Jobs in the United States

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Added 1 min ago
Sr. Full Stack Application Engineer
Hays
FL
Our client is seeking a Sr. Full Stack Application Engineer in Buena Vista, FL
Added 1 min ago
Data Solutions Engineer
Hays
FL
Our client is seeking a Data Solutions Engineer in Tampa, FL/Hybrid
Added 12 mins ago
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Manufacturing Engineer
GPAC
Wamego, KS
- $87,000 to $98,000 USD / year
We are seeking a motivated Manufacturing Engineer to join an established manufacturing organization. This individual will be responsible for designing, developing, testing, and continuously…
Added 12 mins ago
G
Manufacturing Engineer
GPAC
Leonardville, KS
- $87,000 to $98,000 USD / year
We are seeking a motivated Manufacturing Engineer to join an established manufacturing organization. This individual will be responsible for designing, developing, testing, and continuously…
Added 12 mins ago
G
Manufacturing Engineer
GPAC
Olsburg, KS
- $87,000 to $98,000 USD / year
We are seeking a motivated Manufacturing Engineer to join an established manufacturing organization. This individual will be responsible for designing, developing, testing, and continuously…
Added 13 mins ago
O
Firmware Engineer, Robotics
OpenAI
San Francisco, CA
- $380,000 to $445,000 USD / year
As a Firmware Engineer, you will define and drive the architecture of embedded systems for next-generation hardware products. You will own foundational firmware decisions across real-time…
Added 18 mins ago
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Magnetics Engineer, Medium-Frequency Transformers
Fluidstack
Austin, TX · Phoenix, AZ
- $210,000 to $270,000 USD / year
- You've traced a test or field failure to its root cause in the insulation, core, or winding.
Added 18 mins ago
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Test and Validation Engineer, High Voltage
Fluidstack
Austin, TX
- $210,000 to $270,000 USD / year
- Run qualification and reliability campaigns (thermal cycling, power cycling, humidity, accelerated life) that catch insulation and solder failures before the field does.
Added 19 mins ago
Service Manager Technical Development and Business
BASIS NORTH AMERICA INC
Houston, TX
Field Engineer, Service Manager, Commissioning Manager, Operations Manager, Service Coordinator, or similar technical leadership role within the rotating equipment industry.
Added 20 mins ago
Sr. Field Application Engineer
Bosch Group
Sunnyvale, CA
Candidates must live within commutable distance from the Bosch Sunnyvale, CA facility and be available to come into the office weekly (or as required)
Added 26 mins ago
Electrical Engineer
IPG
Marysville, MI
Position Description: Provide electrical engineering support for new and existing products. As the Electrical Engineer, the position handles the general electrical engineering tasks for the…
Added 28 mins ago
Associate Software Engineer, Fleet Support & Automation
Intramotev
St. Louis, MO
…- and most of those issues should not pull a core software engineer off their work. We are seeking an Associate Software Engineer, Fleet Support & Automation to be the first software…
Added 28 mins ago
Lead Engineer - Balance of Station (BOS) SME
Duke Energy Progress, LLC
Charlotte, NC
The Lead Engineer is at the specialist level of the Engineering classification hierarchy. Employees at this level solve complex problems, manage work, and provide leadership to others in…
Added 28 mins ago
MEP Superintendent
Turner Construction Company
New York, NY
Lead, direct, and coordinate the execution of all field activities for the Mechanical and Electrical systems on schedule, in a safe manner, within budget, and to the quality level specified…
Added 31 mins ago
Engineer I - IV
State of Delaware
Dover, DE
Applicants must have education, training and/or experience demonstrating competence in each of the following areas:
Added 39 mins ago
J
Senior Network Engineer
Jobgether
Remote, United States
- $97,500 to $162,500 USD / year
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Network Engineer based in the United States.
Added 40 mins ago
CP
Advanced Solutions 5G RF Engineer
Cellco Partnership
Basking Ridge, NJ · Irving, TX · Cary, NC · Temple Terrace, FL
- $74,000 to $142,000 USD / year
As the Senior 5G RF Engineer for the WCC Advanced Solutions Team, you will serve as the primary RF engineering resource responsible for designing private LTE/5G and in-building systems…
Added 43 mins ago
I
Staff Machine Learning Engineer III
Indeed
Saint Louis, MO
- $227,000 to $341,000 USD / year
As a Machine Learning Engineer III, you will be a team lead. Your role centers on leveraging AI/ML to ensure a seamless experience for job seekers. You will own one of the team's major…
Added 49 mins ago
Staff Machine Learning Engineer III
Indeed
Saint Louis, MO
As a Machine Learning Engineer III, you will be a team lead. Your role centers on leveraging AI/ML to ensure a seamless experience for job seekers. You will own one of the team's major…
Added 51 mins ago
BS
Engineering Leader - Optical Communications
Bright Silicon Technologies
Pleasanton, CA
- $175,000 to $275,000 USD / year
…through laboratory validation, environmental qualification, and field and airborne…
Added 54 mins ago
Associate, Electrical Engineer
L3Harris Technologies
Ashburn, VA
As an Associate Electrical Engineer, you will assist experienced engineers with assigned design, test, and integration tasks for circuit card assemblies (CCAs) containing analog, digital,…
Added 54 mins ago
Field Engineer - Network Deployment
The GOR Group
Abilene · Abilene, TX
The GOR Group is partnering with a leading technology solutions provider to identify an experienced Field Engineer - Network Deployment to support complex network infrastructure…
Added 58 mins ago
Industrial Engineer
Saber Power Services
Baton Rouge, LA
Together, Saber Power and inoLECT combine engineering expertise, manufacturing capabilities, field services, and technical support to deliver comprehensive electrical power solutions to…
Added 1 hour ago
AT
AI Cybersecurity Engineer
Agilent Technologies
Colorado Springs, CO
- $139,440 to $217,875 USD / year
Agilent is seeking an innovative and highly collaborative AI Cybersecurity Engineer to help enable the secure adoption of Artificial Intelligence (AI) technologies across the enterprise.…
Added 1 hour ago
Software Development Manager, Amazon Leo - Payload Dataplane Team
Amazon Kuiper Manufacturing Enterprises LLC
Sunnyvale, CA
- 5+ years of Software Engineer, Software Developer, or related occupational experience

