Solar Array Engineer VastSolar Array EngineerLong Beach, CaliforniaVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.
Senior Mechanical Engineer - Mission Critical DLR GroupSenior Mechanical Engineer - Mission CriticalLos Angeles, CA$84,700–$144,430 / yearThe Mechanical Engineer for Mission Critical Projects is responsible for the design, coordination, and implementation of mechanical systems for high-performance, technically complex facilities such as data centers, laboratories, clean rooms, and critical infrastructure environments. 10+ years of experience in a MEP or integrated design firm working on commercial/public projects, including the design of HVAC, plumbing and fire protection building systems on complex projects.
Principal Staff Engineer - Web Platform PlanetArtPrincipal Staff Engineer - Web PlatformCalabasas, CA$130,000–$195,000Ecommerce & High-Traffic Website Experience : Experience supporting high-volume consumer-facing websites or ecommerce platforms, with a strong understanding of scalability, uptime, performance optimization, and operational reliability. Global Engineering Collaboration : Work closely with the China-based engineering team to coordinate development efforts, conduct code reviews, align on architectural direction, manage releases, and maintain strong engineering communication across time zones.
NewSenior Cloud DevOps Engineer Valar AtomicsSenior Cloud DevOps EngineerTorrance, CaliforniaValar Atomics is looking for an experienced Cloud DevOps Engineer to design, build, and maintain scalable, secure, and highly available infrastructure primarily in AWS , with additional support for workloads in Azure . You'll work closely with software engineering, security, and platform teams to streamline deployments, improve system observability, and drive infrastructure-as-code best practices across the organization.
Staff Mission Cloud Engineer True AnomalyStaff Mission Cloud EngineerLong Beach, CA$205,000–$295,000 / yearAs a Staff Mission Cloud Engineer, you will be a critical technical expert architecting and managing multi-cloud infrastructure across multiple platforms and classification levels in support of several in-flight, critical U.S. Government programs. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Principal Mission Cloud Engineer True AnomalyPrincipal Mission Cloud EngineerLong Beach, CA$230,000–$340,000 / yearAs a Principal Mission Cloud Engineer, you will be a critical technical expert architecting and managing multi-cloud infrastructure across multiple platforms and classification levels in support of several in-flight, critical U.S. Government programs. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Traffic Engineer GpacTraffic EngineerLong Beach, CA120000–150000Successful candidates will be expected to coordinate and manage a variety of traffic related engineering projects or task assignments including but not limited to: traffic signal plans, signing and pavement marking plans, ITS plans, crash analysis, planning studies, traffic analysis and studies (TIS, HOP, TMP), maintenance and protection of traffic plans, ITS systems engineering and architecture, and simulation modelling. As their team continues to grow, they are seeking a highly motivated Traffic Engineer to join their team to work closely with staff engineers on challenging and exciting projects largely in urban areas.
Lead Antenna Engineer Impulse SpaceLead Antenna EngineerRedondo Beach, CA$180,000–$220,000 / yearThis position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. As the Lead Antenna Engineer at Impulse , your core responsibility will be to lead a team designing antenna systems for spacecraft communication systems and GNSS receivers.
Test Hardware Engineer (Electrical) Impulse SpaceTest Hardware Engineer (Electrical)Redondo Beach, CA$110,000–$160,000 / yearThis position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. 2+ years of hands-on experience designing, building, integrating, or operating electrical test hardware, laboratory equipment, industrial automation systems, or similar engineering hardware.
Embedded Software Engineer (All Levels) Castelion CorporationEmbedded Software Engineer (All Levels)Torrance, CaliforniaYour role involves close collaboration with fellow Castelion engineers across software and hardware domains to implement and debug software across the entire technology stack from applications and operating systems to networking, firmware, and simulation, ensuring complete mission success. System Experience: Practical experience with real-time embedded systems or distributed computing environments in Linux-based systems, including developing high-quality Linux-based C++ software for common processors and microcontrollers (e.g., PowerPC, x86, ARM).
Principal Data Engineer, Personalization - Central Product Insights Riot GamesPrincipal Data Engineer, Personalization - Central Product InsightsLos Angeles, CA$209,900–$293,400 / yearAs a Principal Data Engineer supporting Riot's Central Product Insights, you will design, build, and maintain scalable data pipelines and models that power critical data products, including centralized player data models, and publishing activity data systems. Turning this data into meaningful insights is a complex challenge, and our engineers meet it by staying deeply player-focused and collaborating across diverse teams to improve the lives of millions of players worldwide.
