Top Tech Jobs & Startup Jobs in Los Angeles, CA

Leads the design and development of tactical communications and data-link systems for coherent distributed networks. Responsibilities include RF systems engineering, digital signal processing, directional beamforming, time transfer, GPS-denied positioning, radar analysis, algorithm optimization, modeling and simulation, hardware development, field testing, technical documentation, and mentoring engineers.

Develop and validate 3-DOF and 6-DOF missile flight and engagement simulations. Integrate flight dynamics, guidance, navigation, control, seeker, propulsion, sensor, and hardware models into closed-loop, SIL, HITL, and real-time environments. Analyze trajectories, Monte Carlo results, telemetry, and flight-test data; support system trades, verification, test planning, model correlation, postflight reconstruction, and anomaly resolution. Maintain simulation software, automated tests, documentation, and engineering deliverables.

Owns end-to-end support for deployed defense systems worldwide. Responsibilities include 24/7 incident response, real-time fleet monitoring, remote diagnostics, hardware and software troubleshooting, on-site deployments, root-cause investigations, post-incident reviews, documentation, and automation. The role requires Linux, networking, scripting, physical systems experience, strong communication under pressure, rotating on-call availability, travel, and security-clearance eligibility.

Design and implement guidance and navigation software for clean-sheet airframes and UAS platforms. Responsibilities include developing embedded real-time software, supporting airframe design, integrating software with flight hardware, incorporating low-level drivers and firmware, and contributing to system integration and testing. The role is full-time onsite in Hawthorne, California, and requires extensive object-oriented software development experience, UAS guidance algorithm expertise, embedded microcontroller and Linux platform experience, and U.S. Person status.

Design and implement high-performance embedded software for software-defined radio platforms. Develop low-level software and firmware interfaces for RF hardware, lead firmware and software integration, and support system integration, testing, validation, and deployment. The role requires embedded Linux, device drivers, C/C++, Python, real-time and bare-metal programming, ARM platforms, and radio transceiver experience. This is a full-time, on-site position in El Segundo, California.

Develops and supports production and R&D software for next-generation radar products. Responsibilities include integrating software with commercial hardware, supporting deployed capabilities for U.S. and international customers, and collaborating on a small engineering team. The role requires advanced Python, Linux, object-oriented development, Agile methodologies, CI, and TDD. Work is full-time onsite in El Segundo, California, with opportunities to work across radar and other defense product families.

Define enterprise AI architecture and governance; build secure LLM platforms, gateways, agent frameworks, retrieval systems, access controls, and cost tracking. Establish AI integration across software development and CI/CD, including automated testing and policy gates. Design secure data boundaries for CUI and ITAR data across cloud, government, on-premises, and air-gapped environments. Align AI usage with CMMC, NIST, FedRAMP, ITAR/EAR, and AI risk-management standards.

Designs, administers, secures, and operates Windows Server and Azure infrastructure in a defense environment. Responsibilities include identity management, cloud deployment, patching, monitoring, automation, backup and disaster recovery, vulnerability remediation, compliance support, incident escalation, infrastructure projects, documentation, and mentoring. The role also supports Microsoft 365, endpoint management, technical standards, and on-call operations.

Integrate software, sensors, RF devices, hardware, and networking in customer and mission environments. Diagnose complex hardware, software, and edge-network issues; develop Python or Bash automation, diagnostics, and observability tools; document configurations and troubleshooting procedures; and relay operational feedback to engineering teams. The role requires hands-on field work, customer collaboration, Linux and networking expertise, and travel up to 50% for deployments and mission support.

Conduct complex workplace investigations from intake through findings, including sensitive discrimination, harassment, retaliation, and executive-level matters. Develop objective reports, partner with HR and Legal on corrective actions, and draft employee relations policies. Build investigation frameworks, improve case-management workflows, analyze trends, create playbooks and training, and lead process-improvement projects. Requires a JD and occasional travel up to 10%.