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Aalo Atomics

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Aalo Atomics

Supply Chain Manager

Austin, TX · On-site

$75 - $95/hr

About this position About Aalo Atomics Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power.

Aalo Atomics

Thermal Hydraulics Engineer

Idaho Falls, ID · On-site

$110K/yr

About Aalo Atomics Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to ...

Aalo Atomics

Senior Mechanical Design Engineer

Austin, TX · On-site

$130K/yr

About Aalo Atomics Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to ...

Aalo Atomics

CNC Programmer / Machinist

Austin, TX · On-site

$33/hr

About Aalo Atomics Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to ...

Aalo Atomics

TIG Welder

Austin, TX · On-site

$20.25 - $26.25/hr

About Aalo Atomics Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to ...

Aalo Atomics

Pipefitter

Austin, TX · On-site

$24.75 - $30.50/hr

About Aalo Atomics Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to ...

Aalo Atomics

Supply Chain Manager

Austin, TX · On-site

About Aalo Atomics Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to ...

Aalo Atomics

Senior Manufacturing Engineer

Austin, TX · On-site

$90 - $110/hr

About this position Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to ...

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Infographic showing various job openings at Aalo Atomics in the United States as of August 2026, with employment types broken down into 64% Full Time, 18% Part Time, and 18% Temporary. Highlights an 100% Physical job distribution.

Mechanical Engineer - Pipe Stress Analyst

Aalo Atomics

Austin, TX • On-site

Full-time

Medical, Dental, Vision, PTO

Re-posted 16 days ago

Job description

About Aalo Atomics
Aalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to make nuclear energy globally accessible, starting with the Aalo-1, a 10 MWe reactor leveraging cutting-edge safety, modularity, and efficiency. Based in Austin, TX, we're rapidly growing as we work to deploy the world's first fleet of advanced microreactors. Join us and help revolutionize energy for a sustainable future.
About the role
We are seeking a skilled Mechanical Engineer with experience in pipe stress analysis to support the design and qualification of high-integrity piping systems for our advanced reactor projects. The ideal candidate will be proficient in ASME B31 piping codes and have experience or a strong interest in ASME Section III Class 1/2/3/A/B piping design.
What you'll do
  • Perform pipe stress analysis using industry-standard software (e.g., CAESAR II, AutoPIPE) in compliance with ASME B31.1, or B31.3.
  • Support the design, analysis, and documentation of nuclear piping systems under ASME Section III Class 1, 2, 3, A, or B requirements.
  • Conduct pipe support evaluations, thermal expansion assessments, and seismic/operating load analyses.
  • Interface with cross-functional teams including structural, thermal, and system design engineers.
  • Prepare calculation packages, analysis reports, and design documentation for regulatory and quality reviews.
  • Assist in the development and implementation of piping design standards and design review processes.

Qualifications
Required
  • B.S. or M.S. in Mechanical Engineering or related field.
  • 5+ years of experience in pipe stress analysis and piping system design.
  • Proficiency with ASME B31 codes (B31.1/B31.3).
  • Working knowledge or experience with ASME Section III piping design preferred.
  • Familiarity with design documentation and QA processes in regulated industries (e.g., nuclear, oil & gas, aerospace).
  • Excellent written and verbal communication skills.
  • U.S. Citizenship or Permanent Residency is required.

Preferred
  • 10+ years of experience in pipe stress analysis and piping system design.
  • Experience with nuclear safety-related or safety-significant piping.
  • Knowledge of Code Case N-755 (for HDPE piping) and Code Case N-122.
  • Familiarity with P&IDs, pipe routing models, and piping isometrics.
  • Experience with SmartPlant, AutoCAD Plant 3D, or similar platforms.

Requirements
Must be based in the United States
Must be willing to work on-site at our headquarters in Austin, Texas or Idaho Falls, Idaho
What It Takes to Succeed at Aalo
We're building technology that will help reshape the future of energy. The pace is fast, the problems are difficult, and the expectations are high. Successful team members consistently demonstrate:
Extreme Ownership - You take responsibility for outcomes, not just tasks. You proactively identify problems, drive solutions, and follow through.
A Passion for Solving Hard Problems - You are energized by challenges that others avoid and enjoy finding practical solutions to complex technical issues.
A Sense of Urgency - You move quickly, make thoughtful decisions, and maintain momentum while balancing quality and execution.
What We Offer
Health, Dental, and Vision Insurance
Paid Time Off
Corporate Gym Membership
Candidates only. No recruiters or agencies, please.
Additional Information:
Aalo Atomics provides a collaborative and supportive work environment, opportunities for professional growth, intellectually challenging careers, and competitive compensation. Aalo Atomics is an equal opportunity employer and considers all employment decisions without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, veteran status, or any other characteristic protected by law.
Applicants must be U.S. Citizens or U.S. Persons in compliance with 10 CFR Part 810 and may not hold non-compliant foreign citizenships.
Direct applicants only. No recruiters or staffing agencies, please.

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