Ridhwan

Zero Trust Software-Defined Perimeter Engineer

ExxonMobil • Fulltime

Jul 2025 - Present • 11 mos

Responsible for designing, deploying, and maintaining enterprise Zero Trust Network Access (ZTNA) infrastructure using Appgate Software-Defined Perimeter (SDP) across VMware and AWS environments. • Designed and deployed highly available Appgate SDP gateways and controllers across enterprise infrastructure • Managed cloud and on-premises environments running on AWS and VMware platforms • Performed platform upgrades, patching, security hardening, and lifecycle management • Implemented infrastructure automation and operational procedures to improve reliability and reduce downtime • Monitored system performance, capacity, availability, and security compliance • Troubleshot complex production incidents across networking, cloud, operating systems, and application layers • Collaborated with security, infrastructure, networking, and application teams to deliver secure solutions • Worked closely with vendor engineering teams to optimize platform scalability and performance • Supported disaster recovery, high availability, and business continuity requirements • Developed operational documentation, deployment procedures, and technical runbooks • Participated in infrastructure planning, architecture reviews, and production readiness activities Technologies: AWS, VMware, Linux, Zero Trust Architecture, Appgate SDP, Infrastructure Engineering, DevOps, Automation, Monitoring, Networking, Security Hardening, High Availability, Disaster Recovery, Production Support

Network Automation Engineer

Dell • Fulltime

Mar 2017 - Jun 2025 • 8 yrs 3 mos

Responsible for designing and developing automation solutions for enterprise network operations, supporting large-scale network infrastructure, SD-WAN environments, and cloud-integrated systems. • Developed internal web applications, APIs, and automation platforms to streamline network operational workflows • Built network automation solutions using Python, REST APIs, and infrastructure automation tools to reduce manual effort and improve operational efficiency • Designed and maintained CI/CD pipelines, containerized applications, and cloud-native deployments • Developed monitoring, reporting, analytics, and operational dashboards for network visibility and troubleshooting • Supported enterprise-scale network infrastructure, production environments, and mission-critical services • Collaborated with network, security, cloud, and application teams to improve system reliability and operational performance • Automated network provisioning, configuration management, health checks, compliance validation, and incident response workflows • Worked extensively with Cisco networking technologies including routing, switching, wireless, and network security solutions • Supported Versa SD-WAN deployments, troubleshooting, policy management, and operational support • Developed integrations between network platforms, monitoring systems, and operational tools using APIs and automation frameworks • Participated in network architecture reviews, capacity planning, operational readiness, and infrastructure modernization initiatives Technologies: Python, FastAPI, REST APIs, Network Automation, Cisco Routing & Switching, Cisco Wireless, Cisco Security, Versa SD-WAN, AWS, Docker, Kubernetes, Linux, CI/CD, Monitoring & Observability, Infrastructure Automation, Cloud Infrastructure, System Architecture, Production Support