monitoring
- Process Improvement
- Technical development
- Network Diagnostics
- CISCO Troubleshoot with TAC Team
Certification
- Cisco Certified Network Associate
- Cisco SDWAN Certified
- CCNP Enterprise and Core
- Google Cloud Professional Architect
- Microsoft Azure - Certified Network Engineer
- EC Counsil- Ethical Hacker
- ITIL-V4- Foundation
- Fortinet Certified - NSE1, NSE2, NSE3
- Fortinet Certified- Network Security Associate
- Udemy Certified AWS and Linecode-Cloud Computing
- IBM Certified of Advance RDBMS
Languages
English
Elementary
A2
Hindi
Elementary
A2
Bengali
Proficient
C2
Hobbies
- Painting
- Playing Cricket
- Watching Movie
Timeline
Network Support Engineer
SIFY Digital Services
10.2024 - Current
Network Engineer
NTT Data Inc.
08.2022 - 09.2024
Desktop Support Engineer
CMS IT Services Private Limited
07.2021 - 07.2022
Bachelor of Computer Application - Information Technology
George College of Management and Science
Higher Secondary - Commerce
Duttapukur Mahesh Vidyapith