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About the Role
Firmus Technologies is seeking a Senior Platform Reliability Engineer, Fabric and Interconnect to own the reliability of the estate's GPU interconnect and network fabrics. This hands-on role involves deep technical expertise and a strong focus on automation to ensure the self-healing capability of the infrastructure.
Responsibilities
- Responsible for the reliable operation, automation, and continuous improvement of the estate's GPU interconnect and network fabrics.
- Build and maintain guarded automation and remediation tooling for fabric faults.
- Diagnose and tune performance across the interconnect stack.
- Operate DPU-based host networking across the fleet.
- Execute firmware upgrade waves, fabric expansions, and capacity changes.
- Provide deep technical expertise for fabric and interconnect faults.
- Lead vendor escalations at an engineering level.
- Lead technical recovery during major fabric incidents.
- Share the follow-the-sun on-call roster.
- Mentor engineers carrying frontline diagnosis.
- Document operational procedures, runbooks, and performance results.
Requirements
- 8+ years of experience in high-performance networking and systems engineering.
- Substantial ownership of production network or interconnect infrastructure in a 24/7 environment.
- Deep operational experience with high-performance GPU interconnect fabrics.
- Extensive experience with high-performance networking fabrics.
- Experience with DPU or SmartNIC-based host networking.
- Experience planning and executing firmware upgrade waves and capacity expansions on production fabrics.
- Strong skills in infrastructure automation and infrastructure-as-code practices.
- Practical experience with scripting or programming for operational automation and tooling (e.g., Python, Go, Bash).
- Proven ability to act as a senior escalation point in production.
- Clear technical judgment and communication skills.
Skills
- High-performance networking
- Systems engineering
- GPU interconnect fabrics (NVLink, NVSwitch)
- High-performance networking fabrics (InfiniBand, RoCE-based Ethernet, NVIDIA Spectrum-X)
- DPU or SmartNIC-based host networking
- Infrastructure automation
- Infrastructure-as-code
- Scripting/programming (Python, Go, Bash)
- Major incident response
- Vendor escalation
- Runbook production
Location
- Australia
- Singapore
Work Type
- Permanent
- Full-time
- On-call
Experience Level
- Senior
About the Company
- Firmus Technologies is a global leader pioneering the development and operation of efficient AI infrastructure across Asia Pacific.
- Founded in Australia in 2019, our mission is to create the most efficient AI infrastructure by combining cutting-edge technology with a steadfast commitment to sustainability.
- We design, build, and operate a new class of digital infrastructure – the AI Factory.
- Our model-to-grid technology approach pushes the boundaries of multi-generational liquid cooling systems, energy management, AI software orchestration, and construction.
- Firmus AI Cloud is a large-scale GPU cloud platform purpose-built to deliver energy-efficient AI compute at scale.
- AI FactoryOS is Firmus' proprietary operating system for the AI Factory, governing GPU telemetry, cooling, power, and grid interaction.
- The AI FactoryOS Operations function runs the platform in production and owns the 24/7 reliability of AI FactoryOS, Firmus AI Cloud, and the platforms built on them.
Equal Opportunity
- At Firmus, we are committed to building a diverse and inclusive workplace. We encourage applications from candidates of all backgrounds who are passionate about creating a more sustainable future through innovative engineering solutions.