Senior Network Engineer – Cisco ACI & SDA

Henderson Scott; Sparks (NV); On-site; USD 120,000 - 180,000; Full time

Job summary

Henderson Scott in Sparks, NV is seeking a Senior Network Engineer to own and optimize a mission-critical enterprise network for a major manufacturing operation. You will tackle advanced routing, data center and security tasks, taking ownership of high-stakes incidents and ensuring continuous availability across critical systems.

You will work hands-on across Cisco ACI, SDA, Palo Alto, Infoblox, VPNs and wireless, guiding complex troubleshooting, live packet captures and root-cause analysis

Qualifications

• Hands-on experience with APIC, EPGs, contracts, fabric health and troubleshooting.
• Experience with Cisco DNA Center / Catalyst Center and SD-Access fabric.
• Firewall administration including NAT, policies, and threat prevention.
• Experience with DNS, DHCP, IPAM and high availability.
• RF troubleshooting and wireless optimization for enterprise networks.
• Configuration and troubleshooting IPSec VPNs across multi-vendor environments.
• Strong routing: BGP, OSPF, TCP/IP, VLANs.
• Proven ability to lead major network incidents and root-cause analysis.

Responsibilities

• Support, configure and troubleshoot Cisco ACI and enterprise network infrastructure.
• Manage Palo Alto firewalls, Panorama, enterprise wireless and VPN connectivity.
• Maintain Infoblox DNS, DHCP and IPAM services.
• Lead complex L3 troubleshooting and P1 production incidents.
• Investigate network issues using packet captures, Wireshark and root-cause analysis.
• Support network upgrades and ongoing infrastructure reliability.

Skills

Cisco ACI

SDA

Palo Alto & Panorama

Infoblox DDI

Enterprise wireless

IPSec VPNs

Advanced networking

P1 incident ownership

Job description

Take ownership of a business-critical enterprise network supporting a major manufacturing operation.

We're looking for an experienced, hands-on Senior Network Engineer who thrives on solving complex networking challenges and keeping large-scale, high-availability environments running smoothly.

This is a senior technical position where you'll take ownership of critical incidents, troubleshoot complex infrastructure and work across data centre, campus networking and security technologies.

What you'll do

• Support, configure and troubleshoot Cisco ACI and enterprise network infrastructure.
• Manage Palo Alto firewalls, Panorama, enterprise wireless and VPN connectivity.
• Maintain Infoblox DNS, DHCP and IPAM services.
• Lead complex L3 troubleshooting and P1 production incidents.
• Investigate network issues using packet captures, Wireshark and root-cause analysis.
• Support network upgrades, improvements and ongoing infrastructure reliability.

Must have

• Cisco ACI: Strong hands‑on experience with APIC, EPGs, contracts, fabric health and troubleshooting.
• Cisco SDA (Software-Defined Access): Practical experience with Cisco DNA Center / Catalyst Center, SD-Access fabric and policy-based segmentation.
• Palo Alto & Panorama: Hands‑on firewall administration, security policies, NAT, routing and threat prevention.
• Infoblox DDI: Experience administering DNS, DHCP, IPAM, Grid management and high availability.
• Enterprise wireless: Cisco, Aruba or equivalent, including RF troubleshooting, roaming and wireless optimisation.
• IPSec VPNs: Configuration and troubleshooting across multi-vendor environments.
• Advanced networking: Strong BGP, OSPF, TCP/IP, VLANs and enterprise routing/switching.
• P1 incident ownership: Proven ability to independently lead major network incidents and perform live packet-level troubleshooting using Wireshark.

An experienced engineer who is genuinely hands‑on, confident troubleshooting complex production networks and comfortable taking technical ownership when critical systems are impacted.

Experience supporting manufacturing, industrial or other business‑critical environments would be particularly valuable.

If you're a senior networking professional with strong Cisco ACI and SDA experience and enjoy solving challenging infrastructure problems, I'd welcome a conversation.