Principal Machine Learning Engineer (Platform & Integrations)- League Of Legends Riot GamesPrincipal Machine Learning Engineer (Platform & Integrations)- League Of LegendsLos Angeles, CA$292,300–$437,900 / yearLead AI/ML serving architecture that scales to production load for Riot's player base; design systems requiring minimal operational intervention; drive implementation of proven serving architectures. ML engineers at Riot own the full lifecycle of machine learning in production - from problem framing through model design, deployment, and operation - building systems that serve players at global scale.
NewSenior Software Engineer Valar AtomicsSenior Software EngineerTorrance, CaliforniaYou will work directly with reactor and fuel engineers, systems engineering, licensing, manufacturing, supply chain, and operations to understand how they actually work and then build the tooling that makes them faster. Integrate and extend commercial systems (PLM, ERP, MES, document and records management) using REST and GraphQL APIs, message queues, and event-driven interfaces.
NewPrincipal Software Engineer Valar AtomicsPrincipal Software EngineerTorrance, CaliforniaYou will set the direction the rest of our software engineers build against, take the hardest problems yourself, and work directly with reactor and fuel engineers, systems engineering, licensing, manufacturing, supply chain, and operations to understand how they actually work and then build the tooling that makes them faster. The Principal Software Engineer will own the technical architecture of the operating system for Valar—the telemetry systems that capture every second of reactor and fuel test data, the streaming backbone that moves it, the simulation platforms our reactor engineers design with, and the enterprise systems that run the company.
Backend Engineer, Rust (Mid-Senior) RevelBackend Engineer, Rust (Mid-Senior)Los Angeles, CaliforniaTo conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. 1157, or (iv) Asylee under 8 U.S.C. 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Revel is building the software infrastructure that controls the world's most critical hardware systems — across aerospace, energy, robotics, defense, and advanced manufacturing.
Senior Autonomous Flight Termination System Hardware Engineer Castelion CorporationSenior Autonomous Flight Termination System Hardware EngineerTorrance, CaliforniaYou will work hands-on with multidisciplinary engineering teams to design, build, test, and validate pulsed power electronics and firing systems, with a focus on electronic safe and arm devices (ESADs) and related architectures in a fast-paced, hardware-driven environment. We are seeking a Senior Autonomous Flight Termination System (AFTS) Hardware Engineer to design and deliver high-reliability flight safety electronics for Castelion's long-range hypersonic strike vehicles.
Sr AI/Agentic Engineer B.S.D. Capital dba LendistrySr AI/Agentic EngineerLos Angeles, California$111,200–$185,000 / yearHuman in the Loop: Follow human review process – AI engineers must maintain clear judgment and utilize established criteria for about when to trust, verify, or override AI-generated suggestions, outputs, consistent with Lendistry’s AI usage policies and applicable regulatory requirements, particularly in security-contexts involving lending decisions, borrower data, or other sensitive and business-critical contexts and financial information. Proven track record designing and operating RAG systems end to end — chunking, embeddings, vector databases (Qdrant, Pinecone, Weaviate, OpenSearch, or pgvector), retrieval, and re-ranking — including measuring and improving retrieval quality.
Sr. Power Electronics Hardware Engineer Odys AviationSr. Power Electronics Hardware EngineerLong Beach, CaliforniaYou will be tasked with architecting and delivering high-power-density SiC converter stages from concept through flight hardware, including schematic capture, PCB layout, magnetics, gate-drive and protection circuitry, thermal management, and EMI mitigation. Power Electronics Hardware Engineer, you will be responsible for the design and development of our SiC-based propulsion power electronics - motor drives, active rectifiers, and DC/DC converters - supporting both the Laila (UAV) and Alta (Hybrid-electric VTOL) programs.
Senior Software Engineer - Platform LoancrateSenior Software Engineer - PlatformLos Angeles, CaliforniaCreate and maintain golden paths for common workflows (new service setup, background jobs, event streams, APIs) so teams can ship quickly with built-in security and observability (and consistent defaults across services). This role spans infrastructure and internal developer tooling: you’ll design self-serve platforms, libraries, and automation that “just work,” enabling complex product experiences without compromising security or uptime.
Operations Engineer Essel EnvironmentalOperations EngineerSimi Valley, CAThis role collaborates with district management and engineering teams to oversee system modifications, water loss control, and energy efficiency initiatives. As an Operations Engineer, you will be responsible for ensuring the smooth operation of our projects and identifying opportunities for process improvement.