NewPlant Integration Engineer – Steam & Power Systems System OnePlant Integration Engineer – Steam & Power SystemsBellevue, WA$56–$96 / hourMinimum 10 years of experience in nuclear power plant design, commercial power generation, power plant modifications, oil & gas, refining, chemical processing, or large industrial process facilities. Experience with: Steam cycle systems, Heat exchangers, Thermal energy storage, Molten salt systems, Balance of Plant (BOP), Energy Island design, Nuclear Island integration.
Plant Radiological Integration Engineer System OnePlant Radiological Integration EngineerBellevue, WARemote$69–$115 / hourJob Title: Plant Radiological Integration Engineer Location: Bellevue, WA Type: Contract Compensation: $69.00 – $115.00 Work Model: Remote – offsite Hours: 40.0System One is hiring a Plant Radiological Integration Engineer to provide the following services that will focus on Nuclear Island System, Structure and Component (SSC) design integration with plant radiological design, analysis, and shielding requirements. Responsibilities Coordinate between design teams working on plant source term and radiological release analysis, risk analysis, plant operations and SSC radiological shielding design teams.
Nuclear Plant Integration Engineer (Test Abstracts and Specifications) System OneNuclear Plant Integration Engineer (Test Abstracts and Specifications)Bellevue, WARemote$69–$115 / hourSystem One is seeking an experienced Nuclear Plant Integration Engineer to coordinate and support the creation, development and management of post-construction and startup test abstracts and test specifications for our client’s Advanced Reactor Demonstration project. The primary focus of this role is developing and fortifying the framework, across the system design engineering teams, for creation and authorship of test procedures, test abstracts and test specifications.
Senior Test and Integration Engineer LeidosSenior Test and Integration EngineerSeattle, WA$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. You'll contribute to a multidisciplinary team focused on testing, integrating, and validating advanced maritime technologies, ensuring system reliability and performance from prototype design to full-scale system deployment for ongoing Navy missions.
Principal Engineer, Seismic CSA Integration and Oversight System OnePrincipal Engineer, Seismic CSA Integration and OversightBellevue, WARemote$69–$115 / hourPerform technical reviews of work products, including seismic analysis, soil-structure interaction (SSI) analysis, and probabilistic assessments. Support the development of plant level requirements and strategies related to seismic design and licensing activities for advanced nuclear reactor projects.
CAD/CAE Engineer ComriseCAD/CAE EngineerRedmond, WA$54–$56.66 / hourTemporaryContractorFull timeJob title: CAD/CAE Engineer Location: Onsite at Redmond, WA Pay range: $54 - $56.66/hr W2 Responsibilities: Supports engineering data quality and PLM readiness by executing CAD data cleanup and alignment activities within CAD and PLM systems. Success in this role depends on strong attention to detail, ability to follow structured processes, and effective collaboration with engineering teams.
Software Development Engineer II, OMHS SCS Amazon.com Services LLCSoftware Development Engineer II, OMHS SCSBellevue, WAWe are constantly innovating in the ways we are automating and accelerating the delivery of packages which includes custom robotics, mechatronics, conveyance, supply chain optimization, machine learning, manipulation, image processing, and real-time data processing using distributed systems. The ideal candidate will enjoy working at multiple layers of the stack from the low-level machine controls layer up through embedded Linux applications and cloud-based solutions to interface with and manage fleets of real-world devices.
Sr. Software Dev Engineer, Amazon Music Catalog Amazon.com Services LLCSr. Software Dev Engineer, Amazon Music CatalogSeattle, WAWe offer experiences that serve all listeners with our different tiers of service: Prime members get access to all the music in shuffle mode, and top ad-free podcasts, included with their membership; customers can upgrade to Amazon Music Unlimited for unlimited, on-demand access to 100 million songs, including millions in HD, Ultra HD, and spatial audio; and anyone can listen for free by downloading the Amazon Music app or via Alexa-enabled devices. - Own building models for production and feed AI/ML outputs to systems and services by closely partnering with Applied Scientists, SDEs, Product Managers and Technical Program Managers.
