ZipRecruiter

Log In

1

Day Thermal Engineer Jobs in Bothell, WA (NOW HIRING)

Helion Energy

Principal Capacitor Engineer

Everett, WA · On-site

$214K - $255K/yr

Lead failure analysis, lifetime modeling, thermal analysis, and root-cause investigations to ... Medical, Dental, and Vision plans for employees and their families * 31 Days of PTO (21 vacation ...

Sigma Design

Embedded Systems Test Engineer

Redmond, WA · On-site

$95K - $137K/yr

... 15-days of accrued PTO and 9 company paid holidays. In addition, Sigma Design has multiple options ... Instrument hardware with electrical and thermal sensors to capture and analyze performance data ...

Sigma Design

Embedded Systems Test Engineer

Redmond, WA · On-site

$95K - $137K/yr

... 15-days of accrued PTO and 9 company paid holidays. In addition, Sigma Design has multiple options ... Instrument hardware with electrical and thermal sensors to capture and analyze performance data ...

SEKISUI Aerospace

Manufacturing Engineer III

Renton, WA · On-site

$135K/yr

... 15 days per year accrued Vacation/Sick time. Accrued time is available to use immediately ... Familiar with composite autoclave or oven curing cycles, thermal profiles, recipes, thermal effects ...

INSPYR Solutions

Reliability Test Engineer

Redmond, WA · On-site

$70 - $75/hr

... thermal cycling, vibration, HALT/HASS, and life testing. On a day-to-day basis, you''ll operate ... Bachelor''s degree in Engineering, Physics, or a related technical field NICE TO HAVES * Experience ...

next page

Showing results 1-20

All JobsDay Thermal Engineer JobsDay Thermal Engineer Jobs in Bothell, WA

Day Thermal Engineer information

See Bothell, WA salary details

$48.6K

$116.8K

$187.2K

How much do day thermal engineer jobs pay per year?

As of Jul 18, 2026, the average yearly pay for day thermal engineer in Bothell, WA is $116,850.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,400.00 and $144,200.00 per year, depending on experience, location, and employer.

What are some typical challenges faced by a Day Thermal Engineer and how are they addressed within a team setting?

Day Thermal Engineers often encounter challenges related to managing thermal loads and ensuring system components remain within safe operating temperatures, especially in dynamic environments such as manufacturing plants or data centers. To address these issues, engineers collaborate closely with mechanical, electrical, and controls teams to analyze real-time data, troubleshoot anomalies, and implement rapid solutions. Regular team meetings and clear communication channels are essential, as they allow for swift sharing of insights and coordinated responses to any emerging problems, helping maintain optimal system performance and safety.

What are the key skills and qualifications needed to thrive as a Day Thermal Engineer, and why are they important?

To thrive as a Day Thermal Engineer, you need a solid background in mechanical or thermal engineering, heat transfer, and thermodynamics, typically supported by a relevant engineering degree. Familiarity with thermal simulation software (such as ANSYS or COMSOL), CAD tools, and possibly certifications like Professional Engineer (PE) can be highly beneficial. Strong problem-solving skills, attention to detail, and effective communication are important soft skills for collaborating with multidisciplinary teams and presenting technical findings. These skills and qualifications ensure accurate thermal analysis, effective system design, and reliable project outcomes in industries where temperature control and thermal management are critical.

What is the difference between Day Thermal Engineer vs Night Thermal Engineer?

AspectDay Thermal EngineerNight Thermal Engineer
CredentialsBachelor's degree in Mechanical or Thermal Engineering, relevant certificationsSame as Day Thermal Engineer
Work EnvironmentStandard daytime hours, office or lab settingNight shifts, similar environments
Industry UsageCommon in manufacturing, HVAC, automotive industriesLess common, used in 24/7 operations like data centers or manufacturing plants

The main difference between a Day Thermal Engineer and a Night Thermal Engineer lies in their work shifts. Both roles require similar qualifications and work in comparable environments, but they operate during different times of the day to support continuous operations or specific project needs.

What does a Day Thermal Engineer do?

