Top Engineering Jobs in Los Angeles, CA

Lead end-to-end flight software development for autonomous spacecraft, including mission operations tools, ground services, embedded vehicle software, telemetry, commanding, testing, simulation, and flight readiness. Collaborate with avionics, propulsion, GNC, and systems teams to define interfaces and data models. Support CI/CD, software- and hardware-in-the-loop testing, environmental testing, and flight campaigns in a fast-moving, on-site aerospace startup environment.

Build and maintain scalable full-stack web applications for Snap’s user-facing products. Develop interfaces and services, optimize performance, contribute to shared libraries, analyze operational and engagement metrics, and use AI-assisted workflows while maintaining code quality, security, scalability, and production readiness.

Develops, validates, and improves manufacturing test assets and processes for mechanical, electrical, and pneumatic assemblies. Leads test equipment and tooling design, sequencing, documentation, work orders, training, and shop-floor support. Analyzes test data, investigates failures, drives corrective actions, and collaborates with design, manufacturing, production, supply chain, and quality teams. Provides technical leadership on safety, tooling, capital equipment, manufacturability, testability, and reparability for aerospace hardware production.

Develops, validates, and improves manufacturing test assets and processes for mechanical, electrical, and pneumatic rocket assemblies. Responsibilities include designing or sourcing test equipment, authoring procedures and specifications, creating work orders and mBOMs, supporting shop-floor testing, analyzing test data, leading root-cause investigations, and implementing corrective actions. The role also provides technical leadership for workcenter development, safety, tooling, capital equipment, and cross-functional manufacturing test execution.

Develops, validates, and improves manufacturing test assets and processes for mechanical, electrical, and pneumatic rocket systems. Responsibilities include test equipment and tooling design, test sequencing, work orders, training, safety compliance, shop-floor support, test data analysis, root-cause investigations, and corrective actions. The role collaborates with design, manufacturing, production, supply chain, and quality teams to deliver scalable and reliable testing processes.

Develop and maintain physics-based space and missile defense models, engagement and mission simulations, and analysis tools using Python and C++. Integrate simulations into SIL, HIL, and distributed environments; perform verification, validation, Monte Carlo studies, and data correlation. Collaborate with engineering and government stakeholders on requirements, testing, and technical recommendations. The role requires aerospace or related experience, knowledge of orbital mechanics or missile trajectories, and eligibility for Secret or TS/SCI clearance.

Lead astrodynamics engineering for national security space missions, including orbit analysis, trajectory optimization, orbital maneuver planning, mission design, and on-orbit operations support. Serve as the astrodynamics Responsible Engineering Authority, define tools and processes, oversee subsystem engineering, interface with satellite and systems teams, and provide technical leadership and mentoring.

Develops and integrates manufacturing plans, schedules, processes, and change management for complex aerospace programs. Leads risk and opportunity analysis, stakeholder coordination, resource planning, and implementation of approved recommendations. Applies engineering drawing interpretation, manufacturing and assembly expertise, integration and testing, and structured root-cause methodologies. The role is fully onsite, requires occasional travel, first-shift work, U.S. citizenship, and eligibility for a U.S. security clearance.

Lead full-stack development on AWS for complex, distributed systems. Design architectures, translate customer requirements, drive agile lifecycle activities, mentor teams, ensure software quality, implement infrastructure tooling, and support system integration and maintenance.

Leads multidisciplinary spacecraft structural and mechanical design integration from requirements through production support. Oversees design teams, system trades, payload accommodation, interface control, clearance verification, manufacturing integration, qualification testing, milestone reviews, nonconformance resolution, and emerging technology investigations. The role is fully onsite in El Segundo, California, and requires U.S. person status, eligibility for a U.S. security clearance, and a Secret clearance post-start.

Lead hardware product development from concept through design, build, integration, and test. Own CAM responsibilities, manage schedule/cost/risk, perform derating and root-cause analysis, drive corrective actions and configuration changes, mentor junior engineers, and ensure technical decisions meet mission requirements.

Develop and maintain telemetry and command database schemas, data models, APIs, services, pipelines, and database-backed applications for spacecraft and flight-test systems. Translate engineering requirements into reliable data solutions, implement automated validation and testing, optimize database performance, troubleshoot data pipelines, support CI/CD and migrations, and collaborate with systems, flight software, test, database, and mission operations teams.

Design, implement, test, and maintain real-time Attitude Control Subsystem models and integrate them into system-level satellite simulators. Lead full software lifecycle activities, develop verification/test procedures, work with multidisciplinary teams, perform trade studies, and deliver high-impact simulation solutions in an agile CI/CD environment.

