Mechanical Engineer - Pipe Stress Analyst

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

• Competitive salary based on technical level
• Health, Dental, and Vision Insurance
• Paid Time Off
• Corporate Gym Membership

Candidates only. No recruiters or agencies, please.

Additional Information

• 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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