Engineering Jobs in California, United States

The City of Hanford’s Utilities & Engineering Department seeks an Associate Engineer or Civil Engineer to support municipal and private development projects, including capital improvement contracts and technical staff support. The role involves design, field inspections, contract administration, and collaboration with consultants and public agencies.

Encina Wastewater Authority’s Engineering team drives the design, construction, and operation of wastewater facilities and capital improvement projects. The Associate/Engineer/Principal Engineer develops engineering designs, manages project budgets, coordinates with contractors, and ensures compliance with regulations.

Tahoe-Truckee Sanitation Agency Civil Engineering team designs, builds, and maintains wastewater conveyance and treatment infrastructure for the Truckee region. Engineers develop plans, manage budgets, oversee construction, and ensure regulatory compliance while mentoring junior staff.

The Community Services and Development Agency in Yuba County, CA is establishing an eligibility list for anticipated Assistant, Associate, and Associate Civil Engineer vacancies. The role involves applying civil engineering principles to roads, bridges, culverts, and public infrastructure; preparing and reviewing engineering plans, specifications, cost estimates, and technical reports; managing projects, schedules, and consultant or construction contracts; and communicating technical information

Northrop Grumman Aeronautics Systems team builds advanced systems modeling and simulation capabilities for aerospace platforms. The Systems Modeling Simulation Engineer models operational environments, performs trade studies, designs and integrates physics‑based real‑time simulations, and supports blue/red tactics and CONOPS analysis.

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.

Northrop Grumman Aeronautics Systems, Systems Engineering organization. The Modeling Simulation and Analysis Engineer will develop and analyze campaign-level simulations, create test strategies, and translate CONOPs into modeled behaviors to support fleet sizing and operational decisions.

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.

Memory Technology Group at SanDisk builds cutting‑edge 3D NAND flash memory. The Senior Technologist designs transistor‑level datapath and page buffer circuits, runs full‑chip simulations, and leads RTL design, synthesis, and verification in Verilog.

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.

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.

Relativity Space is building rockets for today and tomorrow. As an Engine Systems Development Engineer II on the Propulsion team, you will design, analyze, and test liquid‑propellant engines for the Terran R vehicle.

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.

Relativity Space is building rockets to meet today’s launch needs and future breakthroughs. The Principal Engine Systems Development Engineer will lead the design, integration, and testing of the Aeon‑R engine for the Terran R vehicle.

Qualcomm Cloud AI team builds scalable inference platforms for large language models. The LLM Serving Engineer designs and optimizes serving frameworks, integrates open‑source packages, and collaborates with compiler, firmware, and platform teams to deliver high‑performance GenAI solutions.

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.

Guild.ai Production Engineering team builds the control plane for AI agents, delivering secure, scalable infrastructure for both internal services and customer environments. The role designs and operates cloud and Kubernetes platforms on GCP, Terraform, and multi‑cloud VPCs, while leading SOC2 compliance, observability, and CI/CD pipelines.

Qualcomm's IT Engineering group in Santa Clara, California is hiring a Senior Engineering IT Engineer to independently plan and execute moderately-defined IT functions such as design, analysis, evaluation, testing, debugging, and implementation of applications supporting business processes and operations. Day-to-day work includes analyzing, installing, acquiring, modifying, and supporting operating systems, database or utilities software; planning and directing analysis of business problems for

Sephora’s IT Services Engineering team designs and delivers enterprise-grade technology platforms to power operations at scale. As a Senior Engineer, you will build secure solutions across ServiceNow and Atlassian while directing AI agents to accelerate design, configuration, and implementation.

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.