IT Applications, Development & Support Sr Specialist (IT/OT Security & Resilience)

Objective

Serve as the critical on-site champion and "vehicle" for information security and network policy enforcement across manufacturing facilities. This role conducts hands-on verifications of regional network standards, actively protecting the physical and logical integrity of critical IT/OT interconnections.

Main Responsibilities

- Cybersecurity Compliance & Optimization: Partner with plant engineering and local teams to implement security baselines and networking best practices on industrial communication hardware without impacting active production lines.- Secure Architecture Deployment: Physically implement, configure, and support secure network segments, gateways, DMZs, and conduits bridging IT enterprise networks and OT industrial automation control systems (IACS).- Disaster Recovery & Backup Validation: Routinely verify, test, and document the viability of local, plant-level backup processes for critical operational assets (PLCs, HMIs, and SCADA systems) to guarantee rapid disaster recovery capabilities.- Audit Readiness & Documentation: Support the regional OT Lead in gathering, reviewing, and maintaining technical "Evidence of Compliance" to satisfy internal audits, corporate ISMS policies, and automotive industry security regulations (e.g., TISAX,



ISA/IEC 62443).- Business Continuity Execution: Lead and provide hands-on technical support for local Business Continuity Plan (BCP) drills, zeroing in on emergency hardware recovery setups and bypass scenario testing.- Infrastructure Mapping: Create and keep meticulously accurate "as-built" documentation, simple network topology diagrams, and inventory registers for interconnected systems across various manufacturing facilities.- Network Health Monitoring: Monitor the operational health of the IT/OT network bridge, utilizing network monitoring tools to detect, evaluate, and promptly escalate network performance metrics and security anomalies before they threaten production uptime.

Position Requirements

- Bachelor’s degree in information technology, Computer Science, Mechatronics, Cyber Security, or a closely related engineering field.- Fluent English for interfacing with integral teams.- Minimum of 3–5 years of professional experience managing enterprise or industrial IT/Network systems.- At least 3 years of experience in IT Systems.- Technical Skills: Industrial Networking, Network Infrastructure, Industrial Systems Awareness, Security & Compliance Frameworks, Network & Log Tools.- Soft skills: Proactive Adaptability, Analytical Problem-Solving, Detail-Oriented & Organized,

📌 IT Development & Support Sr Specialist (IT/OT Security & Resilience) (Ciudad de México)
🏢 Nemak
📍 Ciudad de México