Senior Mechanical Engineer

MEET ARAGO AND THE ARAGONIANS Arago is an AI and computer hardware company whose mission is to drive the course of history forward. We do so by accelerating breakthroughs at the intersection of AI and semiconductors. Founded in 2024 by AI researchers and physicists with deep expertise in photonics, electronics, software, mathematics, and machine learning, Arago brings together a lean team of engineers and scientists from the world’s top companies and research labs. Composed of nine nationalities and operating from hubs in France, North America, and Israel, we believe in great science and fast achievements. Our work is guided by these core principles: 1. Do great things: we deliver work we’re proud to sign our name to. 2. High velocity: speed matters. We move quickly, one step at a time. 3. One unit: we’re all in this together, with relationships grounded in trust, respect, and camaraderie. Arago is backed by executives from Apple, Arm, Nvidia, Microsoft, and Hugging Face, as well as prominent US and European deeptech venture firms and exited founders. WHAT YOU’LL DO As a Senior Mechanical Engineer, you will design, simulate, prototype, and industrialize the mechanical systems that house Arago's next-generation optical AI accelerator boards. From server tray design and thermal management to custom mounts for our optical and PCB teams, you will be the hands-on builder who turns engineering requirements into physical reality, using both your CAD expertise and our in-house 3D printer and CNC machine. REQUIRED SKILLS AND EXPERIENCE * Master's degree in Mechanical Engineering or related field. * 5+ years of experience in mechanical design, ideally in server hardware, electronics enclosures, or high-performance computing systems. * Proficiency in CAD tools such as SolidWorks, CATIA, or equivalent. * Experience with thermal simulation tools such as COMSOL or ANSYS. * Hands-on experience with metal sheet design, fabrication processes, and mechanical assembly. * Familiarity with server hardware components like motherboards, fans, PSUs and their integration constraints. * Experience working with external suppliers and design houses, including order management and supply follow-up. * Experience with in-house prototyping tools like 3D printing and CNC machining. * Familiarity with thermal management for high-power electronics. * Language: English at a proficient level. French is a plus. RESPONSIBILITIES * Design metal sheet parts and mechanical assemblies for server trays hosting Arago's ML accelerator boards. * Integrate off-the-shelf components such as motherboards, fans, and PSUs into custom server tray designs. * Perform thermal simulations to validate designs before prototyping. * Design mounts and casings to support the optical and PCB teams' hardware. * Prototype designs using our in-house 3D printer and CNC machine, and iterate rapidly. * Manage relationships with external suppliers and design houses, from initial brief to supply follow-up. * Collaborate closely with PCB, optical, and software teams to align mechanical specifications across domains. PAY AND BENEFITS * Competitive cash compensation, with final package based on location, experience, and the pay of team members in similar positions. * Meaningful stock option plan offered at the earliest stage of the company (included in the majority of full time offers). * Relocation bonus and coverage of moving expenses for relocation within 20 minutes of the company’s location. * Healthcare coverage (including family-friendly options), pension contributions, professional development support, and 25 days of PTO, in addition to public holidays. * Ownership of a key technical domain, with significant vertical and/or horizontal growth opportunities, based on performance and individual drive. * Reimbursement of 50% of the public transport subscription fee. * A high-paced, multicultural (with 10 nationalities), and engineering-led environment.

