Senior Network Engineer | Cisco ACI, Firewalls & VPN

Acestack; Olathe (KS); On-site; USD 90,000 - 130,000; Full time

Job summary

Acestack is seeking a Network Engineer in Olathe, KS to lead advanced network support across LAN, WAN, DC, and security domains. You will implement Cisco ACI or SDA architectures, manage Palo Alto firewalls and Panorama, optimize wireless networks, design and troubleshoot IPSec VPNs, and administer Infoblox DDI with failover and automation.

The role requires hands-on troubleshooting, real-time packet capture with Wireshark, and strong collaboration with cross-functional teams in a fast-paced

Qualifications

• Expert in implementing, and support Cisco ACI (policy model, contracts, EPGs, fabric troubleshooting).
• Administer and troubleshoot Palo Alto Firewalls including: Security policies, NAT, routing; VPN (IPSec, site-to-site, remote access); Panorama management and threat prevention profiles.
• Manage and support enterprise wireless networks (Cisco, Aruba, or equivalent), including RF optimization, roaming, and high-density deployments.
• Design, configure, and troubleshoot IPSec VPNs, including third-party interoperability.
• Administer Infoblox DDI (DNS, DHCP, IPAM) including grid management, failover, and automation integration.
• Lead hands-on P1 troubleshooting for complex network issues across Application, LAN, WAN, DC, and security domains.
• Real-time packet capture skills to investigate complex issues during live P1 calls. (Wireshark)

Responsibilities

• Troubleshooting Level 3 and advanced network issues during high-pressure factory environments.
• Investigate causes, test solutions and suggest fixes to reduce ticket resolution time.
• Manage new and existing equipment, hardware, and network device software upgrades.
• Understand network support priorities and actively contribute to goals.
• Lead operational issues independently in high-pressure situations with multiple stakeholders.
• Assist Level 1 & Level 2 resources in addressing network issues.
• Strong understanding of routing and switching protocols.
• Communicate complex technical issues clearly and effectively.
• Be resourceful and able to work independently.
• Demonstrate strong time management and attention to detail.

Skills

Cisco SDA

DNA Center

ISE integration

Cisco ACI

Palo Alto Firewalls

PAN-OS

Panorama

Wireless design

RF analysis

VPN IPSec

Infoblox DNS/DHCP/IPAM

Wireshark

Networking fundamentals

Tools

Cisco ACI APIC

EPGs/Contracts

Firewall management tools

NAT

Job description

Acestack is seeking a Network Engineer in Olathe, KS to lead advanced network support across LAN, WAN, DC, and security domains. You will implement Cisco ACI or SDA architectures, manage Palo Alto firewalls and Panorama, optimize wireless networks, design and troubleshoot IPSec VPNs, and administer Infoblox DDI with failover and automation.

The role requires hands-on troubleshooting, real-time packet capture with Wireshark, and strong collaboration with cross-functional teams in a fast-paced