Thermal Engineer Intern

Horizon Lane

El Segundo, CAFresher12m agovia LinkedIn

This job at a glance

Who can apply
New grads and up to 1 year
Must know
CAD
Work
On-site in El Segundo · internship
Pay
Not stated by the employer.
Skill demand
CAD36%of 99 similar entry-level jobs posted in the US this week
Listed
Nov 12, 2026 · still open

Sign in free to see which of these skills your resume already shows.

About the Role

Horizon Lane is seeking a Thermal Engineer Intern to join their Engineering Research & Development Department for Summer 2027. This internship focuses on engineering design and is based 100% onsite at the company’s HQ in El Segundo, CA. The compensation for this role is $34–40 per hour.

Key Responsibilities

  • Develop and execute thermal analysis and CFD to evaluate design and performance of Kaleidos systems.
  • Document analysis results to communicate clear and actionable outputs.
  • Expand CFD capabilities, accuracy, and efficiencies via methods and workflow development projects.
  • Own pipeline for producing analysis geometry from mechanical design CAD.
  • Develop methods and calculations to support and build confidence in lower-fidelity thermal analysis methods.

Requirements & Tech Stack

  • Chemical Engineering, Mechanical Engineering, Aerospace Engineering, or related discipline.
  • A high level of independence in solving challenging engineering tasks is preferred.
  • Ability to seek out resources and proactively ask questions to finish projects through completion effectively, accurately, and timely.
  • Ability to work in a fast-paced startup environment with a proactive and collaborative attitude.
  • Genuinely excited for the company's mission to rapidly deploy nuclear microreactors to remote locations requiring abundant, clean energy.
  • Knowledge of reactor physics will provide useful context but is not necessary.
  • Prior internship experience helpful but not required.

Internships in the US · last 7 days

60 openings · 56 need no experience

Most hiring: TikTok, Walmart, SitusAMC

See all 60 →

FirstHire never charges to apply, and real employers don't ask for money for tests, interviews or offer letters. How we list jobs · Report this job