Staff Engineer Hayre Mcelroy & Associates LLC.Staff EngineerRedmond, WAFull timeResponsible for planning and designing engineering projects by ensuring compliance with government regulations and formulating responses to mitigate environmental risks. Identify environmental risks and develop risk management strategies.
Staff SW Engineer VisaStaff SW EngineerBellevue, WA$131,600–$210,300 / yearThis is a role for a self-driven engineer — a go-getter, builder, and problem solver with deep experience in Java microservices, GenAI integration, and distributed system design, and a true-north, entrepreneurial mindset focused on speed, quality, and innovation. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
NewStaff AI Security Engineer Spring HealthStaff AI Security EngineerSeattle, WA$208,000–$251,022 / yearLead secure design and threat modeling for AI systems including LLMs, agentic workflows, and retrieval pipelinesIdentify and mitigate risks such as prompt injection, data exfiltration, model abuse, and privilege escalation. With outcomes independently validated by JAMA Network Open and the Validation Institute, Spring Health reaches more than 170 million people worldwide through leading employers, health plans, and partners.
NewSenior Structural Engineer ACS Professional StaffingSenior Structural EngineerKirkland, WA$112,000–$170,000 / yearOur client, an engineering firm specializing in renewable energy, water, and environmental solutions, is seeking a Senior Structural Engineer to manage projects, lead multidisciplinary teams, and support the design of hydroelectric, fisheries, and water resource infrastructure. This role combines technical design and project leadership responsibilities, including structural analysis of concrete and steel systems, coordination across engineering disciplines, and direct client interaction throughout project execution.
NewMid-Level Project Engineer - Fisheries ACS Professional StaffingMid-Level Project Engineer - FisheriesRedmond, WA$95,000–$112,000 / yearOur client, an engineering firm specializing in renewable energy, water, and environmental solutions, is seeking a Mid-Level Project Engineer – Fisheries to support the design and construction of fish passage projects, including technical and nature-like fishways. The ideal candidate is a licensed PE (or committed to licensure) with experience in fisheries or structural engineering, proficiency in AutoCAD and Revit/MEP, and familiarity with regulatory and permitting processes.
NewSenior Engineer - Substation Physical ACS Professional StaffingSenior Engineer - Substation PhysicalPullman, WA$165,000–$215,000 / yearOur client, a leading provider of power system protection, automation, and integration solutions, is seeking a Senior Engineer - Substation Physical to lead the design and execution of complex substation projects, provide technical leadership and mentorship, and support customers throughout the project lifecycle. Preference will be given to candidates located in or near the following markets: Nashua, NH; King of Prussia, PA; Columbus, OH; Charlotte, NC; Alpharetta, GA; Tampa, FL; Plymouth, MI; Twin Cities, MN; West Lafayette, IN; Houston, TX; Plano, TX; Denver, CO; St. Louis, MO; Boise, ID; Phoenix, AZ; Pullman, WA; Irvine, CA; and Vacaville, CA.
NewCivil Engineer PE ACS Professional StaffingCivil Engineer PEVancouver, WA$80,000–$105,000 / yearOur client, a well-established architecture and engineering firm, is seeking an experienced Civil Engineer with a PE license to collaborate closely with multidisciplinary teams, clients, contractors, public agencies, and vendors to deliver high-quality, constructible designs. The role supports a diverse portfolio of projects, including subdivision design, storm and sanitary drainage, water supply piping, grading and surface drainage, erosion control, and pavement and concrete systems.
NewSenior Structural Engineer - Discipline Lead ACS Professional StaffingSenior Structural Engineer - Discipline LeadWashougal, WA$124,000–$140,000 / yearThe ideal candidate will bring 10+ years of structural design experience, a Professional Engineer (PE) license, expertise in building systems and codes, and proven leadership, mentoring, and team development skills. ACS Professional Staffing seeks a Senior Structural Engineer - Discipline Lead for a client providing full-service engineering and architectural design solutions.
