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Internship Thermal Engineer Jobs in Decatur, GA (NOW HIRING)

Hermeus

Mechanical Engineer

Atlanta, GA

Perform first-principles structural and thermal analyses using hand calculations and FEA to inform ... and experimental testing (internships and significant student project experience qualify ...

Hermeus

Mechanical Engineer

Atlanta, GA · On-site

$90K - $140K/yr

Perform first-principles structural and thermal analyses using hand calculations and FEA to inform ... and experimental testing (internships and significant student project experience qualify ...

Hermeus

Mechanical Engineer

Atlanta, GA

$90K - $140K/yr

Perform first-principles structural and thermal analyses using hand calculations and FEA to inform ... and experimental testing (internships and significant student project experience qualify ...

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Internship Thermal Engineer information

See Decatur, GA salary details

$13

$24

$37

How much do internship thermal engineer jobs pay per hour?

As of May 30, 2026, the average hourly pay for internship thermal engineer in Decatur, GA is $24.82, according to ZipRecruiter salary data. Most workers in this role earn between $20.19 and $28.17 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Internship Thermal Engineer, and why are they important?

To thrive as an Internship Thermal Engineer, you typically need foundational knowledge in thermodynamics, heat transfer, and fluid mechanics, usually gained through a degree in mechanical or a related engineering field. Familiarity with simulation software such as ANSYS, MATLAB, or SolidWorks, and an understanding of CAD tools are commonly required, while relevant coursework or certifications can be beneficial. Strong analytical thinking, problem-solving abilities, and effective communication skills help interns collaborate and present findings clearly. These abilities ensure accurate analysis, efficient teamwork, and valuable contributions to thermal engineering projects.

What types of projects and responsibilities can I expect as an Internship Thermal Engineer?

As an Internship Thermal Engineer, you will typically assist in designing, analyzing, and testing thermal systems or components under the supervision of senior engineers. Your daily tasks may include running simulations, collecting and interpreting temperature data, preparing reports, and collaborating with cross-functional teams such as mechanical design or manufacturing. Interns often get exposure to real-world problem-solving and are encouraged to contribute ideas during team meetings. This hands-on experience not only builds technical skills but also provides insight into the workflow and challenges faced in thermal engineering roles.

What does an Internship Thermal Engineer do?

An Internship Thermal Engineer assists senior engineers in designing, analyzing, and testing thermal systems and components. Their tasks often include running simulations, conducting experiments, collecting data, and helping to improve cooling or heating solutions for various products. Interns typically work in industries such as aerospace, automotive, electronics, or energy, gaining hands-on experience with thermal management techniques and tools. This role is ideal for engineering students who want to apply their theoretical knowledge to real-world challenges while developing technical and teamwork skills.

What is the difference between Internship Thermal Engineer vs Thermal Engineer?

AspectInternship Thermal EngineerThermal Engineer
CredentialsEnrolled in or recent graduate of engineering programBachelor's or higher in Mechanical or Thermal Engineering
Work EnvironmentInternship setting, entry-level projectsFull-time professional role, project leadership
ResponsibilitiesAssisting with thermal analysis, learning proceduresDesigning thermal systems, conducting analyses, troubleshooting
Industry UsageInternship programs, training rolesDesign firms, manufacturing, aerospace, automotive

The main difference between an Internship Thermal Engineer and a Thermal Engineer is experience level and responsibilities. Internships are designed for students or recent graduates gaining practical experience, while Thermal Engineers are full-time professionals responsible for thermal system design and analysis. Internships serve as a stepping stone toward becoming a full Thermal Engineer.

What cities near Decatur, GA are hiring for Internship Thermal Engineer jobs? Cities near Decatur, GA with the most Internship Thermal Engineer job openings:
Internship Thermal Engineer jobs near you
Infographic showing various Internship Thermal Engineer job openings in Decatur, GA as of May 2026, with employment types broken down into 54% Full Time, 37% Part Time, 3% Temporary, 3% Contract, and 3% Nights. Highlights an 100% Physical job distribution, with an average salary of $51,616 per year, or $24.8 per hour.
Mechanical Engineer

Mechanical Engineer

Hermeus

Atlanta, GA

Full-time

Posted 9 days ago

Job description

Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.

We are seeking a Mid-Career Mechanical Engineer to support the design, build, and test of next-generation aircraft aerostructures, including fuselage, empennage, control surfaces, and landing gear systems. This role is hands-on and execution-oriented, with responsibility for taking hardware from concept through detailed design, fabrication support, and test validation.
Responsibilities
  • Own R&D-focused structural design and development supporting vehicle subsystems such as hydraulics, fuel systems, propulsion, and avionics, with an emphasis on rapid prototyping and iteration 
  • Perform first-principles structural and thermal analyses using hand calculations and FEA to inform early design decisions and experimental validation 
  • Execute trade studies across mechanical, fluid, and avionics subsystems focused on performance, mass efficiency, and technical risk reduction 
  • Design, build, and test prototype hardware, owning development from concept through fabrication, integration, and experimental validation 
  • Collaborate closely with manufacturing and test teams to transition prototype concepts toward scalable, production-aware designs 
  • Support hands-on integration, troubleshooting, and test campaigns to quickly iterate and mature hardware 
  • Present technical findings in internal design reviews and contribute to cross-functional and supplier/customer technical discussions 
Basic Qualifications
  • Bachelor’s degree in mechanical engineering, aerospace engineering, or physics 
  • 2+ years of experience in mechanical design, analysis, and experimental testing (internships and significant student project experience qualify), preferably in an R&D or prototype environment 
Preferred Skills
  • Strong hands-on experience with rapid prototyping, hardware build, and mechanical assembly of complex systems 
  • Solid foundation in engineering fundamentals including statics, dynamics, heat transfer, fluid mechanics, and vibration 
  • Proficiency in CAD (NX preferred), FEA (Ansys preferred), and PLM tools (Teamcenter preferred) 
  • Experience designing and testing hardware in early development environments, with awareness of design-for-manufacturing and production considerations 
  • Familiarity with mechanical testing under vibration, fatigue, shock, vacuum, and thermal loads 
  • Demonstrated ability to collaborate across disciplines (fluids, avionics, manufacturing) to deliver integrated experimental systems 
  • Proven ownership of technically complex projects from concept through test and iteration 
Additional Requirements
  • Willingness to work extended hours and weekends as needed to support critical development milestones 
  • Willingness to travel up to 25% of the time 
U.S. EXPORT CONTROL COMPLIANCE STATUS 
The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending. 
 
EQUAL OPPORTUNITY
Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to 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.
 

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.