Nuclear Reactor Systems & Systems Integration (RSSI) Project Coordinator System OneNuclear Reactor Systems & Systems Integration (RSSI) Project CoordinatorBellevue, WARemote$52–$85 / hourSystem One is seeking a Reactor Systems & Systems Integration Project Coordinator who can focus on the management of engineering design activities, coordination of interfaces between project teams, and facilitation of engineering work planning and team staffing. The successful candidate will coordinate with engineers working on plant level functions, systems, components, and/or engineering analyses to establish a comprehensive coverage of coordination functions imbedded with the engineering teams.
CRD System Design Engineer (Mechanical) System OneCRD System Design Engineer (Mechanical)Bellevue, WARemote$54–$90 / hourThe selected candidate will collaborate with project managers, design engineers, analysts, test engineers, supply chain teams, and other engineering disciplines to support the successful development and deployment of advanced reactor technology. The successful candidate will demonstrate strong technical leadership, engineering excellence, attention to detail, and the ability to thrive in a fast-paced, collaborative engineering environment.
Systems Engineer, Controls Fleet, Data Center Capacity Delivery Amazon Web Services, Inc.Systems Engineer, Controls Fleet, Data Center Capacity DeliverySeattle, WAThe ideal candidate will have strong experience in Windows Server administration and Linux systems, hands-on experience with automation and scripting (PowerShell, Python, or Bash), and solid understanding of networking and distributed systems. You'll make an impact by deploying and managing critical infrastructure, creating automated solutions for large-scale deployments, collaborating with teams to improve system reliability, and implementing solutions to technical challenges.
RAC System Engineer (Process & I&C) System OneRAC System Engineer (Process & I&C)Bellevue, WARemote$54–$90 / hourDevelop engineering designs supporting lifecycle factors including operability, maintainability, and reliability. Previous experience with commercial nuclear reactors and systems, high temperature pressure vessels, or similar systems (highly desired).
Systems Engineer CollaberaSystems EngineerKirkland$60–$70 / hourTemporaryContractorLocation: Kirkland, WA / San Diego, CA (Hybrid - 2 or 3 Onsite) . Building and scaling enterprise developer platforms.
Systems and Requirements Management Engineer System OneSystems and Requirements Management EngineerBellevue, WARemote$52–$85 / hourThe selected candidate will work closely with engineering teams, design partners, suppliers, and project stakeholders to develop, manage, verify, and maintain requirements while supporting the integration of systems, structures, components, testing, construction, and operations activities. The successful candidate will possess strong analytical and leadership skills, thrive in collaborative engineering environments, and demonstrate a commitment to continuous improvement, technical excellence, and successful project execution.
Optical Engineer III Pinnacle Technical ResourcesOptical Engineer IIIRedmond, Washington$75–$85 / hourContractorThe Optical Engineer III will play a critical role in developing new concepts and technologies for next-generation Near-Eye Displays (NEDs), projectors, cameras, and sensors. The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment.
Electrical Engineer System OneElectrical EngineerSeattle, WA$43–$55 / hourThis individual will work closely with FAA engineers and project teams to support communications infrastructure upgrades, equipment installation, system integration, and engineering design activities. Provide engineering support including design development, SIP/IRD preparation, design updates, technical reviews, and coordination activities.
I&C Design Engineer System OneI&C Design EngineerBellevue, WARemote$52–$85 / hourYou will report directly to the Non-Safety I&C Manager and collaborate with a dedicated team of scientists and engineers, driving the future of Generation IV advanced nuclear reactor technologies. This opening plays a pivotal role in advancing technology for Sodium Fast Reactor systems, focusing on system design, prototype development, integration, and commissioning.
I&C Human Factors Engineer System OneI&C Human Factors EngineerBellevue, WARemote$56–$95 / hourThis role focuses on integrating Human Factors Engineering (HFE) into digital control systems and human-system interfaces (HSIs) for next-generation reactor technology. This role supports an advanced nuclear technology program focused on delivering safe, reliable, and innovative energy solutions.
System Transients Analysis Engineer System OneSystem Transients Analysis EngineerBellevue, WARemote$67–$110 / hourThis role will focus on thermal hydraulic and transient analysis activities supporting advanced reactor system design, plant operations analysis, and control system integration. System One is seeking a highly capable and motivated System Transients Analysis Engineer to support an advanced sodium-cooled reactor program.
