Mechanical Engineer

Mechanical Engineer - London Underground  London - Various sites Engineering hours - 12.00 - 04.00 SOS Group are recruiting for experienced Mechanical Engineers for work across the London Underground network for…

Pay rate £250/day
Contract type Contract
Posted 14 October 2026

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About this contract

Mechanical Engineer - London Underground 

London - Various sites

Engineering hours - 12.00 - 04.00

SOS Group are recruiting for experienced Mechanical Engineers for work across the London Underground network for contract work. 

The Mechanical Engineer will be expected to:

Review allocated outstanding mechanical faults and associated information.

Attend operational sites across the London Underground network.

Inspect reported defects and confirm the condition of the affected asset.

Diagnose mechanical faults and identify the required corrective action.

Complete minor mechanical repairs where competent, authorised and appropriately equipped.

Identify any materials, specialist support or follow-on works required.

Prioritise defects based on safety, operational impact and asset condition.

Provide clear technical recommendations for faults that cannot be resolved during the initial attendance.

Update fault records and produce suitable photographic and documentary close-out evidence.

Provide regular progress updates, including completed faults, outstanding actions, constraints, and access requirements.

Work collaboratively  client representatives, and other authorised contractors.

Applicant Requirements 

A recognised mechanical engineering qualification, apprenticeship, or equivalent demonstrable experience.

Proven mechanical fault-finding and diagnostic capability.

Experience within rail, transport, infrastructure, facilities management, or another safety-critical environment. Sentinel Card.

The ability to interpret engineering drawings, asset information, and technical documentation.

Knowledge of safe systems of work, permit arrangements and site risk controls.

The ability to produce clear inspection reports and accurate close-out evidence.

Good communication skills and the ability to work independently across multiple sites.

Please send up to date CV's

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