Network & Security Engineer – OT / Industrial Networks at E-INFRA

Department: E-INFRA

Language

Location: Cluj-Napoca
Type: Full-time
Level: mid
Posted: Sep 25, 2026

Description

E-INFRA is hiring a Network & Security Engineer to design, configure, integrate, test, and commission secure industrial network infrastructure for electrical substations, renewable energy, and battery energy storage system projects across Romania. The role covers network architecture, equipment specifications, routing, switching, firewalls, segmentation, cybersecurity, IEC 61850 and IEC 60870-5-104 support, and FAT/SAT commissioning, with availability for project and on-site activities.

Required Skills

Network architecture
Network segmentation
Firewall policies
IEC 61850
IEC 60870-5-104
RSTP
TCP/IP
QoS/DSCP
SCADA/SAS

Additional Information

Minimum Education: Bachelor’s degree in Telecommunications, Computer Engineering, Cybersecurity, Electrical Engineering, Automation, or a related field
Required Previous Experiences: At least 3 years of hands-on experience designing and implementing network infrastructure, including routing, switching, firewalls, and network security controls
Experience translating technical requirements into network designs, equipment specifications, and implementation documentation
Hands-on experience configuring and troubleshooting industrial managed switches, routers, and firewalls
Practical understanding of network segmentation, firewall policies, VPNs, and secure remote access
Knowledge of industrial network redundancy, including RSTP, PRP, and HSR
Understanding of SCADA/SAS architectures and the network requirements of IEC 61850 and IEC 60870-5-104
Working knowledge of IEC 62443 and IEC 62351 applied to industrial network design and security
Preferred Qualifications: Experience with Siemens RUGGEDCOM/SCALANCE, Fortinet, Cisco Industrial Ethernet, Hirschmann/Belden, Palo Alto, Moxa, Westermo, or similar platforms
Experience delivering network and security infrastructure for electrical substations, renewable energy, or BESS projects
Experience designing redundant fibre-optic networks
Familiarity with Siemens SICAM/SIPROTEC, ABB/Hitachi Energy MicroSCADA/Relion, GE, or SEL systems
Relevant networking or OT cybersecurity certifications
Translation Company Name: E-INFRA