Top Tech Jobs & Startup Jobs in Los Angeles, CA

Build and operate full-stack software, infrastructure, and internal engineering tools supporting reactor design, fuel manufacturing, licensing, and plant operations. Integrate PLM, ERP, MES, and records systems; develop web interfaces; maintain traceability and data quality; and own deployment, observability, CI/CD, and on-call operations. Diagnose issues across the technology stack, use AI coding tools responsibly, lead technical direction and reviews, and mentor engineers. The role requires collaboration across engineering, manufacturing, supply chain, quality, and operations.

Lead strategy, architecture, and governance for supply chain systems (ERP/MRP/WMS/TMS/PLM). Define data governance, controls, reporting, and integrations; lead implementations, change management, and a lean team to ensure scalability, compliance, and continuous improvement in a highly regulated manufacturing environment.

Perform rotordynamic analyses of turbomachinery rotating groups to ensure acceptable margins; define seal clearances with seal engineers; establish balancing requirements and procedures; influence manufacturable, high-efficiency design decisions and collaborate cross-functionally on power conversion systems.

The Project Manager is responsible for project execution at Numenor, including schedule management, vendor oversight, cost reporting, risk management, and establishing a pod controls function for efficient project delivery.

The Technical Recruiter will manage full-cycle recruiting for engineering and technical roles, develop sourcing strategies, assess candidates, and ensure a high-quality hiring process at Valar Atomics.

Develop and maintain a thermodynamic model of the power conversion system, integrate component performance data, define instrumentation for model calibration, partner with turbomachinery and heat exchanger teams, and evaluate system-level tradeoffs to optimize cycle efficiency, reliability, and commercial outcomes.

As a Senior Accountant, you'll manage month-end close processes, support financial reporting, ensure compliance, and improve financial systems at Valar Atomics.

Lead design, development, commissioning, and maintenance of full-stack control systems for nuclear fuel manufacturing. Responsibilities include PLC/DCS programming, SCADA/HMI development, ISA-88 batch control, SIS configuration, historian and enterprise integration, instrumentation sizing and commissioning, protocol interfacing, OT cybersecurity support, FAT/SAT execution, troubleshooting, contractor oversight, and mentoring junior engineers.

Manage supplier quality for nuclear-grade hardware: qualify suppliers, perform source inspections, implement Commercial Grade Dedication, administer CAPAs, review certifications and FAIRs, support receiving inspection, and drive supplier performance improvements.

Provide high-level administrative, operational, and logistical support to the Chief of Staff and executive team. Manage complex calendars, coordinate domestic and international travel, prepare meeting materials, draft correspondence and presentations, track action items, handle confidential information, support office operations, and assist with special projects and event coordination.