A Day Thermal Engineer is responsible for managing and optimizing thermal systems and processes during daytime operations in various industries, such as manufacturing, energy, or technology. They analyze heat transfer, energy efficiency, and thermal performance to ensure systems run safely and effectively. Their tasks may include designing thermal management solutions, troubleshooting temperature-related issues, and collaborating with other engineers to improve product or process performance. Day Thermal Engineers often focus on maintaining comfortable and efficient working environments or optimizing equipment that operates primarily during the day.
What job categories do people searching Day Thermal Engineer jobs in Bothell, WA look for? The top searched job categories for Day Thermal Engineer jobs in Bothell, WA are:
Day Thermal Engineer jobs near you
Senior Engineer, Plant Thermal Hydraulic Methods

Senior Engineer, Plant Thermal Hydraulic Methods

Protingent

Bellevue, WA • On-site

$56 - $95/hr

Contractor

Medical, Retirement, PTO

Re-posted 8 days ago

Job description


Position Title: Senior Engineer, Plant Thermal Hydraulic Methods
Position Description: Protingent Staffing has an exciting contract Senior Engineer, Plant Thermal Hydraulic Methods opportunity.
Job Responsibilities:
  • Develop system-level thermal hydraulic analysis methods, including modeling strategies, numerical approaches, and closure models.
  • Perform steady-state and transient system-level analyses to characterize model behavior, assess method performance, and define method fidelity requirements.
  • Support method qualification, including numerical verification, applicability envelopes, and performance characterization.
  • Formulate and integrate closure models and empirical correlations (e.g., heat transfer, pressure drop, mixing, component-level physics) into existing analysis frameworks.
  • Identify modeling gaps and support method enhancement using and sensitivity studies.
  • Develop automated workflows and tools for model setup, execution, post processing, and repeatable method application.
  • Document modeling methodologies, assumptions, method applicability, and numerical performance for design processes and licensing support activities.
  • Work across disciplines to ensure thermal hydraulic methods integrate effectively with plant design, safety analysis, and coupled simulation workflows.
  • Apply and improve Company's SQA and NQA 1 modeling practices, ensuring traceability, configuration control, and reproducibility of methods.

Job Qualifications:
  • Degree in Mechanical, Nuclear, Chemical Engineering, or similar fields, with 6+ years of experience in system-level thermal hydraulic modeling and method development for nuclear or complex energy systems.
  • Demonstrated experience in developing or improving analysis methods, including numerical scheme development, closure model formulation, and stability/accuracy optimization strategies.
  • Experience performing system-level thermal hydraulic analyses using tools such as RELAP5 3D, GOTHIC, SAS, or equivalent, with the ability to extend or tailor modeling approaches within these frameworks.
  • Strong foundation in thermal fluids and reactor system behavior, including complex thermal hydraulic phenomena relevant to advanced reactor designs.
  • Experience in sensitivity analyses and model gap identification that support method development priorities.
  • Familiarity with scientific programming and workflow automation (e.g., Python, MATLAB).
  • Familiarity with NQA 1 quality assurance for modeling workflows, including documented methodologies, configuration control, and model traceability.
  • Strong analytical thinking, clear technical communication, and the ability to support multiple method development efforts in parallel.
  • Strong communication skills desired.
  • The service provider will possess a high degree of trust and integrity, communicate openly and display respect, and a desire to foster teamwork.
  • Travel Required: 0-5%.

Job Details:
  • Job Type: Contract
  • Pay Rate Range: $56-$95/hr (Pay rates are approved based on candidate location, education and experience)
  • Location: Bellevue, WA or 100% REMOTE
  • Export control regulations require candidates to be a U.S. Citizen, U.S. Legal Permanent Resident, or of a protected person status

Benefits Package: Protingent offers competitive salaries, insurance plan options (HDHP plan or POS plan), education/certification reimbursement, pre-tax commuter benefits, Paid Time Off (PTO), and an administered 401k plan.
#TerraPro
About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation - from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We're passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.
Meet Your Recruiter
Abby Hubbard
I joined Protingent in the Spring of 2021 as a sales intern, transitioning to a full-time Technical Recruiter after graduating from the University of Washington in June 2021. Initially, I focused on supporting our spaceflight clients, later expanding to industries such as sustainable energy and nuclear power. While I've broadened my recruiting scope, I'm still partial to aerospace engineering, especially anything related to propulsion technology.
My recruiting style focuses on individual candidate needs and relationship building. My philosophy is to lead with empathy and integrity. My favorite thing about recruiting is the opportunity to learn something new every day by talking to the most intelligent people/engineers, as well as the potential to impact critical industries at the staffing level.
When I'm not recruiting, I love spending time outdoors - hiking, camping, roller skating, reading in parks, and swimming in Lake Union (when the Seattle weather permits). I also enjoy thrift shops, sewing/up-cycling clothes, and shooting 35mm film.

Apply