Mechanical Design Intern

Benefits

Parental leave

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Non-birth-parent leave

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Family-building benefits

• Fertility benefits: Not verified
• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

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Relocation assistance

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Childcare support

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Learning budget

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Verification

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Salary

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Market context

U.S. role benchmark (BLS OEWS)

$66,396 U.S. median for this role

Projected growth (BLS Employment Projections)

+3.5% - Average

Matched to SOC 27-1024 - Design aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Design From the posting source checked Jun 20, 2026

Seniority

Entry From the posting source checked Jun 20, 2026

Schedule

Shift type

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Weekend work

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Company

Company stage

Series B From the posting source checked Jun 20, 2026

Application

Cover letter

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Assessment

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Deadline

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Where they hire

State eligibility is not yet verified.

About this role

Mechanical Design Intern Paris, Île-de-France, France About Us Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces. Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected. About the Role We have well-scoped mechanical support for radio testing campaign - Casing, CNC factoring, validation tooling, documentation - more work than current bandwidth allows in our team. As a Mechanical Engineering Intern, you will contribute to the mechanical design and optimization of a new military device, focusing on ruggedness, miniaturization, radio frequency isolation and thermal management. Our team needs someone who is able to add immediate engineering capacity to a high-priority project: developing the first-generation casing of a military radio for rapid integration into future autonomous defense systems. While the workload is highly structured and well-bounded for mentorship, the ability to take full ownership of a physical deliverable is key. The duration of this internship is 6 months. Responsibilities - CAD Modeling: Develop precise CAD models for the external casing and internal component mounting to ensure optimal spatial integration (Shielding and thermal). - Simulation & Validation: Conduct structural and thermal Finite Element Analysis (FEA) to validate designs against

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