Senior HPC DevOps Engineer – Onsite Compute Infra

Cantos Ventures; El Segundo (CA); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Stock options

Medical coverage

One Medical membership

Vision coverage

Dental coverage

Parental leave

Job summary

Radiant seeks a Senior Software Engineer to support HPC infrastructure and scientific computing workflows. You will build scalable tooling for engineers to focus on science, not infrastructure, and own systems across on-site and cloud environments.

The role requires organizing cross-disciplinary requests, debugging legacy stacks, and ensuring high availability for critical workloads in a fast-moving startup setting.

Qualifications

• Bachelor's degree in Computer Science, Engineering, Physics, or a related technical field.
• 4+ years of professional experience in developer productivity, site reliability, DevOps, infrastructure, or platform engineering.
• Linux fluency: file systems, processes, networking, administration.
• Strong programming skills in Python, Golang, Rust, C#, or C/C++ with good debugging.
• Solid ability to read stack traces and navigate legacy scientific software environments.
• Excellent communication and organization to manage cross-disciplinary requests.

Responsibilities

• Support workflows, tooling, and performance for scientific computing environments (Ansys, STAR-CCM+, Abaqus).
• Serve as a resource for engineering teams, translating HPC questions into actionable work.
• Triage infrastructure requests, debug HPC/MPI/Linux issues, analyze job failures.
• Modernize legacy scientific computing systems and migrate to current stacks for maintainability.
• Collaborate with DevOps to maintain AWS and on-prem Linux environments.
• Contribute to build systems, testing frameworks, deployment automation, and developer tooling.

Skills

Python

Golang

Rust

C/C++

C#

Linux

Education

Bachelor's degree

Master's degree

Tools

Kubernetes

Docker

Ansys

STAR-CCM+

Abaqus

Job description

Radiant seeks a Senior Software Engineer to support HPC infrastructure and scientific computing workflows. You will build scalable tooling for engineers to focus on science, not infrastructure, and own systems across on-site and cloud environments.

The role requires organizing cross-disciplinary requests, debugging legacy stacks, and ensuring high availability for critical workloads in a fast-moving startup setting.