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System Design Engineer Jobs in Seattle, WA (NOW HIRING)

System One

Junior I & C Design Engineer

Bellevue, WA · On-site

Contract Schedule: 40 hours/week System One is seeking an experienced Instrumentation & Controls (I&C) Design Engineer to support the design and integration of advanced nuclear reactor systems. This ...

System One

Junior I & C Design Engineer

Bellevue, WA · On-site

Contract Schedule: 40 hours/week System One is seeking an experienced Instrumentation & Controls (I&C) Design Engineer to support the design and integration of advanced nuclear reactor systems. This ...

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All JobsSystem Design Engineer JobsSystem Design Engineer Jobs in Seattle, WA

System Design Engineer information

See Seattle, WA salary details

$56.4K

$135K

$197.6K

How much do system design engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for system design engineer in Seattle, WA is $135,034.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,900.00 and $156,000.00 per year, depending on experience, location, and employer.

What is a system design engineer?

A System Design Engineer is a professional responsible for creating and overseeing the architecture and integration of complex systems, often combining hardware, software, and network components. They work on the conceptualization, design, and implementation phases to ensure that all parts of a system function together effectively. Their duties typically include requirements analysis, system modeling, and collaborating with multidisciplinary teams to deliver reliable and scalable solutions. System Design Engineers are crucial in industries such as aerospace, automotive, electronics, and telecommunications. Their work ensures that products and systems meet technical specifications and user needs.

What are the key skills and qualifications needed to thrive as a system design engineer?

To thrive as a System Design Engineer, you need a solid background in systems engineering, electrical or mechanical engineering principles, and a relevant degree such as a BS or MS in engineering. Familiarity with CAD software, simulation tools like MATLAB/Simulink, and knowledge of industry standards or certifications (e.g., INCOSE) are typically required. Strong problem-solving abilities, effective communication, and teamwork are essential soft skills in this role. Mastering these skills ensures that complex systems are designed efficiently, meet client requirements, and integrate seamlessly within multidisciplinary teams.

What are some common challenges faced by system design engineers when integrating new technologies into existing systems?

System Design Engineers often encounter challenges when integrating new technologies, such as ensuring compatibility with legacy systems, managing unforeseen technical constraints, and balancing performance with cost. Effective communication with cross-functional teams is essential to align requirements and mitigate risks early in the design process. Adaptability and thorough testing are key to overcoming integration issues and delivering robust, scalable solutions.

What does a system design engineer do?

A system design engineer develops and plans complex systems by analyzing requirements, creating detailed designs, and integrating hardware and software components. They use tools like CAD and simulation software, and often collaborate with cross-functional teams to ensure system functionality, reliability, and efficiency. Strong problem-solving skills and knowledge of engineering principles are essential for this role.
What are popular job titles related to System Design Engineer jobs in Seattle, WA? For System Design Engineer jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching System Design Engineer jobs in Seattle, WA look for? The top searched job categories for System Design Engineer jobs in Seattle, WA are:
System Design Engineer jobs near you
Infographic showing various System Design Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $135,034 per year, or $64.9 per hour.

Fuel Handling System Design Engineer

System One

Bellevue, WA • Remote

$52 - $85/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Posted 17 days ago

Job description

Job Title: Fuel Handling System Design Engineer Location: Bellevue, WA Type: Contract Compensation: $52.00 - $85.00 Onsite work model, remote work model available for exceptionally qualified non-local candidates.

Responsibilities:

  • Design of nuclear fuel handling systems and fuel handling sub-systems from requirements through final design review.
  • Develop analyses such as thermal, seismic, structural, pipe stress, heat transfer, and others, integrating results into plant design delivery.
  • Provide design direction related to thermal and fluid design requirements.
  • Identify and ensure the effective application of correct design codes into the design of plant systems (e.g., ASME, ANS, ASTM, IEEE, NFPA).
  • Analyze and allocate regulatory criteria and standards to complex mechanical and process system design.
  • Support planning efforts and maintain schedule adherence for design activities and overall plant design delivery.
  • Interface with the design team to create and manage drawing packages, including P&IDs, 3D models, and system interface drawings.
  • Coordinate with design disciplines to develop plant design information and specify system performance criteria.
  • Provide technical direction and oversight of supplier projects, ensuring delivery of data and conducting technical reviews.
  • Establish and maintain system requirements and specifications, such as Engineering Design Specifications for major equipment.
  • Propose and initiate testing programs for plant system qualification and oversee test execution and evaluation.
  • Generate design packages, including calculations, reports, drawings, and specifications.
  • Develop and review technical design documents such as System Design Descriptions and Interface Control Documents.
  • Support licensing activities related to Safety Analysis Reports.
  • Participate in design reviews as plant system and subsystem designs are established and refined.

Requirements:

  • B.S. in Mechanical or related discipline from an accredited university.
  • 5+ years of direct experience with proven mechanical systems skills.
  • Demonstrated experience in designing complex mechanical systems, structures, and equipment, particularly nuclear fuel handling systems.
  • Experience performing 3D modeling and creating design drawings.
  • High temperature and multi-discipline integration experience highly desired.
  • Thermal/CFD experience highly desired.
  • Previous experience with nuclear reactors, nuclear fuel handling process systems, or similar high-performance system or equipment design required.
  • Excellent technical writing, communication, and presentation skills.
  • Attention to detail and a commitment to technical excellence.
  • Self-starter with the ability to coordinate and lead design teams with minimal direction.
  • Ability to manage projects with multiple objectives and resolve conflicts between objectives.
  • Experience working under quality standards such as ASME NQA-1 or ISO 9001.
  • Strong communication skills preferred.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

Ref: #161-Managed Staffing Charlotte