Diego Rocha
Greenbelt
Summary
Accomplished Rail Systems and Electrical Engineering Specialist with 16+ years of experience across the U.S. and Brazil. Strong background in test & commissioning, electrical systems, troubleshooting, and system reliability. Skilled in field operations, O&M, commissioning, HVAC-related system testing, and mission-critical environments. Known for expert problem-solving, technical leadership, and delivering high‑reliability field results.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Testing Manager – Functional Electrical Inspection
CAF USA
Elmira
10.2023 - Current
- Lead functional electrical and mechanical technicians and oversee all aspects of test & commissioning activities for rolling stock projects.
- Supervise a team of Electrical and Mechanical Technicians, coordinating tasks, schedules, and technical troubleshooting to ensure smooth execution.
- Provide technical guidance and mentorship, acting as the SME for rail systems testing, including propulsion, braking, doors, signaling, and onboard electrical systems.
- Ensure compliance with project, safety, and regulatory standards while maintaining system reliability and integrity.
- Implement process improvements and best practices, optimizing testing efficiency and minimizing operational delays.
Test & Commissioning Engineer
CAF USA
01.2023 - 10.2023
- Executed static and dynamic commissioning tests for multiple fleets, including Boston Green Line, KC streetcar and Maryland Purple Line.
- Coordinated with clients, consultants, and suppliers to plan and execute commissioning schedules, minimizing operational delays.
- Led functional verification of onboard systems, identifying potential reliability issues before revenue service.
- Proposed process and design improvements that enhanced safety and system performance.
Electrical Test Technician – SME
CAF USA
04.2019 - 01.2023
- Performed dynamic and static operational tests on trains and Light Rail Vehicles (LRVs), ensuring full compliance with safety, legal, and project standards.
- Developed custom testing devices and functional test procedures, increasing test efficiency and system reliability.
- Acted as technical authority on rail systems, guiding engineers, subcontractors, and global suppliers on complex troubleshooting tasks.
- Identified and resolved recurring system faults in critical components such as propulsion, braking, doors, HVAC, signaling, and control systems.
- Maintained comprehensive test documentation, supporting quality assurance, audits, and continuous improvement initiatives.
- Collaborated with multidisciplinary teams to coordinate factory and field tests across multiple fleets, ensuring seamless commissioning.
- Led troubleshooting of critical rail system components, supporting successful train operations.
- Maintained detailed documentation and collaborated with global engineers and consultants.
Test Engineer Assistant
CAF Brasil
12.2010 - 04.2019
- Conducted static and dynamic testing of CPTM and Metro-SP trains in field and factory environments.
- Coordinated technical teams and customer interfaces during on-site tests. Implemented modifications to ATC and CBTC systems, improving operational reliability.
- Performed failure analysis and troubleshooting, providing practical solutions for system issues.
- Supported planning and execution of project testing schedules.
Electrical Engineering Intern
CAF Brasil
12.2009 - 12.2010
- Assisted in mechanical and electrical maintenance planning.
- Supported procurement of electrical, pneumatic, and hydraulic components.
- Designed electrical installations and distribution systems.
Electrical Engineering Intern
Ingeteam
12.2008 - 12.2009
- Supported the design of Low and Medium Voltage (LV/MV) electrical panels and industrial installation projects for major clients including Vale, Petrobras, LLX, and MMX.
- Contributed to the electrical installation design of yard machines, electrical rooms, galvanizing lines, wagon tipplers, and industrial systems, ensuring compliance with engineering and safety standards.
- Developed detailed electrical drawings and schematics using EPLAN P8 and AutoCAD.
- Assisted in the preparation of distribution boards and circuit layouts, optimizing energy efficiency and system reliability.
Education
B.S. - Electrical Engineering
U.S. Educational Equivalency
01.2019
Electronics Technician -
Instituto Monitor
01.2018
Skills
- O&M oversight
- Heating, ventilation, and air conditioning
- Cooling system design
- Facility operations support
- Low, medium, and high voltage panels
- Integration of systems
- Railway systems (ATC, CBTC, propulsion)
- Diagnostic troubleshooting
- Analysis of failures
- Testing (dynamic and static)
- Leadership in technical projects
- Coordination of teams
- Compliance with safety regulations
Certification
- NFPA‑70E Electrical Safety, 2021
- OSHA 10
- NR‑35 Work at Height, 2017
- NR‑10 Electrical Safety, 2017
- EPLAN P8 Level II, 2008
Languages
- English, Native
- Spanish, Native
- Portuguese, Native
Personal Information
Residency Status: U.S. Lawful Permanent Resident — Willing to Travel
Technical Tools
- EPLAN P8
- AutoCAD Electrical
- Oscilloscope
- Megger
- HV/LV Testing Equipment
- Data Recorders
- PLC/HMI Tools
Languages
English
Native/ Bilingual
Spanish
Native/ Bilingual
Portuguese
Native/ Bilingual
References
References available upon request.
Projects
- CPTM Series 7000 — 80 trainsets
- CPTM Series 7500 — 16 trainsets
- CPTM Series 8000 — 36 trainsets
- CPTM Series 8500 — 35 trainsets
- São Paulo Metro (Line 5 / P‑stock) — 26 trainsets
- Boston Green Line, USA — 102 LRVs
- Maryland Purple Line, USA — 28 LRVs
- KC Streetcar, USA — 14 streetcars
Timeline
Testing Manager – Functional Electrical Inspection
CAF USA
10.2023 - Current
Test & Commissioning Engineer
CAF USA
01.2023 - 10.2023
Electrical Test Technician – SME
CAF USA
04.2019 - 01.2023
Test Engineer Assistant
CAF Brasil
12.2010 - 04.2019
Electrical Engineering Intern
CAF Brasil
12.2009 - 12.2010
Electrical Engineering Intern
Ingeteam
12.2008 - 12.2009
B.S. - Electrical Engineering
U.S. Educational Equivalency
Electronics Technician -
Instituto Monitor