Lumos

IT Engineer, Network Infrastructure

Lumos

full-time

Posted on:

Origin:  • 🇺🇸 United States • North Carolina, Virginia

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Job Level

Mid-LevelSenior

Tech Stack

AnsibleCloudFirewallsPythonSwitchingVMware

About the role

  • Design, deploy, and maintain Cisco ACI fabrics, including tenant configuration, contracts, policies, and integration with virtualization platforms.
  • Configure, administer, and optimize Palo Alto firewalls, including security policies, VPNs, threat prevention, and high availability.
  • Lead advanced troubleshooting and performance optimization for routing and switching protocols, including BGP, EIGRP, and OSPF.
  • Manage and maintain core, distribution, and access-layer network devices to ensure reliable operations across multiple sites.
  • Collaborate with security teams to ensure network compliance with industry standards and best practices.
  • Monitor network health and performance using enterprise monitoring tools, proactively identifying and resolving issues.
  • Provide input on capacity planning, architecture improvements, and technology refresh strategies.
  • Create and maintain network documentation, including diagrams, standards, and procedures.
  • Serve as a subject matter expert for escalations and mentor junior engineers.

Requirements

  • Bachelor’s degree in computer science, information technology, or related field (or equivalent hands-on experience).
  • Minimum of 5 years of experience in enterprise network engineering roles.
  • Demonstrated expertise with Cisco ACI (design, implementation, and operations).
  • Proven experience administering and securing Palo Alto Networks firewalls (PAN-OS, Panorama).
  • Strong background in routing and switching protocols: BGP, EIGRP, OSPF, VLANs, and spanning-tree.
  • Hands-on experience with layer 2/3 troubleshooting, packet capture, and traffic analysis tools.
  • Solid understanding of network security concepts including segmentation, threat detection, and zero-trust principles.
  • Familiarity with high availability and disaster recovery networking designs.
  • CCNP
  • CCIE
  • PCNSE