ZipRecruiter

Log In

1

Weekend Nuclear Engineer Jobs in Seattle, WA (NOW HIRING)

System One Holdings, LLC

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

System One

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

System One

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

System One

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

System One

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

System One

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

System One

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

System One

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

System One

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

System One

Test Engineer

Bellevue, WA · On-site

$52 - $85/hr

Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research activities for advanced nuclear energy technology. This position is responsible for ...

previous page

Showing results 41-60

All JobsNuclear Engineer JobsWeekend Nuclear Engineer JobsWeekend Nuclear Engineer Jobs in Seattle, WA

Weekend Nuclear Engineer information

See Seattle, WA salary details

$29.6K

$120.2K

$170.7K

How much do weekend nuclear engineer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for weekend nuclear engineer in Seattle, WA is $120,169.00, according to ZipRecruiter salary data. Most workers in this role earn between $112,100.00 and $134,300.00 per year, depending on experience, location, and employer.

What is a weekend nuclear engineer?

Weekend Nuclear Engineers are professionals who work in nuclear facilities specifically during weekends. Their responsibilities often include monitoring reactor operations, performing maintenance checks, troubleshooting technical issues, and ensuring the safety and compliance of nuclear systems. These positions are vital for continuous plant operations, as nuclear facilities typically run 24/7 and require skilled personnel at all times. Weekend shifts may appeal to engineers seeking flexible schedules or additional income. Candidates usually need a degree in nuclear engineering or a related field and must adhere to strict safety and regulatory protocols.

What are the typical responsibilities and challenges faced by a weekend nuclear engineer?

As a Weekend Nuclear Engineer, your primary responsibilities often include monitoring reactor operations, performing routine inspections, and troubleshooting technical issues that arise during weekend shifts. One common challenge is managing unexpected equipment malfunctions with limited on-site support, as weekend staffing is usually leaner than on weekdays. Collaboration with remote teams and clear documentation are essential, as you’ll need to ensure a seamless handoff to weekday staff. This role provides valuable hands-on experience with critical systems, which can open doors to advancement in operations, maintenance, or safety engineering roles.

What are the key skills and qualifications needed to thrive as a weekend nuclear engineer, and why are they important?

To thrive as a Weekend Nuclear Engineer, you need a solid understanding of nuclear engineering principles, safety protocols, and a relevant engineering degree or equivalent qualification. Familiarity with reactor control systems, radiation monitoring equipment, and industry-standard software like MCNP or RELAP5 is often required, along with certifications such as a Professional Engineer (PE) license or NRC operator certification. Strong problem-solving skills, attention to detail, and the ability to communicate clearly under pressure are crucial soft skills for this role. These competencies ensure safe and efficient plant operation, regulatory compliance, and rapid response to any weekend-specific challenges or emergencies.

What is the difference between Weekend Nuclear Engineer vs Part-Time Nuclear Technician?

AspectWeekend Nuclear EngineerPart-Time Nuclear Technician
CredentialsEngineering degree, state licensure, certifications like NRCTechnical certifications, associate degree or technical training
Work EnvironmentPower plants, research facilities, industrial sitesPower plants, maintenance facilities, testing labs
Employer & IndustryUtilities, government agencies, private energy firmsUtilities, nuclear service companies, research institutions

Weekend Nuclear Engineers typically hold engineering degrees and licenses, working in operational or safety roles during weekends. Part-Time Nuclear Technicians usually have technical certifications and assist with maintenance, testing, or monitoring tasks. Both roles are part-time but differ in qualifications and responsibilities, with engineers focusing on planning and analysis, while technicians handle hands-on technical work.

Do weekend nuclear engineers get weekends off?

Weekend nuclear engineers typically work rotating shifts that may include weekends, as nuclear power plants operate 24/7. They often work on a schedule that requires working some weekends and days off during the week, depending on the facility's staffing and operational needs. Flexibility and adherence to safety protocols are essential in this role.

Is there a demand for weekend nuclear engineers?

Weekend nuclear engineers are in demand in facilities that operate 24/7, such as power plants and research reactors, where shift work including weekends is common. These roles often require specialized certifications and the ability to work flexible schedules to ensure continuous safety and operation.

What are the most commonly searched types of Nuclear Engineer jobs in Seattle, WA?

The most popular types of Nuclear Engineer jobs in Seattle, WA are:

Weekend Nuclear Engineer jobs near you

System Transients Analysis Engineer

System One

Bellevue, WA • On-site

Contractor

Re-posted 22 days ago

Job description

Job Title: System Transients Analysis Engineer Location: Bellevue, WA Job Type: Contract Work Model: Hybrid/Onsite Preferred

Overview

System One is seeking a highly capable and motivated System Transients Analysis Engineer to support an advanced sodium-cooled reactor program. This role will focus on thermal hydraulic and transient analysis activities supporting advanced reactor system design, plant operations analysis, and control system integration.

The ideal candidate will have strong experience with system analysis codes such as RELAP5 or TRACE, along with a strong foundation in thermal hydraulics, heat transfer, fluid dynamics, and nuclear plant transient analysis.

Responsibilities

  • Develop RELAP5-3D models for steady-state and transient one-dimensional hydraulic network analyses
  • Perform reactor and plant transient analyses for normal operations, upset conditions, emergency events, and faulted scenarios
  • Develop plant-level control strategies and component-level controllers
  • Perform calculations using first principles of heat transfer, thermodynamics, and fluid dynamics to validate analytical results
  • Support evaluation of plant-wide transients, operational narratives, and design solutions
  • Perform multiscale and multidisciplinary thermal hydraulic analyses involving sodium, molten salt, and non-condensable fluids
  • Collaborate closely with safety, I&C, design engineering, and testing teams
  • Support development of new analytical methods and advanced modeling techniques
  • Prepare technical reports, calculations, and engineering documentation

Required Qualifications

  • Bachelor’s degree or higher in Nuclear Engineering, Mechanical Engineering, Electrical Engineering, or related discipline
  • Strong experience with thermal hydraulic system codes such as RELAP5 and/or TRACE
  • Strong analytical background in:
    • Thermal hydraulics
    • Fluid dynamics
    • Heat transfer
    • Transient analysis
    • One-dimensional hydraulic network modeling
  • Strong technical writing and communication skills
  • Ability to work effectively in a collaborative, fast-paced engineering environment
  • High level of professionalism, integrity, and teamwork

Preferred Qualifications

  • Experience with ASME component design and analysis
  • Experience modeling control systems and Instrumentation & Controls (I&C)
  • Experience supporting nuclear power plant design or operations
  • Experience developing new analytical methods
  • Advanced reactor or sodium-cooled reactor experience

Physical & Work Environment Requirements

  • Ability to sit and/or stand for extended periods
  • Minimal lifting requirements up to 25 pounds
  • Prolonged computer and keyboard work
  • Standard office or engineering work environment
  • Occasional travel up to 5%

Additional Information

This position may require compliance with U.S. export control regulations. Applicants may be asked to provide information regarding citizenship or work authorization status as part of the hiring process.

Ref: #161-Managed Staffing Charlotte

System One logo

About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

View All System One Jobs