Top 74 Safety engineer Jobs in Washington State

Senior Safety Methods Engineer
System One —Bellevue, WA
- $37 - $74 an hour
- Contract
- 3 years
- Analysis skills
- In-person
- Health insurance
- Dental insurance
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Senior Safety Verification and Validation Engineer
System One —Bellevue, WA
- $72 - $90 an hour
- Contract
- 5 years
- Data analysis skills
- Analysis skills
- Health insurance
- Dental insurance
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Senior Safety Analysis Engineer, Nuclear
System One —Bellevue, WA
- $69 - $115 an hour
- Contract
- Bachelor of Science
- Analysis skills
- Bachelor's degree
- Health insurance
- Dental insurance
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Software Engineer, Safety Experience
Whatnot —Seattle, WA
- $170,000 - $230,000 a year
- Full-time
- Computer science
- Computer Science
- System design
- Paid parental leave
- Health insurance
Safety Engineer
Hexcel Corporation —Kent, WA
- $77,968 - $117,324 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Bachelor of Science
- Health savings account
- Disability insurance
Senior Safety Engineer
BNBuilders —Seattle, WA
- $120,000 - $145,000 a year
- Construction site
- Office
- In-person
- Paid parental leave
- Fuel card
Safety Engineer
Clark Construction Group —Lakewood, WA
- $82,000 - $105,000 a year
- Extended hours
- Construction site
- Mid-level
- Office
- Commuter assistance
- Disability insurance
Backend Software Engineer - Trust and Safety - Seattle
TikTok —Seattle, WA
- $153,900 - $300,960 a year
- Computer Science
- System design
- Mid-level
- Paid parental leave
- Paid holidays
Senior System Safety Engineer
Pacific Northwest National Laboratory —Richland, WA
- $148,000 - $233,900 a year
- Full-time
- Bachelor of Science
- Pass drug screening
- 3 years
- Health savings account
- Paid holidays
5d
Senior Software Engineer (Backend/Fullstack) - Trust and Safety
TikTok —Seattle, WA
- $207,480 - $368,220 a year
- Computer Science
- System design
- Mid-level
- Paid parental leave
- Paid holidays
Senior Backend Software Engineer - Trust and Safety - Seattle
TikTok —Seattle, WA
- $207,480 - $368,220 a year
- Computer Science
- System design
- Mid-level
- Paid parental leave
- Paid holidays
(General hire) Backend Software Engineer Graduate (Trust & Safety) - 2027 Start
TikTok —Seattle, WA
- $121,600 - $243,200 a year
- Computer science
- Management
- Computer Science
- Paid parental leave
- Paid holidays
Machine Learning Engineer — AI Safety & Assurance
TikTok USDS JV —Seattle, WA
- $177,688 - $341,734 a year
- Hybrid work
- Computer Science
- System design
- Master's degree
- Paid parental leave
- Paid holidays
5d
Software System Safety Engineer III
Blue Origin —Seattle, WA
- $121,023.00 - $169,432.20 a year
- Full-time
- Background check
- 5 years
- Bachelor of Science
- Paid parental leave
- Paid holidays
Nuclear Criticality Safety Engineer
Edgewater Technical Associates —Richland, WA
- Full-time
- Master's degree
- Bachelor's degree
- Doctor of Philosophy
- Disability insurance
- Health insurance
Quick Apply
Safety and Reliability Sr. Systems Engineer
Blue Origin —Seattle, WA
- $133,500.00 - $203,263.20 a year
- Full-time
- Background check
- Bachelor of Science
- Engineering
- Paid parental leave
- Paid holidays
Manufacturing Engineer 1 (Safety Focus)
Parker Hannifin Corporation —Kent, WA
- $70,890 - $117,300 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Research
- Paid parental leave
- Paid holidays
Senior Engineer, Consequence Safety Methods & Analysis
TerraPower LLC. —Bellevue, WA
- $131,828 - $171,206 a year
- 8 hour shift
- Engineering
- Analysis skills
- Doctor of Philosophy
- Paid holidays
- Disability insurance
Quick Apply
System Safety Engineer III - Lunar Permanence
Blue Origin —Seattle, WA
- $119,814.00 - $182,987.70 a year
- Full-time
- Background check
- 5 years
- Bachelor of Science
- Paid parental leave
- Paid holidays
Software Engineer (Backend/Fullstack) - Trust and Safety
TikTok —Seattle, WA
- $153,900 - $300,960 a year
- Computer Science
- System design
- Mid-level
- Paid parental leave
- Paid holidays

