{"schemaVersion":"jobsearcher.job.v1","id":"8893358d0f61075cc6fadae9","url":"https://jobsearcher.com/jobs/8893358d0f61075cc6fadae9","canonicalUrl":"https://jobsearcher.com/jobs/8893358d0f61075cc6fadae9","title":"Nuclear Engineer, Core Physics","description":"Location El Segundo HQ\n\nEmployment Type Full time\n\nLocation Type On-site\n\nDepartment Engineering Nuclear Engineering\n\nCompensation $106,500 – $146,475 • Offers Equity\n\nReactor Operations Engineer, Nuclear\nRadiant is a seeking a nuclear engineer responsible for designing and implementing nuclear-specific testing operations at our 2026 demonstration. You will be responsible for the design of a large portion of the test campaign, which includes providing analysis to verify that the proposed testing is both safe and meets the test’s objectives. This position will work closely with nuclear engineers to establish test success criteria and systems / operations engineers to implement written procedures.\n\nResponsibilities and Duties\n\nCollect testing requirements, objectives, and success criteria from nuclear engineers.\n\nDevelop procedures that satisfy test requirements within the operational bounds of Kaleidos.\n\nPerform various reactor physics calculations (neutronic and transient analyses) to verify proposed testing sequence addresses all requirements.\n\nDocument testing procedures and support operator training and control room GUI development.\n\nRequired Skills and Qualifications\n\nBachelor’s degree in nuclear engineering or equivalent degree from an accredited institution.\n\n2+ years of experience with reactor operations.\n\nExperience with radiation transport methods, including with codes such as MCNP/OpenMC/Serpent.\n\nKnowledge of thermal hydraulic fundamentals.\n\nDesired Skills and Qualifications\n\n4+ years of experience with reactor operations.\n\nDirect experience as a reactor operator of an existing nuclear reactor.\n\nHands‑on experience in developing technical procedures, human factors engineering, or operational interface design.\n\nAdditional Requirements\n\nMust be willing to work extended hours and weekends as necessary to accomplish our mission.\n\nMust work 100% onsite at El Segundo HQ.\n\nBenefits and Perks\n\nStock: Substantial incentive stock plan for all full‑time employees.\n\nMedical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.\n\nOne Medical: Sponsored memberships for employees and their dependents.\n\nVision: 100% top tier plan coverage + 50% for dependents.\n\nDental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.\n\nVoluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.\n\n8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.\n\nDaily catered lunch. Free snacks and drinks.\n\nFlexible PTO policy. Remote workday allocation.\n\nCompany and team-bonding events, happy hours and in-person camaraderie.\n\nBeautiful El Segundo headquarters close to the Pacific Ocean.\n\nTotal Compensation and Benefits\nRadiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant.\n\nWe 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.\n\nUnfortunately, we are unable to provide visa sponsorship at this time.\n\nThis 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.\n\nCompensation Range: $106,500 - $146,475\n\n#J-18808-Ljbffr","company":"Decisive Point","rawCompany":"decisive point","city":"El Segundo","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-06-17T04:22:17.955Z","occupations":[{"code":"17-2161.00","title":"Nuclear Engineers","slug":"nuclear-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"},{"code":"19-4051.00","title":"Nuclear Technicians","slug":"nuclear-technicians"}],"industries":[{"code":"221113","title":"Nuclear Electric Power Generation","slug":"nuclear-electric-power-generation"},{"code":"541715","title":"Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)","slug":"research-and-development-in-the-physical-engineering-and-life-sciences-except-nanotechnology-and-biotechnology"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Nuclear Engineer, Core Physics","description":"Location El Segundo HQ\n\nEmployment Type Full time\n\nLocation Type On-site\n\nDepartment Engineering Nuclear Engineering\n\nCompensation $106,500 – $146,475 • Offers Equity\n\nReactor Operations Engineer, Nuclear\nRadiant is a seeking a nuclear engineer responsible for designing and implementing nuclear-specific testing operations at our 2026 demonstration. You will be responsible for the design of a large portion of the test campaign, which includes providing analysis to verify that the proposed testing is both safe and meets the test’s objectives. This position will work closely with nuclear engineers to establish test success criteria and systems / operations engineers to implement written procedures.\n\nResponsibilities and Duties\n\nCollect testing requirements, objectives, and success criteria from nuclear engineers.\n\nDevelop procedures that satisfy test requirements within the operational bounds of Kaleidos.\n\nPerform various reactor physics calculations (neutronic and transient analyses) to verify proposed testing sequence addresses all requirements.\n\nDocument testing procedures and support operator training and control room GUI development.\n\nRequired Skills and Qualifications\n\nBachelor’s degree in nuclear engineering or equivalent degree from an accredited institution.\n\n2+ years of experience with reactor operations.\n\nExperience with radiation transport methods, including with codes such as MCNP/OpenMC/Serpent.\n\nKnowledge of thermal hydraulic fundamentals.\n\nDesired Skills and Qualifications\n\n4+ years of experience with reactor operations.\n\nDirect experience as a reactor operator of an existing nuclear reactor.\n\nHands‑on experience in developing technical procedures, human factors engineering, or operational interface design.\n\nAdditional Requirements\n\nMust be willing to work extended hours and weekends as necessary to accomplish our mission.\n\nMust work 100% onsite at El Segundo HQ.\n\nBenefits and Perks\n\nStock: Substantial incentive stock plan for all full‑time employees.\n\nMedical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.\n\nOne Medical: Sponsored memberships for employees and their dependents.\n\nVision: 100% top tier plan coverage + 50% for dependents.\n\nDental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.\n\nVoluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.\n\n8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.\n\nDaily catered lunch. Free snacks and drinks.\n\nFlexible PTO policy. Remote workday allocation.\n\nCompany and team-bonding events, happy hours and in-person camaraderie.\n\nBeautiful El Segundo headquarters close to the Pacific Ocean.\n\nTotal Compensation and Benefits\nRadiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant.\n\nWe 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.\n\nUnfortunately, we are unable to provide visa sponsorship at this time.\n\nThis 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.\n\nCompensation Range: $106,500 - $146,475\n\n#J-18808-Ljbffr","datePosted":"2026-06-17T04:22:17.955Z","dateModified":"2026-06-17T04:22:17.955Z","hiringOrganization":{"@type":"Organization","name":"Decisive Point","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"El Segundo","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"8893358d0f61075cc6fadae9"},"url":"https://jobsearcher.com/jobs/8893358d0f61075cc6fadae9"}}