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Open nowPosted 64 days ago

Summer 2027 Internship - Mechanical Engineering (HVAC)

General Matter130 open roles

Pay
$30 – $40 an hour
Where
Los Angeles, CA
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Your applicationOpen nowSummer 2027 Internship - Mechanical Engineering (HVAC)General Matter · Los Angeles, CA

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The clock on this job

Early applications get read.

13.4% of postings close within 7 days. Measured by our own scanner across the market. General Matter postings stay open a median of 33 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.6%3 days
  3. 13.4%7 days
  4. 21.6%14 days
  5. 36.2%30 days
  6. 59.0%60 days
This job: posted 64 days ago

General Matter median: 33 days open

The posting

About the company

General Matter enriches uranium.

We are designing, building, and operating the world’s lowest-cost enrichment services, here in the US.

In the process, we are restoring America’s ability to produce nuclear fuel to power AI, advanced manufacturing and critical industries our country relies on to remain competitive.

Fuel drives the cost of advanced reactor electricity production, and enrichment drives the cost of the fuel that advanced reactors consume. Reliable, low-cost enrichment is the catalyst for the nuclear Renaissance now under way.

Our mission is to make nuclear not only the cleanest and safest source of baseload power, but also the most affordable. We believe abundant nuclear energy will lead to a post-scarcity society.

We were incubated inside Founders Fund, like Anduril and Palantir before us, and are backed by over a dozen of the world's top venture capital firms.

Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production.

We are a mission-driven company with a culture of urgency, accountability, and transparency.

Help us build a high-energy society by making the cleanest, safest form of baseload energy the most affordable.

About This Role

We’re looking for a Mechanical Engineer (Intern) with a strong interest in HVAC and building mechanical systems to join our growing engineering team. You’ll work alongside experienced engineers to design, model, and analyze air‑conditioning, ventilation, and hydronic systems for a wide range of commercial and industrial projects. This is a great opportunity for a motivated student who’s passionate about energy efficiency, indoor environmental quality, and the integration of mechanical systems in the built environment.

Responsibilities

  • Assist in the design and analysis of HVAC systems using Revit, AutoCAD, and energy modeling tools.
  • Support load calculations, equipment sizing, airflow, psychrometrics, and hydronic design layouts under senior engineer guidance.
  • Learn to participate in system modeling and simulation using BIM workflows and performance tools such as IES.
  • Observe and help coordinate with architectural, nuclear experts, structural, and electrical teams to ensure design integration and constructability.
  • Help in preparing construction documents, specifications, and as-built documentation.
  • Contribute to design automation efforts using visual programming (Dynamo, Grasshopper) or coding (Python, C#).
  • Communicate technical concepts clearly and effectively to multidisciplinary teams.

Basic Qualifications

  • Currently pursuing a Bachelor’s degree in Mechanical Engineering or a related field (Junior or Senior standing preferred).
  • Completed coursework in HVAC design, heat transfer, thermodynamics, and fluid hydraulics/dynamics.
  • Basic familiarity with BIM modeling software, such as Revit and AutoCAD.
  • Interest in IES software or energy analysis.
  • Interest and/or experience in AI tools for design, visual programming (Dynamo, Grasshopper), coding (Python, C#), and/or open-source projects.
  • A collaborative mindset and a demonstrated interest in the built environment.
  • Ability to communicate thoughts and technical ideas in an accessible, collaborative manner

Bonus Qualifications

  • Exposure to mechanical equipment selection, building automation (BMS), or commissioning processes.
  • Familiarity with energy analysis or system simulation tools.
  • Introduction to piping stress analysis and 3D modeling software (e.g., AutoPipe, Bentley OpenPlant, or Pipe3D).

Additional Requirements

  • Ability to work extended hours and weekends as necessary.

Equal Opportunity Employer

General Matter is an Equal Opportunity Employer; employment with General Matter is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Compensation and Benefits

The hourly pay range for this internship is $30–$40 per hour, depending on the candidate’s current standing in school (i.e. sophomore, senior). Interns will receive a monthly housing stipend, and are eligible for overtime pay. Please note that the stated hourly range is an estimate and may be adjusted based on market conditions, business needs, or other factors.

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