RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. They are seeking a Member of Technical Staff to architect and scale core compute platforms for ...
60 Radixark Jobs Hiring Near You
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. They are seeking a Member of Technical Staff to architect and scale core compute platforms for ...
RadixArk is looking for a Member of Technical Staff (Cluster / Platform) to architect and scale the core compute platform that powers frontier-level AI training and inference. The role involves ...
RadixArk is looking for a Member of Technical Staff (Cluster / Platform) to architect and scale the core compute platform that powers frontier-level AI training and inference. The role involves ...
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. They are seeking a TPU Systems Engineer to build high-performance inference and training systems ...
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. They are seeking a TPU Systems Engineer to build high-performance inference and training systems ...
Software Engineer, Product
Palo Alto, CA · On-site
RadixArk is an infrastructure-first company focused on building advanced AI systems and products. They are seeking a Software Engineer, Product to collaborate with cross-functional teams and create ...
Software Engineer, Product
Palo Alto, CA · On-site
RadixArk is an infrastructure-first company focused on building advanced AI systems and products. They are seeking a Software Engineer, Product to collaborate with cross-functional teams and create ...
Business Development
Palo Alto, CA · On-site
About the Role We're looking for a Head of Business Development to build the BD function at RadixArk from the ground up. The BD team is the institutional memory of this company - maintaining active ...
Business Development
Palo Alto, CA · On-site
About the Role We're looking for a Head of Business Development to build the BD function at RadixArk from the ground up. The BD team is the institutional memory of this company - maintaining active ...
Member of Technical Staff - Developer Technology
$200K - $400K/yr
About the Role RadixArk is seeking a Member of Technical Staff, Developer Technology (DevTech) to make LLM inference and training dramatically faster, cheaper, and more accessible on modern GPU ...
Member of Technical Staff - Developer Technology
$200K - $400K/yr
About the Role RadixArk is seeking a Member of Technical Staff, Developer Technology (DevTech) to make LLM inference and training dramatically faster, cheaper, and more accessible on modern GPU ...
Product Manager
Palo Alto, CA · On-site
About RadixArk RadixArk is an infrastructure-first company built by engineers who've shipped production AI systems, created SGLang (30K+ GitHub stars, the fastest open LLM serving engine), and ...
Product Manager
Palo Alto, CA · On-site
About RadixArk RadixArk is an infrastructure-first company built by engineers who've shipped production AI systems, created SGLang (30K+ GitHub stars, the fastest open LLM serving engine), and ...
RadixArk is an infrastructure-first company focused on building high-performance AI systems. They are seeking a TPU Systems Engineer to develop and optimize inference and training systems using JAX ...
RadixArk is an infrastructure-first company focused on building high-performance AI systems. They are seeking a TPU Systems Engineer to develop and optimize inference and training systems using JAX ...
RadixArk is an infrastructure-first company seeking a Member of Technical Staff -- Diffusion Model to advance generative modeling. The role involves working on cutting-edge diffusion and flow-based ...
RadixArk is an infrastructure-first company seeking a Member of Technical Staff -- Diffusion Model to advance generative modeling. The role involves working on cutting-edge diffusion and flow-based ...
RadixArk is an infrastructure-first company focused on building world-class open systems for AI inference and training. They are seeking a Member of Technical Staff -- CI Engineer to own and ...
RadixArk is an infrastructure-first company focused on building world-class open systems for AI inference and training. They are seeking a Member of Technical Staff -- CI Engineer to own and ...
About the Role RadixArk is seeking experienced product-focused engineers to join our team in building the developer-facing surfaces of our inference and training infrastructure. As a Member of ...
About the Role RadixArk is seeking experienced product-focused engineers to join our team in building the developer-facing surfaces of our inference and training infrastructure. As a Member of ...
RadixArk is seeking a Member of Technical Staff -- Diffusion Model to advance the frontier of generative modeling. You will work on cutting-edge diffusion and flow-based models for image, video, and ...
RadixArk is seeking a Member of Technical Staff -- Diffusion Model to advance the frontier of generative modeling. You will work on cutting-edge diffusion and flow-based models for image, video, and ...
RadixArk is an infrastructure-first company focused on building world-class open systems for AI inference and training. They are seeking a Member of Technical Staff -- Kernel / Compiler ...
RadixArk is an infrastructure-first company focused on building world-class open systems for AI inference and training. They are seeking a Member of Technical Staff -- Kernel / Compiler ...
