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Bhaskar

@bhaskark96

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Enterprise Network & Network Security Engineer

$30 USD / Hour

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Flag of INDIA

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%

Portfolio

Portfolio

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Experience

Independent Network Consultant / Network Engineer

Jul, 2025 - Present

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1 year, 2 months

Mymobiforce,Digitech,Careinfotech,Freelancer.com,GlobalXpert

Jul, 2025 - Present

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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.

Flag of INDIA

Kolkata, India

Jul, 2025 - Present

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1 year, 2 months

Network System Admin

Dec, 2024 - Jun, 2025

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6 months

Unisys India Pvt.ltd

Dec, 2024 - Jun, 2025

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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.

Flag of INDIA

Bengaluru, India

Dec, 2024 - Jun, 2025

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6 months

Sr. Network Engineer

Aug, 2023 - Nov, 2024

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1 year, 3 months

Algo app Digital Pvt.ltd-KPMG

Aug, 2023 - Nov, 2024

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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.

Flag of INDIA

Kolkata, India

Aug, 2023 - Nov, 2024

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1 year, 3 months

Education

West Bengal University of Technology

2009 - 2013

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4 years

Bachelor of Technology

Flag of INDIA

India

2009 - 2013

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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

LinkedIn

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 - Level 1

Network Programming

Registered Users

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