Top Senior Engineer Jobs in Seattle, WA

Lead design, development, and testing of a deployable launch and recovery system for a next-generation UAS. Create CAD models and manufacturing drawings, perform structural, thermal, and fatigue analyses, oversee prototyping and validation, integrate launcher with aircraft systems, and support flight test campaigns and supplier production for field-deployable military operations.

Lead integration, validation, and fielding of advanced weapon capabilities on X-Bat across the full lifecycle. Define system behaviors and architectures, coordinate cross-functional integration, support lab/ground/flight tests, perform troubleshooting and root-cause analysis to reduce integration risk and accelerate capability delivery.

Design and release propulsion hardware for a low-bypass turbofan UAV across engine, fuel, oil, and bleed air systems. Create CAD models/drawings (Siemens NX), apply GD&T, support manufacturing, testing, BOM/configuration control, analyses (hand calcs, FEA, GFSSP, REFPROP), and collaborate with production, flight test, and cross-functional teams.

Lead design, validation, and deployment of advanced electrical hardware test systems for UAVs. Architect PCBs and test interfaces for power electronics, RF, and communications; develop automated Python test sequences; design test fixtures and integrate PLCs, relays, and harnessing; run HASS/ESS/HALT; drive DFT reviews; and mentor junior engineers.

Lead thermal design, analysis, and integration for UAV avionics and custom power electronics. Develop and validate hand-calculation, CFD, and numerical models. Drive trade studies, test planning, instrumentation, and model correlation. Provide technical leadership, mentor junior engineers, and influence PCB/part selection and enclosure thermal designs to meet aerospace requirements.

Lead design, analysis, and integration of avionics thermal management for unmanned aircraft. Develop and validate analytical, numerical, and CFD models, plan and run thermal tests, correlate data, advise PCBA and electrical design, and present technical findings while mentoring peers and driving robust thermal solutions.

Lead design and implementation of secure, scalable network and server-room infrastructure for enterprise and classified environments. Define cybersecurity and zero-trust architectures, produce ATO documentation, develop base media solutions, evaluate vendors, and support troubleshooting, monitoring, and incident response for LAN/WAN/cloud/hybrid and UAV C2 systems.

Lead structural analysis for UAV airframes and components using FEA and hand calculations. Execute static, modal, fatigue, vibration, and damage-tolerance analyses; validate models against tests; support flight test correlation; optimize structures for weight, performance, cost, and manufacturability; mentor analysts; and coordinate cross-functionally to influence structural design decisions and standards.

Lead design and development of advanced electrical systems for autonomous aircraft, including circuit and subsystem design, part selection, schematic capture, simulation, verification, debugging, and production releases. Integrate embedded systems and sensors for autonomy, coordinate cross-functional teams, mentor engineers, define technical requirements, and develop automated test solutions to improve hardware reliability and production readiness.

Design and integrate avionics electro-mechanical systems from concept to production, including packaging, harnesses, thermal and structural analysis, EMI/EMC compliance, PCB interfacing, validation, failure analysis, and flight test readiness while collaborating cross-functionally.

Own selection, qualification, and lifecycle management of electronic components. Manage PLM data, AML/AVL, PCNs/EOL mitigation, BOM reviews, vendor lists, alternate sourcing, and supplier technical engagement to ensure reliability and supply continuity.

Senior-level engineer delivering analytics and ML-Ops solutions for healthcare payers. Design and implement analytics platforms on Databricks, develop CI/CD and provisioning patterns, collaborate with data scientists, mentor juniors, and build client relationships to drive actionable insights and operational improvements.

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).

Design, build, and operate identity and access management solutions across cloud, Kubernetes, and SaaS. Implement role design, reduce privilege sprawl, automate access workflows and reviews, integrate logging/metrics into SIEM, detect high-risk permissions, and drive secure-by-default practices and operationalization.

Lead design and implementation of enterprise data architecture and cloud-based data solutions. Manage large data engineering projects, develop data models and pipelines, ensure governance and security compliance, advise clients strategically, and build high-performing inclusive teams.

Lead design and implementation of data architecture and scalable storage solutions, drive AI/GenAI thought leadership, oversee data governance and security, translate business requirements into technical plans, implement FastAPI endpoints, enhance LLMs through prompt engineering, and manage cross-functional teams to deliver advanced data and AI solutions.

Design, implement, test, and maintain cross-platform core libraries for CrowdStrike’s security sensor across Windows, Linux, and macOS. Own work from technical design through production validation, lead design reviews, resolve fleet-scale incidents, improve testing and reliability, collaborate across engineering teams, and mentor junior engineers. The role requires strong low-level C and C++ systems experience, cross-platform expertise, sound technical judgment, and occasional travel.

Design, develop, and maintain secure DevSecOps software factories and CI/CD pipelines for E-7A. Provide technical leadership, troubleshoot developer environments, integrate tools across AWS and disconnected on‑prem systems, and mentor junior engineers.

The Senior Software Engineer will develop backend services for the Decision Intelligence Platform, ensuring high reliability and scalability, and collaborate across teams to enhance decision-making processes at Remitly.

Design, build, and productionize real-time fraud detection models. Advance adversarial-domain techniques (graph, sequence, anomaly detection), design robust evaluation for biased/delayed labels, ensure low-latency reliable deployment, monitor models in production, and collaborate with data scientists and stakeholders to translate fraud signals into modeling solutions.

Lead design, development, and production deployment of AI/ML solutions across Atlassian products. Code in Python/JavaScript, architect APIs and microservices, implement Rovo/LLM-based features, manage risk and compliance (GDPR), mentor engineers, and align technical solutions with customer and business objectives.

Design and build high-availability IAM services in Go at cloud scale. Develop authentication and authorization systems, SSO integrations using OIDC and SAML, policy-engine capabilities, multi-tenant identity models, and secure AI-agent workflows. Own reliability across Kubernetes and event-driven architectures, address security vulnerabilities, and provide technical leadership through code reviews, mentoring, and cross-functional collaboration.

Leads infrastructure platform software engineering within an agile team. Designs, develops, tests, reviews, debugs, and operationalizes secure, scalable production code. Provides technical guidance, drives software development lifecycle governance, and promotes AI-assisted engineering practices with validation, security, and responsible-use controls. Acts as a subject-matter expert, influences product and technical decisions, and supports cloud-native infrastructure architecture across multiple platforms and technologies.

Design and implement scalable, low-latency AI security infrastructure and high-performance networking code in Rust. Collaborate with product and cross-functional teams, debug complex network/system issues, and deliver secure, testable solutions for large-scale cloud security platform.

Design, implement, and optimize high-performance cross-platform C/C++ components for event processing in the Falcon sensor. Work on kernel-mode development, low-latency systems, concurrency, IPC, memory management and performance tuning across Windows, Mac, and Linux. Integrate features with cross-functional teams, troubleshoot complex issues, mentor teammates, and own deliverables.