Senior Network Engineer

Location

Texas + 1 moreAll locations: Texas | Northern America

Posted

85 days ago

Salary

0

Seniority

Senior

Job Description

Senior Network Engineer

IREN

Role Description The Senior Network Engineer (Tier 3) is responsible for designing, operating, and optimizing high-performance data center networks that power large-scale AI/ML and cloud infrastructure. Acts as the escalation point for complex network issues, driving deep technical troubleshooting, automation, and reliability improvements across multi-site, high-throughput environments. Qualifications - Act as a Tier 3 (L3) escalation point for complex network incidents, providing deep technical troubleshooting and root cause analysis beyond Tier 1/2 support. - Partner with Network Operations (Tier 1/2) teams to resolve escalated issues, improve runbooks, and reduce recurring incidents through automation and systemic fixes. - Lead resolution of critical, high-impact network incidents affecting AI/ML workloads, data center operations, and customer environments. - Develop and refine operational procedures, playbooks, and escalation paths to enhance efficiency across Tier 1/2/3 support models. - Identify opportunities to shift-left operational knowledge by mentoring junior engineers and improving observability and tooling. - Maintain accurate network documentation, diagrams, and design standards, supporting compliance and audit requirements. - Optimize network performance for distributed training workloads, including tuning for large flows, incast, and burst traffic patterns. - Support RDMA/RoCEv2 or InfiniBand environments (if applicable), including PFC, ECN, and lossless fabric tuning. - Automate network provisioning, configuration management, and remediation using Python, Ansible, Terraform, or similar tools. Company Description IREN is a leading AI Cloud Service Provider, delivering large-scale GPU clusters for AI training and inference. IREN’s vertically integrated platform is underpinned by its expansive portfolio of grid-connected land and data centers in renewable-rich regions across the U.S. and Canada. With 100% renewable energy, we build, own and operate our data centers and take pride in being at the forefront of sustainable solutions for the ever-evolving applications of high-performance compute. We believe that human progress is invaluable, but it should be done in the right way – responsibly, sustainably and having a positive impact on the communities we operate in.

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