Senior HR Advisor

Cardiff | Full Time | 37.5 hours per week | Monday to Friday | Temporary contract (likely until 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.

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• Provide day-to-day HR support across multiple sites, partnering with managers to deliver effective people solutions and consistent HR best practice.
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• 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.
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• Coordinate and deliver HR programmes and activities such as training, performance cycles, wellbeing support, and occupational health processes.
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• Produce and maintain accurate HR data, reports, records, and KPI updates, ensuring compliance with data protection requirements and supporting business decision-making.
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• Contribute to change management activity and lead or support HR projects that drive continuous improvement at site and regional level.
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• Lead and support key people processes including talent development, performance management, employee engagement, diversity and inclusion, and health and wellbeing initiatives.
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• 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.
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• Strong working knowledge of employee relations, including experience supporting disciplinary, grievance, and absence management processes.
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• Confident communicator with the ability to build relationships, influence managers, maintain confidentiality, and handle sensitive issues with tact and professionalism.
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• Able to work independently and collaboratively, with strong organisational skills, excellent attention to detail, and a continuous improvement mindset.
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• Relevant CIPD qualification, ideally Level 5 or above, or working towards this level, supported by degree-level education or equivalent practical experience.
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• Somebody who is happy to work on site, Monday to Friday (occasional flexible WFH for reasonable requests).
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• Full-time, site-based role in Cardiff.
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• 37.5 hours per week.
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• Working hours between 8am-9am and 4pm-5pm.
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• Temporary contract (likely until end of 2026).
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• Opportunity to join a leading organisation in an interesting sector.
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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.