Design, implement, and maintain scalable, secure network infrastructure across data centers, remote sites, and cloud environments (AWS and Azure).
Architect and operate routing and switching infrastructure including BGP, NAT, VLANs, Spanning Tree, IPsec VPNs, PBR, and HSRP.
Manage and tune enterprise firewall platforms (Cisco, pfSense, Check Point) in alignment with PCI DSS segmentation and access control requirements.
Administer and optimize F5 BIG-IP LTM/GTM for application delivery, load balancing, and traffic steering across production environments.
Manage Cloudflare DNS, WAF, and network security policies for internet-facing properties.
Maintain network security policy management via FireMon; contribute to access path analysis and rule lifecycle management.
Evaluate, deploy, and operationalize free open-source software (FOSS) as replacements for commercial products where appropriate (e.g., network monitoring, IPAM, configuration backup).
Manage Proxmox-based virtualization as it relates to network-adjacent workloads and VM/LXC networking.
Coordinate with vendors and carriers to manage WAN circuits, resolve outages, and drive cost optimization.
Maintain comprehensive documentation for network topology, configurations, and operational runbooks; support PCI DSS and SOC 1 Type 2 audit evidence collection.
Participate in on-call rotation and be available for after-hours work including unscheduled incidents.
Travel to domestic data center and office locations as needed to support deployments or incidents.
Requirements
10+ years of hands-on enterprise networking experience in large-scale, multi-site environments.