Top Tech Jobs & Startup Jobs in Los Angeles, CA

Develop and enhance high-fidelity, multi-physics spacecraft simulation software covering dynamics, thermal systems, propulsion, power, sensors, and actuators. Design performant C++ and Python APIs, numerical solvers, integration schemes, and coupled-physics algorithms. Lead architectural decisions, verification and validation, documentation, code reviews, technical planning, and mentoring while collaborating with mission planning, GNC, and systems engineering teams.

Develop and test flight software for spacecraft, including onboard computers, GNC algorithm integration, command and telemetry systems, spacecraft sequencing, subsystem simulators, device drivers, and communications libraries. Collaborate with ground software teams across spacecraft design, manufacturing, integration, and flight operations. The role requires low-level firmware, embedded RTOS, safety-critical systems, C/C++, Python, and eligibility for TS/SCI clearance.

Leads flight software design, development, integration, testing, and architecture for spacecraft computers. Responsibilities include integrating GNC algorithms, maintaining command and telemetry databases, developing simulators, device drivers, communication libraries, and command sequencing, while collaborating with ground software teams, conducting code reviews, mentoring engineers, and supporting technical trade studies.

Own the architecture and technical direction of spacecraft flight software, leading safety-critical embedded development, GNC integration, device drivers, communications libraries, simulation environments, and command telemetry systems. Establish engineering standards, guide verification and validation, support ground-system interfaces, and provide technical leadership across design reviews and multidisciplinary programs. The role requires deep real-time embedded, firmware, and low-level software expertise for delivered space or safety-critical missions.

Leads strategy, design, analysis, testing, delivery, and technical oversight of propulsion subsystems across space vehicles. Manages propulsion engineers and technical leads, approves flight hardware designs, balances technical, cost, and schedule requirements, resolves cross-functional issues, manages suppliers, and develops team capabilities. Requires extensive aerospace propulsion or fluid systems experience, people leadership, and U.S. citizenship for government-related work.

As a Mechanical CAD Drafter, you will create precise drawings for spacecraft components, ensuring compliance with engineering standards and collaborating with engineering teams for documentation and quality assurance.

Lead integration, verification, and system-level testing of spacecraft hardware and software subsystems. Develop test plans, procedures, requirements traceability, and automation; execute multidisciplinary testing across avionics, propulsion, communications, and other vehicle systems. Troubleshoot failures, coordinate corrective actions, document results, and support design, readiness, verification, and validation reviews throughout the production lifecycle.

Owns non-labor program costs, cost variance analysis, project budgets, forecasts, and end-to-end inventory accounting. Establishes cost controls, reconciliations, and scalable accounting processes while supporting GAAP, CAS, FAR, DCAA audit readiness, financial reporting, and audits. Partners with Finance, Supply Chain, Operations, and Program Management to improve cost accuracy, compliance, and close-cycle efficiency.

As a Fluids and Propulsion Technician, you'll assemble, integrate, and test propulsion systems, collaborating with engineering and quality teams for flight readiness.

Manage industrial security and classified program compliance for SCIF operations. Oversee NISPOM, DoD, and ICD 705 adherence; personnel clearance processes; security training; inspections; incident investigations; corrective actions; and liaison activities with DCSA, SSOs, and government representatives. Support classified program proposals and collaborate with engineering and program teams to implement security measures.