[Remote] Principal Software Engineer
Note: The job is a remote job and is open to candidates in USA. DataDirect Networks (DDN) is a global market leader in AI and high-performance data storage innovation. They are seeking a Principal Software Engineer to lead NFS architecture across distributed file systems, focusing on performance analysis and optimization for large-scale systems.
Responsibilities
- Define and own architecture for NFS across distributed file systems
- Drive performance analysis and optimization of large-scale, high-performance, scale-out file systems
- Architect performance-aware NFS design and architecture
- Drive optimization of performance-critical distributed file system code, primarily in C++
- Help drive best practices for performance measurement, profiling, benchmarking, and regression detection
- Lead deep-dive investigations into complex, system-wide issues
- Influence system architecture with a performance-first mindset around NFS and accompanying tradeoffs against other protocols
- Mentor senior and staff engineers on engineering techniques and methodologies
- Collaborate with cross-functional teams to ensure goals are met across the stack
- Represent NFS considerations in design reviews and long-term roadmap planning
Skills
- 15+ years of experience in NFS engineering, systems engineering, or distributed systems
- Deep understanding of distributed file systems and scale-out storage architectures
- Expert-level knowledge of NFS and distributed file systems
- Strong proficiency in C++ with extensive experience in performance-critical code
- Proven expertise in performance measurement techniques, including profiling, tracing, benchmarking, and custom tooling
- Strong foundation in distributed systems principles, including scalability, concurrency, and fault tolerance
- Demonstrated experience optimizing file system or storage system code for performance at scale
- Experience with high-performance, high-scale-out file systems in production environments
- Experience with kernel-level and user-space I/O stacks
- Deep understanding of modern storage hardware (NVMe, SSDs, RDMA, high-speed networking)
- Experience building or evolving performance frameworks and benchmarking infrastructure
- Background in parallel programming, lock-free or low-contention designs
- Experience influencing architecture across multiple teams or large codebases
Company Overview
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