<div><p>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.</p></div><h1>About the Role</h1><p>We're building a new team to own Radiant's internal data infrastructure, executive analytics, and AI capabilities. As a Staff Data Platform Engineer, you'll be hands-on building the integrations and pipelines that connect Radiant's operational systems—Finance, HR, Supply Chain, Manufacturing, and Recruiting—into a unified data platform.</p><p>Your first priority will be the ION-Ramp integration: building the pipeline that enables three-way matching (PO + Receipt + Invoice) between our manufacturing execution system and payments platform. This directly reduces manual work for the Finance team. From there, you'll expand to connect 9 enterprise systems, build dbt transformation models, and ensure data quality across the platform.</p><h1>What You'll Do</h1><ul><li><strong>Build integrations: </strong>Configure Fivetran connectors, build custom pipelines, and connect 9 enterprise systems (ION, Ramp, QuickBooks, Rippling, Ashby, Salesforce, SharePoint, Smartsheet, DocuSign)</li><li><strong>Develop the ION-Ramp pipeline: </strong>Build the Snowflake → Databricks → Ramp pipeline that enables three-way matching for Finance</li><li><strong>Write dbt models: </strong>Transform raw data into clean, documented, tested models for dashboards and analytics</li><li><strong>Ensure data quality: </strong>Implement testing, monitoring, and alerting for data pipelines; catch issues before they reach dashboards</li><li><strong>Support dashboards: </strong>Work with the PM and stakeholders to ensure the data models support Finance, Operations, and HR/Recruiting dashboards</li><li><strong>Document everything: </strong>Maintain clear documentation for pipelines, models, and data definitions</li></ul><h1>What We're Looking For</h1><h2>Required</h2><ul><li>5+ years of data engineering or software engineering experience</li><li>Python and SQL proficiency—you'll write both daily</li><li>Experience with data warehouses—Databricks, Snowflake, BigQuery, or Redshift</li><li>ETL/ELT pipeline development—Fivetran, Airbyte, Stitch, or custom pipeline experience</li><li>API integration experience—REST, GraphQL; you're comfortable reading API docs and building integrations with enterprise SaaS tools</li><li>Data modeling skills—dimensional modeling, schema design, understanding of how data will be used downstream</li></ul><h2>Preferred</h2><ul><li>Background in hardware or hardtech companies—you understand manufacturing, supply chain, and physical product development</li><li>Experience with dbt (data build tool)</li><li>Experience with data quality frameworks and testing (Great Expectations, dbt tests, etc.)</li><li>Comfortable building lightweight internal tools—Python/Flask, basic frontend—or using AI coding assistants (Cursor, Copilot) to extend your capabilities</li><li>Familiarity with MES, ERP, or supply chain systems (ION, SAP, NetSuite, etc.)</li></ul><h1>Why Join Radiant</h1><ul><li><strong>Mission: </strong>Clean energy that can go anywhere—few problems matter more</li><li><strong>Team: </strong>Work alongside exceptional people from SpaceX, Blue Origin, and other top engineering organizations</li><li><strong>Compensation: </strong>Competitive compensation with equity</li><li><strong>Benefits: </strong>Health/dental/vision, 401(k), and flexible PTO</li><li><strong>Impact: </strong>The pipelines you build directly reduce manual work for Finance and give leadership real-time visibility</li><li><strong>Variety: </strong>You'll work across 9 different systems—Finance, HR, Manufacturing, CRM, Documents—never boring</li><li><strong>Modern stack: </strong>Databricks, Fivetran, dbt, Airbyte—best-in-class tools</li></ul><h1>Additional Information</h1><p>This position requires the ability to work in the United States and eligibility for access to export-controlled information under ITAR/EAR.</p><div><p><strong>Total Compensation and Benefits</strong></p><p>Radiant'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. </p><p><strong>Benefits and Perks for Eligible Employees:</strong></p><ul><li>Stock: Substantial incentive stock plan for all full-time employees.</li><li>Medical: 100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.</li><li>One Medical: Sponsored memberships for eligible employees and their dependents.</li><li>Vision: 100% premium coverage for top tier plan + 50% for dependents.</li><li>Dental: 100% premium coverage for top tier plan (including orthodontia) + 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><p><em>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.</em></p><p><em>Unfortunately, we are unable to provide visa sponsorship at this time. </em></p><p><em>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.<br></em></p></div>

