John Leo Dela Cruz
@johnleodelacruz
OT/ICS Operations Specialist
PhilippinesWhat I'm looking for
IT/OT Security Professional with over six years of experience in high-availability industrial environments and mission-critical systems. My expertise bridges the gap between Japanese Lean manufacturing principles and modern cybersecurity frameworks like NIST CSF and IEC 62443. Recently certified in CySA+, CCNA, and Security+, I specialize in anomaly detection and safeguarding Purdue Level 0–2 assets. I am dedicated to maintaining system integrity, process reliability, and personnel safety through proactive technical leadership. My focus remains on securing the vital intersection of industrial operations and advanced network defense.
Experience
Work history, roles, and key accomplishments
Line Operations Leader
Brother Precision Industries Co. Ltd
Oct 2021 - Feb 2025 (3 years 4 months)
Monitored production systems and machine logs to detect anomalies and reduce downtime; led incident handling and root-cause analysis to maintain continuous operations and compliance with safety and quality standards.
CNC Technician
Brother Precision Industries Co. Ltd
Oct 2018 - Oct 2021 (3 years)
Monitored CNC systems for abnormal behavior and performance degradation, analyzed machine data to support fault isolation and corrective actions, and enforced standard procedures to ensure system integrity and quality compliance.
Software Developer Intern
Paragon ICC Philippines
Dec 2016 - Mar 2017 (3 months)
Developed a Time Attendance system with biometric integration using Visual Basic and MS Access, designed data flows and database structures, and delivered end-user training and technical documentation.
Education
Degrees, certifications, and relevant coursework
Informatics College
Bachelor of Science, Information Technology
2014 - 2017
Completed a Bachelor of Science in Information Technology focusing on software development, systems integrity, and IT operations.
Availability
Location
PhilippinesAuthorized to work in
Salary expectations
Social media
Job categories
Skills
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