Castelion
Mechanical Engineering Intern (Summer 2027)
Allen, TX +1 · Internship · Posted Oct 27, 2026
- Location
- Allen, TX
716 South Greenville, Suite 160, Allen, TX 75002 - Education
- Currently pursuing a Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- Visa sponsorship
- Employment is contingent on the ability to access applicable export-controlled information without additional export licensing. If designated, the role may also require obtaining and maintaining a U.S. Government security clearance or other authorization and meeting applicable citizenship or eligibility requirements.
About the job
Contribute to the design, modeling, testing, and integration of components for missile subsystems, including hypersonic systems.
What you'll do
- Assist with design, analysis, testing, simulation, modeling, and prototyping of hardware components.
- Gather and analyze data, and support subsystem assembly and testing in real-world environments.
- Collaborate with engineering, manufacturing, and test teams; document designs, test results, and project progress.
What they ask for
- Currently pursuing a Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- Strong academic record and relevant coursework in mechanical design, propulsion, power systems, or related fields.
- Excellent problem-solving, analytical, and communication skills.
- Ability to work collaboratively in a fast-paced, team-oriented environment.
Nice to have
- Rising junior, senior, or graduate-level student.
- Experience with hardware design, testing, data acquisition, and analysis; or familiarity with missile systems, defense technology, or aerospace components.
Model-written summary · the original posting is authoritative