Top Tech Jobs & Startup Jobs in Los Angeles, CA

The Senior Manufacturing Engineer will develop manufacturing processes, ensure manufacturability, oversee production from prototype to serial production, and improve efficiencies in nuclear reactor assembly.

Lead administration and evolution of the Siemens NX CAD ecosystem: develop standards, automation, Check‑Mate rules, manage large assemblies, reusable libraries, produce manufacturing-ready drawings, enforce best practices, support PDM workflows, and partner with engineers on mechanical parts and complex assemblies for a nuclear microreactor.

Provide hands-on IT support and systems administration across endpoints, identity, network infrastructure, collaboration tools, cloud services, and internal apps. Maintain security, compliance, imaging/patching, monitoring, and documentation to support engineering, manufacturing, and business teams in a regulated, government-facing environment.

Lead Antares' visual identity and produce photography, video, and design. Create content for social, web, press, events, and executive communications; direct agencies and vendors; drive creative vision for campaigns; establish brand standards and design systems; work cross-functionally and operate in secure industrial environments.

Develop and maintain real-time embedded firmware for microcontrollers and instrumentation used in microreactor control. Implement device drivers and communication protocols, support hardware bring-up and debugging, create test plans and verification, collaborate across electrical, controls, systems, and safety teams, and implement fault detection and safe-state logic for qualification and deployment.

The Manufacturing Engineer will develop manufacturing processes for nuclear reactor sub-systems, focusing on parts manufacturability, process qualifications, and collaboration across teams for design improvements.

Design, implement, test, and validate firmware for microcontroller and embedded platforms that interface with sensors, actuators, DAQs, and communication buses. Lead hardware bring-up, board-level debugging, fault handling, telemetry, and HIL testing while collaborating with electrical, controls, safety, and test teams to ensure safety, reliability, and regulatory compliance.

The R&D Machinist I will operate CNC mills and lathes, troubleshoot machinery, and provide feedback to engineering while working on high-tech materials.

The Senior Build Quality Engineer develops and implements quality processes, ensures industry standards adherence, and drives quality assurance within the supply chain.

Serve as a senior HR business partner advising leaders and employees on people operations, employee relations, talent planning, performance, organizational design, compliance, and change management. Build scalable HR policies and processes, lead lifecycle processes (promotions, leaves, offboarding), enable manager coaching and leadership development, and leverage people analytics to inform workforce decisions. Partner cross-functionally with Recruiting, People Ops, Legal, Finance, and IT.