Senior Mechanical Design Engineer

Company Brief

Planys is a deep tech start-up revolutionizing infrastructure integrity and risk assessment. Planys specializes in smart underwater inspection solutions and sophisticated digital analytics and reporting of NDT data. Planys envisions to steer a new course in the maintenance and inspection industry with its disruptive innovations in the field of marine robotics, novel underwater NDT methods and AI enabled post-inspection analytical digital reporting dashboard. Planys helps asset owners/operators in taking data-driven decisions for effective maintenance and repair of their critical assets. (Website: www.planystech.com)

Role & Responsibilities

• Lead end to end mechanical design of ROVs, AUVs, & asset inspection robotic systems.
• Design subsea pressure housings for electronics & sensors, Familiar with Pressure vessel design as per (BPVC), Material selection, thickness calculations, FEA Analysis of pressure vessels
• Design of underwater Propulsion System components, Sizing and Selection of Motors, bearings, Design of motor housings, shafts, bearing housing
• Develop structural designs considering static, dynamic, thrust loads, vibration, fatigue and hydrodynamic effects. Knowledge of hydrodynamics and CFD. Conversant with FEA/CFD tools
• Design sealing & penetrator interfaces O-ring grooves, shaft seals, face seals, dynamic and static sealing conditions.
• Design robotic mobility systems (kinematics, adhesion(magnetic/ vacuum), seledrive torque estimation, surface traction studies).
• Carry out requirement analysis, concept evaluation, feasibility & simulation-based validation (analytical + numerical).
• Rapid prototyping & hands-on development including machining, assembly, tolerance adjustments, and fit checks.
• Conduct field testing and sea trials, analyse in-water performance and iterate designs based on operational feedback.
• Work closely with Electrical, Software and Field Service teams during integration and qualification testing.
• Drive product reliability improvements, failure mode analysis (RCA), corrective actions and build robustness in next revisions.
• Create engineering documents — detailed drawings (GD&T), tolerance analysis, BOMs, testing plans & design reports.
• Excellent Knowledge of GD&T is required.
• Mentor junior engineers & interns on design best-practices & build reviews.

Expected Skillset

• 3D CAD (SolidWorks)
• Pressure Vessel Design
• Marine Propulsion Design
• FEA / CFD Analysis
• Sealing Engineering
• Troubleshooting & Field Engineering
• Cross-Function Collaboration
• Reliability Engineering & FMEA