Top Design Engineer Jobs in San Francisco Bay Area, CA

Lead system- and board-level design for hyperscaler switches: define specs, create schematics/PCB, FPGA/ASIC design and bring-up, debug high-speed interfaces, coordinate across ASIC, SI, software, diagnostics, manufacturing, and supplier teams to resolve design issues.

Designs mechanical and electromechanical test fixtures, tooling, and related hardware for optical networking products. Responsibilities include CAD modeling, engineering drawings, BOMs, configuration-controlled documentation, engineering analysis, tolerance studies, fabrication support, assembly, troubleshooting, validation, and deployment. The role collaborates with engineers, technicians, suppliers, and manufacturing partners to deliver reliable, manufacturable solutions throughout the product development lifecycle.

Own the architecture, transistor-level design, verification, tapeout, and silicon bring-up of a low-noise, ultra-low-power analog/mixed-signal ASIC for an implantable neural interface. Lead foundry, IP, packaging, and test decisions; design critical analog blocks; develop behavioral models; direct verification and reliability analysis; mentor engineers; and establish design documentation and reproducibility standards.

Develop and verify RTL for next-generation LiDAR FPGA systems, including simulation, testbench development, synthesis, timing closure, system integration, and real-time sensor optimization. Implement low-level logic for FPGA-based SoCs, support hardware debugging and board bring-up, participate in design reviews, and collaborate with firmware and software teams. The role is onsite in San Francisco.

Lead the architecture, hydraulic design, documentation, integration, manufacturing readiness, controls coordination, and commissioning of liquid-cooling and mechanical distribution systems for modular AI data centers. Own P&IDs, calculations, equipment and valve schedules, interfaces, standards, and performance validation. Collaborate with thermal, electrical, controls, manufacturing, commissioning, supply chain, OEM, and field teams to create scalable, serviceable, repeatable systems for deployment across multiple sites.

Designs, develops, releases, and launches driveline components and assemblies from concept through production. Coordinates with purchasing, suppliers, testing, manufacturing, and other engineering functions; establishes cost, weight, performance, and quality targets; ensures CAD and drawing quality; supports root cause analysis, design reviews, cost reduction, prototype builds, and production activities.

Design and develop high-temperature mechanical components, assemblies, and systems from concept through production. Perform FEA, thermal and fluid-flow analysis, FMEA, GD&T, and tolerance stack-ups. Integrate sensors, instrumentation, and cable routing while collaborating with electrical and controls teams. Lead prototyping, testing, design reviews, supplier documentation, scheduling, and cross-functional progress reporting. The role is onsite in Alameda with up to 10% travel.

Designs and implements process systems for battery materials manufacturing facilities, especially bulk material handling, conveying, blending, screening, and packaging. Develops process documentation, equipment sizing, control schemes, and safety deliverables through detailed engineering, construction, commissioning, and startup. Collaborates with multidisciplinary teams and external partners to resolve design issues, close HAZOP and MOC actions, and support reliable, compliant, cost-effective plant operations.

Designs and documents ASIC modules, supports pre-silicon simulation and verification, develops hardware and software test systems, and validates and characterizes chips. The engineer will document test plans, debug root causes, and work across analog, digital, and post-silicon validation activities in an on-site startup environment.

Designs and characterizes photonic integrated circuits and high-speed optical components, including lasers, detectors, modulators, and integrated waveguides. Performs RF and electro-optical modeling using HFSS and ADS, develops experiments, analyzes device performance data, and collaborates with fabrication, testing, reliability, packaging, systems, and product engineering teams. Requires advanced expertise in optical communications, DWDM systems, component fabrication, epitaxy, testing, and signal analysis.

Design, evaluate, procure, assemble, and test spacecraft structures, brackets, and mechanisms. Develop component and system requirements, perform mechanical and thermal analyses, integrate hardware, and improve build procedures. The role also supports recruiting and hiring. Requires hands-on mechanical design experience, CAD and GD&T proficiency, and familiarity with mechanical and thermal analysis in hardware development.

Own the complete lifecycle of spacecraft mechanical subsystems, including design, analysis, requirements development, integration, testing, and hardware delivery. Develop spaceflight structures and mechanisms, manage subsystem schedules and interfaces, establish design practices, and collaborate with assembly and test teams. Mentor junior engineers and support recruiting. The role requires aerospace hardware design experience, CAD expertise, GD&T, manufacturability knowledge, and prior satellite flight hardware experience.