Summary: The Senior Mechanical Engineer is an active participant in the design, procurement, fabrication, assembly, integration, start-up, and commissioning of very large-scale automated aerospace assembly systems. They will work with other Design Engineers to concept, develop and design conventional and automated tooling systems and customized machine tools for the aerospace industry. They will take a lead role while working with other engineers to develop tooling concepts and designs.   Duties and Responsibilities:  * Design tools and automation equipment for aircraft and other precision manufacturing industries. * Execute project goals related to the mechanical design engineering department. * Provide support for new product introduction to manufacturing. * Create and revise 3D designs and 2D drawings in accordance with internal and/or customer requirements. * Self-check and review all designs and drawings prior to final release to checking. * Follow design procedures, fill out required forms and close all actions associated with internal and customer design processes. * Possess required experience, skills and attributes for assigned level in engineering, technology, (software) tools, and personal & leadership on the Engineering Skills Matrix. a. Engineering – In training for advanced analysis; trained but needs support in concepting and stress; can work autonomously in drawings, design, technical publications. b. Technologies – In training for controls; trained but needs support in machine design and integration; can work autonomously in jigs & tools, platforms and operations. c. Software Tools – Can work autonomously in CATIA and GURU. d. Personal & leadership – Trained but needs support in ability to lead, customer interface, process-based thinking, requirements management and scheduling & estimation. * Field telephone calls from build suppliers and shop personnel for mechanical design engineering problems and associated issues. * Ensure all changes, DCNs, and as-built information is incorporated on drawings. * Select, record, file, and maintain all component information for concepts and designs. * Perform component and material sizing for designs; requests and provides input to cognizant stress analysis engineers. * Understand and follow safety & environmental regulations and identifies safety/environmental concerns. * Adhere to the Quality System and participates in Continuous Improvement. * Perform hand calculations and/or stress analysis and solicits review/check from cognizant engineers. * Coordinate with electrical and software groups, attending controls reviews and providing input as required. * Provide leadership to establish and meet design schedule goals. * Perform peer-check of designs and drawings as-required. * Perform other duties as assigned.   Education and Work Experience: * Bachelor of Science in Mechanical Engineering, related discipline, or equivalent combination of education and experience required. * Five or more years related experience in one or more of the following: Heavy Machine Design, Structural Design Aerospace Tooling Assembly Systems and Automation. * Manufacturing and machine shop background or relevant experience preferred. * CAD Software Knowledge: * CATIA V5, NX or Equivalent software knowledge (Solidworks, Pro E, etc.) * Experience with Finite Element Analysis (FEA) software (Ansys or Femap is preferred) * Must be able to obtain, maintain and/or currently possess a Secret security clearance.   Work Authorization/Security Clearance Requirements: * This position may require a government security clearance.   Knowledge, Skills and Abilities: List of needed knowledge, skills, and abilities to successfully accomplish the duties and responsibilities of the job. * Read and understand drawings and schematics (ie: electronics, mechanics, hydraulics, pneumatics). * Use computer-aided design (CAD). * Display a high level of initiative, effort, and commitment towards completing assignments in a timely manner. * Familiar with a variety of fabrication concepts, practices, and procedures. * Knowledge of design techniques, tools, fixtures, and principals involved in production of precision technical plans, blueprints, drawings, and models. * Knowledge of the practical application of engineering science and technology. * Knowledge of engineering and programming including electronics, mechanics, hydraulics, pneumatics, and computer programming. * Learn and apply new concepts quickly and effectively. * Highly motivated and keen to work in a fast-paced organization. * Self-starter, ability to work independently, act and deliver results, exercising high level judgment in the absence of explicit direction. * Provides check and feedback from independent review of engineering deliverables/documentation (i.e. 3D models, 2D drawings, design presentations.)   Work Conditions: Environment Type: * Indoor, Office environment. Temperature controlled. Exposure Types: * No adverse environmental conditions expected. Work Hours: * Standard work schedule, overtime may be necessary for meeting deadlines, required travel, emergent conditions. Travel Requirements: * This position can involve travel up to 20% of the time.   Physical Demands: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. . * Light work that includes moving objects up to 20 pounds. * Picking, pinching, typing or otherwise working, primarily with fingers rather than with whole hand or arm as in handling. * Prolonged periods sitting at a desk and working on a computer.   AIT Safety - AIT enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements. All employees that work in or enter the production environment are required to wear personal protective equipment.   AIT Quality - It is our policy to provide quality products and services that meet customer expectations and delivery requirements. Accordingly, each employee must conform to the AIT Quality Policy and carry out job activities in compliance with applicable AIT Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.   AIT Procedure Compliance - Each employee must read, understand, and implement the general and specific operational, safety, quality, and environmental requirements of all plans, procedures, and policies pertaining to his/her job.   Security Clearance Statement - This position may require a government security clearance; you must be a US Citizen for consideration.   ITAR Requirements  - To conform to U.S. Government commercial space technology export regulations, including the International Traffic in Arms Regulations (ITAR), 8 U.S.C. § 1324b(a)(3), applicants for employment at AIT must be a U.S. citizen or national, lawfully admitted for permanent residence into the U.S. (i.e. current green card holder), or lawfully admitted as a refugee or granted asylum under 8 U.S.C. § 1157-1158.   Equal Employment Opportunity - AIT is proud to be an Equal Opportunity Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. AIT hires and promotes people based on their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that nurtures trust, equality, and teamwork, in which all employees recognize and appreciate the diversity of individual team members. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, gender, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law.   Affirmative Action and Disability Accommodation - Applicants wishing to view a copy of AIT’ s Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us at askhr@aint.com [askhr@aint.com].