Senior HR Advisor

Senior HR Advisor HR Advisor Human Resources Advisor HR Business Partner

Cardiff Full-Time 37.5 Hours per Week Monday to Friday Temporary Contract (Until End of 2026)

Introduction

Acorn by Synergie is recruiting for an experienced Senior HR Advisor to join a leading organisation based in Cardiff .

This is an excellent opportunity for an experienced HR Advisor , Human Resources Advisor , People Advisor , or HR Business Partner to join a well-established corporate organisation on a long-term temporary contract.

Working as part of a professional HR team, you'll provide expert advice across the full employee lifecycle, partnering with managers to deliver high-quality HR support, manage complex employee relations cases, and drive people-focused initiatives that improve employee engagement and organisational performance.

Key Responsibilities

• Provide proactive day-to-day HR support to managers across the business, delivering practical people solutions and HR best practice.

• Advise and coach managers on employee relations matters, including disciplinary, grievance, absence management, capability, and performance issues.

• Ensure HR policies and procedures are applied consistently and in line with UK employment legislation.

• Coordinate and deliver key HR activities, including performance management, learning and development, wellbeing initiatives, and occupational health processes.

• Produce, maintain, and analyse HR reports, KPIs, and employee data, ensuring compliance with GDPR and data protection requirements.

• Support organisational change projects, restructures, and continuous improvement initiatives.

• Lead and support talent management, succession planning, employee engagement, diversity and inclusion, and wellbeing programmes.

• Build strong relationships with managers and stakeholders, providing trusted HR advice and guidance across the organisation.

• Support HR projects and contribute to the ongoing development of HR processes and policies.

Requirements

• Previous experience as a Senior HR Advisor , HR Advisor , Human Resources Advisor , People Advisor , HR Business Partner , or similar generalist HR role.

• Strong experience managing employee relations casework, including disciplinary, grievance, absence management, and performance issues.

• Excellent knowledge of UK employment law and HR best practice.

• Experience working within a corporate, professional services, public sector, or large organisational environment.

• Confident communicator with the ability to build effective working relationships at all levels.

• Strong organisational skills with excellent attention to detail and the ability to manage multiple priorities.

• Proactive approach with a continuous improvement mindset.

• CIPD Level 5 qualification (or above), or working towards this, supported by relevant HR experience.

• Happy to work on-site Monday to Friday, with occasional flexible home working where appropriate.

What's on Offer

• Full-time, site-based role in Cardiff .

• 37.5 hours per week , Monday to Friday.

• Flexible working hours between 8:00am-9:00am start and 4:00pm-5:00pm finish.

• Temporary contract expected to run until the end of 2026 .

• Opportunity to join a leading organisation within a unique and interesting sector.

• Collaborative HR team with exposure to a broad range of strategic and operational HR activities.

Interested?

If you're an experienced Senior HR Advisor , HR Advisor , Human Resources Advisor , People Advisor , HR Business Partner , or Generalist HR Professional looking for your next opportunity in Cardiff , apply today with your up-to-date CV.

Acorn by Synergie acts as an employment business for the supply of temporary workers.