Senior Network Engineer – Cisco ACI

hace 2 semanas

Colombia CRG Solutions A tiempo completo $8.000.000 - $20.000.000 al año

At CRG we are seeking a Senior Network Engineer with extensive experience in Cisco Application Centric Infrastructure (ACI) and Cisco Nexus platforms to join our engineering team. The ideal candidate will play a key role in the support of large-scale data center and enterprise network environments. This role requires strong expertise in routing and switching, ACI fabric management, automation, and troubleshooting complex network infrastructures.

Requirements:

  • Fluent in English. High Proficiency level (must).
  • CCNP or CCIE Data Center certification.
  • 5+ years of hands-on experience with Cisco ACI including APIC, fabric setup, multi-site architectures, contracts, and policies.
  • Proficient in troubleshooting fabric discovery, endpoint learning, static bindings, Bridge Domains, and L3Out configurations.
  • Strong knowledge of ACI device provisioning, upgrades, and APIC GUI navigation.
  • Experience managing Cisco Nexus platforms (2K/5K/7K/9K).
  • Advanced skills with NX-OS, vPC, FabricPath, VXLAN, and EVPN technologies.
  • In-depth understanding of Layer 2 and Layer 3 protocols (VLANs, STP, LACP, multicast, VXLAN, EVPN).
  • Strong command of routing protocols (OSPF, BGP, EIGRP) and network design principles.
  • Experience with scripting languages, particularly Python, used for ACI migrations and automation tasks.
  • Familiarity with network automation tools including Cisco NSO, Postman, and Insomnia.
  • Experience working with data formats such as XML and JSON.
  • Strong problem-solving and analytical thinking.
  • Excellent documentation and communication skills.
  • Ability to work collaboratively across global teams.
  • Detail-oriented with a focus on reliability and security.

Responsibilities

  • Set up, deploy, and manage Cisco ACI fabrics, including APIC controllers, tenants, bridge domains, VRFs, contracts, policies, and multi-site architectures.
  • Troubleshoot and optimize ACI fabric discovery, endpoint learning, static bindings, L3Out configurations, and fabric upgrades.
  • Configure, manage, and troubleshoot Cisco Nexus switches (2K, 5K, 7K, 9K) in NX-OS mode, including vPC, VXLAN, and EVPN implementations.
  • Implement advanced routing and switching solutions using OSPF, BGP, EIGRP, route maps, and redistribution to ensure high availability and optimal performance.
  • Automate network configuration and operations using tools such as Cisco NSO, Postman, or Insomnia, and leverage Python scripting for ACI migrations and repetitive tasks.
  • Work with XML and JSON data formats for API-based automation and system integrations.
  • Collaborate with solutions architects, data center teams, and cloud infrastructure engineers to deliver scalable and secure networking solutions.
  • Develop and maintain network documentation, diagrams, and best practice standards.
  • Participate in performance tuning, capacity planning, and proactive monitoring of data center networks.

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