OT Network Engineer

arrow

Preston / £450 - £550 day

INFO

Salary
SALARY:

£450 - £550

Location

LOCATION

Preston

Job Type
JOB TYPE

Contract

Job Title: OT Network Engineer
Location: Preston area (2-3 days on site to start)
Contract: 6 months | Rate: £450-£550 p/d | IR35: Outside TBC

Overview:
Seeking an OT Network Engineer to design and maintain a secure, high-performance OT infrastructure across a manufacturing environment. You'll ensure reliable comms for PLCs, HMIs, SCADA, robots, AMRs, BMS/HVAC and ERP-driven automation across multi-VLAN networks, working closely with both OT and IT teams.

Key Responsibilities:

  • Design and support OT networks (L2/L3, VLANs, QoS, segmentation).

  • Implement OT security controls (zones/conduits, ACLs, firewalls, secure remote access).

  • Optimise latency/jitter impacting PLC scan cycles and motion control.

  • Integrate and troubleshoot Siemens, Allen-Bradley, Schneider PLC/SCADA systems.

  • Support SCADA/HMI (WinCC Unified, FactoryTalk, EcoStruxure).

  • Deep knowledge of Profinet, EtherNet/IP, Modbus TCP, OPC UA/DA, BACnet.

  • Work with IT to align OT designs, manage data flows to ERP/MES/SCADA.

  • Own monitoring, documentation, backups, DR and change control.

Required Experience:

  • Strong understanding of industrial control principles and SCADA behaviour.

  • Practical OT networking experience (segmentation, filtering, deterministic comms).

  • Hands-on with key vendor ecosystems (Siemens / AB / Schneider).

  • Able to diagnose complex system-network interactions.

  • Confident working across both OT and IT teams.

Desirable:

  • Robotics, AMRs, conveyors, BMS/HVAC, OT-ERP integrations.

  • IEC 62443 knowledge.

  • Experience with historians, SQL logging, IIoT gateways.

CONTACT

William Ingleby

Senior Recruitment Consultant

SIMILAR
JOB RESULTS

4k-Harnham_DA copy
CAN’T FIND THE RIGHT OPPORTUNITY?

STILL
LOOKING?

If you can’t see what you’re looking for right now, send us your CV anyway – we’re always getting fresh new roles through the door.