<p>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;</p>

Staff Data Platform Engineer, Enterprise Data

<div><p>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.</p></div><h1>About the Role</h1><p>We're building a new team to own Radiant's internal data infrastructure, executive analytics, and AI capabilities. As a Staff Data Platform Engineer, you'll be hands-on building the integrations and pipelines that connect Radiant's operational systems—Finance, HR, Supply Chain, Manufacturing, and Recruiting—into a unified data platform.</p><p>Your first priority will be the ION-Ramp integration: building the pipeline that enables three-way matching (PO + Receipt + Invoice) between our manufacturing execution system and payments platform. This directly reduces manual work for the Finance team. From there, you'll expand to connect 9 enterprise systems, build dbt transformation models, and ensure data quality across the platform.</p><h1>What You'll Do</h1><ul><li><strong>Build integrations:&nbsp;</strong>Configure Fivetran connectors, build custom pipelines, and connect 9 enterprise systems (ION, Ramp, QuickBooks, Rippling, Ashby, Salesforce, SharePoint, Smartsheet, DocuSign)</li><li><strong>Develop the ION-Ramp pipeline:&nbsp;</strong>Build the Snowflake → Databricks → Ramp pipeline that enables three-way matching for Finance</li><li><strong>Write dbt models:&nbsp;</strong>Transform raw data into clean, documented, tested models for dashboards and analytics</li><li><strong>Ensure data quality:&nbsp;</strong>Implement testing, monitoring, and alerting for data pipelines; catch issues before they reach dashboards</li><li><strong>Support dashboards:&nbsp;</strong>Work with the PM and stakeholders to ensure the data models support Finance, Operations, and HR/Recruiting dashboards</li><li><strong>Document everything:&nbsp;</strong>Maintain clear documentation for pipelines, models, and data definitions</li></ul><h1>What We're Looking For</h1><h2>Required</h2><ul><li>5+ years of data engineering or software engineering experience</li><li>Python and SQL proficiency—you'll write both daily</li><li>Experience with data warehouses—Databricks, Snowflake, BigQuery, or Redshift</li><li>ETL/ELT pipeline development—Fivetran, Airbyte, Stitch, or custom pipeline experience</li><li>API integration experience—REST, GraphQL; you're comfortable reading API docs and building integrations with enterprise SaaS tools</li><li>Data modeling skills—dimensional modeling, schema design, understanding of how data will be used downstream</li></ul><h2>Preferred</h2><ul><li>Background in hardware or hardtech companies—you understand manufacturing, supply chain, and physical product development</li><li>Experience with dbt (data build tool)</li><li>Experience with data quality frameworks and testing (Great Expectations, dbt tests, etc.)</li><li>Comfortable building lightweight internal tools—Python/Flask, basic frontend—or using AI coding assistants (Cursor, Copilot) to extend your capabilities</li><li>Familiarity with MES, ERP, or supply chain systems (ION, SAP, NetSuite, etc.)</li></ul><h1>Why Join Radiant</h1><ul><li><strong>Mission:&nbsp;</strong>Clean energy that can go anywhere—few problems matter more</li><li><strong>Team:&nbsp;</strong>Work alongside exceptional people from SpaceX, Blue Origin, and other top engineering organizations</li><li><strong>Compensation:&nbsp;</strong>Competitive compensation with equity</li><li><strong>Benefits:&nbsp;</strong>Health/dental/vision, 401(k), and flexible PTO</li><li><strong>Impact:&nbsp;</strong>The pipelines you build directly reduce manual work for Finance and give leadership real-time visibility</li><li><strong>Variety:&nbsp;</strong>You'll work across 9 different systems—Finance, HR, Manufacturing, CRM, Documents—never boring</li><li><strong>Modern stack:&nbsp;</strong>Databricks, Fivetran, dbt, Airbyte—best-in-class tools</li></ul><h1>Additional Information</h1><p>This position requires the ability to work in the United States and eligibility for access to export-controlled information under ITAR/EAR.</p><div><p><strong>Total Compensation and Benefits</strong></p><p>Radiant'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;</p><p><strong>Benefits and Perks for Eligible Employees:</strong></p><ul><li>Stock: Substantial incentive stock plan for all full-time employees.</li><li>Medical: 100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.</li><li>One Medical: Sponsored memberships for eligible employees and their dependents.</li><li>Vision: 100% premium coverage for top tier plan + 50% for dependents.</li><li>Dental: 100% premium coverage for top tier plan (including orthodontia) + 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><p><em>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.</em></p><p><em>Unfortunately, we are unable to provide visa sponsorship at this time. </em></p><p><em>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.<br></em></p></div>

Staff Data Platform Engineer, Enterprise Data

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Radiant

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