NewSenior Quantum Engineer - Digital Control Systems MicrosoftSenior Quantum Engineer - Digital Control SystemsRedmond, WA$119,800–$234,700 / yearBachelor’s degree in Electrical Engineering, Computer Engineering, or related field and 6+ years of technical engineering experience OR Master’s degree in Electrical Engineering, Computer Engineering, or related field and 4+ years of technical engineering experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.
NewPrincipal Hardware Engineer, AI Systems MicrosoftPrincipal Hardware Engineer, AI SystemsRedmond, WA$142,800–$274,800 / yearMasters Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 7+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 8+ years technical engineering experience. To achieve this goal, the Cloud Hardware Systems Engineering (CHSE) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.
System Design Engineer System OneSystem Design EngineerBellevue, WARemoteExperience developing and maintaining mass and energy balance models using Aspen HYSYS and/or Aspen Plus . Integrate results from thermal, structural, seismic, pipe stress, and heat transfer analyses into overall system designs.
CAD/CAE Engineer JouléCAD/CAE EngineerRedmond, WA$54.84 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Execute CAD data cleanup and alignment activities within CAD and PLM systems.
Fuel Handling System Design Engineer System OneFuel Handling System Design EngineerBellevue, WARemote$52–$85 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Develop analyses such as thermal, seismic, structural, pipe stress, heat transfer, and others, integrating results into plant design delivery.
Mechanical Engineer IV- #26-16937 US Tech Solutions, Inc.Mechanical Engineer IV- #26-16937Redmond, WARapid Prototype Mechanical Design: Design and develop rapid prototypes of mechanical components for AR products, ensuring timely delivery and meeting project specifications. Lead Mechanical Engineering workstreams for electromechanical sensor integration onto wearable hardware, ensuring all mechanical aspects of development, performance, and reliability are met ensuring program success.
NewPrincipal Software Engineer (AI / Agentic Developer Productivity) MicrosoftPrincipal Software Engineer (AI / Agentic Developer Productivity)Redmond, WA$142,800–$274,800 / yearES365 owns the tools and systems used by thousands of Microsoft developers who innovate across the companys largest codebases, from source control and check-in experience to build, validation, and deployment automation. For additional context, example workstreams have included AI-assisted large-scale codebase refactoring, automated package integrations, deep architectural Q&A over codebases, and human-in-the-loop directed code changes.
Fuel Handling Design Engineer System OneFuel Handling Design EngineerBellevue, WA$52–$85 / hourInterface with cross-functional design disciplines (mechanical, instrumentation & controls, civil, nuclear) to develop plant design information and define system design/performance criteria. Physical requirements include sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control, with minimal physical exertion, including the ability to safely lift up to 25 pounds.
NewSenior Firmware Engineer MicrosoftSenior Firmware EngineerRedmond, WA$119,800–$234,700 / yearDoctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 1+ year(s) technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 4+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 5+ years technical engineering experience OR equivalent experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.
Test Engineer System OneTest EngineerBellevue, WA$37–$74 / hourThe selected candidate will work closely with multidisciplinary engineering teams, designers, technicians, and project stakeholders to develop innovative test solutions, execute test campaigns, analyze results, and deliver high-quality technical documentation. This role is ideal for an engineer with experience in research and development (R&D), mechanical testing, and experimental validation who enjoys solving complex engineering challenges in a collaborative environment.
Junior I & C Design Engineer System OneJunior I & C Design EngineerBellevue, WA$115–$190 / hourThis role will focus on the development of Instrumentation & Control systems for nuclear island systems, structures, and components (SSCs), working closely with multidisciplinary engineering teams to deliver safe, reliable, and innovative engineering solutions. Bachelor's degree or higher in Controls Engineering, Electrical Engineering, or a related engineering discipline from an accredited university.
NewComponent Engineer, Nuclear System OneComponent Engineer, NuclearBellevue, WARemote$52–$85 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. This role may require sitting or standing for extended periods, with tasks including bending, grasping, and fine motor control.
DevOps Engineer III Pinnacle Technical ResourcesDevOps Engineer IIISeattle,, WashingtonRemote$80–$85 / hourContractorCritical objectives within the team are related to each and every service: high uptime/zero downtime (availability), efficiently scaled (up to 1000 requests per second) and performance (sub-second latency) for our customers. The specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment.
