Top Tech Jobs & Startup Jobs in Los Angeles, CA

Support full employee lifecycle: onboarding, HRIS administration, employee relations investigations, respond to employee inquiries, maintain records, assist with HR policy implementation, support recruitment and site events, and provide core HR operations and reporting.

Design and deliver live workshops, role-plays, and certifications for enterprise sellers and partners; maintain enablement content library; track onboarding and certification completion; capture field feedback and iterate on materials; coordinate with SMEs and operations; manage logistics and calendars; measure enablement effectiveness and support scalable delivery.

Lead and develop the Raptor supply base for machined and metallic components, driving supplier development, cost reduction, contract negotiation, capacity planning, and risk mitigation from NPI through high-volume production while presenting status and strategy to senior leadership.

The RFIC Design Engineer will design, simulate, and model RF circuits for advanced national security programs, collaborating with multidisciplinary teams.

The Senior Mechanical Engineer at SpaceX designs and tests flight hardware, collaborates on designs, creates CAD models, and validates structures through testing.

Lead detection, investigation, and mitigation of platform abuse and illicit operators for Starlink. Develop technical detection strategies, perform threat investigations (fraud, scams, illicit activity), partner with cross-functional teams, conduct periodic reviews for legal/compliance, and balance enforcement with customer privacy.

Lead investigations and prevention of platform misuse by illicit operators. Design and deploy integrity and abuse-mitigation solutions, conduct reactive investigations (fraud, scams, illicit activity), support legal/compliance reviews, and collaborate cross-functionally while protecting customer privacy and avoiding disproportionate impacts.

Partner with internal teams to design and implement LLM-powered applications. Build prototypes and system architectures, advise on prompt design, retrieval and agent systems, and support end-to-end deployment while prioritizing safety, testing, and responsible use of AI technologies.

Design, build, and operate a highly reliable distributed telemetry platform to ingest, process, store, and query petabyte-scale data. Collaborate on architecture, partner with hardware teams, take end-to-end ownership of software and hardware stacks, and produce scalable solutions with strong emphasis on reliability, performance, and operational excellence.

Own development, production, and operation of engine combustor hardware from concept through flight. Drive design changes, coordinate peer teams, develop and run tests, analyze test/flight data, perform anomaly reviews, and iterate designs for reliability, manufacturability, and performance.