Product Manager
Palo Alto, CA · On-site
RadixArk is an infrastructure-first company focused on democratizing AI infrastructure. They are seeking a Product Manager to define and drive the product roadmap for inference and training ...
Product Manager
Palo Alto, CA · On-site
RadixArk is an infrastructure-first company focused on democratizing AI infrastructure. They are seeking a Product Manager to define and drive the product roadmap for inference and training ...
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. They are seeking a Member of Technical Staff (Cluster / Platform) to architect and scale their ...
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. They are seeking a Member of Technical Staff (Cluster / Platform) to architect and scale their ...
Product Manager
Palo Alto, CA · On-site
RadixArk is an infrastructure-first company focused on democratizing AI infrastructure. They are seeking a Product Manager to define and drive the product roadmap for inference and training ...
Product Manager
Palo Alto, CA · On-site
RadixArk is an infrastructure-first company focused on democratizing AI infrastructure. They are seeking a Product Manager to define and drive the product roadmap for inference and training ...
Technical Program Manager
Palo Alto, CA · On-site
$151K - $196K/yr
About the Role As a Technical Program Manager at RadixArk, you'll drive the execution of complex, cross-functional programs across our inference and training infrastructure. You'll partner closely ...
Technical Program Manager
Palo Alto, CA · On-site
$151K - $196K/yr
About the Role As a Technical Program Manager at RadixArk, you'll drive the execution of complex, cross-functional programs across our inference and training infrastructure. You'll partner closely ...
Technical Program Manager
Palo Alto, CA · On-site
$151K - $196K/yr
About the Role As a Technical Program Manager at RadixArk, you'll drive the execution of complex, cross-functional programs across our inference and training infrastructure. You'll partner closely ...
Technical Program Manager
Palo Alto, CA · On-site
$151K - $196K/yr
About the Role As a Technical Program Manager at RadixArk, you'll drive the execution of complex, cross-functional programs across our inference and training infrastructure. You'll partner closely ...
Technical Program Manager
Palo Alto, CA · On-site
$151K - $196K/yr
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. As a Technical Program Manager, you will drive the execution of complex, cross-functional ...
Technical Program Manager
Palo Alto, CA · On-site
$151K - $196K/yr
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. As a Technical Program Manager, you will drive the execution of complex, cross-functional ...
Technical Program Manager
Palo Alto, CA · On-site
$151K - $196K/yr
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. As a Technical Program Manager, you will drive the execution of complex, cross-functional ...
Technical Program Manager
Palo Alto, CA · On-site
$151K - $196K/yr
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. As a Technical Program Manager, you will drive the execution of complex, cross-functional ...
Radixark Jobs Information

Full-time
Re-posted 28 days ago
Job description
RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. They are seeking a Member of Technical Staff to architect and scale core compute platforms for AI training and inference, focusing on systems engineering across cluster architecture, networking, and performance optimization.
Responsibilities:
• Architect and scale large AI compute clusters for training and inference
• Design cluster management, scheduling, and resource allocation systems
• Optimize performance, utilization, and reliability of GPU/TPU clusters
• Improve fault tolerance and system resilience at scale
• Drive observability, monitoring, and performance profiling for cluster infrastructure
• Collaborate with ML and systems engineers to support frontier AI workloads
• Lead capacity planning and infrastructure scaling strategies
• Build internal platforms and tooling to improve developer productivity
• Document architecture, operational practices, and reliability strategies
• Contribute to long-term platform vision and technical direction
Qualifications:
Required:
• 5+ years of experience in distributed systems, infrastructure, or large-scale compute platforms
• Strong background in distributed systems design and systems architecture
• Deep experience with cluster management systems (Kubernetes, Slurm, Ray, or custom schedulers)
• Hands-on experience with GPU/TPU infrastructure in production environments
• Strong Linux systems and networking fundamentals
• Proficiency in Go, Rust, C++, or Python for production systems
• Experience debugging complex multi-layer issues across hardware, OS, networking, and distributed services
• Proven ability to design reliable, scalable systems in production
Preferred:
• Experience with large-scale ML/AI workloads
• Familiarity with RDMA, InfiniBand, or high-performance networking
• Experience operating clusters at 1000+ GPU scale
• Background in HPC or performance-critical systems
• Open-source contributions in systems or infrastructure
Company:
RadixArk focuses on developing infrastructure for AI inference and training systems. Founded in 2025, the company is headquartered in San Francisco, USA, with a team of 11-50 employees. The company is currently Early Stage.