<div>Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.</div>Radiant is seeking a driven Sr DevOps Engineer to lead software infrastructure, deployment and automation projects. In this role, you will collaborate across the entire org and work closely with the software team to design scalable, secure, and resilient DevOps practices, tools, and systems. The infrastructure you manage, pipelines you build, and analysis tools you design and maintain will be used to design, run, and analyze the first new reactor design in 50 years, and you will have the opportunity to build a strong foundation for production.Responsibilities and Duties:<ul><li>Architect, implement, and maintain infrastructure across AWS and on-prem</li><li>Own and optimize Kubernetes and Docker container orchestration to run simulations and internal tools</li><li>Build and optimize CI/CD pipelines with Git, Argo, and other automation tools</li><li>Build and maintain internal tooling to support developer workflows</li><li>Lead by example, promoting best practices in DevOps, infrastructure-as-code, and cloud security across the organization</li></ul>Required Qualifications and Skills:<ul><li>Bachelor’s degree in Computer Science, Engineering, or a related technical field</li><li>8+ years of professional experience in DevOps, Site Reliability Engineering, or Infrastructure Engineering</li><li>Expert-level proficiency with Kubernetes, Docker, and Terraform (or other IaC tools)</li><li>Familiarity with Git and common CI/CD frameworks</li><li>Comfort writing scripts or software applications for automation</li><li>Ability to work from Radiant’s office in El Segundo, CA (greater Los Angeles) full-time</li></ul>Desired Qualifications and Skills:<ul><li>Highly self-motivated with strong communication skills</li><li>Experience deploying and maintaining cloud-native applications in production</li><li>Familiarity with infrastructure monitoring and observability tools</li><li>Previous work in a highly regulated environment is a plus</li><li>Passion for clean, maintainable code and empowering engineers via automation</li><li>Interest in physics, hardware and electrical engineering</li></ul>Additional Requirements<ul><li>Must be willing to work extended hours and weekends as necessary to accomplish our mission.</li><li>Must work 100% onsite at El Segundo HQ.</li></ul><div>Total Compensation and BenefitsRadiant's new hire compensation package includes base salary, substantial equity grants, and comprehensive benefits. Total compensation and level are determined through a holistic evaluation of your interview performance, experience, education, and qualifications. Benefits and Perks for Eligible Employees:<ul><li>Stock: Substantial incentive stock plan for all full-time employees.</li><li>Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.</li><li>One Medical: Sponsored memberships for employees and their dependents.</li><li>Vision: 100% top tier plan coverage + 50% for dependents.</li><li>Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.</li><li>Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.</li><li>8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.</li><li>Daily catered lunch. Free snacks and drinks.</li><li>Flexible PTO policy. Remote workday allocation.</li><li>Company and team-bonding events, happy hours and in-person camaraderie.</li><li>Beautiful El Segundo headquarters close to the Pacific Ocean.</li></ul>We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. </div>

Radiant is a clean energy startup building a nuclear microreactor. A climate-friendly alternative to diesel generators, Radiant's Kaleidos 1MW microreactor will be the world's first portable, zero-emissions power source that works anywhere. We plan to test our development reactor by 2026 and if successful, it will be the first new commercial reactor design to achieve a fueled test in over 50 years. Our microreactor can bring power to remote parts of the world and provide backup power for life-saving applications in hospitals or disaster-relief scenarios.&nbsp;

Senior DevOps Engineer

<div>Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt failsafe microreactor that can be transported anywhere power is needed and run for up to five years without the need to refuel. Portable nuclear power with rapid deploy capability can replace similar-sized diesel generators, and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development utilizes modern software engineering to rapidly achieve safe, factory-built microreactors that leverage existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor next year at the Idaho National Laboratory, with initial customer deliveries beginning in 2028.</div>Radiant is seeking a driven Sr DevOps Engineer to lead software infrastructure, deployment and automation projects. In this role, you will collaborate across the entire org and work closely with the software team to design scalable, secure, and resilient DevOps practices, tools, and systems. The infrastructure you manage, pipelines you build, and analysis tools you design and maintain will be used to design, run, and analyze the first new reactor design in 50 years, and you will have the opportunity to build a strong foundation for production.Responsibilities and Duties:<ul><li>Architect, implement, and maintain infrastructure across AWS and on-prem</li><li>Own and optimize Kubernetes and Docker container orchestration to run simulations and internal tools</li><li>Build and optimize CI/CD pipelines with Git, Argo, and other automation tools</li><li>Build and maintain internal tooling to support developer workflows</li><li>Lead by example, promoting best practices in DevOps, infrastructure-as-code, and cloud security across the organization</li></ul>Required Qualifications and Skills:<ul><li>Bachelor’s degree in Computer Science, Engineering, or a related technical field</li><li>8+ years of professional experience in DevOps, Site Reliability Engineering, or Infrastructure Engineering</li><li>Expert-level proficiency with Kubernetes, Docker, and Terraform (or other IaC tools)</li><li>Familiarity with Git and common CI/CD frameworks</li><li>Comfort writing scripts or software applications for automation</li><li>Ability to work from Radiant’s office in El Segundo, CA (greater Los Angeles) full-time</li></ul>Desired Qualifications and Skills:<ul><li>Highly self-motivated with strong communication skills</li><li>Experience deploying and maintaining cloud-native applications in production</li><li>Familiarity with infrastructure monitoring and observability tools</li><li>Previous work in a highly regulated environment is a plus</li><li>Passion for clean, maintainable code and empowering engineers via automation</li><li>Interest in physics, hardware and electrical engineering</li></ul>Additional Requirements<ul><li>Must be willing to work extended hours and weekends as necessary to accomplish our mission.</li><li>Must work 100% onsite at El Segundo HQ.</li></ul><div>Total Compensation and BenefitsRadiant's new hire compensation package includes base salary, substantial equity grants, and comprehensive benefits. Total compensation and level are determined through a holistic evaluation of your interview performance, experience, education, and qualifications.&nbsp;Benefits and Perks for Eligible Employees:<ul><li>Stock: Substantial incentive stock plan for all full-time employees.</li><li>Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.</li><li>One Medical: Sponsored memberships for employees and their dependents.</li><li>Vision: 100% top tier plan coverage + 50% for dependents.</li><li>Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.</li><li>Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.</li><li>8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.</li><li>Daily catered lunch. Free snacks and drinks.</li><li>Flexible PTO policy. Remote workday allocation.</li><li>Company and team-bonding events, happy hours and in-person camaraderie.</li><li>Beautiful El Segundo headquarters close to the Pacific Ocean.</li></ul>We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.Unfortunately, we are unable to provide visa sponsorship at this time. This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls. </div>

Senior DevOps Engineer

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Radiant

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