Hr Administration à Grande-Bretagne

Department: People & Culture

Employment Type: Permanent

Location: London

At Sumer, we’re building something special - uniting ambitious regional firms and creating a high performing, people first culture across the group. To power this, we’ve launched our new HR Shared Services Centre (SSC) - the heartbeat of our People & Culture team - here to elevate the employee experience at every step of the journey.

We’re on the lookout for a forward thinking, people focused HR Advisor to join us on a 12 month fixed-term contract. You’ll balance local impact with big picture thinking - supporting your local hub, Simmons Gainsford, day to day while diving into group wide projects that shape our culture and employee lifecycle across the group.

If you love variety, enjoy making things better, and care about creating a brilliant employee experience, this is your chance to be part of something exciting as we grow and evolve.

As a HR Advisor, you will be a trusted point of contact for your designated hub, while also supporting central People & Culture team initiatives across the Sumer Group. Working in a matrix structure, you will support local operations and contribute to the design and delivery of group wide HR practices.

We are looking for someone who can:

• Act as a trusted HR advisor, empowering employees, managers, and directors with clear, practical advice throughout the entire employee journey - from welcoming new team members and supporting performance growth to fostering positive employee relations and smooth transitions.
• Work in collaboration with other hubs across the SSC, supporting where needed
• Guide and support managers confidently through important processes such as disciplinary actions, grievances, absence management, and probation reviews, ensuring fair, respectful, and legally compliant outcomes.
• Analyse key people metrics like turnover, absence, and engagement insights to help drive continuous improvement and strengthen our workplace culture.
• Play an active role in exciting HR projects, including mergers and acquisitions, policy enhancements, DE&I initiatives, and designing efficient, user friendly HR processes.
• Ensure accurate and up-to-date HR data management, championing best-practice administration that keeps our people systems running effortlessly.
• Oversee the end-to-end payroll process, including data preparation for the outsourced provider, apprenticeship levy management, payroll reporting and analysis, pension submissions, and acting as the main contact for all payroll, pension, and GMP queries.
• Support and inspire the development of HR trainees and junior team members, helping to build a collaborative, high-performing HR community.

• A wealth of varied HR experience, and will be comfortable navigating every stage of the employee journey
• Good practical knowledge of UK employment law, applying it confidently and fairly.
• Experience in guiding managers through employee relations, performance, absence, and probation issues with empathy and professionalism.
• The ability to work flexibly across local teams and wider group needs, adapting to changing priorities.
• Strong organisational skills with a focus on accurate HR administration and using data to support decision-making.

• Private Healthcare: Comprehensive private health care to support your wellbeing when you need it most.
• Health Cash Back Plan: In partnership with BHSF, claim back costs on essential medical care through our Health Cash Back Plan.
• Pension Scheme: Competitive pension plan to help you secure a comfortable future.
• Life Insurance: Financial protection for your loved ones through our Legal & General partnership.
• Flexible Working: We value flexibility, empowering you to work in ways that boost your productivity and balance.
• Holiday Allowance + Floating Bank Holidays: Generous holiday entitlement plus floating bank holidays (2 fixed).
• Work from Anywhere: Enjoy the chance to work abroad for up to 10 days per year.
• Enhanced Family Benefits: Designed to support work-life balance and wellbeing for you and your family.