Principal Software Engineer - Responsible AI (CoreAI) MicrosoftPrincipal Software Engineer - Responsible AI (CoreAI)Redmond, WA$142,800–$274,800 / yearThere 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 $188,000 - $304,200 per year. Bachelors Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, or Python OR equivalent experience.
Senior Test Engineer MicrosoftSenior Test 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. To achieve this goal, the Silicon Manufacturing and Product Engineering 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.
Sr. Electrical Engineer MicrosoftSr. Electrical EngineerRedmond, WA$119,800–$234,700 / yearMasters Degree in Electrical Engineering, Computer Engineering, or related field AND 3+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, or related field AND 5+ 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.
Principal/Senior Software Engineer, Experimentation Platform - CoreAI MicrosoftPrincipal/Senior Software Engineer, Experimentation Platform - CoreAIRedmond, WA$119,800–$234,700 / yearMaster’s Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor’s Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python 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.
Senior Software Engineer - CTJ - Poly MicrosoftSenior Software Engineer - CTJ - PolyRedmond, WA$119,800–$234,700 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python 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.
Software Engineer II MicrosoftSoftware Engineer IIRedmond, WA$102,100–$202,200 / yearYou will work across the full stack—from low-level Linux-based device software to cloud-scale service orchestration—enabling intelligent decision-making on hardware health signals and improving overall cloud hardware availability and performance. 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 $133,800 - $219,200 per year.
Software Engineer II - CTJ - Poly MicrosoftSoftware Engineer II - CTJ - PolyRedmond, WA$102,100–$202,200 / yearMasters Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. 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 $133,800 - $219,200 per year.
Research Software Engineer - Multiple Levels- AI Frontiers MicrosoftResearch Software Engineer - Multiple Levels- AI FrontiersRedmond, WA$102,100–$202,200 / yearOur projects have been guided by this mission, such as our agentic reasoning models (Phi family), our latest Computer Use Model (Fara), our synthetic data generation pipeline (AgentInstruct), our agent frameworks and experiences (AutoGen, Magentic-One and Magentic-UI), as well as our agentic ecosystems (Magentic Marketplace). Masters Degree in Computer Science, Software Engineering, System Engineering, Human Computer Interaction, or related field AND 3+ years experience working in a software engineering team and/or shipping production code OR equivalent experience .
Senior Software Engineer, Security AI MicrosoftSenior Software Engineer, Security AIRedmond, WA$119,800–$234,700 / yearIn this hands-on engineering role, you will design, build, and operate production AI services that combine large language models, retrieval-augmented generation, agent-based workflows, knowledge systems, and security data to solve real-world security challenges. You will collaborate with engineering, applied science, threat intelligence, security operations, product, and partner teams across Cloud + AI to deliver systems that are secure by design, operationally excellent, durable and grounded in measurable platform impact.
Software Engineer II - CTJ - POLY MicrosoftSoftware Engineer II - CTJ - POLYRedmond, WA$102,100–$202,200 / yearMasters Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. If you love solving challenging problems, developing scripts and/or automation to solve said problems, and are passionate about operating and automating robust, reliable, highly distributed software systems using the latest cutting-edge technologies, then let’s talk. .
Senior Welding Engineer System OneSenior Welding EngineerBellevue, WA$56–$95 / hourSystem One is seeking a Senior Welding Engineer for a yearlong contract role to work as part of a high-functioning team of engineers focused on materials processing, supply chain development and supplier qualification for next generation material and components for sodium-cooled fast reactors. Oversee test programs for qualification of welds, including mechanical properties, burst testing, thermal creep, creep-fatigue, neutron irradiation, thermal aging, and sodium exposure.
Test Engineer System OneTest EngineerBellevue, WA$52–$85 / hourThe selected candidate will work closely with multidisciplinary engineering teams, scientists, and technicians to ensure testing is completed safely, accurately, and in accordance with project requirements. Bachelor's degree in Mechanical Engineering, Nuclear Engineering, Electrical Engineering, Chemical Engineering, or a related engineering discipline.
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.
Senior Mechanical Design Engineer System OneSenior Mechanical Design EngineerBellevue, WA$52–$85 / hourCoordinate and utilize inputs and requirements from Engineering and Project teams to produce equipment and components design solutions, including drawings, models, and specifications. Support continuous learning and application of nuclear industry best practices to maintain the highest quality of engineering design and proactively identify process change/enhancement opportunities.
Senior Engineer, Fuel Handling and Dry Storage System OneSenior Engineer, Fuel Handling and Dry StorageBellevue, WARemote$52–$85 / hourThis role is responsible for the engineering design of spent fuel pool systems, dry cask storage equipment, and associated mechanical systems while supporting licensing, regulatory compliance, and multidisciplinary engineering activities. System One is seeking an experienced Senior Fuel Handling & Dry Storage System Engineer to support the design, analysis, and qualification of nuclear fuel handling and dry storage systems for advanced nuclear energy projects.
NewPlant Integration Engineer – Steam & Power Systems System OnePlant Integration Engineer – Steam & Power SystemsBellevue, WARemote$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.
Senior Safety Methods Engineer System OneSenior Safety Methods EngineerBellevue, WA$37–$74 / hourThe engineer also builds automated, repeatable workflows, documents methodologies and assumptions, collaborates across disciplines to align methods with design and safety analysis, and follows SQA/NQA-1 practices to ensure traceability, configuration control, and reproducibility. Responsibilities include running steady-state and transient analyses to assess model performance and fidelity needs, integrating closure models and empirical correlations into existing frameworks, and identifying gaps through sensitivity studies to drive method improvements.
System Design Engineer, EM Pump System OneSystem Design Engineer, EM PumpBellevue, WARemote$69–$115 / hourGenerate design package for pumps, pump support systems, sub-systems, and equipment designs including coordination of calculations, design reports, mechanical drawings, and engineering design specifications. This individual will provide technical ownership of a submersible EM pump operating within a liquid-sodium processing system and coordinate with multidisciplinary engineering teams, suppliers, and testing personnel.
Senior Engineer, Plant Thermal Hydraulic Methods System OneSenior Engineer, Plant Thermal Hydraulic MethodsBellevue, WARemote$56–$95 / hourDemonstrated experience in developing or improving analysis methods, including numerical scheme development, closure model formulation, and stability/accuracy optimization strategies. Formulate and integrate closure models and empirical correlations (e.g., heat transfer, pressure drop, mixing, component-level physics) into existing analysis frameworks.
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.