OT Security Engineer: Industrial Network Defender

AG Solution Group; Reus; On-site; EUR 60,000 - 90,000; Full time

Job summary

AG Solution Group is seeking a proactive OT Security Specialist to secure industrial environments, manage legacy OT infrastructures, and advocate transparent, secure solutions. The role involves coordinating with operations, IT, and engineering teams to assess risk, strengthen segmentation, and maintain a resilient security posture.

Excellent Spanish and English communication is required, with French a plus.

Qualifications

• Experience protecting OT/industrial environments.
• Ability to assess risks and strengthen network segmentation.
• Understanding of the Purdue model and OT security principles.
• Hands-on with OT-firewalling, network monitoring, or network restructuring.
• Travel for international projects is required.

Responsibilities

• Collaborate with IT/OT teams to ensure security aligns with production needs.
• Advocate secure and transparent OT solutions with clients.
• Lead commissioning, testing, and audit phases to flag risks early.

Skills

OT security

Industrial networks

Network segmentation

Risk assessments

Firewalls

Purdue model

Nozomi Guardian

Fortinet

Cisco devices

Palo Alto

Active Directory management

SNMP/NetFlow

Tools

Nozomi Guardian

Fortinet firewall

Cisco devices

Palo Alto firewall

Active Directory

Job description

AG Solution Group is seeking a proactive OT Security Specialist to secure industrial environments, manage legacy OT infrastructures, and advocate transparent, secure solutions. The role involves coordinating with operations, IT, and engineering teams to assess risk, strengthen segmentation, and maintain a resilient security posture.

Excellent Spanish and English communication is required, with French a plus.