Top Tech Jobs & Startup Jobs in Los Angeles, CA

Lead architecture and delivery of Radiant's enterprise data platform and AI strategy. Own vendor evaluations for secure AI tooling, mentor engineers, coordinate with software teams, ensure Databricks-based integrations and dashboards meet ITAR/EAR compliance, and act as a hands-on technical leader.

Lead development and execution of cybersecurity strategy, policies, audits, and control testing. Partner with engineering and IT to integrate security requirements, advise regulators, and manage security budgets and resources. Educate stakeholders and implement high-assurance controls for nuclear, defense, and critical infrastructure environments.

Design and develop mechanisms for safety and control features in the new commercial reactor. Conduct trade studies, analyze designs, and manage integration processes.

Hands-on role assembling, integrating, and preparing turbomachinery hardware (compressors, turbines, rotors, bearings, seals, motors) for first-article testing. Develop assembly instructions, alignment and torque procedures, support rotor stacking, balancing, and tooling. Collaborate with design, test, and manufacturing teams, document builds, troubleshoot issues, and iterate on assembly processes while receiving mentorship and growing technical skills.

Own full-cycle technical recruiting to source, assess, and close top talent across technical and corporate roles. Partner with hiring managers and leadership to define hiring strategies, develop structured processes, drive proactive sourcing and employer branding, represent Radiant at events, and use data to improve recruitment outcomes.

Support design, build, and maintenance of NI PXI-based HIL test benches. Configure test hardware, integrate with Digital Twin, execute test procedures, collect and document data, troubleshoot hardware, and assist senior engineers with electrical integration and harness assembly.

The Senior Test Engineer will develop and enhance operational procedures for nuclear microreactor testing, ensuring compliance and efficiency while collaborating with a multidisciplinary team.

The Mechanical Engineer will design fluid systems, perform thermal analysis, manage assembly, select components, and conduct testing to support a nuclear microreactor project.

The Director of Regulatory Affairs will lead regulatory and licensing strategies and ensure compliance with the NRC, driving product development and market entry.

Lead the authorization process for reactor deployment; manage licensing execution, customer relationships, collaborate with teams, and mentor junior members.