Lead microarchitecture definition and synthesis-ready RTL implementation for processor and accelerator SoCs. Own dataflow execution fabrics, memory subsystems, on-chip networks, low-power logic, peripheral integration, and hardware/software execution models. Drive PPA optimization, verification collaboration, design documentation, mentoring, synthesis and timing closure, DFT support, tape-out, and silicon bring-up for highly energy-efficient edge-computing hardware.

Designs electrical control systems for conveyor and material-handling equipment, including power calculations, 480V and 120V schematics, I/O drawings, PLC and panel layouts, field-device layouts, and material specifications. Collaborates with customers, sales engineers, and project managers to define requirements. Inspects, tests, commissions, and troubleshoots motor control panels for compliance with design standards, codes, and project specifications.

Design and develop high-speed mixed-signal interfaces and analog circuits for next-generation NVLink products. Responsibilities include schematic design, transistor-level architecture, layout guidance, verification, simulation, behavioral modeling, noise and stability analysis, circuit optimization, and post-silicon characterization and debugging.

Build and own SnapMagic’s AI-assisted electronics design and CAD software. Develop full-stack applications using Python, Django, JavaScript, HTML, CSS, and PostgreSQL; ensure hardware-grade accuracy, reliability, and scalability; engage directly with hardware engineers; and guide product priorities based on adoption and user outcomes. The role requires hands-on hardware experience, strong product judgment, independent problem-solving, testing, code review, and ownership from concept through production.

Build and verify FPGA-based networking acceleration for Microsoft Azure. Develop constrained-random SystemVerilog verification environments, test plans, test cases, assertions, sequences, constraints, and functional coverage. Automate test execution for CI/CD, collaborate with hardware and software teams using Agile methods, and occasionally support customer-reported hardware issues through on-call responsibilities.

Develop and own physical design tools, flows, and methodologies for AI accelerator silicon. Lead block implementation from floorplanning through final signoff, collaborating with RTL designers, EDA vendors, and ASIC partners. Optimize timing, power, and area while driving PPA convergence and improving execution quality. The role requires expertise in physical design, methodology development, coding, RTL, microarchitecture, physical verification, timing closure, and industry-standard synthesis and implementation tools.

Design and implement a coherent design system and data-dense frontend interfaces. Lead frontend implementation in React, write production code, review against design intent, talk with users to shape solutions, and balance craft with shipping velocity.

Own the complete thermal system for medium-voltage solid-state power conversion products, from architecture and modeling through CAD, CFD, prototyping, validation, manufacturing, and production. Lead concept selection, thermal routing, DFM/DFA, testing, troubleshooting, and technical direction for junior engineers. Collaborate cross-functionally with mechanical, electrical, manufacturing, quality, supplier, and factory teams to solve novel thermal engineering challenges.

Design and release active grille shutter and other vehicle components from concept through production and launch. Coordinate with purchasing, suppliers, testing, manufacturing, and vehicle subsystem teams; establish cost, weight, performance, and quality targets; maintain CAD models and technical drawings; support root cause analysis, design reviews, cost reductions, product improvements, and prototype and production builds.

Build polished, responsive front-end applications for Chiri Brain and client-specific AI solutions. Design user flows, prototypes, interfaces, reusable components, and design systems while integrating APIs, authentication, business data, agent workflows, and security controls. Work directly with customers and stakeholders to understand needs, rapidly prototype, gather feedback, and ship production-quality software. Help establish scalable front-end architecture and use AI-assisted development tools to accelerate delivery.

Design and own mechanical robotic subsystems from concept through prototyping, testing, iteration, and production. Responsibilities include CAD modeling, material and tolerance selection, design for manufacturability, hands-on prototype fabrication using 3D printing and CNC machining, and integration of motors, sensors, electronics, and actuators into robotic arms and mobile bases. The role requires close collaboration with hardware teams to develop reliable systems for data center operations.

Develop thermal-hydraulic models for scientific apparatus using ASME B31.3-2022 for installation at a research reactor. Perform steady-state and transient temperature modeling, work independently, and coordinate with EPC contractors and vendors on costs and budgets. The role is remote, part-time, and temporary, with at least four required site visits to State College, Pennsylvania. U.S. citizenship, background screening, drug-free status, and references are required.

Design physical ICT infrastructure for data centers and mission-critical buildings, including fiber and copper cabling, pathways, telecom rooms, rack elevations, outside plant systems, and construction drawings. Develop Revit/BIM models, coordinate low-voltage systems and other engineering disciplines, support site visits and design reviews, review submittals and RFIs, and contribute to commissioning documentation. Apply BICSI, TIA/EIA, and ANSI standards while collaborating with engineers, contractors, vendors, and clients.