Mechanical / Mechatronics Test Engineer, Dropbox

Job description

Job responsibilities

• Own end-to-end validation of Dropbox mechanisms, structures, enclosures, electromechanical assemblies, and mechanical interfaces from prototype through fleet deployment.
• Translate product requirements, hazard analyses, field conditions, customer workflows, and known failure modes into measurable test requirements and pass/fail criteria.
• Develop verification plans with clear coverage, traceability, sample sizes, margins, acceptance criteria, and exit gates.
• Design, analyze, build, commission, and maintain test stands, fixtures, environmental setups, automated cycle rigs, and representative system test articles.
• Select and integrate instrumentation such as load cells, torque sensors, displacement sensors, accelerometers, strain gauges, thermocouples, cameras, current sensors, and data-acquisition hardware.
• Produce drawings, tolerance analyses, safety reviews, BOMs, assembly instructions, calibration procedures, and maintenance documentation for test equipment.
• Apply free-body diagrams, hand calculations, tolerance analysis, kinematics, fatigue and wear models, and FEA to design test equipment and establish representative loading.
• Develop tests covering structural strength, mechanism performance, high-cycle life, wear, ingress, contamination, corrosion, temperature, humidity, misuse, obstruction, package variation, installation variation, and…