Radiant · 6 hours ago
Staff/Senior DevOps Engineer
El Segundo, CA
Full-time
Onsite
Senior Level, Lead/Staff
8+ years expRadiant is an El Segundo-based startup building portable nuclear microreactors. They are seeking a driven Senior DevOps Engineer to lead software infrastructure, deployment, and automation projects, collaborating with the software team to design scalable and secure DevOps practices.
Clean EnergyEnergyEnergy EfficiencyRenewable Energy
No H1B
Responsibilities
Architect, implement, and maintain infrastructure across AWS and on-premises Linux environments, ensuring high availability, security, and performance for mission-critical systems
Own and optimize Kubernetes and Docker container orchestration to run simulations, internal tools, and engineering applications at scale
Design, build, and optimize CI/CD pipelines using Git, Argo, and other automation tools to enable rapid, reliable software delivery across engineering teams
Develop internal tools supporting build systems, testing frameworks, deployment automation, and developer environments
Develop computational analysis tools for the digital twin platform, implementing automated profiling and monitoring to optimize HPC workloads for reactor modeling
Implement and manage infrastructure-as-code practices using Terraform or similar tools to ensure reproducible, version-controlled infrastructure deployments
Establish and maintain observability, monitoring, and logging infrastructure to ensure system reliability and enable rapid incident response
Design and maintain high-performance networking infrastructure for distributed simulation systems, optimizing data transfer between HPC clusters
Work across engineering teams to understand infrastructure requirements and eliminate bottlenecks that impact development velocity
Qualification
Required
Bachelor's degree in computer science, engineering, or a related technical field
8+ years of professional experience in DevOps, Site Reliability, Infrastructure, or Platform Engineering
Expert-level proficiency in programming languages such as Python, Golang, Rust, C#, or C/C++
Expert-level proficiency with Kubernetes and Docker for orchestration and deployment
Experience with Git and CI/CD tools (Argo, GitLab CI, Jenkins, GitHub Actions), designing automated build, test, and deployment pipelines
Strong coding skills, developing automation and monitoring tools, internal applications, and infrastructure software
Preferred
Experience deploying and maintaining cloud-native applications in production, including hands-on work with microservices, architectures, service mesh technologies, and distributed systems
Familiarity with infrastructure monitoring and observability tools like Datadog, Grafana, InfluxDB, Prometheus, Nagios, etc
Working experience in secrets management, Identity and access management, network security, vulnerability scanning, etc
Experience in highly regulated industries (aerospace, defense, automotive, nuclear, or medical devices)
Passion for clean, maintainable code and building automation that enhances developer productivity and accelerates engineering velocity
Experience working cross-functionally with engineering teams in different disciplines such as mechanical, electrical, materials, and nuclear
Benefits
Substantial incentive stock plan for all full-time employees.
100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.
Sponsored memberships for eligible employees and their dependents.
100% premium coverage for top tier plan + 50% for dependents.
100% premium coverage for top tier plan (including orthodontia) + 50% for dependents.
Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
Daily catered lunch. Free snacks and drinks.
Flexible PTO policy. Remote workday allocation.
Company and team-bonding events, happy hours and in-person camaraderie.
Beautiful El Segundo headquarters close to the Pacific Ocean.
Burgeoning satellite offices in Oak Ridge, TN and Washington, D.C., near Capitol Hill.
Company
Radiant
Radiant develops portable nuclear microreactors designed to generate electricity and heat in a compact, factory-built form.
51-200 employees
Funding
Current Stage
Late StageTotal Funding
$518.82MKey Investors
Boost VC,Draper AssociatesAlumni Ventures,DCVCAndreessen Horowitz
2025-12-17Series D· $300M
2024-11-14Series C· $165M
2023-04-18Series B· $40M
Leadership Team
Doug Bernauer
Chief Executive Officer
Recent News
alleywatch.com
2026-01-23
2026-01-07
The Motley Fool
2026-01-04
Company data provided by crunchbase