Top Design Engineer Jobs in Seattle, WA

Lead memory subsystem and complex SoC design from architecture and microarchitecture through silicon bring-up. Develop and integrate RTL, optimize performance, power, bandwidth, and latency, and collaborate across verification, physical design, DFT, firmware, and post-silicon teams. Provide technical leadership, mentor engineers, drive IP reuse, debug system issues, and ensure design-quality closure using simulation, emulation, synthesis, timing, lint, CDC, and RDC processes.

Lead design and analysis of aircraft primary (EPGS) and secondary (SPDS) electrical power systems. Develop requirements, system architecture, schematics, interface docs, and certification artifacts. Oversee supplier integration, support lab/flight tests, troubleshoot fielded hardware/software, and support FAA Part 25 certification.

Collaborate with product designers to implement modular, reusable React components and pixel-perfect UI across desktop and mobile. Build performant CSS-driven interactions, animations, and micro-interactions. Bridge front-end logic with design and maintain high polish across Vetcove's applications.

Designs building automation controls systems for lower- to mid-level projects, including control drawings, material selection, sequences of operation, submittals, as-builts, and closeout documentation. Reads construction documents and schematics, selects system peripherals, collaborates with project teams, manages assigned budgets and schedules, resolves field issues, and prepares reports. Requires technical controls knowledge, computer-aided design proficiency, communication skills, safety training, and occasional travel to job sites.

Own complex ASIC and SoC physical implementation from synthesized netlist through signoff, including floorplanning, placement, CTS, routing, timing closure, ECOs, physical verification, and power integrity. Lead cross-functional timing and implementation convergence, develop automation and methodologies, resolve advanced-node challenges, and provide technical mentorship. Partner with RTL, architecture, DFT, verification, package, and SI/PI teams while driving PPA, runtime, quality, and tapeout readiness.

Provide engineering support and design for LAN/WAN/WLAN/SD-WAN, Meraki and VPN across ~1,400 locations. Troubleshoot, optimize, document, and secure network infrastructure, manage load balancers (F5), firewalls, and participate in disaster recovery, compliance (SOX/PCI), and cross-team incident response.

Design and develop high-speed photonic integrated circuit devices. Perform RF and electro-optical simulations (HFSS, ADS), execute electrical/optical s-parameter testing, create designed experiments, analyze large datasets, and collaborate with fab, test, reliability, packaging, system, and product engineering to ensure device performance and reliability.

Lead architecture, design, fabrication, testing, and optimization of silicon photonics integrated circuits for coherent long-haul, metro, and pluggable optical systems. Drive PIC specification, link-budget analysis, DFM/DFT practices, cross-functional execution with RFIC/DSP/packaging/foundry partners, and establish simulation and test infrastructures for scalable, high-yield production.

Build and maintain frontend-leaning, full-stack Creative and Studio products using React and Next.js. Develop AI interfaces, UX/UI workflows, proof-of-concept products, integrations, and end-to-end features. Collaborate with Design, Engineering, Growth, and Sales; iterate based on user feedback; maintain scalable, secure infrastructure; process large datasets; and mentor less experienced engineers. The role emphasizes strong portfolio work and demonstrated software engineering ability rather than formal degrees or certifications.

Create production-ready mechanical designs using SolidWorks, including 3D CAD models, technical drawings, dimensions, tolerances, and manufacturing specifications. Revise designs, reverse engineer products, assess materials and manufacturability, calculate mass, and identify design risks. Develop engineering improvements, maintain accurate documentation, support multiple projects, and meet deadlines while working independently with US-based engineering teams.

Own and enhance Infisical’s website by building pixel-perfect, reusable frontend components, core pages, microsites, and frontend architecture. Integrate CMS, analytics, attribution, and marketing tools while implementing SEO, A/B testing, accessibility, performance, and conversion optimization. Collaborate with engineering, design, marketing, and company leadership to create a high-quality website that drives organic traffic and user adoption.

