Dominic Mutuku
Hardware QA Engineer
Nairobi County
Summary
Electrical & Electronics Engineer with hands-on experience in electromechanical systems, servo drive configuration, embedded control systems, and electrical validation. Experienced in AC servo motor setup, PID-based control loop tuning exposure, industrial communication protocols, and system-level troubleshooting. Strong foundation in power electronics, 3-phase systems, microcontroller-based control, and motion system integration. Passionate about motion control, automation, and mechatronic system design with a structured, analytical approach to system performance optimization.
Overview
4
4
years of professional experience
4
4
Certifications
2
2
Languages
Work History
Hardware QA Engineer
KOKO Networks Global
05.2025 - Current
- Defined validation strategies and verification protocols aligned with product development lifecycle milestones.
- Evaluated electrical and electromechanical hardware architecture performance against system requirements.
- Designed and developed custom test rigs and fixtures to simulate real-world operating conditions.
- Conducted system integration testing across pumps, valves, dispensing units, and battery subsystems.
- Led root cause analysis (RCA) on field and production failures, contributing to corrective design actions.
- Participated in cross-functional design reviews and provided structured feedback for hardware improvements.
- Supported FMEA/DFMEA discussions to identify potential failure modes and mitigate risk.
- Analyzed subsystem performance data using SQL and spreadsheets to detect degradation trends and reliability risks.
- Supported compliance testing and calibration verification for regulated equipment.(Custody Transfer)
- Implemented communication interfaces (UART, I2C, SPI) in microcontroller-based systems.
Lab Technologist - Hardware QA
KOKO Networks Global
08.2023 - 04.2025
- Designed, built, and maintained dispensing rigs to validate dispensing-system functionality and reliability before field deployment.
- Led troubleshooting and root cause analysis of field electrical system failures to improve uptime and equipment reliability.
- Conducted system integration testing of electromechanical subsystems including pumps, valves, and battery power units.
- Monitored performance data of electrical subsystems to detect degradation trends and prevent operational failures.
- Designed and maintained electrical test rigs to simulate real-world power conditions and validate system reliability.
- Supported compliance verification, calibration, and electrical safety checks for regulated equipment.
- Collaborated with operations teams to improve system resilience and reduce field downtime.
Hardware Support Engineer Intern
KOKO Networks Kenya
02.2023 - 07.2023
- Supported testing activities and troubleshooting workflows in lab and field contexts.
- Assisted with documentation and record-keeping to support traceable QA and support processes.
- Contributed to issue resolution by supporting structured diagnosis and escalation with relevant findings.
Engineering Intern
Caino Africa
03.2022 - 01.2023
- Supported lithium-ion battery pack assembly and electrical integration.
- Performed spot welding and soldering for battery modules.
- Executed capacity, cycle, and performance validation testing.
- Assisted with electrical diagnostics and repair activities.
Education
BSc. - Electrical & Electronics Engineering
Technical University of Mombasa
Mombasa, Kenya12-2022
Skills
Motion Control & Servo Systems
Exposure to AC servo motor tuning (position, velocity, torque control loops)
Understanding of PID gain optimization and closed-loop stability
Familiar with load inertia matching concepts and drive parameter configuration
Motor sizing fundamentals and drive selection principles
Industrial Communication & Control
Exposure to EtherCAT architecture and node configuration
Familiar with PDO/SDO concepts and cyclic communication
Modbus RTU/TCP communication fundamentals
Encoder configuration and feedback signal validation
Fieldbus-based synchronization principles
Embedded Systems & Programming
Microcontroller development: STM32, ESP32, AVR
Embedded C and MicroPython
Python for automation and diagnostics
UART, SPI, I2C communication debugging
Firmware flashing and validation
Testing & Validation
System-level electrical testing and integration validation
Use of oscilloscope, multimeter, and laboratory instrumentation
Structured Root Cause Analysis (RCA)
Technical documentation and reporting
Test plan development
Automated testing
Regulatory compliance assurance
Quality processes
User acceptance testing
Cross-functional team collaboration
Quality assurance strategy
Data validation
System debugging
Test environment setup
Test script writing
Documentation expertise
Collaboration and communication
SOP writing
Audit reporting
Certification
Certificate in Energy Management Training — Strathmore University Nov 2022
ADDITIONAL INFORMATION
References available upon request
Timeline
Hardware QA Engineer
KOKO Networks Global
05.2025 - Current
Lab Technologist - Hardware QA
KOKO Networks Global
08.2023 - 04.2025
Hardware Support Engineer Intern
KOKO Networks Kenya
02.2023 - 07.2023
Engineering Intern
Caino Africa
03.2022 - 01.2023
BSc. - Electrical & Electronics Engineering
Technical University of Mombasa