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CISCO Network Engineer

CISCO Network Engineer

NTD SoftwareCambridge, MA, US
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CISCO Network Engineer

We are seeking a Tier 3 Network Engineer with strong Cisco wireless expertise to join our team. This role focuses on enterprise wireless networking across large / global environments, supporting day-to-day operations, complex escalations, and high-impact projects.

You'll be part of a global team owning the hardware / platform operations, while the security team focuses on policy. Expect exposure to SD-WAN and firewalls, but the main priority is Cisco Wireless (controllers, APs, authentication, RF performance).

Key Responsibilities :

  • Act as Tier 3 escalation point for Cisco wireless (controllers, APs, roaming, RF, authentication).
  • Lead complex troubleshooting across WLAN / LAN / WAN, including spectrum analysis, packet flow, and RF interference.
  • Implement, optimize, and support Cisco wireless infrastructure (9800 / Catalyst controllers, DNA Center / Prime, ISE / 802.1X ).
  • Support enterprise projects (e.g., site setup, migrations, cutovers, stabilization).
  • Collaborate with the security team (policy) while owning configs, deployment, and uptime on the network side.
  • Create and maintain documentation (runbooks, designs, SOPs, network diagrams).
  • Partner with Cisco TAC / vendors for escalations and RCA.
  • Participate in a future rotating on-call schedule for 24 / 7 global support.

Required Qualifications :

  • 7+ years professional experience as a Network Engineer.
  • Strong Cisco wireless expertise : controllers (9800 / Catalyst), APs, authentication, roaming, RF fundamentals.
  • Hands-on experience with DNA Center / Prime, ISE, 802.1X , AAA, and RADIUS / DHCP / DNS.
  • Proven Tier 3 / escalation background in large / global enterprise environments.
  • Excellent troubleshooting skills (packet flow, QoS, site surveys, RF optimization).
  • Strong communication, collaboration, and documentation skills.

    • Nice to Have :

  • SD-WAN (Cisco Viptela or similar).
  • Firewall administration (Cisco ASA / FTD / Firepower).
  • Automation (Python, Ansible) for network operations.
  • Certifications : CCNP (Enterprise / Wireless) required, CCIE preferred (or in progress).

    • What We're Looking For :

  • Wireless-first : deep Cisco WLAN experience is the core requirement.
  • A Team Player who communicates well with global teams.
  • Comfortable documenting and presenting technical solutions.
  • Excited to grow with usespecially if working toward a CCIE.
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    Network Engineer • Cambridge, MA, US