Design, implement, verify, and debug FPGA-based communication modules for UAV avionics. Perform synthesis, timing closure, bitstream generation, and hardware bring-up. Integrate FPGAs with system architecture, optimize for latency/reliability, collaborate across hardware/firmware/software teams, participate in design reviews, and maintain documentation.

Lead end-to-end mechanical design and manufacturing for TCA rocket engine components. Drive DFM-focused design, tooling and fixture creation, implement advanced fabrication (additive, CNC, EDM, specialized joining), develop process parameters, and plan/execute hotfire test campaigns with analysis and rapid redesign for flight qualification.

Design, analyze, and integrate thermal management systems for launch and recovery systems and electronics. Develop analytical and CFD models, prototype and test mechanisms, lead trade studies and risk assessments, drive test planning and data correlation, and collaborate across mechanical, electrical, avionics, manufacturing, and test teams toward production and field deployment.

Lead mechanical design of ground support equipment (GSE) for next-gen UAS: create CAD models and drawings, perform structural/thermal/fatigue analysis, oversee prototyping and testing, integrate with aircraft systems, support flight tests, and develop documentation for field sustainment.

Lead architecture, design, and development of precision wire harnesses and cable assemblies for autonomous UAVs. Own 3D CAD routing, analysis, prototypes, and testing. Perform electrical and environmental reliability analysis, integrate with avionics/systems/manufacturing, and mentor engineers to establish harness design best practices.

Design and develop structural and mechanism systems for autonomous UAV launch/recovery. Create CAD models, perform structural and kinematic calculations and preliminary FEA, prototype and test mechanisms, support pre-production and flight testing, collaborate with cross-functional teams, participate in design reviews, and improve design processes and configuration management.

Lead mechanical design of rugged, deployable Ground Support Equipment (GSE) for next-generation UAS. Create CAD models and drawings, perform structural/thermal/fatigue analyses, run trade studies, oversee prototyping and testing, develop technical documentation, collaborate with manufacturing/suppliers, and support flight test campaigns to meet military and aviation standards.

Design and optimize PCBs for embedded control and power electronics across prototyping to high-volume manufacturing. Own Altium infrastructure and libraries, establish PCB/DFM/DFA/DFT standards, optimize layouts for EMI/EMC and thermal reliability, support contract manufacturers, and field/production troubleshooting (~10% travel).

Designs aerospace structures, tooling, mechanisms, and advanced composite components from concept through deployment. Creates CAD models, drawings, bills of materials, and inspection criteria; applies GD&T and performs mechanical strength calculations. Leads subsystem design, validates analyses, and supports manufacturing, quality, testing, procurement, and deployment. The role also documents requirements and test materials, supports business development, and mentors junior engineers.

Designs next-generation consumer hardware from early concepts through production. Partners with Industrial Design to develop mechanical architectures, prototypes, mechanisms, CAD models, materials, manufacturing approaches, and production-ready solutions. Applies DFM/DFA, GD&T, tolerance analysis, and mechanical engineering principles while collaborating with electrical engineering, manufacturing, suppliers, and prototype shops. The role emphasizes highly cosmetic products, ergonomics, form, aesthetics, functional integration, and rapid design iteration.

Design and verify digital integrated circuits, including processor architectures, memory-management units, multicore systems, and cache systems. Responsibilities include defining specifications, analyzing architecture trade-offs, participating in design reviews, supervising IC layouts, developing behavioral models, characterizing prototypes, and coordinating product testing and releases. The program also provides exposure to design verification and analog design through training and on-the-job projects.

Design machines using SolidWorks for a customer engagement. This fully remote contract is expected to last three months, with potential extension. Candidates should have at least two years of SolidWorks experience and be at an intermediate level or higher.

As a Senior Structures Design Engineer, you will lead technical aspects and design of pressurized and primary structures for a reusable launch vehicle, from requirements to integration.

The Design Engineer will work on RF chain for auto-band systems, focusing on PCB design and building system parts.