Application Security Engineer OpendoorApplication Security EngineerSeattle, WASet the bar for what "secure by default" looks like for AI-maximalist engineering, including vibe-coded apps, MCP servers, and agent-driven workflows that touch. ● 5+ years of application security or software engineering experience with a security focus, with strong skills in at least one of Python, Go, TypeScript, or Ruby — and the ability to.
People Analytics AI Engineer SamsaraPeople Analytics AI EngineerSeattle, WAThis Staff AI Engineer role sits directly within the People team and acts as the technical bridge between HR professionals, people operations, program managers and the people that build Samsara, You’ll design, develop, and operate secure, scalable applications, automations, and AI workflows that transform manual HR work into efficient, production-grade solutions. • Proficiency with low-code / no-code automation platforms (e.g., Workato, UiPath, Zapier), core enterprise platforms (e.g., Workday, Google Suite, Slack, Salesforce, ServiceNow), AWS and similar platforms, and data warehouses (e.g., Databricks, Snowflake, Google BigQuery, Amazon Redshift).
NewSenior Site Reliability Engineer MicrosoftSenior Site Reliability EngineerRedmond, WA$119,800–$234,700 / yearJoining the Azure Cosmos DB team is a fantastic opportunity to work with incredibly talented engineers operating like a startup and be at the forefront of building and shaping the Livesite Automation and AI Ops stack in Cosmos DB and lead the path for broader adoption across Microsoft Azure. Microsoft’s Azure Data engineering team is leading the transformation of analytics in the world of data with products like databases, data integration, big data analytics, messaging & real-time analytics, and business intelligence.
SMTS/LMTS Full Stack Software Engineer Tableau SoftwareSMTS/LMTS Full Stack Software EngineerSeattle, WAExperience integrating and orchestrating LLMs and AI services using APIs, SDKs, and agent frameworks such as OpenAI APIs, LangChain, MCP, RAG pipelines, tool calling, and vector databases. Our team is shaping the next generation of analytics, delivering seamless, interactive visualization experiences embedded directly into user workflows and integrated with modern platforms to enhance engagement and collaboration.
NewSr. Hardware Engineer TPM MicrosoftSr. Hardware Engineer TPMRedmond, WA$119,800–$234,700 / yearOR Masters Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 8+ years technical engineering experience. Masters Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 3+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 5+ years technical engineering experience.
Principal Software Engineer Tableau SoftwarePrincipal Software EngineerBellevue, WAYou will be a leading technical representative across the application stack — negotiating interfaces with peer teams, driving architectural alignment across the product, and setting the bar for non-functional quality (availability, multi-tenancy, security, performance) across GRPC and python application services. • Define SLIs and SLOs for the teams features and services in partnership with Product, design rollout strategy and telemetry that spans pre-release / canary / stagger periods, and lead service ownership: on-call rotations, ops and readiness reviews, runbooks, and automation.
NewIT Systems Engineer System OneIT Systems EngineerBellevue, WA$28–$52 / hourThis hands-on role is responsible for maintaining physical compute, storage, virtualization, and power infrastructure across a private data center and multiple regional facilities. The ideal candidate has extensive experience with VMware environments, enterprise storage, server hardware, backup systems, and data center operations.
Supplier Project Engineer, Supply Chain System OneSupplier Project Engineer, Supply ChainBellevue, WARemote$69–$115 / hourThe Supplier Project Engineer will provide oversight of supplier activities throughout the project lifecycle, ensuring contract requirements, technical expectations, schedules, and deliverables are successfully achieved. • Demonstrated experience supporting supplier relationships in engineering, manufacturing, or highly regulated industries.
Machine Learning Engineer- Services OpendoorMachine Learning Engineer- ServicesSeattle, WAAs a software engineer on the team, you’ll collaborate with data scientists, machine learning engineers, product managers, and partner engineering and operations teams to turn ideas into resilient, production-ready systems. We build the core platform that turns data, models, and business logic into the prices that power our entire business.
