Trust Automation, Inc.
Power Electronics - Embedded Firmware Engineer
Position:
Power Electronics - Embedded Firmware Engineer
Department: Engineering Department
Reports To: CTO / VP of Engineering
JOB SUMMARY:
Engineer to lead design efforts for cutting-edge power conversion products. Responsibilities include
high performance electrical design, conceptual firmware development, and hands-on application
integration. Successful candidates will have:
 A strong grasp of control theory fundamentals
 Development experience from a system design perspective
 Over 5 years of circuit and firmware design experience
 Experience relating to electric power conversion in high-speed, interrupt-driven environments
PRIMARY RESPONSIBILITIES:
1. Development of advanced power generation and motion control systems.
2. Requirement derivation, schematic and PCB design, and embedded code development.
3. Firmware development for Trust Automation standard products and customer specific
applications.
4. Design verification through control system and circuit analysis.
5. Integration and test of motion control systems, including firmware, electrical systems and
motors.
6. Support and modification of existing hardware/software as required.
7. Contribution to the Trust Automation engineering team knowledge base, bringing a fresh
perspective on firmware design, power conversion and motor integration.
8. Collaborate with the firmware engineering team to advance drive/motor efficiencies.
9. Contribution to technical planning for future product and/or custom application architecture.
10. Participate in Trust Automation’s design and development processes, including design and
documentation reviews.
11. Assist Program Managers and Trust VPs with project/program planning, including specification
of product and system application solutions, task prioritization, and risk mitigation.
12. Contribute to project/program success by meeting design requirements on schedule and within
budget.
Trust Automation • www.trustautomation.com • 805.544.0761
143 Suburban Road, San Luis Obispo, CA 93401
13. Participate in Trust Automation’s philosophy to provide quality products, provide excellent
customer service and satisfaction, while maintaining a desirable employee work environment.
14. Assist with customer interaction and perform product/system demonstrations as needed.
KNOWLEDGE AND SKILL REQUIREMENTS:
1. Minimum Qualifications:
 BSEE
 5+ years of hardware and firmware design experience relating to custom power
conversion products
 Digital and analog circuit design experience
 Experience with power levels of up to 5 kW
2. Motor drives, inverters, power supplies, and front-end PFC experience
3. Closed-loop control of motor torque, speed, and position experience
4. PID control theory experience
5. Embedded programming in C and assembly
a. Experience with TI and Atmel microcontrollers and DSPs preferred
6. Space vector PWM, field oriented control, direct torque control, trapezoidal/six-step control
7. Design of permanent magnet motor topologies, power inductors, and power transformers
8. Familiarity with gate drive techniques for power MOSFET’s and IGBT’s
9. Familiarity with communication interfaces/protocols: SPI, I2C, Modbus, USB, CAN, RS232,
RS422/RS485, Ethernet, EtherCAT
10. Familiarity of UL1741/IEEE1547 preferred
11. Familiarity with agile development processes preferred
12. Thrives in an innovative, multidisciplinary design team environment
13. Requires professional written and verbal communication skills and excellent interpersonal skills
14. Ability to manage time effectively and work effectively with Program Managers and upper
management
WORKING CONDITIONS
Working conditions are normal for a high technology engineering environment. Work may require
domestic and/or international travel, and may require weekend and/or evening work, based on
customer requirements.
www.trustautomation.com