Tahseen R

Sr AWS Cloud Network Engineer

Capgemini

Nov 2021 - Present • 4 yrs 6 mos

At Minfy, I design and implement enterprise-grade cloud and network architectures that ensure scalability, security, and business continuity. My role bridges traditional networking with cloud-native solutions on AWS, helping enterprises accelerate their digital transformation journeys. Key Responsibilities: Architecting and deploying AWS networking solutions: VPC, Transit Gateway, Direct Connect, VPNs, VGW, Elastic Load Balancing, and WAF. Designing hybrid connectivity architectures, integrating on-premises data centers with AWS using Direct Connect and VPNs. Implementing and managing next-generation firewalls including FortiGate and Palo Alto Networks, focusing on advanced threat protection, segmentation, and secure remote access (SSL/IPSec VPNs). Configuring and optimizing routing, switching, and load balancing for high availability and performance. Driving network security initiatives, ensuring compliance with enterprise-grade standards. Collaborating with cross-functional teams to translate business requirements into secure, resilient architectures. Leading cloud migration and adoption projects, ensuring cost-efficiency, scalability, and security. Key Achievements: Delivered secure hybrid architectures integrating AWS and on-premises using Transit Gateway, Direct Connect, and next-gen firewalls. Designed firewall policies and VPN solutions on FortiGate and Palo Alto, enabling secure multi-tenant environments for enterprise clients. Enhanced customer environments by implementing robust security frameworks and high-availability architectures across cloud and network layers.

Senior Network Security Engineer

Oracle

Mar 2020 - Nov 2021 • 1 yr 8 mos

At Cerner, I was responsible for the design, deployment, and management of enterprise-scale network and security infrastructures, ensuring secure, highly available, and performance-optimized environments for critical healthcare applications. My role combined advanced data center networking, application delivery, and security with cloud adoption on AWS. Key Responsibilities: Implemented and managed next-generation firewalls (FortiGate and Palo Alto) for threat prevention, segmentation, VPNs, and secure access. Designed and administered F5 Load Balancers (LTM/GTM) to provide application availability, SSL offloading, and global traffic management. Worked on Cisco ACI-based data center networking, enabling policy-driven automation and scalable fabric architectures. Led routing and switching design across enterprise WAN/LAN, ensuring redundancy, high availability, and optimized performance. Integrated AWS networking services (VPC, VPNs, Direct Connect) with on-premises environments for hybrid workloads. Partnered with application, security, and cloud teams to deliver secure, resilient, and compliant network architectures. Key Achievements: Successfully implemented ACI fabric, improving data center agility and automation. Enhanced application availability with F5 LTM/GTM, optimizing load balancing and traffic routing for global users. Designed and enforced robust firewall policies on Palo Alto and FortiGate, strengthening the organization’s security posture.

Network Administrator

Tata Consultancy Services

Apr 2015 - Feb 2020 • 4 yrs 10 mos

At TCS, I was responsible for enterprise network operations, security, and data center infrastructure, ensuring secure, reliable, and high-performance connectivity. Alongside traditional networking and security, I also gained exposure to AWS cloud networking, building the foundation for my later roles as a cloud and network architect. Key Responsibilities: Configured and managed enterprise firewalls (FortiGate, Palo Alto, Cisco ASA) for access policies, VPNs, and threat prevention. Designed, implemented, and troubleshot routing and switching solutions (Cisco IOS/NX-OS) for LAN, WAN, and data center networks. Provided end-to-end troubleshooting for data center devices including core switches, firewalls, and load balancers. Deployed and supported enterprise wireless solutions, ensuring secure and reliable Wi-Fi coverage. Maintained VoIP infrastructure (Cisco Unified Communications, IP telephony) for business-critical voice services. Gained hands-on experience with AWS networking basics including VPC, VPN connectivity, and EC2 deployments to support hybrid solutions. Delivered L2/L3 troubleshooting and optimization for both on-premises and cloud-connected environments. Key Achievements: Improved data center performance and uptime by optimizing routing, switching, and firewall configurations. Enhanced security posture by deploying next-gen firewall policies and VPN solutions across multiple client environments. Strengthened enterprise collaboration by stabilizing and optimizing VoIP and wireless networks. Built early AWS networking experience (VPC, EC2, VPN), laying the foundation for future cloud and hybrid architecture roles