• Implementation, Upgrades, Support & Troubleshooting • Hands-on experience with cloud networking, Palo Alto firewalls in Azure & AWS, and segmentation platforms such as Illumio Core/Cloud and Guardicore (Akamai Segmentation) • Implement and maintain micro-segmentation policies, including application dependency mapping, rule-set creation, and enforcement across hybrid workloads • Experience designing and supporting segmentation architectures to enhance security posture and reduce lateral movement risks • Strong understanding of zero-trust network segmentation principles and how they apply to enterprise network security • Extensive experience implementing and maintaining firewalls and staying updated on newly released security vulnerabilities and their impact on the network • Perform ongoing optimization of network security devices and segmentation platforms to ensure adequate capacity, availability, and scalability • Implement, troubleshoot, and document network security infrastructures and segmentation deployments, including policy testing, traffic flows, and enforcement validation • Expertise in modifying firewall rule sets, segmentation rules, changing security policies, whitelisting, content filtering, and troubleshooting traffic flows across firewalls, segmentation tools, routers, and switches • Strong knowledge of Layer 4–7 app-aware firewalls and micro-segmentation traffic policies • Establish and modify site-to-site VPNs and secure connectivity paths for segmented workloads • Manage threat protection, URL blocking, IOC feeds, routers, switches, segmentation policies, and endpoint enforcement controls • Periodically monitor firewall and segmentation agent health, performance, and capacity across global environments • Participate in Change Management processes, including creating change requests, performing peer reviews, validating segmentation change impact, and executing firewall or segmentation modifications • Develop detailed build and test plans for implementing firewalls and segmentation deployments • Coordinate with IT teams to ensure standardized network and segmentation configurations, control frameworks, and enforcement practices • Recommend enhancements to improve network reliability, segmentation accuracy, security posture, and operational performance • Collaborate globally with IT teams—security, cloud, data center, and application teams—to resolve issues and ensure network/segmentation alignment • Define reusable network and micro-segmentation patterns for branch, data center, and cloud environments • Document segmentation deployments, firewall standards, policy frameworks, and configuration baselines • Experience with network automation tools such as Ansible, Terraform, Python (e.g., automating policy pushes, firewall rules, segmentation updates) • Wireless network design, support, and troubleshooting • Understanding of TCP/IP Stack, AD, DNS, DHCP, Routing (BGP, OSPF, VXLAN), and east-west traffic considerations for segmentation • Participate in disaster recovery exercises, including validating segmented application recovery paths and connectivity requirements • Resolve escalations for complex technical problems involving firewalls, segmentation agents, cloud networking, and hybrid routing • Participate in incident management and problem resolution for global network and segmentation issues • Design and implement cloud network architectures using best practices, incorporating segmentation and zero-trust principles • Deploy and troubleshoot firewall based decryption of HTTPS traffic • Integration of cloud networking environments into global corporate network using direct connections, SDWAN, and security architectures • Troubleshoot application traffic flows with application developers through complex multi-cloud environments • Design, implement, deploy, and troubleshoot IPsec VPNs.