OT/IoT Cybersecurity Support Engineer

Nozomi Networks; Madrid; On-site; EUR 42,000 - 65,000; Full time

Benefits offered by this job

Health & Wellness

Financial benefits

Work-Life Balance

Unparalleled Flexible Time-Off

Job summary

Nozomi Networks is seeking a Technical Support Engineer in Madrid to deliver post-sales support and collaborate with Product and Engineering to resolve complex issues. You will build deep expertise across our OT/IoT security product line and assist customers in deploying secure infrastructures.

The role emphasizes strong troubleshooting, customer-facing communication, and the ability to operate with high confidentiality in large environments.

Qualifications

• Proven experience in customer-facing roles as Technical Support Engineer or Systems Engineer.
• Experience in network security in a support, design, consultancy or operations role.
• Strong knowledge of Unix systems, virtualization technologies, scripting, and API integrations.
• Knowledge of common networking, security protocols and applications.
• Detailed technical experience in installations, configuration and operation of security appliances in large complex environments.
• Strong knowledge of information security principles.
• Excellent troubleshooting skills.
• Strong communication (written/verbal) and presentation skills.
• Solid working proficiency in English.
• Ability to operate with confidentiality and data privacy protocols.
• Comfortable using FreeBSD.
• Knowledge of PostgreSQL.
• Bachelor’s Degree (or equivalent) in CE/CS or related field.
• Experience in IC/Security projects.

Responsibilities

• Embody the Nozomi Networks Cultural Pillars and our mission to protect what matters most with transparency and trust.
• Provide post-sales break-fix, consulting, and collaboration with all stakeholders to resolve technical issues.
• Perform exceptional customer service relating to infrastructure design, deployment, testing and verification, as well as optimisation as needed.
• Drive interactions with customers for resolution of issues while interacting internally with Product and Engineering Teams as needed.
• Develop and maintain core competency on Nozomi Networks entire product line and technologies.
• Create knowledge base content where none exists while updating existing to correctly position solutions.
• Understanding of critical account infrastructure and technical environments.
• Provide white-glove treatment for critical accounts.
• Replicate and reproduce customer issues in the lab prior to escalating issue internally.

Skills

Tech Support Eng

Network security

Unix systems

Virtualization

Scripting

API integrations

Networking protocols

Security appliances

Info security

Troubleshooting

English proficiency

FreeBSD

PostgreSQL

Education

Bachelor's Degree (CE/CS) or equivalent

Job description

Nozomi Networks is seeking a Technical Support Engineer in Madrid to deliver post-sales support and collaborate with Product and Engineering to resolve complex issues. You will build deep expertise across our OT/IoT security product line and assist customers in deploying secure infrastructures.

The role emphasizes strong troubleshooting, customer-facing communication, and the ability to operate with high confidentiality in large environments.