Jobs in the United States

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Added 1 min ago
Cyber Systems Engineer, TS/SCI w/Poly
Peraton
Annapolis Junction, MD
…space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t…
Added 1 min ago
SO
Staff Engineer - Site Civil
System One
Parsippany, NJ
- $55,000 to $80,000 USD / year
We are seeking a motivated Staff Engineer (Site/Civil) with at least 2 years of related field experience to support a variety of site/civil, geotechnical, and environmental engineering…
Added 1 min ago
Sr Software Engineer
Cengage Group
Newark, NJ
Partner with colleagues in Portfolio to modernize key editorial support systems
Added 1 min ago
Cyber Systems Engineer, TS/SCI w/Poly
Peraton
Annapolis Junction, MD
We are seeking a Systems Engineer to support the analysis, design, integration, and implementation of complex systems. The Systems Engineer will work closely with users, government…
Added 1 min ago
Senior Project Manager - Water
Default Brand
Remote, United States
Partner with technical leads to evaluate the assumptions, methods, limitations, and findings of hydrologic and hydraulic analyses, planning studies, regulatory strategies, design concepts,…
Added 1 min ago
Sr. Digital Tools Engineer, Supply Chain
Anduril Industries
Costa Mesa, CA
The Supply Chain Sr. Digital Tools Engineer role will act as a Business Systems and Optimization partner for Anduril's Supply Chain team and will own parts of the end-to-end Supply Chain…
Added 1 min ago
Electrical Sustainment Engineer
Anduril Industries
Broomfield, CO · Fort Collins, CO
…allies. The Radar team is seeking an Electrical Sustainment Engineer to help us manage Radar product sustainment. The Radar team is responsible for all aspects of radar system development,…
Added 2 mins ago
Senior DevOps and Application Engineer
Sunrise Senior Living Mgmt Inc
McLean, VA
Sunrise Senior Living seeks a hands-on engineer to build applications, APIs, automation, and scalable AWS cloud infrastructure. Combine software development and DevOps to deliver reliable,…
Added 2 mins ago
VT
Partnerships Manager
Valon Tech
New York, NY · San Francisco, CA
- $175,000 to $225,000 USD / year
- Partner with our Strategic AE, Sales Engineer, and executives from early discovery through close and into implementation, owning the relationship strategy for each strategic account.
Added 3 mins ago
Senior Network Engineer
LEIDOS, INC.
Laurel, MD
Provide Technical Leadership & Mission Integration - Partner with systems engineers, cybersecurity professionals, external Network Operations Centers (NOCs), telecommunications providers,…
Added 3 mins ago
Endpoint Systems Engineer
ECS FEDERAL LLC
Fairfax, VA
Everforth ECS is seeking an Endpoint Systems Engineer to support the internal Corporate IT team. The ideal candidate has experience managing endpoints at scale and is comfortable using…
Added 4 mins ago
Junior Reverse Engineering/Vulnerability Research Engineer
Clarity Innovations
Columbus, OH
Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation’s interests and delivering innovative solutions that empower the Intelligence Community (IC)…
Added 4 mins ago
Media Director
The Shipyard
San Diego, CA
…communications, media and digital landscape. Uniquely designed to Engineer Brand Love through a unifying approach of paid, owned and earned channels, we work together to grow brands that…
Added 5 mins ago
Software Development Engineer II , Digital Ordering Services
Amazon.com Services LLC
Bellevue, WA
As a Software Development Engineer (SDE) on this team, you will design and launch AI-native features that digital product lines can adopt out of the box, without custom integration work.…
Added 5 mins ago
Software Development Engineer II, Digital Acceleration
Amazon.com Services LLC
Bellevue, WA
As a Software Development Engineer on this team, you will design and launch AI-native features that digital product lines can adopt out of the box, without custom integration work. You will…
Added 5 mins ago
Sr. Mechanical Design Engineer, Data Center Design Engineering
Amazon Data Services, Inc.
Austin, TX · Seattle, WA · Herndon, VA · Columbus, OH
…other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers…
Added 5 mins ago
Sr. Mechanical Design Engineer, Data Center Design Engineering
Amazon Data Services, Inc.
Austin, TX · Seattle, WA · Herndon, VA · Columbus, OH
…other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers…
Added 5 mins ago
Sr. Mechanical Design Engineer, Data Center Design Engineering
Amazon Data Services, Inc.
Austin, TX · Seattle, WA · Herndon, VA · Columbus, OH
…other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers…
Added 5 mins ago
Software Development Engineer, Infrastructure Security
Amazon Data Services, Inc.
Minneapolis, MN
…other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers…
Added 5 mins ago
Software Development Engineer II - AWS Networking Applications, SIDR
Amazon Data Services, Inc.
Santa Clara, CA
…we're growing the team to match. We're looking for a software engineer who wants to go deep on large-scale distributed systems, hyperscale data center networks, SDN, and global software…
Added 5 mins ago
IG
Senior iOS Platform Engineer
Insight Global
Remote, United States
- From $59 USD / hour
We are seeking a Senior iOS Platform Engineer to join the Mobile Platform organization. This team builds the foundational frameworks, tooling, and infrastructure that power mobile…
Added 5 mins ago
Engineer III - Asset Management
Duquesne Light Company
Pittsburgh, PA
As an Engineer III within Asset Management’s Lines Maintenance Program Planning group, you will work on a team made up of engineers and subject matter experts primarily responsible for…
Added 5 mins ago
Staff Manufacturing Mechanical Engineer
Auris Health Inc. Legal Entity
San Jose, CA
Johnson & Johnson's MedTech Surgery team at MONARCH is recruiting for a Staff Manufacturing Mechanical Engineer within our Robotics & Digital Solutions (RAD) organization. This role will…
Added 6 mins ago
Principal Site Reliability Engineer
HITACHI ENERGY USA INC
Raleigh, NC · Atlanta, GA · Houston, TX · Broomfield, CO
Hitachi Energy is seeking a Principal Site Reliability Engineer to ensure the secure, reliable, and efficient operation of cloud‑hosted environments that support ESS software products and…
Added 9 mins ago
Specialist, Software Engineer (Cloud Developer)
L3Harris Technologies
Patrick Air Force Base, FL
We are seeking a highly skilled and motivated Specialist, Software Engineer/Cloud Developer to join our team. The ideal candidate will hold an active TS/SCI clearance and work onsite at…

