June 23, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If 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 will play a key part in ensuring wiring harnesses and interconnection systems meet all functional, safety, and certification requirements while delivering high-quality engineering solutions to our customers. We are seeking a talented EWIS (Electrical Wiring Interconnection System) Engineers with 5+ years of drawing and design experience in Siemens Capital Harness (Capital).
p>TRL Real Estate’s Power Properties Division is building the intelligence layer that maps, scores, and activates latent energy land assets — turning brownfields, former power stations, and grid-adjacent parcels into the next generation of hyperscale compute and clean energy campuses. It is designed to ingest satellite imagery, utility interconnect queues, LMP pricing feeds, PJM/ERCOT/ISO/RTO market signals, and parcel ownership data to surface high-value acquisition targets that would take a human analyst months to identify.
They are responsible for supporting the operational, technical, ground and flight test success of the instrumentation group by producing instrumentation specifications, sensor selection, wire diagrams, installation diagrams (FTEO packages), sensors and system calibration, signal conditioning, derived parameters, cockpit displays, data validation, data tracking, data recording, documentation and conformity. Airborne Flight Test support will include instrumentation systems test equipment setup, inflight test monitoring and operational configuration changes to achieve flight test card requirements.
p>Working as part of a multidisciplinary engineering team, you'll collaborate with safety, instrumentation & controls (I&C), and system design engineers to model, analyze, and validate complex plant systems. System One is seeking a highly motivated Plant Integrated Analysis Engineer to support the development of advanced sodium-cooled nuclear reactor technology.
Qualifications include a Bachelor's Degree in Civil or Environmental Engineering, a Professional Engineer (PE) license, and substantial experience in collaborating with stakeholders, navigating regulatory landscapes, and engineering water infrastructure solutions. The ideal candidate will apply their comprehensive knowledge in civil and environmental engineering to innovate and lead projects, while ensuring compliance with pertinent regulations.
Seattle,, Washington30+ days ago
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. Successfully placed or hired candidates would only be asked for banking details after accepting an offer from us during our official onboarding processes as part of payroll setup.
p>More information about the overall organization can be found at www.heicocompanies.com. Historically talented at restoring distressed companies, Heico strategically targets acquisitions that will complement its ever-growing portfolio of companies in manufacturing, construction, and industrial services.
The Hearing Product Group is focused on researching and developing next-generation audio technologies for AR glasses and wearable devices — from acoustic capture and spatial audio to noise reduction and hearing enhancement. We are seeking an experienced Acoustic Research Engineer (CW) to join our team and contribute to the design, execution, and analysis of complex acoustic measurements that drive our audio research and product development.
This 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.
li class="MsoNoSpacing" style="margin:0in">Critical 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. Job Description:- The MLPT Polymer group supports a range of Machine Learning platform products including: Bolt, Hub, Lightning and many Data Platform systems.
Collaborate closely with cross-functional teams and vendors to ensure RF performance are met at component, board and system level. US Tech Solutions is a global staff augmentation firm providing a wide range of talent on-demand and total workforce solutions.
The successful candidate will possess experience with a wide variety of manufacturing processes, be comfortable driving a team of engineers to rapidly develop and scale Client manufacturing processes and have the ability to work with a team of researchers with tolerance for a high degree of ambiguity. Experience with mass production of systems requiring multiple manufacturing processes such as: miniature motorized mechanisms; soft goods cutting, laminating, and kitting; active optical alignment, casting, molding, machining, electronics packaging, coatings, additive manufacturing.
The successful candidate will be responsible for preparing, reviewing, and certifying Design Specifications (DS) and Design Reports (DR) in accordance with ASME Boiler & Pressure Vessel Code Section III, while supporting regulatory, compliance, and customer deliverables. System One is seeking an experienced Senior Mechanical Engineer to support the design and development of reactor structures and components for a next-generation Generation IV advanced nuclear reactor program.
li>Interface 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.
The 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.
li>Provide technical direction and interface to supplier projects, working with supply chain teams to ensure delivery of engineering designs and other deliverables, as well as coordination and performance of technical reviews of deliverables. Interface with and support licensing activities needed to obtain both the construction and operating licenses for the reactor systems including development of safety analysis reports, technical specifications, topical reports, and other licensing documents.
This 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.
You will work on developing and assessing benchmark models, ensuring compliance with NRC guidance (RG 1.203), and supporting safety methodology development for next-generation nuclear systems, including Sodium Fast Reactors (SFR). Qualifications & Skills:- Extensive experience with nuclear safety software verification, validation, and system transient analysis codes (RELAP5-3D, TRACE, MELCOR, SAS4A/SASSYS-1, SAM, or similar).
pre>Job 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. The Plant Radiological Integration Engineer will work as part of a high-performing team of engineers and scientists.Responsibilities- Coordinate between design teams working on plant source term and radiological release analysis, risk analysis, plant operations and SSC radiological shielding design teams.
This role will focus on the design, analysis, and certification of safety-related reactor components and pressure-retaining systems in accordance with ASME Section III requirements. This is an excellent opportunity to contribute to next-generation nuclear technology while working with a highly collaborative engineering team focused on innovation, safety, and technical excellence.
System One, and its subsidiaries including Joulé, ALTA IT Services, 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.
Other engineering activities include, but are not limited to, performing accident analyses, contributing to software qualification, participating in hazard analysis, participating in Structures, Systems and Components (SSC) classification, as well as performing verification and validation activities. Familiarity with nuclear design, regulatory requirements, and risk-informed performance-based technology guidance for Non-Light Water Reactors under Regulatory Guide (RG) 1.233 is strongly preferred.