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 general 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) (Nuevo León)
🏢 Nemak
📍 Nuevo León