EXPLORE


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$30 USD / Hour
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India (12:57 PM)
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Joined on July 16, 2026
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1 Recommendation
$30 USD / Hour
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I am a Network & Network Security Engineer with **12+ years of experience** in enterprise network deployment, operations, administration, and troubleshooting. I have worked in large-scale environments supporting **15,000+ network devices globally**, delivering reliable network performance and reducing incident resolution times through effective troubleshooting and operational excellence. My expertise includes: ✅ Routing & Switching (BGP, OSPF, EIGRP, VLANs, STP, VXLAN, VPC, Port Channels) ✅ Enterprise Networking (LAN, WAN, VPN, TCP/IP, DNS, HTTP/HTTPS) ✅ Network Security (FortiGate, Palo Alto, Firewall Policies, VPN Security, ACLs, Threat Analysis) ✅ SD-WAN, Cisco ACI, Nexus, Arista, Aruba, and Enterprise Wireless Networks ✅ Network Monitoring & Troubleshooting (Wireshark, SolarWinds, PRTG, FortiAnalyzer, Cisco DNAC) ✅ L2/L2.5 Network Support, Incident Management, RCA, and Change Implementation ✅ System Administration (Windows, Linux Basics) and Network Operations Support I have hands-on experience with Cisco, Fortinet, Palo Alto, Aruba, Arista, and other enterprise networking technologies across data center, ISP, and corporate environments. My focus is on delivering stable, secure, and scalable network solutions while following industry best practices. **Why Choose Me?** ✅ 12+ Years of Enterprise Networking Experience ✅ Fast Response & Professional Communication ✅ Strong Troubleshooting & RCA Skills ✅ Remote and On-Site Support Experience ✅ Commitment to Quality Project Delivery
Verifications
Accept rate
100%

Cisco to SDWAN Router Migration

Cisco to SDWAN Router Migration

IT Infrastructure Setup for Small ✅

IT Infrastructure Setup for Small ✅

Upgraded to Aruba Switches and Aps ✅

Upgraded to Aruba Switches and Aps ✅

Installed Fortinet FortiGate 200F ✅

Installed Fortinet FortiGate 200F ✅

New Data Center Implementation ✅

New Data Center Implementation ✅

New Data Center Implementation ✅

New Data Center Implementation ✅

New Data Center Implementation ✅

Enterprise Network Infrastructure

Cisco to SDWAN Router Migration

Cisco to SDWAN Router Migration

IT Infrastructure Setup for Small ✅

IT Infrastructure Setup for Small ✅

Upgraded to Aruba Switches and Aps ✅

Upgraded to Aruba Switches and Aps ✅

Installed Fortinet FortiGate 200F ✅

Installed Fortinet FortiGate 200F ✅

New Data Center Implementation ✅

New Data Center Implementation ✅

New Data Center Implementation ✅

New Data Center Implementation ✅

New Data Center Implementation ✅

Enterprise Network Infrastructure

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Experience
Independent Network Consultant / Network Engineer
Jul, 2025 - Present
•
1 year, 2 months
Mymobiforce,Digitech,Careinfotech,Freelancer.com,GlobalXpert
Jul, 2025 - Present
•
1 year, 2 months
•Providing network support for client data center environments. •Configuring and maintaining LAN/WAN infrastructure across client data centers. •Installing and managing Cisco, Arista, and Aruba switches, routers, and wireless solutions. •Working on FortiGate, Palo Alto firewalls, Cisco ACI, Nexus, and enterprise network technologies. •Performing network migrations and change implementations with minimal downtime. •Providing remote and on-site support for client data center operations.

Kolkata, India
Jul, 2025 - Present
•
1 year, 2 months
Network System Admin
Dec, 2024 - Jun, 2025
•
6 months
Unisys India Pvt.ltd
Dec, 2024 - Jun, 2025
•
6 months
•Provided L2/L2.5 support in enterprise network environments. •Worked on FortiGate, Palo Alto Firewalls and Cisco routers, Cisco ACI, Nexus, Arista, Aruba Switches and Access Points. •Handled P1–P4 incidents, RCA, and CAB implementations. •Performed firmware upgrades via Cisco DNA Center. •Worked on IP reservation, network diagrams, and troubleshooting.

Bengaluru, India
Dec, 2024 - Jun, 2025
•
6 months
Sr. Network Engineer
Aug, 2023 - Nov, 2024
•
1 year, 3 months
Algo app Digital Pvt.ltd-KPMG
Aug, 2023 - Nov, 2024
•
1 year, 3 months
•Configured and maintained routers, switches, APs, LAN/WAN/VPN. •Worked on FortiGate, Palo Alto Firewalls and Cisco routers, Cisco ACI, Nexus, Arista, Aruba Switches and Access Points. •Resolved complex network performance issues. •Conducted system upgrades and monitoring. •Collaborated on network design and improvements. •Managed vendor coordination and escalations. •Identified and resolved network performance issues.

Kolkata, India
Aug, 2023 - Nov, 2024
•
1 year, 3 months
Education
West Bengal University of Technology
2009 - 2013
•
4 years
Bachelor of Technology

India
2009 - 2013
•
4 years
Qualifications
NSE 4 Network Security Professional
2023
Fortinet
Certified in Fortinet NSE 4 with hands-on experience in FortiGate firewall configuration, VPN deployment, routing, security policies, NAT, threat protection, and enterprise network security.
2023
Cisco Certified Specialist – Enterprise Core
2025
Cisco
Earned the Cisco Certified Specialist – Enterprise Core certification, demonstrating expertise in enterprise network infrastructure, routing and switching, dual-stack architecture, virtualization, infrastructure security, automation, and network assurance. This certification validates the skills required to design, implement, operate, and troubleshoot modern enterprise networks.
2025
Publications
Enterprise Network Troubleshooting: Best Practices for Cisco, FortiGate, and Palo Alto Environments
2026
Senior Network Engineer with 12+ years of experience in enterprise networking. Skilled in Cisco ACI, Nexus, Routing & Switching, Aruba, FortiGate, Palo Alto, VPNs, LAN/WAN, and network security. I specialize in network design, deployment, troubleshooting, monitoring, firewall configuration, and performance optimization. I deliver secure, reliable, and scalable network solutions with fast issue resolution and minimal downtime.
2026
Certifications
P
Preferred Freelancer Program SLA
Network Programming