Top Systems Engineer Jobs in Seattle, WA

Design, test, calibrate, and validate inertial navigation products (INS/IMU) from prototype to production. Perform sensor calibration, numeric evaluation, simulations, data analysis, trade studies, and support qualification, documentation, customer requirements flow-down, and proposal efforts while mentoring junior engineers.

Lead systems engineering for avionics programs, owning requirements, integration, verification, and customer interactions. Mentor teams, manage risks, troubleshoot complex issues, and collaborate across software, hardware, and test disciplines to deliver airborne surveillance and navigation systems.

Design, build, and activate low- and high-voltage electrical systems for manufacturing facilities (power distribution, switchgear, UPS, generators, ATS, power monitoring). Provide engineering support, troubleshooting, load-flow analysis, equipment evaluation, grounding, and code compliance (NFPA/NEC/IBC). Coordinate installations with utilities and cross-disciplinary teams.

The L3 Systems Engineer will provide full-time remote support for Microsoft-centric environments, focusing on administration, troubleshooting, and maintenance of cloud and server systems. Candidates must possess strong proficiency in Microsoft technologies, networking, and cybersecurity, alongside excellent communication skills.

Perform systems and software engineering tasks including analysis, design, development, testing, integration, debugging, and documentation. Support API-driven, low-code/no-code BPMN-based automation platforms (Appian, Salesforce, Nintex) with SQL Server and .NET, collaborate with Agile teams, and maintain secure remote work practices for CUI-bearing government projects.

Technical owner for integrating and validating new transit features on the GATN guideway. Design requirements and integration scenarios, run track tests, assess safety function health from logs and metrics, drive triage and release readiness, and improve test suites, tooling, and processes to ensure safe, available system operations.

Provide Level 2 technical support and implementations for MSP clients, troubleshooting desktop/server/network issues, configuring hardware/software, managing backups, EDR remediation, RMM usage, and updating client documentation. Act as escalated resource on service tickets, support projects, maintain certifications, meet KPIs (MTTR, CSAT, utilization, SLA), and coordinate with service coordination and project management.

Drive MBSE activities: build and maintain SysML models in Cameo, keep architecture and documentation aligned, support requirements traceability, participate in design reviews, and collaborate with developers, DevOps, program leads, and government engineers to ensure testability and system integration.

Design, build, and operate scalable, low-latency backend services for ad decisioning, targeting, pacing, and policy enforcement. Own APIs, data models, observability, capacity planning, incident response, and ensure platform reliability at massive scale while maintaining ad-tech domain expertise.

The Deployment Systems Engineer will deploy and monitor infrastructure for advanced hardware systems, manage projects, and innovate in air-gapped environments.

As a Software Engineer, you will develop and maintain high-availability systems for software deployment, focusing on Kubernetes cluster operations and optimizations in a distributed systems environment.

The role involves developing advanced Command and Control software for Autonomous Systems, integrating full-stack solutions, and collaborating with multidisciplinary teams to enhance operational missions.

Provide systems engineering support for M-Code aviation receivers including platform and weapons integration, requirements development and traceability, ICD development, technical analysis, trade studies, SIL testing coordination, roadmap and schedule development for PNT/NAVWAR capabilities, and preparation of technical reports.

Provide senior systems engineering support to the MAR JPO across Test & Evaluation, Avionics Integration, and Cybersecurity. Perform T&E planning and analysis, platform integration and ICD assessment, vulnerability and threat evaluations for PNT systems, conduct trade studies, prepare technical reports, and support S&A task execution.

The Systems Engineer I role focuses on engineering tasks in client environments, managing endpoints, identity, and core systems, while documenting and troubleshooting issues effectively.

The Systems Engineer II leads systems work within client environments, executing changes, managing identity systems, and improving documentation and automation, while collaborating with stakeholders to ensure efficient outcomes.

Develop and optimize ultra-low-latency, high-performance trading infrastructure in modern C++. Implement and tune order execution, market data connectivity, multi-threaded systems, and risk modules. Profile and benchmark real-time systems, collaborate with quants and traders, and maintain robust, fault-tolerant continuous trading operations.

Lead design and implement deep mobile platform integrations (primarily iOS) across the Graykey product. Debug across layers (Python, native C/C++, OS userspace and kernel), analyze crash dumps and disassembled binaries, drive features from design through production, mentor engineers, and collaborate with firmware and product teams to ensure reliable multi‑device, multi‑OS operation.

The Systems Engineer / DevOps role focuses on automating operations, managing infrastructure, and supporting development workflows in a hybrid cloud environment.

Engineer and maintain cloud-based application deployments as as-a-code (AaC) using CI/CD pipelines. Configure, deploy, and troubleshoot tools like TeamWork Cloud, Cameo, and Cassandra; integrate applications with workflow/ticketing systems; develop integration interfaces (Python, PowerShell, Groovy); implement IDAM solutions; build test plans and documentation; and use DevOps tooling (Ansible, Terraform, Jenkins, GitLab). Active TS/SCI with CI poly and DoDD 8140 Security+ CE required.

As a Robot Systems Software Engineer, you'll develop innovative robotics software and algorithms, partnering with engineering teams to create high-performance robotic solutions.

The Network Systems Engineer will design, implement and manage enterprise network infrastructure, ensuring security compliance and assisting various teams with network support as Nova launches.

Lead technical direction and implementation for real-time ad decisioning and optimization: architect low-latency ML model serving, build pacing and budget-delivery systems, scale ad-serving infrastructure, enable simulation and testing frameworks, drive platform modularization, and own reliability, observability, and incident response across the ads optimization stack.

The Payment & Billing Systems Engineer manages the payment infrastructure, ensuring reliability, compliance, and accurate billing for subscription services, while developing systems for transaction processing and fraud prevention.

Develop and optimize ultra-low-latency algorithmic trading and execution engines for cryptocurrency markets. Collaborate with quantitative researchers and traders to implement and maintain high-performance HFT systems, troubleshoot production issues, and continually improve system latency and reliability.