Member of Technical Staff, Systems Infrastructure (2026 PhD New Grad)

Job summary

Responsibilities

This role is designed for systems researchers finishing their PhD who want to see their ideas run on real fleets at real scale. As a Member of Technical Staff on the Systems Infrastructure team, you'll design and build the substrate underneath Fireworks — the schedulers, storage systems, and…

• Design, build, and operate core infrastructure systems for large-scale training and inference
• Model and measure system behavior — build the benchmarks, traces, and simulators needed to reason about scheduling, caching, and network performance before committing to a design
• Identify bottlenecks across the stack, from kernel and driver to scheduler policy, and drive them out with data
• Turn research ideas into production systems that hold up under real workloads, real failures, and real customers
• Work closely with the research and inference teams so that infrastructure design and model design inform each other

What they're looking for

• PhD completed within the last 6 months, or expected completion by December 2026, in Computer Science, Computer Engineering, Electrical Engineering, or a similar field
• Research background in one or more of: distributed systems, operating systems, scheduling and resource management, storage systems, computer networks, computer architecture, or…
• Depth in at least one of the three focus areas above, demonstrated through your dissertation, publications, or systems you've built
• Strong systems programming skills in C/C++, Rust, Go, or a similar language, plus working proficiency in Python
• Experience building and evaluating real systems — not only simulation — and reasoning rigorously about performance with measurements

Tech stack

• PyTorch
• C++
• Rust
• Go
• Python
• Kubernetes
• Ray
• vLLM