OT Network Engineer

STACK Infrastructure

OT Network Engineer designing, implementing, and operating resilient network infrastructure for data centres. Supporting operational technology systems and collaborating with internal teams and vendors.

Posted 6/27/2026full-timeMilano • 🇮🇹 ItalyJuniorMid-Level💰 €45,000 - €57,000 per yearWebsite

Tech Stack

Tools & technologies

FirewallsPythonTCP/IP

About the role

Key responsibilities & impact

Design, implement, maintain, and optimise network infrastructure for OT environments across critical data centre sites.
Install, configure, and support routers, switches, firewalls, and related network devices to maintain performance, resilience, and service continuity.
Monitor network performance, investigate complex incidents, work with internal teams and vendors, and help drive root cause resolution and continuous improvement.
Support monitoring, alerting, backup, testing, validation, and documentation activities across OT network systems.
Apply security, operational, and regulatory best practices in a high-availability environment.
Participate in out-of-hours or emergency support when required to maintain service continuity.

Requirements

What you’ll need

Experience as a Network Engineer in an enterprise, critical infrastructure, or data centre environment.
Strong hands-on experience with Cisco networking technologies, Fortinet security solutions, and network infrastructure including LAN/WAN, firewalls, switches, routers, wireless networking, VPN, OSPF, VLANs, and TCP/IP.
Strong understanding of network security principles, troubleshooting, and operational support in high-availability environments.
Experience supporting or working with OT systems such as BMS, EPMS, SCADA, PLCs, and HMIs is desirable.
Knowledge of infrastructure cabling, monitoring, management, documentation, and reporting tools, with scripting or automation tools including Bash or Python an advantage.
Awareness of standards and compliance requirements such as ISO, SOC 2, and PCI-DSS is beneficial.
Strong analytical, problem-solving, collaboration, and communication skills in Italian and English, with commitment to accurate technical documentation and disciplined operational processes.
A degree in Computer Science, Information Systems, Network Engineering, or a related discipline is preferred, although equivalent practical experience will also be considered.

Benefits

Comp & perks

Buoni pasto e piano welfare aziendale
Assistenza sanitaria e accesso al fondo pensione complementare, secondo quanto previsto dal CCNL

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Network EngineeringCisco Networking TechnologiesFortinet Security SolutionsLAN/WANFirewallsSwitchesRoutersVPNOSPFTCP/IP

Soft Skills

Analytical SkillsProblem-Solving SkillsCollaboration SkillsCommunication SkillsAttention to Detail