Senior Network Security Administrator

Salary: $75,000 - 100,000 per year Requirements: We need 3+ years of experience in enterprise networking and at least 2 years in firewall administration. We prefer hands-on experience with Palo Alto Networks, including Panorama and GlobalProtect, along with Cisco switching and routing, VPNs, and network monitoring tools. Preferred certifications include PCNSA, PCNSE, CCNP (Enterprise or Security), Security+, or CISSP, though equivalent experience is also acceptable. Responsibilities: We design, implement, and maintain enterprise LAN/WAN environments, VLANs, and high-availability data center network architectures. We configure and support Layer 2 and Layer 3 technologies, including trunking, spanning tree, and dynamic routing protocols such as BGP and OSPF. We administer Palo Alto firewalls through Panorama, manage security and NAT policies, and strengthen network segmentation using Zero Trust principles. We oversee network monitoring, capacity planning, packet analysis, incident resolution, and technical documentation. We also assist with broader IT support and infrastructure tasks beyond network administration when needed. Technologies: Cisco ERP Firewall Support LAN NAT Network Security VPN More: FDM4 is a leading ERP and eCommerce software provider supporting customers across North America. We offer the opportunity to work on enterprise-class technologies and large-scale modernization initiatives while directly shaping our network architecture and security strategy. Our team values reliability, collaboration, and continuous improvement. This is an in-office position with a salary range of 75,000 to 100,000. We also offer PTO, health, dental and vision benefits, a pension, company events, life insurance, and on-site parking. last updated 34 week of 2026