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Chariot Defense is seeking a highly motivated and skilled Mechanical Engineer to join our engineering team, reporting to the Powertrain Lead Engineer. In this role, you will conceptualize, design, develop, and test advanced mechanical and power electronic systems, including fully integrated vehicle platforms. You will work across multidisciplinary engineering and design teams to ensure our systems meet stringent MIL-STD performance, endurance and reliability, and security requirements for deployment in demanding environments, performing critical missions. 

• Design Ownership: Own hardware design from initial requirements to concept and prototyping to series production, and beyond, in service and field deployment, as an end-to-end owner of subsystems.

• Integrated Systems: Develop mechanical designs that involve the complex and multivariable mechanical integration of next-gen energy storage, advanced material types, complex thermal solutions, power electronic hardware, dense PCBAs, and efficient harnessing for the tightest packaged, most efficient, and highest performing end-product. 

• Rapid Iteration: Prototype rapidly to find issues fast, debug, iterate, and develop a final, field-deployable product on compressed timelines, closely managing risk vs. reward, effort vs. return, and balancing schedules and budget with capability and performance.

• Design for Mass Manufacturing: Design mechanical, thermal, electro-mechanical components and assemblies, and integrated power systems, for volume manufacturing from the get-go. 

• Direct Customer Engagement: Support critical customer-facing hardware demonstrations, from time to time, and use these interactions to better understand the customers' requirements and application needs.

• Top-notch engineering intuition and first principles thinking toward designing complex products that function seamlessly for your customer, taking both an engineering/ technical, and product/ customer approach, to strike the optimal balance.
• Able to independently identify critical information or priority gaps and apply effort toward closing those gaps.
• Undaunted by imperfect, incomplete or absent datasets or information, and capable of making sound, comprehensive, and swift first-principled decisions to achieve a product end-state that meets and/or exceeds the need of the hour.
• Not satisfied by superficial explanations of a problem or "band-aid engineering"; seeks persistently to find the specific root cause through data-driven methods, and resolve failures or recurring issues, so they can be mitigated to prevent future such instances.
• Gratified by helping your peers succeed, building a robust team culture, and propagation deep camaraderie amongst your peers; seeks to break down information silos by collaborating rigorously with others to solve problems, share knowledge, and provide input.
  

• BS or MS in Mechanical Engineering, or equivalent work experience.
• Experience in an immersive system design project or research study/ thesis, in collegiate project teams (e.g.: SAE, FSAE, BAJA, others), other extracurricular participation, or professional settings.
• A minimum of 2+ years of experience in a technical engineering, design, or product role in a professional setting.
• Proven 3D CAD skills (any platform, but SOLIDWORKS preferred), as well as CAE/ FEA experience, and the ability to produce high-quality engineering 2D drawings that comply with common industry standards (e.g.: GD&T, ASME standards etc.)
• Strong understanding of engineering fundamentals in structures, materials, fluids and aero, thermal, controls, mechanics/ dynamics, system modeling, and fundamentals of physics.
• Manufacturing knowledge & experience with machine shops (sheet metal, CNC, lathe, sand casting, forging, die-casting etc.).
• Rapid prototyping background (structures/electronics/software) & 3D printing knowledge.
• Proficient in hands-on prototyping (machining, shop tools, welding, soldering), and demonstrated hands-on fabrication skills.
• Familiarity with MIL-STD, DO-160, or other automotive, defense, and aerospace standards.

• Experience designing and working directly with low and high voltage systems, high current/ high voltage power distribution, high voltage safety, and thermal management of lithium-ion batteries (or other energy storage) and voltage regulating power electronics.
• Experience in industries/ applications requiring high-reliability embedded power electronics operated in austere environments, and testing exposure for lifecycle, abuse, and endurance tests.
• MATLAB/ SIMULINK/ SIMSCAPE experience, as well as experience with any or several CAE/ FEA tools such as ANSYS, Fluent, Star CCM+, Abaqus, Comsol Multiphysics, Hyperworks etc.
• Experience with any or several instrumentation, scripting, communication and measurement tools such as LabVIEW, DIAdem, DAQs, PEAK (PCAN), Vector (CANape, CANoe etc.), Python.
• Experience with any or several data, content, and product lifecycle management systems like Confluence, JIRA, Polarion, Tableau, Teamcenter etc.
• Experience with any or several common sensors and sensing methods (such as thermocouples, force/ load sensors, flow sensors, voltage probes, current clamps etc.), sensor integration, and sensor data post processing/ filtering.
• Advanced designing skills for CNC machining, composites/ CFRPs, sheet metal, injection molding, PCBA integration.

• This position is an onsite role based in Chariot Defense's San Bruno, CA, office. 

• Willingness to support 10% travel, domestically and internationally, as well as work extended and weekend hours, when necessary 

• Able to work on your feet for extended periods in a shop setting. 

• Able to lift and carry 50lbs. 

A reasonable estimate of the current salary range is $130,000-$180,000 annually. Compensation packages also include early-stage equity and access to company-sponsored benefit plans.