Job Title: Lead – Mechanical Engineering (Underwater / Defence Systems)

Company: Planys Technologies | Location: Chennai (Work from Office) | Experience: 6–8 years

About Planys: Planys builds mission-critical robotic and digital systems for defence and strategic infrastructure — unmanned underwater vehicles (UUVs), ruggedised electronics for armoured vehicles, and AI-enabled inspection/NDT systems for naval, coast guard, and army applications.

Role:
Lead full-cycle mechanical development of underwater systems — concept to prototyping, testing, deployment
Drive architecture decisions on pressure housings, enclosures, sealing, thermal pathways, structural frames, hydrodynamic design
Manage multiple engineering projects against timeline, cost, and quality targets
Supervise field/offshore testing and post-deployment support
Own engineering documentation — design reports,



test protocols, FMEAs, BOMs
Mentor junior engineers; work cross-functionally with electronics/software/field teams

Must-haves:
B.E./B.Tech or M.E./M.Tech in Mechanical, Marine Engineering, Mechatronics or equivalent
6–8 yrs mechanical design experience, preferably robotics/marine/hardware NPD
Solid SolidWorks/Fusion 360; deep GD&T; and tolerance-stack expertise
Underwater system design exposure: pressure ratings, corrosion mitigation, sealing (O-rings, epoxy)
CNC machining, injection molding, sheet metal design, DFMA
Willingness to work in office/offshore for trials

Positive to have: IECEx, ISO 9001, IP rating, MIL-STD, marine/navy defence standards familiarity

📌 Lead Chennai
🏢 Planys Technologies
📍 Chennai