
DC LAN Engineer – Cisco ACI
3 weeks ago
Job Overview:
We are seeking a highly skilled Data Center LAN Engineer with a strong focus on Cisco ACI to join our Infrastructure team. This is a hands-on implementation role responsible for maintaining, upgrading, and transforming the LAN infrastructure within the LSEG Refinitiv data centers. The ideal candidate will have deep expertise in ACI multi-site/multi-pod environments and be comfortable working in complex, production-critical networks.
Key Responsibilities:
- Take ownership of LAN infrastructure implementation in large-scale data center environments.
- Provide expert-level support and management of Cisco ACI multi-site and multi-pod deployments.
- Plan and execute end-to-end Cisco ACI upgrades including:
- APICs, spine/leaf switches, IPN nodes
- Nexus Dashboard (ND), NDO, NDI
- CIMC firmware
- Perform device replacements, code upgrades, and troubleshoot hardware/software issues in production.
- Support network transformation and migration projects, ensuring seamless transitions with minimal downtime.
- Coordinate and manage capacity planning and network upgrades, collaborating with cross-functional teams.
- Create and maintain accurate technical documentation and monitor network performance for continuous improvement.
- Liaise with vendors and internal teams to ensure Service Level Objectives (SLOs) are met.
- Drive automation and efficiency improvements where applicable.
Preferred Skills & Experience:
- Proficient on LAN/WAN technologies like Data Centre Switching, ACI Infrastructure, QOS, Multicasting, VPWS and Layer 2 and Layer 3 connectivity solutions
- Strong hands-on experience with Cisco ACI, including upgrades and lifecycle management.
- Deep understanding of LAN/WAN technologies and data center architecture.
- Demonstrated experience in production environments and mission-critical infrastructure.
- Proven experience in Performing end-to-end Cisco ACI code upgrades covering APICs, spine/leaf switches, IPN nodes, Nexus Dashboard (ND), NDO, NDI and CIMC firmware.
- Good hands-on experience in network transformation and migration projects in production environment
- Knowledge of automation tools (e.g., Ansible, Python) for configuration and troubleshooting – a plus.
- Familiarity with network performance monitoring and optimization tools.
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