Teamforce Labour are looking for an experienced COSS (Controller of Site Safety) to start Monday in Portsmouth. Requirements: Valid COSS competency (Sentinel card) PTS (Personal Track Safety) with up-to-date D&A and medical Experience working on railway sites in a safety-critical role Full PPE (orange, rail-compliant) Ability to take charge of site safety and brief teams effectively Must be reliable and available to start immediatelyEqual Opportunities Statement: Teamforce Labour is an equal opportunities employer. All applications will be reviewed based solely on merit, skills and experience, regardless of age, race, gender, disability, religion, or any other protected characteristic. If you require reasonable adjustments during the application or interview process, please inform us in advance. About Us: Teamforce Labour is a trusted and accredited supplier of skilled personnel to the Energy, Rail, Infrastructure, and Construction sectors across the UK. We are committed to delivering quality and safety across all aspects of our work while supporting diverse and inclusive hiring practices