Senior HR Advisor

Senior HR AdvisorCardiff | Full Time | 37.5 hours per week | Monday to Friday | Temporary contract (likely until end of 2026) IntroductionAcorn by Synergie are recruiting for a Senior HR Advisor for a leading organisation. This is a fantastic opportunity for an experienced HR professional to join a corporate organisation in an interesting sector. The successful candidate will play a key role in delivering high-quality HR support, improving employee engagement, and partnering with managers to drive best practice across the full employee lifecycle. Key Duties • Provide day-to-day HR support across multiple sites, partnering with managers to deliver effective people solutions and consistent HR best practice. • Advise managers on employee relations matters, including disciplinary, grievance, and absence management cases, helping to resolve issues proactively and in line with policy and employment legislation. • Coordinate and deliver HR programmes and activities such as training, performance cycles, wellbeing support, and occupational health processes. • Produce and maintain accurate HR data, reports, records, and KPI updates, ensuring compliance with data protection requirements and supporting business decision-making. • Contribute to change management activity and lead or support HR projects that drive continuous improvement at site and regional level. • Lead and support key people processes including talent development, performance management, employee engagement, diversity and inclusion, and health and wellbeing initiatives. Requirements • Previous experience in a generalist HR role, ideally at HR Advisor level or above, with exposure to both operational HR activity and project support, ideally for a corporate organisation. • Strong working knowledge of employee relations, including experience supporting disciplinary, grievance, and absence management processes. • Confident communicator with the ability to build relationships, influence managers, maintain confidentiality, and handle sensitive issues with tact and professionalism. • Able to work independently and collaboratively, with strong organisational skills, excellent attention to detail, and a continuous improvement mindset. • Relevant CIPD qualification, ideally Level 5 or above, or working towards this level, supported by degree-level education or equivalent practical experience. • Somebody who is happy to work on site, Monday to Friday (occasional flexible WFH for reasonable requests). What We Offer • Full-time, site-based role in Cardiff. • 37.5 hours per week. • Working hours between 8am-9am and 4pm-5pm. • Temporary contract (likely until end of 2026). • Opportunity to join a leading organisation in an interesting sector. Interested?To be considered, please apply with your up-to-date CV. Acorn by Synergie acts as an employment business for the supply of temporary workers.