Construction Assistant - Rail Infrastructure - Oxford Contract: 6 months | Location: Oxford | Rate: £380/day (Inside IR35 via Umbrella) A major rail infrastructure project in Oxford is seeking an experienced Construction Assistant to support site-based assurance on a high-profile enhancement programme. The successful candidate will play a critical role in ensuring that all construction activities are executed safely, to a high standard, and in compliance with relevant legislation, standards, and procedures. Project Scope: Oxford Phase 2 includes civils, signalling, telecoms, track and E&P works, plus new platforms, bridges, and station entrances. Now at ES6 construction phase. Key Responsibilities: Monitor contractor activities for safety, quality, and compliance Check Sentinel competencies and method statements Ensure communications with lineside residents Maintain site records, report defects, raise/close NCRs Support ITPs, testing, and undertake CoSS/Site Warden duties Requirements: Civils experience in a rail environment Valid PTS Knowledge of NR standards and SHW Strong documentation and QA skillsWe can only consider applications from those eligible to work in the UK for this position. This position will require some additional checks, to ensure you can access the site worked as needed. For more information on this position, please contact Marika Powell at ARM on (phone number removed) or email your CV and c...