Senior Motor Control Firmware Engineer (FOC)

Allocor Tech; Crozet (VA); On-site; USD 110,000 - 170,000; Full time

Job summary

Allocor.tech is seeking an experienced embedded firmware engineer to push Taurus controller FOC on PMSM/BLDC for aerospace and marine applications. You will own torque loops, calibrate on real hardware, and extend the allocore C++ SDK for drop-in outer loops.

You will develop production-grade firmware on Cortex-M targets, implement robust sensorless techniques, and help bring up new hardware with rigorous testing and validation activities.

Qualifications

• 5+ years embedded motor-control firmware with FOC on PMSM/BLDC.
• Discrete-time control, transforms, SVPWM, current-loop bandwidth.
• Production C/C++ on bare metal or thin RTOS; read scopes and map files.
• CAN (2.0/FD), RS-485, encoder/Hall interfaces.
• Bonus: sensorless observers, SiC timing, MATLAB/Simulink-to-embedded, functional safety.

Responsibilities

• Implement and harden FOC: Clarke/Park, current and speed loops, field weakening, overmodulation, dead-time, observers.
• Write real-time C/C++ on Cortex-M and similar: PWM, ADC, DMA, isolated comms.
• Own sensored and sensorless paths, calibration, and protection for flight and salt water.
• Extend the allocore SDK so customers can drop in outer loops without touching your inner loop.
• Bring up new hardware with the EE and build the test story: HIL, scripted dyno, regression, production load.

Skills

Embedded firmware

FOC control

PMSM/BLDC

SVPWM

CAN interfaces

Bare-metal C/C++

Tools

STM32 MCU

Cortex-M

Job description

The role

If you have spent years making Field-Oriented Control look easy on a bench and want that code to propel aircraft and boats, read this. Taurus controllers run full four-quadrant FOC through SVPWM at 40 kHz-class rates, 20–405 V, Hall/QEP, isolated CAN and RS-485, regen, and hybrid-electric modes — on Allocortech’s allocore C++ SDK. You own the loops that make torque, not a reference design.

What you will do

• Implement and harden FOC: Clarke/Park, current and speed loops, field weakening, overmodulation, dead-time, observers.
• Write real-time C/C++ on Cortex-M and similar (STM32-class and beyond): PWM, ADC, DMA, isolated comms.
• Own sensored and sensorless paths, calibration, and protection that survive flight and salt water — not just a dyno.
• Extend the allocore SDK so customers can drop in outer loops without touching your inner loop.
• Bring up new hardware with the EE and build the test story: HIL, scripted dyno, regression, production load.

What you bring

• 5+ years embedded motor-control firmware. FOC on PMSM/BLDC is required, not a résumé bullet.
• Discrete-time control, transforms, SVPWM, current-loop bandwidth.
• Production C/C++ on bare metal or a thin RTOS. You can read a scope and a map file.
• CAN (2.0/FD), RS-485, encoder/Hall interfaces.
• Bonus: sensorless observers, SiC timing, MATLAB/Simulink-to-embedded, functional safety, hybrid propulsion.

Why Allocortech

You will not be the fortieth firmware engineer on a 2029 platform. You will make Taurus quieter, more efficient, and easier to certify. Same building as the power-electronics team. Hardware on the bench. Vehicles in the field. 50+ people, revenue tripled.

This position may require prolonged periods of sitting, standing, walking, computer work, and occasional exposure to moderate levels of noise, dust, and fumes in production and lab areas.

Level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Base salary is just one component of our total rewards package. Employees may receive equity opportunities and/or cash bonus, and have access to a robust benefits package including: top tier medical HMO, PPO & a 100% company-sponsored HSA plan option, dental and vision coverage, unlimited PTO, 11 paid holidays per year, flexible spending and dependent care savings accounts, paid parental leave, disability insurance, life insurance, and access to a 401(k) retirement plan with company match. Eligibility for benefits may vary based on employment status; please check with your recruiter for a comprehensive list of the benefits available for this role. Benefit programs are subject to change at the company’s discretion.

Important Information

FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY:

To conform to U.S. Government technology export regulations, including the International Traffic in Arms Regulations (ITAR), Allocor.Tech Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable.

Allocor.tech provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment at Allocor.Tech, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

We review applications on a rolling basis and move quickly for strong fits.