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safety engineer jobs near washington state

Senior Safety Methods Engineer

System One -
Bellevue, WA

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Job Details

Contract
$37 - $74 an hour

Benefits

Health insurance
Dental insurance
401(k)
Vision insurance
Life insurance

Qualifications

Thermal analysis
Technical documentation
Nuclear engineering design codes and standards
Automation software
Engineering process optimization
Thermal hydraulics
QA/QC
3D modeling
Mechanical knowledge
Python
Statistical analysis tools
Engineering quality assurance

Full Job Description

Job Title: Senior Safety Methods Engineer
Location: Bellevue, WA
Type: Contract, 12 months
Compensation: $37.00 - $74.00
Contractor Work Model: Onsite, remote available for exceptional non-local candidates.

Overview:
This role develops and qualifies system-level thermal-hydraulic analysis methods to support reactor safety and licensing work. 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. 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:

Support the design and licensing of the reactor by developing methods for Licensing Basis Events (LBE) analyses.
Contribute subject matter expertise to the Sodium Fast Reactor (SFR) Program and other related projects.
Develop system-level thermal hydraulic analysis methods, including modeling strategies, numerical approaches, and closure models.
Perform steady-state and transient system-level analyses to assess models, methods, and their fidelity requirements.
Support method qualification through numerical verification, applicability assessments, and performance characterization.
Formulate and integrate closure models and empirical correlations into existing analysis frameworks.
Identify modeling gaps and support method enhancements via sensitivity studies.
Develop automated workflows and tools for model setup, execution, post-processing, and reproducible applications.
Document modeling methodologies, assumptions, and numerical performance for licensing and design support.
Collaborate across disciplines to ensure thermal hydraulic methods are integrated with plant design and safety analysis workflows.
Apply and improve SQA and NQA 1 modeling practices, ensuring traceability, configuration control, and reproducibility.

Requirements:

Degree in Mechanical, Nuclear, Chemical Engineering, or similar fields.
3+ years of experience in system-level thermal hydraulic modeling and method development for nuclear or complex energy systems.
Experience with thermal hydraulic analysis tools such as RELAP5 3D, GOTHIC, SAS, or equivalent.
Proven experience in developing or improving analysis methods, including numerical schemes and stability/accuracy optimization.
Strong foundation in thermal fluids and reactor system behavior, especially in advanced reactor designs.
Experience performing sensitivity analyses and identifying model gaps.
Familiarity with scientific programming and workflow automation (Python, MATLAB).
Knowledge of NQA 1 quality assurance standards for modeling workflows, including methodology documentation and configuration control.
Strong analytical skills, clear technical communication, and ability to manage multiple development efforts.
High integrity and trustworthiness, with openness in communication and teamwork orientation.

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

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Refine Your Search

safety engineer jobs in washington state

Senior Safety Methods Engineer

Senior Safety Verification and Validation Engineer

Senior Safety Analysis Engineer, Nuclear

Software Engineer, Safety Experience

Safety Engineer

Senior Safety Engineer

Safety Engineer

Backend Software Engineer - Trust and Safety - Seattle

Senior System Safety Engineer

Senior Software Engineer (Backend/Fullstack) - Trust and Safety

Senior Backend Software Engineer - Trust and Safety - Seattle

(General hire) Backend Software Engineer Graduate (Trust & Safety) - 2027 Start

Machine Learning Engineer — AI Safety & Assurance

Software System Safety Engineer III

Nuclear Criticality Safety Engineer

Safety and Reliability Sr. Systems Engineer

Manufacturing Engineer 1 (Safety Focus)

Senior Engineer, Consequence Safety Methods & Analysis

System Safety Engineer III - Lunar Permanence

Software Engineer (Backend/Fullstack) - Trust and Safety

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