Actalent

Thermal Systems Engineer

Woodinville, WA, United States

$85 USD / hour

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Job details

Pay: $85 USD / hour
Posting language: English
Posted: Nov 2, 2026

Original job description

[Job Description]A clean energy thermal R&D company located in Woodinville, WA is currently hiring for a Thermal Systems Engineer. The Thermal Systems Engineer investigates complex thermal-fluid phenomena, develops advanced analytical and numerical models, and translates these insights into clear engineering decisions that drive system performance. This role focuses on modeling system-level behavior, validating coupled physics using tools such as COMSOL, and partnering closely with design and test engineers to accelerate product development and deployment. The engineer also designs and executes experiments, supports customer-specific system designs, and contributes directly to field deployments in both laboratory and outdoor environments.[Details]Position - Thermal Systems EngineerPay - $85/hr. ($176,800/yr.)Location - Woodinville, WA (100% On-Site)12-Month Contract-To-Hire[Summary of Key Responsibilities]

Own deep technical problems: Investigate difficult or poorly characterized physical phenomena that materially affect system performance.
Develop the governing physical understanding, analytical and/or numerical models, and experiments needed to turn uncertainty into engineering decisions.
Model system-level behavior: Develop and extend analytical methods and numerical models to evaluate system architecture, operating strategies, and long-duration transient behavior.
Model and validate coupled physics: Develop, extend, and validate COMSOL or other numerical models for coupled thermal-fluid systems.
Compare predictions against laboratory and field data and translate results into design decisions.
Accelerate the engineering team: Partner closely with design and test engineers to resolve difficult technical questions through analysis and modeling, translating complex physics into faster engineering progress.
Design and run experiments: Design, build, run, and interpret data from experiments to validate critical numerical or analytical results.
Support customer designs and field deployments: Develop numerical and analytical models for customer designs, using location-specific solar profiles along with customer-specific energy usage profiles to model multi-year transient thermal performance.

[Qualification Requirements]

M.S. or PhD in mechanical engineering, applied physics, chemical engineering, or another relevant physical sciences field, or equivalent experience.
Exceptional command of thermal and fluid dynamics, including heat transfer, fluid flow, and coupled heat/mass transport.
Strong numerical modeling capability: Experience with COMSOL or similar finite element method simulations, with preferred experience in transient thermodynamics calculations and CFD models.
Experience applying numerical and analytical methods to practical, fast-paced product development and deployment decisions. Experience with deployment in large industrial environments is a plus.
Strong mechanical intuition and evidence that you enjoy connecting analysis to physical hardware.
Low ego, high ownership. Comfortable rapidly changing paths when evidence and test results indicate.
Comfortable working hands-on in both lab and outdoor field environments, and getting dirty when the job requires.

[Employee Value Proposition]

An exceptional opportunity to join a fast-growing, innovative company that supports thermal battery and clean energy storage.
You will be a load-bearing member of a small, fast-moving team, with significant responsibility for the systems that the company deploys. Systems you develop will ultimately be deployed at enormous scale, presenting a unique opportunity for individual contributions to have outsized impact.

Job Type & LocationThis is a Contract to Hire position based out of Woodinville, WA. Pay and BenefitsThe pay range for this position is $85.00 - $85.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits

available for this temporary role may include the following:

Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave) Job Type & LocationThis is a Contract to Hire position based out of Woodinville, WA. Application DeadlineThis position is anticipated to close on Nov 16, 2026. Workplace TypeThis is a fully onsite position in Woodinville,WA.About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance:

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.