Fluidstack

Magnetics Engineer, Medium-Frequency Transformers

Austin, TX, United States
Phoenix, AZ, United States

$210,000 to $270,000 USD / year

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Job details

Pay: $210,000 to $270,000 USD / year
Posting language: English
Posted: Nov 11, 2026

Original job description

ABOUT FLUIDSTACK

We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it.

We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI.

We hire people who care deeply about this problem space. If that is you, please apply!

HOW WE OPERATE

Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role.
Insane urgency. We drive everything forward as fast as possible.
Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins.
Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward.
Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world.

THE PRODUCT ENGINEERING TEAM

Product Engineering builds the power and cooling systems that let Fluidstack deliver gigawatt-scale AI data centers faster and denser than the grid-standard supply chain allows. The SST group is designing solid-state transformers as a core building block of that power architecture.

Examples of key problems the team is working on

Architect a medium-voltage solid-state transformer that can be manufactured, serviced, and scaled across gigawatt-scale campuses, not just demonstrated in a lab.
Define the interface between the SST and the MVDC distribution system, including protection, control boundaries, and fault behavior.
Build a semiconductor and magnetics supply strategy that survives a thin 10kV SiC market over a multi-year horizon.
Take converter hardware from topology selection through working prototypes on a schedule that data center construction actually depends on.

ROLE SCOPE

Design the medium-frequency transformer at the heart of every SST cell: hundreds of kilowatts at tens of kilohertz, insulated for tens of kilovolts DC to ground.
Choose core materials, winding structures, insulation, and liquid cooling that balance loss, size, and cost across thousands of units.
Prove each design on the bench with hi-pot, partial-discharge, impulse, and thermal-cycling tests, and set the acceptance tests every production unit must pass.
Review vendor transformer designs during co-development and sign off on their insulation margins before we commit to volume.
Turn the design into a part a supplier can wind, pot, and test at volume, and qualify a second source.

WHAT WE'RE LOOKING FOR

The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would. https://jobs.ashbyhq.com/fluidstack/05c2e69c-42f9-4fcb-9cf0-a467aaf98f1c

You've designed and built high-frequency transformers or inductors for power converters at tens to hundreds of kilowatts.
You've designed insulation for medium-voltage magnetics and run hi-pot, partial-discharge, and basic impulse tests yourself.
You've used FEA to predict losses, leakage inductance, and hot spots, then matched those predictions to measured data.
You've pulled heat out of a winding through its insulation system, by cold plate or liquid, without creating partial discharge.
You've taken a magnetic component from prototype to volume production with an outside supplier.
You've traced a test or field failure to its root cause in the insulation, core, or winding.
Bonus: Core materials (nanocrystalline, ferrite). Solid and cast insulation (epoxy, silicone potting). Magnetics FEA (ANSYS Maxwell, COMSOL). Integrated leakage design for resonant converters (LLC, DAB). Transformer and insulation standards (IEC 61558, UL 1446).

We are committed to pay equity and transparency.

Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.

Applicant Privacy Notice https://fluidstack.io/legal/applicant-privacy-notice AI Screening Notice https://fluidstack.io/legal/ai-screening-notice Ashby Bias Audit https://fluidstack.io/legal/ashby-bias-audit

You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email careers@fluidstack.io with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

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Jobs in the United States