Abraham Gallegos

PLC & Commissioning Engineer with 3+ years of experience in PLC programming using Allen-Bradley (Studio 5000), Siemens (TIA Portal), and Codesys. Experienced in Eplan and Solidworks, full-cycle commissioning, including I/O checkout, functional testing, and startup of industrial automation systems. Strong background in system integration, PLC code audits, HMI development, and IEC-compliant control systems.

Proven ability to deliver technical training, support cross-functional teams, and execute system upgrades and migrations. Bilingual, with willingness to travel, focused on delivering reliable, safe, and efficient automation solutions.

PLC Engineer & Instructor (Freelance) - Cursos privados - Mexico, Mexico

(2024-07)

Focus: Advanced Programming, Code Audits, Training & System Design Review

• Participated with engineering specialists to validate PLC architecture, device mapping, and control strategies.
• Prepared and executed startup of structured PLC programs integrating subroutines, AOIs, data types, device mapping, and communication configuration (Ethernet)
• Development of electrical diagrams and electro-pneumatic circuits in EPLAN Electric, including motor starting and protection, as well as sensor and actuator integration.
• Performed PLC code reviews and audits, ensuring compliance with project specifications, quality standards, and safety requirements.
• Conducted technical risk and opportunity assessments during commissioning, ensuring alignment with contract specifications and mitigation guidelines.
• Design and documentation of electrical control panels in SOLIDWORKS Electrical, creating single-line diagrams and electro-pneumatic and electrical circuits.

Automation & Control Engineer - GreenBrier Company - Hidalgo, México

(2022-01 - 2024-04)

Focus: Full-Cycle Project Execution, Cross-Functional Leadership, Commissioning

• Developed medium-complexity PLC applications integrating subroutines, AOIs, device mapping, and structured routines.
• Participated in PLC code reviews, system audits, and continuous improvement initiatives, including functional testing.
• Executed commissioning activities including wiring verification, sensor validation, functional testing, I/O checkout, and startup support. Worked with Ethernet IP industrial networks for PLC-to-HMI and PLC-to-device communication.
• Applied standardized engineering processes and commissioning methodologies aligned with quality and safety compliance requirements.

Industrial Maintenance Engineer - DFS Industrias - Hidalgo, México

(2021-04 - 2022-01)

Focus: Preventive & Corrective Maintenance, Troubleshooting, System Reliability

• Programmed and modified PLC logic using Studio 5000 and TIA Portal, integrating structured routines and device mapping, and supported startup activities.
• Participated in System Design Reviews ensuring compliance with IEC standards and project specifications.
• Led commissioning activities including control panel verification, motor startup, sensor validation, and I/O testing.
• Conducted PLC code audits and troubleshooting, reducing system failures by 25%.
• Configured and supported HMI systems (FactoryTalk View, WinCC), including functional testing. Basic exposure to Ignition SCADA (training / simulation)
• Ensured maintenance and commissioning activities complied with internal quality standards and safety procedures.

Bachelor's Degree - Mechatronics Engineering - UNIVERSIDAD TECNOLÓGICA DE TÉCAMAC (2016 - 2020)

Diploma - Advanced Industrial Automation Allen Bradley - FESTO (2022 - 2022)

Diploma - Robotics ROBOGUIDE FANUC - FESTO (2022 - 2022)