Top Systems Engineer Jobs in Los Angeles, CA

Owns Terran R vehicle RF systems, including architecture trades, link budgets, frequency planning, antenna coverage analysis, RF hardware development, integrated testing, and anomaly investigations. Establishes RF analysis standards, leads cross-disciplinary technical work, and mentors junior engineers. The role requires extensive flight-system RF experience, hands-on test equipment use, electromagnetic simulation, and Python or MATLAB automation.

Own end-to-end power system architecture and power electronics development for lunar systems, including circuit design, simulations, PCB design, packaging, bring-up, validation, environmental qualification, and reliability analysis. Lead power architecture tradeoffs, radiation and thermal mitigation, fault-tolerant design, qualification campaigns, and technical reviews. Mentor junior engineers and establish scalable design standards and processes across programs.

Leads mission systems engineering for first-of-kind space vehicles and missions. Develops physics-based simulations, mission concepts, flight plans, and operational planning tools; supports system trade studies, technology integration, and performance verification. Collaborates with multidisciplinary teams, customers, and subject matter experts while presenting technical reviews and leading integrated development efforts across space and ground systems.

Leads payload systems engineering for experimental and operational spacecraft programs. Owns system integration, supplier technical management, interfaces, technical performance, project execution, anomaly resolution, design trades, and lifecycle delivery. Coordinates with payload teams, subject matter experts, government customers, and senior leadership while developing technical reviews, specifications, proposals, schedules, cost estimates, and implementation plans.

Designs, develops, analyzes, and verifies RF, digital, and optical communications payloads for space applications. Responsibilities include requirements development, trade studies, system algorithms, MATLAB-based simulations, link and performance analysis, supplier oversight, hardware procurement, design reviews, integration, testing, troubleshooting, and on-orbit operations support. The role supports satellite programs throughout their full life cycle and requires active U.S. Secret clearance and 100% onsite work.

Develops and verifies satellite ground systems for Boeing’s MILSATCOM program. Responsibilities include requirements analysis and decomposition, systems architecture, interface design, integration and testing, verification, demonstrations, and test documentation. The role supports C2 software development in an agile environment, requirements and risk management, system-of-systems analysis, and customer delivery. This is a fully onsite position requiring an active U.S. Secret clearance and U.S. person status.

Lead or Senior Ground Systems Engineer responsible for designing, integrating, verifying, and testing satellite ground systems. Duties include requirements analysis, interface design, system architecture optimization, test plan/procedure development and execution, system integration and verification, and lifecycle support while following Boeing processes and participating in scaled agile teams.

The Ground Systems Engineer will develop and verify satellite ground systems, engage in design trade studies, and support integration and testing processes against customer requirements.

Designs and develops satellite systems across their lifecycle, including requirements definition, interface coordination, system architecture, trade studies, compliance tracking, technical reviews, and integration and test support. Collaborates with interdisciplinary teams and customers, resolves cross-functional issues, manages requirements traceability using DOORS and Cameo, supports engineering change proposals, and may contribute to launch-site or mission-operations activities.

Designs and develops RF, digital, and optical satellite communication systems and payload architectures. Responsibilities include requirements definition and verification, trade studies, CONOPS, RF and optical performance analysis, simulations, algorithm development, supplier oversight, design reviews, system integration, testing, troubleshooting, and validation across satellite program lifecycles.

The Systems Engineer will design and develop RF, digital, and optical satellite communication systems, focusing on signal processing architectures, performance analysis, and unit integration.

Design, analyze, and verify RF, digital, and optical satellite communications payloads across lifecycle. Support requirements, trade studies, algorithms, simulations (link, capacity, performance), integration, testing, and supplier oversight. Develop analysis tools and participate in proposals and design reviews.

Develop and own Relativity Space’s high-voltage lithium-ion battery system for the Terran R rocket. Responsibilities include deriving requirements, defining architecture and interfaces, selecting cells, coordinating mechanical, thermal, electrical, and BMS disciplines, owning battery safety, leading qualification and verification testing, conducting FMEA/FTA and reliability analysis, managing technical schedules and risks, supporting suppliers, and representing the battery system in design and safety reviews.

