Senior Systems Engineer - Performance
About The Position
We are seeking an exceptional Senior Systems Engineer to join our core team building critical, next-generation infrastructure for the Solana ecosystem. You'll be exploring uncharted technical territory and building novel solutions across our stack: Systems & Infrastructure Engineering Build and operate high-performance Linux systems for transaction processing and block building Work with virtualization and isolation technologies (KVM, QEMU, TEEs) Debug and optimize interactions between user-space systems and the Linux kernel Reason about CPU performance, memory, I/O, and scheduling under real-world load Performance Engineering Build high-performance systems for processing and analyzing on-chain data Optimize critical paths in our infrastructure and Solana core (Agave & Firedancer) to reduce latency and increase throughput Develop new tools for monitoring and improving network efficiency Improve system reliability through careful design, observability, and fault isolation Contribute performance improvements upstream (Solana / OS / QEMU related components)
Requirements
- 5+ years of systems-level programming in C, C++, or Rust (we use Rust)
- Deep experience with Linux systems engineering and performance-critical infrastructure
- Proficiency with profiling and tracing tools: perf, flamegraphs, eBPF
- Experience debugging network performance (tcpdump, Wireshark, packet capture analysis)
- Familiarity with CPU microarchitecture concerns (cache behavior, branch prediction, NUMA)
- Willingness to dive into complicated systems to accurately root cause and fix issues
- Clear, simple communication
Nice To Haves
- HFT, market-making, or ultra-low-latency trading systems experience
- Virtualization / hypervisors / TEE development
- Kernel-adjacent or embedded systems work
- Solana or blockchain infrastructure experience
Responsibilities
- Build and operate high-performance Linux systems for transaction processing and block building
- Work with virtualization and isolation technologies (KVM, QEMU, TEEs)
- Debug and optimize interactions between user-space systems and the Linux kernel
- Reason about CPU performance, memory, I/O, and scheduling under real-world load
- Build high-performance systems for processing and analyzing on-chain data
- Optimize critical paths in our infrastructure and Solana core (Agave & Firedancer) to reduce latency and increase throughput
- Develop new tools for monitoring and improving network efficiency
- Improve system reliability through careful design, observability, and fault isolation
- Contribute performance improvements upstream (Solana / OS / QEMU related components)
Benefits
- Above market compensation and multiple forms of equity
- 100% employer paid health benefits
- All-expenses-paid team retreats and conferences
- Weekly meal voucher
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
Number of Employees
1-10 employees
