Engineering Jobs in California, United States

Relativity Space seeks a Senior Engine Systems Development Engineer to lead the design, integration, and testing of Aeon‑R engine systems for the Terran R launch vehicle. The role involves driving architecture and CONOPS trades, managing interfaces, and collaborating across propulsion, manufacturing, and launch teams to deliver high‑performance liquid‑propellant engines on schedule.

The Senior Engineering Team Director - Aladdin Engineering ETF Systems Engineering leads the ETF Systems Engineering team within the Aladdin Engineering Group at BlackRock, reporting to iShares business leadership and Aladdin platform teams. You will define the long-term technical vision for the ETF Servicing Platform (ESP) and adjacent systems, owning domain architecture decisions across microservices decomposition, event-driven architectures (Kafka), cloud-native infrastructure, and API design

CAPE Developer Support & Engineering (DSE) team builds and scales technical support solutions for Amazon Appstore developers, enabling app distribution and growth. The Solutions Engineer troubleshoots Android and Amazon SDK issues, creates documentation, and develops tools using Perl, shell, Java and web technologies, while acting as a subject‑matter expert for Amazon mobile APIs.

Worldwide Engineering & Innovation (WWEI) Design Engineering team builds next‑generation sortation and transportation systems for Amazon. The Industrial Design Engineer leads design and process projects, collaborates with internal and external teams to create cost‑effective, high‑quality solutions for sort centers, cross‑dock and transport facilities, and drives technical leadership across multiple concurrent initiatives.

AI for Vehicle Engineering team at SpaceX builds automated simulation pipelines to accelerate launch vehicle and spacecraft design. The role designs, develops, and maintains scalable workflows that generate AI surrogate training data across FEA, CFD, and thermal domains.

Entegris is seeking an Engineer I, Manufacturing Engineer in San Luis Obispo, CA, to develop and implement world-class manufacturing methods that improve safety, quality, efficiency, and agility. Day-to-day, the role evaluates and improves production processes, creates and revises part instructions and routings, leads lean-sigma and continuous improvement projects, supports on-time shipping, and collaborates with operations and engineering on new product development and validation.

Relativity Space seeks a Staff Engine Systems Development Engineer to lead the design, integration, and testing of the Aeon‑R engine for the Terran R launch vehicle. The role involves driving system architecture and CONOPS trade studies, managing interfaces, and coordinating with manufacturing, test, and launch teams.

OpenAI seeks a seasoned Software Engineer to lead the design and implementation of next-generation billing and monetization systems for its AI products. The role involves architecting scalable, enterprise-ready billing platforms that support both subscription and usage-based models, integrating across the full stack, and building tools that enable internal teams to access billing data seamlessly.

FieldAI’s Irvine team builds risk-aware, reliable field‑ready AI systems for robotics. The Software Engineer, Data Engineering designs, builds, and maintains production data pipelines and backend services that ingest telemetry, logs, and sensor data from deployed robots into platforms used by autonomy, analytics, and ML teams.

The Signal Engineer III leads engineering oversight for Caltrain’s signal and grade crossing systems, ensuring compliance with FRA, CPUC, and Caltrain standards. Responsibilities include configuration management, technical support for operations, design reviews, asset management, and development of maintenance programs.

AI Research & Engineering at Anthropic builds reliable, interpretable, and steerable AI systems. As a Research Engineer on the Reinforcement Learning Engineering team you will design and improve algorithms and infrastructure that enable training of large language models with RLHF, boosting performance, robustness, and usability for researchers.

RRM Design Group seeks a full‑time Project Engineer to lead structural design and detailing for diverse building types, applying analysis, CAD, and client liaison skills to deliver quality projects on schedule.

Group Technology team at ROCKWOOL designs and delivers mechanical, plumbing and fire protection utilities for new factories and major projects. The Mechanical Engineer/Project Engineer leads utility scope execution, coordinates suppliers, ensures compliance, and supports budgeting and tender development while traveling up to 60% internationally and nationally.

Construction Engineering team at Walter P Moore designs and delivers complex structural solutions for infrastructure projects across the United States and internationally. The Senior Engineer leads steel design, connection detailing, and erection sequencing analysis while supervising junior staff and coordinating with architects, developers, and contractors.

RRM Design Group seeks a full‑time Project Engineer to lead structural design and detailing for buildings across California. The role involves performing wind, seismic, and gravity analyses, producing detailed calculations, drafting 2D CAD drawings, and preparing specifications and estimates.

Product Engineering team at Rillet builds the core product experience for AI-native ERP customers. The Engineering Manager leads the large product engineering group, shaping structure, architecture, and driving high‑stakes initiatives while partnering with product, design and SMEs.

Northrop Grumman Aeronautics Systems seeks an Engineer/Principal Engineer - Survivability to advance stealth and detection‑reduction technologies. The role designs, models, and tests electromagnetic, infrared, visual, and acoustic signatures, collaborates with cross‑functional teams, and drives material and system integration.

ASR Group seeks a Sr. Engineer, Project Engineering to lead and manage engineering projects related to safety, process improvement, infrastructure, capacity expansion, compliance, and operational performance at the Crockett, California refinery. The role involves overseeing project execution, managing budgets and resources, mitigating risks, coordinating with cross-functional teams, and ensuring projects are completed safely, on time, and within budget.

Brex, an AI‑powered spend platform, seeks an Engineering Manager to lead GTM engineering teams across marketing, sales, and self‑serve funnels. The role focuses on building and optimizing Brex.com, GTM applications, and AI‑powered growth systems to reduce CAC and boost marketing effectiveness.

Database Engineering team at Snowflake builds a petabyte‑scale cloud database that is highly parallel, fault‑tolerant, and supports industry‑leading data warehousing. The Software Engineer designs, develops, and optimizes query processing and distributed data services, instruments performance bottlenecks, and creates tools for customer workload insight.