NewStructural Engineer PE ACS Professional StaffingStructural Engineer PEVancouver, WA$80,000–$100,000 / yearOur client, a well-established architecture and engineering firm, is seeking an experienced Structural Engineer with a PE license to collaborate closely with multidisciplinary teams, clients, contractors, and vendors to deliver high-quality, constructible designs. The role supports a diverse range of projects, including office buildings, schools, multifamily residences, hotels, restaurants, banks, and retail facilities.
Lead Drainage Engineer Johnson Service GroupLead Drainage EngineerBellevue, WAResponsibilities : Lead drainage engineering teams on transportation projects--including freeways, interstates, interchanges, urban and rural highways, and shared-use facilities. Perform hydrologic and hydraulic analyses to support the design and construction of transportation infrastructure, public and private site developments, and flood control projects.
NewSenior Electrical Engineer ACS Professional StaffingSenior Electrical EngineerBellevue, WA$110,000–$120,000 / yearOur client, a leading employee-owned engineering firm specializing in electrical power distribution, industrial control systems, and advanced technology solutions, is seeking a Senior Electrical Engineer to design and support complex industrial and commercial electrical systems. Perform power system modeling and analysis, including load flow studies, short-circuit analysis, protective device coordination, and arc flash calculations.
Sr. Software Development Engineer, Inference Team - AWS Neuron Annapurna Labs (U.S.) Inc.Sr. Software Development Engineer, Inference Team - AWS NeuronSeattle, WAThe engineer will lead the customization and optimization of open-source inference frameworks (vLLM, SGLang) on AWS Neuron—including core framework logic such as scheduling and model execution—applying state-of-the-art techniques in kernel development, parallel computation, distributed KV cache, speculative decoding, and systems engineering to deliver best-in-class LLM serving performance. The engineer will work closely with model development engineers, performance engineers, compiler engineers, and runtime engineers to ensure end-to-end model performance and deliver production-ready accuracy, scalability, and efficiency across a broad range of models and customer use cases.
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.
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.
Nuclear Safety Analysis Engineer System OneNuclear Safety Analysis EngineerBellevue, WARemote$46–$77 / hourFamiliarity with nuclear design, regulatory requirements, and risk-informed performance-based technology guidance for Non-Light Water Reactors, including EMDAP and Regulatory Guide 1.203, is preferred. Assess plant transient benchmark tests, identify applicable tests relevant to the advanced reactor, and perform benchmark calculations.
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.
NewPrimary Heat Transfer (PHT) Component Engineer System OnePrimary Heat Transfer (PHT) Component EngineerBellevue, WARemoteThis position will interface with engineering teams, project partners, and suppliers supporting the design and manufacture of primary and intermediate sodium pumps or intermediate shell-and-tube heat exchangers. The successful candidate will oversee supplier activities, coordinate multidisciplinary engineering efforts, and ensure component designs meet technical, quality, contractual, and scheduling requirements.
I&C Design Engineer System OneI&C Design EngineerBellevue, WARemote$69–$115 / hourRequirements: B.S. or higher in Controls, Electrical, or related discipline from an accredited university with 10+ years of direct experience in instrumentation and controls systems. Responsibilities: Act as an I&C Engineer for Sodium Fast Reactor technologies, responsible for system design, prototype development, testing, integration, and commissioning.
NewI&C Design Engineer Lead System OneI&C Design Engineer LeadBellevue, WARemote$69–$115 / hourCreate and manage detailed technical design documents and generate comprehensive design packages including P&IDs, control system architecture, and instrument installation drawings. Specify instrumentation measurement techniques for sodium fast reactors and energy storage technologies, analyzing measurement range, response time, and accuracy.
Nuclear I&C Design Engineer System OneNuclear I&C Design EngineerBellevue, WARemote$69–$115 / hourProvide technical direction and oversight of supplier projects, working with the contract administrator to ensure delivery of data and other deliverables to meet company requirements, as well as coordination and performance of technical reviews of deliverables. Specify and describe the suitability of instrumentation measurement techniques for use in sodium fast reactor and integrated energy storage technologies, including analysis of measurement range, response time, and measurement accuracy.