Network Infrastructure Engineer

  • Information Resource Group, Inc.
  • Clinton, Mississippi
  • Full Time

Position Title: Network Infrastructure Engineer

Location: Clinton, MS - 100% Onsite

Duration: 8 months

Summary:
This position is responsible for the design, implementation, security, and ongoing support of clients enterprise data center and campus network infrastructure. The engineer will work with Cisco ACI, SoftwareDefined Access (SDA), Cisco Identity Services Engine (ISE), Cisco Catalyst platforms, and observability tools including ThousandEyes, Cyber Vision, and DNA Spaces. The role also includes the administration of Palo Alto firewalls supporting statewide systems.

Major Responsibilities

  • Cisco ACI fabric design and administration (VRF, BD, EPG/ESG, L3Out).
  • ACI integrations with OpenShift VMM and Cilium/Isovalent.
  • Catalyst and SDA wired/wireless fabric deployment and support.
  • Identitydriven access configuration using Cisco ISE (TACACS+, authentication/authorization, device profiling).
  • ThousandEyes monitoring, Cyber Vision integration, and DNA Spaces analytics.
  • Palo Alto nextgeneration firewall configuration, policy development, and troubleshooting.
  • Network documentation, lifecycle planning, and support of missioncritical services.

Required Knowledge/Skills

  • Cisco ACI, Nexus platforms, multitenant segmentation.
  • SDA campus architectures.
  • Cisco ISE policy sets and NAC.
  • Palo Alto firewall administration and security profiles.
  • Strong L2/L3 routing and switching skills.
  • Ability to support highavailability, enterprisescale infrastructure.

Recommended Certifications

  • CCNA
  • CCNP Data Center
  • CCNP Enterprise
  • Cisco Specialist – ACI, SDA, or ISE
  • PCNSA (Palo Alto)
  • PCNSE (Palo Alto)
  • ThousandEyes, Cyber Vision, or related platform training
Job ID: 523507533
Originally Posted on: 6/3/2026

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