Senior Network Engineer

Williston Financial group•Irvine, CA

13h

About The Position

We are seeking a highly skilled Senior Network Engineer to join our Infrastructure team. This role is responsible for designing, implementing, securing, and supporting our enterprise network across datacenter, cloud, and remote environments. You will work with modern networking and security platforms including Meraki, Palo Alto, Prisma Access, Cisco Nexus, SD-WAN, Azure, and Cloudflare to deliver resilient, secure, and high-performing connectivity for our business. This position is ideal for someone who thrives in complex hybrid environments and enjoys blending traditional networking with cloud and security architecture.

Requirements

5+ years of enterprise network engineering experience
Hands-on experience with: Cisco Nexus (datacenter switching) Meraki (switching, wireless, SD-WAN) Palo Alto Firewalls Prisma Access VPN F5 BIG-IP Load Balancers GlobalProtect VPN Fiber Channel switching (SAN environments) Cloudflare (WAF, Zero Trust, DNS, edge security) Microsoft Azure networking SD-WAN technologies Network Monitoring Tools
Strong understanding of: BGP, OSPF, EIGRP VLANs, VXLAN, VRFs IPsec VPNs Network segmentation and Zero Trust architecture High availability design
Experience supporting hybrid cloud networking (datacenter + Azure)
Strong troubleshooting and root cause analysis skills
Bachelor degree in information technology, computer science or a related field.
Ability to quickly learn new or unfamiliar technology and products using documentation and internet resources.
Ability to work with all levels of staff within and outside of IT and outside the organization.
A self-starter able to work independently but comfortable working in a team environment.
Good analytical and problem-solving skills.
Dependable and flexible when necessary.
IP Routing: BGP, MP-BGP, OSPF, RIP, MPLS IP Routing Platforms ISR4K, ASR1K, ASR 9k.
Switching Protocols: VLAN, DOT1Q, RSTP, Ether channel (LACP & PAgP), vPC.
Switching Platforms: Cisco Nexus, Cisco Cat3K, 4K, 6K, 9K.
Security Protocols: IPSEC VPN, GRE, MAB, 802.1x, MACSEC.
Technologies: OSPF, BGP, MPLS, GRE, QoS, Multicast, DMVPN, SD Access, SDWAN, Cisco DNAc, VxLAN, 4G/5G, WiFi 6, IOTMS.
Next generation firewall configuration to include advanced packet insptection for SaaS and DLP.
Experince with hybrid on premise/cloud networkging MS Azure, Amazon AWS and Google GPC.
Ability to think through problems and visualize solutions.
Ability to create accurate network diagrams and documentation for design and planning network communication systems.

Responsibilities

Engage in WFG company culture that emphasizes engagement in our 4 Cs, quality of work and high performance.
Design, implement, and support enterprise LAN/WAN infrastructure
Manage and optimize Cisco Nexus datacenter switching environments
Configure and maintain fiber channel switches supporting SAN infrastructure
Deploy and manage Meraki switching, wireless, and SD-WAN solutions
Administer Palo Alto firewalls, including policies, NAT, threat prevention, and HA configurations
Support and optimize Prisma Access and GlobalProtect VPN environments
Implement and maintain secure connectivity between datacenter and Azure
Design, implement, and support F5 BIG-IP platforms for high availability, load balancing, and application security
Design and manage Cloudflare services (WAF, Zero Trust, tunnels, DNS, DDoS protection)
Maintain SD-WAN architectures for branch connectivity and performance optimization
Troubleshoot complex routing, switching, firewall, and VPN issues
Participate in network architecture planning and capacity management
Develop and maintain network documentation and diagrams
Collaborate with security, cloud, and infrastructure teams to ensure alignment
Participate in on-call rotation and incident response as required