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Principal Mechanical Engineer

ARM | London, United Kingdom | Posted June 06, 2026

Position Overview

Principal Mechanical Engineer

Location: Remote (occasional travel to local office: London, Manchester, Newcastle, Glasgow)
6 Month rolling contract
£65 per hour Umbrella - Inside IR35 only

Overview

ARM is recruiting for an experienced Mechanical Engineer to support a growing Energy Transition team delivering some of the UK's most innovative low- and zero-carbon energy projects.

The Role

As a senior member of the engineering team, you will lead mechanical engineering activities from early-stage feasibility studies through to detailed design, construction support, operation and decommissioning.

You will work closely with developers, utilities, EPC contractors, OEMs, government bodies and investors to deliver safe, practical and commercially effective engineering solutions.

Key Responsibilities

Develop innovative and cost-effective mechanical engineering solutions
Lead mechanical design activities across Feasibility, Conce...

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