HR Business Partner (Part Time)

We are looking for a part time (3 days a week) commercially minded People Business Partner to join our growing business. This role combines strategic partnering with operational excellence, supporting leaders across the organisation while also owning and optimising our core HR pillars and systems (HiBob and Workable).

You will play a key role in supporting our people strategy, managing end to end Employee Relations (ER) matters, and ensuring our HR processes, policies and systems are joined-up, efficient, and scalable.

Key responsibilities

Strategic Business Partnering

• Partner with senior leaders to drive people strategy aligned to business goals
• Use data and insight to influence decision-making and improve performance
• Support change initiatives, including restructures and organisational development

Employee Relations (ER)

• Lead on ER cases (e.g. grievances, disciplinaries, performance, absence)
• Provide pragmatic, risk-aware advice balancing legal compliance with commercial outcomes
• Support and upskill managers to handle ER matters effectively and confidently
• Identify trends and implement proactive solutions to reduce ER risk

HR Operations & Process Improvement

• Drive consistency and efficiency across people processes and policies
• Continuously review and improve ways of working to support a growing organisation
• Ensure compliance with employment legislation and best practice
• Update Leadership team on legislation and policy changes
• Support our Start Well, Stay Well, Leave Well philosophy
• Comfortable with owning HR Admin, including contract changes, employee records, and core documentation

HR Systems Ownership (HiBob & Workable)

• Act as superuser and subject matter expert for HiBob (HRIS) and Workable (ATS)
• Own system configuration, optimisation, and ongoing development
• Ensure data integrity, reporting accuracy, and system utilisation across the business
• Build and maintain dashboards and reports to support business insights
• Lead system improvements, integrations, and automation of HR processes
• Provide training and support to managers and employees on system use
• Maintain and update employee data in HiBob, ensuring accuracy and integrity
• Oversee HR workflows (e.g. onboarding, changes, offboarding) within systems

Recruitment & Talent Support

• Support hiring managers with workforce planning and recruitment strategy
• Oversee effective use of Workable to ensure a strong and consistent hiring process
• Improve candidate and hiring manager experience

Other

• Support B Corp initiatives by aligning people policies and practices with social and environmental impact standards.

More details

• Salary based on 3 days pro rata
• Reporting into the Head of People
• 3 days working in a fun office environment

Requirements

Preferred experience

• Proven experience minimum 4 years HR Business Partner or similar role
• Strong Employee Relations expertise, with experience managing complex cases end-to-end
• Commercially minded with the ability to balance business and people needs
• Experience working in a fast-paced, scaling environment
• Confident operating in environments where things aren’t fully defined
• Exceptional attention to detail
• Comfortable with implementing people initiative from the ground up

Nice to have

• Exposure to B Corp principles or purpose-driven business practices is a plus
• Hands-on experience with HiBob, Workable, or similar people systems
• Confident using people data, metrics, and analytics to guide decision-making
• Curious about and ideally experienced in using AI to improve HR insights, workflows, and operational effectiveness

Personal Attributes

• Pragmatic and solutions-focused
• Confident influencing and challenging senior stakeholders
• Strong relationship builder with high levels of credibility
• Comfortable operating both strategically and hands-on
• Proactive and able to navigate ambiguity
• Good relationship builder

We’re committed to building a team that reflects a wide range of backgrounds, perspectives and experiences, and we strongly encourage applications from underrepresented groups. Research shows that people from underrepresented backgrounds are less likely to apply unless they meet every requirement, so if this role excites you, don’t worry about ticking every single box. At Big Potato, we care more about potential, attitude and fresh thinking than a perfect CV. If you think you’d be a great fit, we’d love to hear from you - even if your experience doesn’t line up exactly.

Benefits

• £500 holiday bonus & lots of free board games
• Bupa Healthcare plus Employee Assistance Programme - Includes Counselling
• Discounted gym memberships
• Monthly yoga
• Company events
• Cycle to work scheme
• Employee Benefits Trust