Robotics Engineer (Motion Control)

We're Hiring: Robotics Engineer (Motion Control)

Location: Hubli, Karnataka

Experience: 2+ years

Domain: Motion Control | Embedded Firmware | Actuators and Sensors

Freshers are not eligible.

Candidates must be willing to relocate.

About this role

You will own the motion system of a two-axis, remotely operated, stabilised platform for defence use. That covers the software (control loops and real-time firmware) and the hardware (motors, drives, sensors, harnessing) that keep a payload pointed precisely at a target.

You need working depth in both software and hardware. Core mechanical design is handled by a separate Mechanical Design Engineer.

This is not a ROS demo or simulation-only role. Your code will drive real motors on hardware that goes to field trials.

What you'll be doing

Software

• Design position, velocity and current control loops and IMU-based stabilisation
• Write real-time control firmware in C/C++ on microcontrollers (STM32 or similar)
• Implement operator control modes, travel limits and safety interlocks
• Take low-latency tracking commands from the vision software and close the loop on them

Hardware

• Size and select motors, gearboxes, encoders and brakes against torque, speed, accuracy and weight budgets
• Integrate and commission BLDC/PMSM motor drives, IMU and feedback sensors on a two-axis platform
• Define wiring harnesses, connectors and power distribution for a battery-powered system
• Build test rigs and measure backlash, friction, pointing accuracy and repeatability

System

• Tune the complete system on real hardware for pointing accuracy and smooth tracking
• Support environmental, EMI/EMC and field trials, analyse the logs and fix what they find

Mandatory skills and experience

• 2+ years of hands-on work on robotic or electromechanical products (robotics, gimbals, drones, automation, EV or defence), covering both firmware and hardware

Software

• Embedded C/C++ on microcontrollers, with an RTOS or bare metal
• Control fundamentals: PID, cascaded loops, feedforward, and BLDC/PMSM control including FOC
• IMUs, encoders and sensor fusion (complementary or Kalman filters)
• MATLAB/Simulink or Python for modelling, tuning and test scripts

Hardware

• Actuator sizing and selection: BLDC or servo motors, gearboxes, encoders or resolvers
• Motor drivers and interfaces: CAN, RS-422/485, SPI, UART
• Able to read electrical schematics and mechanical drawings
• Comfortable with oscilloscopes, power supplies and data loggers

Good to have

• Experience with gimbals, pan-tilt units, antenna positioners, drone flight controllers or robotic arms
• Working knowledge of CAD (SolidWorks or similar)
• Exposure to ROS 2, MIL-grade harnessing, JSS 55555 or MIL-STD-810

Why join us

• Work on real defence hardware that goes to field trials, not demos or PoCs
• Own a complete subsystem from design to deployment
• Work in a small team directly with mechanical, electronics and software engineers

About Astr Defence

Astr Defence is an award-winning Indian defence manufacturer building next-generation armaments and counter-UAV systems for modern battlefield requirements.

Apply: send your profile to [Confidential Information] with the subject Robotics Engineer.