Build scalable, privacy-safe advertising signals and measurement systems for Snap’s ad platform. Lead end-to-end software and infrastructure initiatives involving signal ingestion, identity matching, data pipelines, measurement, and advertiser ROI analysis. Provide technical direction across teams, optimize availability, scalability, performance, security, and cost, and collaborate with product, machine learning, and advertising partners. Mentor engineers and apply modern AI-assisted development practices while delivering reliable production services.

Designs, develops, models, integrates, validates, and tests environmental control systems for commercial, regional, business, and military aircraft. Responsibilities include developing air and vapor cycle performance models, conducting thermodynamic, heat transfer, and fluid mechanics analyses, defining system requirements, validating models against test data, and collaborating with hardware and software engineering teams.

Work on software and hardware integrations for aerospace, automotive, energy, and manufacturing customers. Responsibilities include writing production code, building monitoring tools and dashboards, integrating software with test stands and physical hardware, troubleshooting deployments, and supporting customer engineering teams. The intern will develop and test hardware-interfacing software, collaborate with software and forward-deployed engineers, and occasionally travel to customer sites.

Embedded Software Engineering Intern developing Rust systems software for Linux userspace and integrating industrial hardware. Responsibilities include building hardware abstraction layers, communicating with sensors and controllers, debugging across software and hardware, using logic analyzers and oscilloscopes, writing tests, and participating in code reviews. The role offers hands-on experience with low-level programming, communication protocols, reliability, and safety-critical systems.

Build and improve full-stack software for engineers operating mission-critical hardware. Responsibilities include developing React and TypeScript/JavaScript interfaces, contributing to backend services and APIs, creating reliable data flows, debugging across systems, writing tested code, and collaborating on greenfield products. The intern will work closely with software engineers and operators while gaining experience across frontend, backend, databases, and hardware-connected systems.

Hands-on intern supporting customer test-stand deployments, test infrastructure, dashboards, automation, data acquisition, telemetry, hardware validation, and troubleshooting across software, networking, firmware, hardware, and physical systems. The role includes test campaigns, customer collaboration, training, documentation, and product improvement feedback. Occasional customer-site travel is required.

Build and maintain Hardware-in-the-Loop testing systems, write Python automation, integrate test equipment and hardware, and contribute to CI and testing infrastructure. Diagnose failures across software, hardware, and infrastructure while improving automated test reliability, speed, and scalability. The intern will collaborate with software, embedded, and hardware engineers, document testing practices, and gain experience integrating software with real and simulated mission-critical hardware.

Own and define Dubsado’s data infrastructure strategy, including pipelines, warehouse reliability, analytical modeling, data quality, observability, and tooling standards. Build scalable data systems, collaborate with engineering, product, and business teams, and support AI agents, customer-facing features, and internal users. Serve as the initial dedicated data specialist, operating autonomously while gradually distributing data quality ownership across engineering.

Designs, builds, and deploys classified IT infrastructure for U.S. Government programs through TS/SCI and SAP levels. Responsibilities span facility readiness, power and cooling, rack and cabling design, servers, networks, storage, virtualization, cryptographic devices, physical security, testing, troubleshooting, documentation, and RMF/ATO evidence. The role requires extensive hands-on work in SCIFs, SAPFs, data centers, and construction environments, coordination with facilities and contractors, and up to 50% travel.

Leads structural dynamics analysis for spacecraft mechanisms and actuation systems. Develops and validates finite element models; performs modal, vibration, shock, frequency response, and quasi-static analyses; manages disturbance and jitter budgets; supports dynamic testing and FEM correlation; and provides design guidance for spacecraft performance and pointing stability. Collaborates with mechanical, GNC, and systems teams, contributes to reviews and qualification, documents analyses, and mentors junior engineers.

Leads architecture, development, implementation, integration, and verification of real-time DSP systems for space-based RF payloads. Develops algorithms for I/Q processing, beamforming, detection, radar, SIGINT, and signal classification, then implements them on CPUs, FPGAs, GPUs, and embedded platforms. Optimizes systems for throughput, latency, power, and memory; supports hardware integration, testing, commissioning, technical reviews, customer engagements, and cross-functional engineering leadership while mentoring engineers.

Build and lead development of full-stack digital engineering software serving as systems of record for product, manufacturing, and operations data. Design domain models, APIs, integrations, event-driven workflows, migrations, and production infrastructure with strong traceability, observability, security, and auditability. Mentor engineers, set technical direction, collaborate with engineering and manufacturing users, and support reliable software operations in an aerospace and national security environment.