We are looking for an experienced Network Architect to design, configure, and secure network infrastructure supporting SCADA and OT environments. If you have strong expertise in industrial networking, secure architecture design, and multi-site connectivity — this opportunity is for you.
Role Overview:
As a Network Architect, you will be responsible for designing and implementing secure, resilient network infrastructure for SCADA systems. The environment includes:
* OnLogic IPCs
* Rockwell Automation licensing & dongle solutions
Key Responsibilities:
* Design detailed network architecture diagrams and configuration documentation
* Configure and validate routing protocols, static routes, and NAT
* VLAN 10 – OT/ICS
* VLAN 20 – Management
* VLAN 40 – SCADA
* Configure MPLS and IPSEC VPN tunnels (including 4G failover links)
* Validate routing and NAT configurations for multi-site communication
* Troubleshoot complex network issues across distributed environments
* Ensure compliance with:
* NIS Directive for critical infrastructure security
* IEC 62443 cybersecurity framework
* Work with security tools such as:
* Qualys vulnerability scanning
* Microsoft Defender security solutions
Required Skills & Experience:
* Strong understanding of Industrial Networks, SCADA & OT Security Principles
* Experience designing networks in multi-site critical infrastructure environments
* Hands‑on experience with firewall rule management and secure remote connectivity
* Knowledge of MPLS, IPSEC, NAT, and VLAN segmentation
Preferred Qualifications:
* Cisco certifications (CCNA / CCNP)
* Experience in OT/ICS environments and SCADA integration
* Strong knowledge of secure remote connectivity architecture
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