HR Officer - Recruitment & Training in London

We design, implement and optimize breakthrough content production models, delivering simplicity, efficiencies, and the connectivity and consistency of content that powers brand growth. Our flexible models combine content experience, production solutions, and global delivery. We multiply and lead with innovative technologies including real-time 3D, virtual production, automation and generative content. Born from the leading creative and media agencies and engineered for a data-driven world, we provide scaled content solutions, industry-leading content development, production excellence and unmatched global delivery capabilities. You won’t find a more diverse set of clients or projects. We believe building a community that fosters growth, belonging, and connection is as rewarding as the work itself.

Contract Type: Fixed-Term Contract

Contract Length: 6 months, with possibility to extend and/or convert to permanent employee

Reports to: Head of HR

We’re looking for an experienced HR Advisor to join OP London on a 6-month fixed-term contract. This role is a key part of the HR team, providing practical, people-focused guidance across the full employee lifecycle.

You’ll act as a trusted advisor to employees and managers, offering fair, consistent, and legally compliant HR advice across employee relations, performance management, payroll, benefits, and learning & development.

• HR Advice & Employee Support
• Act as a first point of contact for employee and manager HR queries, providing fair, timely, and practical guidance
• Support performance management processes, including goal setting, development planning, and role clarity
• Support employees through family leave processes, ensuring clarity, consistency, and a positive experience before and after leave
• Proactively support employee wellbeing and mental health initiatives
• Manage medical leave cases and Occupational Health referrals, escalating where appropriate
• Stay up to date with UK employment law and HR best practice

• Payroll & Benefits
• Manage employee relations matters including performance improvement plans, probation outcomes, and conduct concerns
• Partner closely with senior HR leaders on complex or sensitive cases
• Ensure ongoing compliance with UK employment law and internal policies
• Contribute to the development and improvement of HR policies and procedures

• Onboarding, Offboarding & HR Operations
• Deliver HR inductions for new starters and support a positive onboarding experience
• Support freelancer and contractor processes, including right-to-work checks and compliance requirements
• Maintain accurate HR systems and employee records

• Learning & Development
• Support the delivery of learning and development initiatives for managers and employees
• Ensure completion of mandatory training requirements
• Support apprenticeship programs and early talent initiatives

Proven experience in a generalist HR Advisor or similar role, ideally within Advertising, Media, or a similar creative industry. Confident managing employee relations matters with empathy and consistency.