Panel Wirer

  • Nexum Services Ltd
  • Hounslow, London
  • Jul 23, 2025
Contractor Construction

Job Description

Job Description:

We are seeking an experienced Panel Wirer to join our engineering team at Heathrow Airport, working within a cargo handling environment. This is a long-term opportunity focused on upgrading legacy Siemens Simatic S5 PLC systems to the newer S7 platform.

Key Responsibilities:

  • Panel wiring and assembly for control panels used in automated cargo systems.
  • Support the removal and replacement of legacy Siemens S5 PLCs with S7 PLCs, including wiring modifications and panel reconfiguration.
  • Interpret and work from electrical schematics, wiring diagrams, and layout drawings.
  • Install, terminate, and test field wiring, I/O modules, sensors, and actuators.
  • Collaborate closely with control engineers and project teams to ensure system functionality and minimal downtime.
  • Conduct site surveys, cable routing, and installation in operational airport environments.
  • Follow all Heathrow Airport safety regulations and permit-to-work procedures.
  • Participate in system commissioning and troubleshooting of PLC-controlled systems.

Requirements:

  • Proven experience as a panel wirer or electrical technician in an industrial or automation environment.
  • Familiarity with Siemens PLCs, especially Simatic S5 and S7 platforms.
  • Ability to read and interpret electrical schematics and panel layouts.
  • Experience working in airports, logistics, or cargo handling environments is beneficial.
  • ECS/JIB card or equivalent electrical competency card.
  • Awareness of safe electrical working practices in a high-security and safety-critical environment.