Designs and integrates complex aerospace environmental control systems, supports architecture trade studies, develops and verifies system requirements, plans and executes system-level testing, and prepares technical presentations and documentation. The role focuses on thermodynamics, fluid dynamics, heat transfer, thermal management, requirements-based engineering, model-based systems engineering, and aerospace environmental testing. Work is hybrid in Torrance, California, with no relocation offered.

Designs, integrates, and verifies complex aerospace mechanical systems involving hardware, software, and networks. Responsibilities include system architecture trade studies, requirements development and validation, verification planning, system-level testing, technical presentations, and traceable technical documentation. The role supports environmental and performance testing while coordinating with component and analysis teams. It requires a technical bachelor's degree, at least two years of mechanical-systems engineering experience, and requirements-based engineering expertise.

Develops and integrates end-to-end space systems, managing external interfaces, requirements, verification planning, architecture models, system analyses, CONOPS, design documents, test plans, and operational evaluations. The role supports system-level requirements verification and selloff, customer and contractor collaboration, and technical team leadership. Requires onsite work in El Segundo, occasional local travel, U.S. Person status, and an active Top Secret clearance.

Leads the design, architecture, integration, testing, troubleshooting, and support of complex aerospace systems involving hardware, software, and network components. Provides strategic systems engineering direction, technical leadership, project engineering, team mentoring, and coordination across multidisciplinary teams, project organizations, and customers. Ensures system designs meet quality standards and technical requirements while driving innovation and resolving field issues.

Designs, integrates, and leads complex aerospace systems involving hardware, software, and network components. Provides systems engineering direction, develops architectures, coordinates multidisciplinary teams, oversees control-system integration and test equipment, troubleshoots field issues, and supports project engineering. The role requires technical leadership, customer communication, systems integration expertise, and the ability to manage complex projects with minimal supervision.

Leads the design, integration, and verification of advanced aerospace systems. Develops system requirements, architectures, and verification plans; applies engineering principles and emerging technologies to address complex aviation challenges. Collaborates with cross-functional teams while ensuring technical, safety, reliability, and regulatory compliance. The role also includes people leadership responsibilities such as recruiting, employee development, succession planning, retention, and fostering an inclusive culture.

Lead DoD systems development programs using MBSE, SysML, Cameo, and digital engineering practices. Architect systems, guide teams through the systems engineering lifecycle, establish requirements traceability, customize and automate modeling tools, mentor engineers, and collaborate with software and domain experts. The role supports software-intensive, open-architecture systems across defense mission areas and requires an active Secret clearance with eligibility for Top Secret.

Leads architecture and scaling of Block’s finance technology stack across Oracle Fusion, accounting, tax, treasury, procurement, and FP&A. Designs financial data models, builds SQL/PL/SQL and REST/SOAP integrations, automates workflows, and translates accounting requirements into scalable technical solutions. Partners with finance, product, data engineering, and integration teams while applying AI-assisted development to improve delivery speed and financial operations.

Designs, integrates, configures, and optimizes IT infrastructure throughout its lifecycle. Installs and administers operating systems, servers, virtualization, storage, and Office 365 environments; supports high availability and security; documents procedures; researches automation; and leads DevSecOps adoption for ground-support computing infrastructure. Requires collaboration with engineering teams on requirements, schedules, deployments, and costing.

Develop and integrate space payload emulators using Xilinx SoC/FPGA platforms, embedded Linux, firmware, drivers, and hardware/software interfaces. Build Java or JavaScript GUIs for telemetry, command, and control. Perform board bring-up, lab debugging, system integration, and testing with multidisciplinary engineering teams. Use Xilinx toolchains, version control, and modern software practices while providing technical leadership during integration campaigns.

Leads software systems engineering for SATCOM mission planning tools supporting space and ground systems. Responsibilities include requirements, architecture, API and backend development, frontend interfaces, integration, testing, deployment, code reviews, security, performance improvements, and technical mentoring. The role requires Python, JavaScript, TypeScript, Agile and DevSecOps experience, an active U.S. Secret clearance, U.S. citizenship, and full-time onsite work in Seal Beach, California.

Develops system architectures using MBSE and SysML, decomposes requirements, maintains traceability, analyzes mission threads and use cases, and supports engineering milestone reviews. The role translates customer reference architectures, ensures model compliance, improves MBSE processes and tools, mentors systems engineers, and supports customer relationships. The position is fully onsite in El Segundo, California, and requires U.S. citizenship, export-control eligibility, and the ability to obtain a Secret clearance.