Balasubramanian W

About Balasubramanian W

Enterprise Network & Cloud Architect with 18+ years driving digital transformation and infrastructure optimisation for global organisations. Quadruple CCIE #29665 (R&S, SP, DC, Security) with a proven track record of reducing operational costs by 20% and delivering $500K+ annual savings through automation and cloud migration. Expert in leading cross-functional teams to design and implement enterprise-scale solutions spanning AWS, Azure, SDN/NFV, and cybersecurity. Passionate about leveraging AI and automation to solve complex infrastructure challenges and mentor next-generation engineering talent.CERTIFICATIONS & CREDENTIALSQuadruple CCIE #29665 (Routing & Switching, Service Provider, Data Center, Security)AWS Certified Solution Architect Azure Certified Solution ArchitectAzure Security ExpertVMware Certified ProfessionalITIL Certified Coursera Certified Python Developer TECHNICAL EXPERTISE Cloud & Infrastructure: AWS, Azure, OpenStack, Terraform, Azure DevOps, CI/CD Pipelines, Hybrid Cloud ArchitectureNetwork Architecture & Design: Cisco ACI, VMware NSX, SD-WAN (Velocloud, Viptela), NFV, MPLS (L2VPN/L3VPN), Routing Protocols (BGP, OSPF, ISIS, EIGRP), Data Center Fabric (Nexus, UCS)Security & Compliance: Palo Alto Firewalls, SASE, Prisma Cloud, Panorama, Next-Gen Firewalls, Zero Trust Architecture, Checkpoint VSX, IPSec VPN, Information SecurityAutomation & DevOps: Python, Ansible, RESTful APIs, Yang Modeling, Git/GitHub, YAML, JSON, Quagga, Cumulus Linux, AI, AgenticEmerging Technologies: Azure OpenAI, Generative AI, Agentic AI, Power BI, Full Stack Development (JavaScript, HTML, CSS)Leadership & Business: Team Leadership & Mentoring, Budget Planning & Resource Allocation, Vendor Negotiations, Stakeholder Management, Process Optimization, Competency Development

Experience

1. Manager Network Engineering, Enterprise Networks

   Linkedin

   Oct 2018 — Present · Bangalore, IN

   Manager, Network EngineeringLinkedin • 18+ years of experience in managing information technology networks and compute infrastructures, Cloud design and implementation.• Mange a team of 10+ network engineers to design, implement, and maintain a global network & cloud infrastructure supporting users.• Achieved 20% cost reduction by automating network tasks, renegotiating vendor contracts, and consolidating infrastructure. Reduce manual errors by 15% and improve uptime through automation. Migrated legacy systems to Azure cloud, cutting hardware maintenance costs by $500k annually.• Collaborated with finance and procurement teams to develop network budgets, monitor expenditures, and drive cost-saving initiatives without compromising performance or security.• 5+ years of writing code (primarily Ansible and Python, API) to automate various network tasks such as device configuration, change management, monitoring• Strong programming skills in Python, Ansible, Terraform, Restful API, YAML, JSON and Yang Modeling.• Expert in cloud networking functionality cloud network technologies, network virtualization, VPN, overlay architectures and firewalls.• Experience with performance analysis, troubleshooting, tuning, and capacity planning.• Migration: Knowledge of data center migration and the transition from legacy to Azure cloud services. Build a New DC, POP and SDWAN Design.• Azure Cloud leads the design and architecture for public cloud connectivity such as Express Route, Routing Design, and Security Architecture within the cloud.• Strong knowledge with Palo Alto Firewalls, Panorama Management, SASE and covering IPS, de-encryption and firewall management• Design, develop and maintain the Security posture of the enterprise level applications.• Strong experience in wireless and mobility network architecture, design, planning, assessment, and implementation using Aruba Mobility Master and controller-based approach.

Education

• Madurai Kamaraj University

  Bachelor of Engineering (BE), Electrical and Electronics Engineering

  1997 — 2001

Skills

• Cloud Computing
• Ucs B Series Chassis
• Open Shortest Path First (Ospf)
• Ccie Service Provider
• Cisco Nexus
• Quality of Service (Qos)
• Vmware Esx
• Multiprotocol Label Switching (Mpls)
• Cisco Ios
• Routing
• Network Architecture
• Ip
• Cisco Certified Internetwork Expert (Ccie)
• Vmware
• Openstack
• Internet Protocol (Ip)
• Routing Protocols
• Ccie R&S
• Nso
• Aci
• Mpls
• Data Center
• Cisco Ucs
• Network Design
• Telecommunications
• Border Gateway Protocol (Bgp)
• Cspc
• Amazon Web Services (Aws)
• Itil
• Bgp
• Python
• Ansible
• Tcp/Ip
• Cisco Technologies
• Ccie Data Center
• Nfvi
• Nfv
• Networking
• Amazon Ec2
• Ospf