Safety Analysis Engineer, Nuclear System OneSafety Analysis Engineer, NuclearBellevue, WARemote$69–$115 / hourThis contract Safety Analysis Engineer role performs deterministic nuclear safety analysis and transient/accident modeling (RELAP5-3D or similar) to support U.S. NRC licensing submittals. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Cloud Security Engineer OpendoorCloud Security EngineerSeattle, WACloud Security: GuardDuty, Security Hub, CloudTrail, GitHub Advanced Security; CSPM/CNAPP replacement in flight (Wiz, Datadog Cloud Security, CrowdStrike Falcon. ● Partner with the Infrastructure team on cloud-native security decisions: VPC architecture, ingress, secrets management (Vault), service identity, and how Okta extends into AWS, Azure, and GCP.
NewSoftware Engineer - CTJ - Poly MicrosoftSoftware Engineer - CTJ - PolyRedmond, WA$85,400–$168,100 / yearAs a Software Engineer on the MSC team, you will work alongside multiple teams within Azure, Office, and throughout Microsoft to manage and automate a large-scale Commerce platform, provide world-class analytics to customers about their consumption and billing details, and set the stage for enterprises all around the world to interact with Azure and Office seamlessly and effectively, ensuring customers and partners can provision and transact from the Azure Marketplace. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $111,100 - $183,700 per year.
Staff Machine Learning Engineer (Research Scientist) - DFAI PlaidStaff Machine Learning Engineer (Research Scientist) - DFAISeattle, WA$249,120–$367,920 / yearPhD: 5–9+ years of industry experience with evidence of technical leadership (tech lead, principal/staff-equivalent roles) and end-to-end production ownership. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use.
Senior Staff Software Engineer, Infrastructure RipplingSenior Staff Software Engineer, InfrastructureSeattle, WAYou will shape the systems that determine how software gets built across the company, from local development environments and CI/CD pipelines to agent sandboxes, testing infrastructure, repository architecture, and AI-native development workflows. • Youll work at the center of Ripplings engineering organization, shaping the developer experience for more than 1,000 engineers while defining how AI agents integrate into every stage of the software development lifecycle.
NewSenior Associate, Privileged Access Management Delivery Engineer KPMGSenior Associate, Privileged Access Management Delivery EngineerSeattle, WA$95,855–$208,265 / yearImplement and maintain PAM capabilities including privileged credential management, session management, just-in-time access, and endpoint management (EPM)components; implement automated integration across adjacent security solutions (for example: Crowdstrike, SIEM solutions, ServiceNow); automate PAM tasks using scripting and APIs (such as PowerShell, Python, REST, and others) and integrate with enterprise platforms (that is, Active Directory, IdPs, ITSM platforms, SIEM platforms, and more). Hands on experience with Privileged Access Management delivery and engineering, with specific experience using CyberArk On-Prem and SaaS solutions; additional experience with secrets management platforms (that is, Conjur, HashiCorp) and other PAM platforms (such as Delinea, BeyondTrust) preferred.
RAC System Design Engineer (Mechanical) System OneRAC System Design Engineer (Mechanical)Bellevue, WARemote$54–$90 / hourThe selected candidate will collaborate with project managers, design engineers, analysts, test engineers, and multidisciplinary engineering teams to support the successful design, integration, and deployment of this first-of-a-kind reactor technology. This role will support the ongoing development of a passive reactor cooling system designed to continuously remove heat through natural convection, providing safe and reliable cooling without reliance on pumps or operator actions.
Senior Software Engineer, Backend Full Stack - Data Cloud RipplingSenior Software Engineer, Backend Full Stack - Data CloudSeattle, WAHeres how they relate: Data Cloud provides the unified data that AI reasons over: Rippling AI leverages the Employee Graph and all platform data (payroll rules, earnings types, deduction logic, permissions, etc.) as its source of truthBecause Rippling is a unified platform rather than stitched-together acquisitions, the data is clean, consistent, and complete which makes AI answers accurate and context-awareAI respects the same permissions model as the rest of the platform, so it only surfaces data the user is authorized to see. For office-based employees (employees who live within a defined radius of a Rippling office), Rippling considers working in the office, at least three days a week under current policy, to be an essential function of the employees role.
Program Chief Engineer LeidosProgram Chief EngineerLake Stevens, WA$131,300–$237,350If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Leidos’ Undersea Systems Division is a recognized leader in C4ISR technologies, delivering innovative, mission-critical solutions across sensor networks, unmanned systems, and tactical platforms.