Senior HR Advisor

Cardiff - based full time on site

Mon to Fri, 37.5 hours working from 8/9am to 4/5pm

Temporary contract (likely until the end of 2026)

Acorn 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.

Candidate 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, Mon to Fri (occasional flexible WFH for reasonable requests)

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.