JOB SUMMARY:
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. This is a hands-on role suited to someone confident operating in a fast-paced, collaborative environment.
RESPONSIBILITIES
HR Advice & Employee Support
- Act as a first point of contact for employee and manager HR queries, providing fair, timely, and practical guidance
- Advise managers on day-to-day people management, including navigating sensitive or challenging conversations
- 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
- Partner with Operations to ensure compliance with health and safety requirements
- Plan and deliver employee engagement initiatives and learning sessions
- Stay up to date with UK employment law and HR best practice
Payroll & Benefits
- Manage and coordinate monthly payroll processes, ensuring accuracy and timeliness
- Partner with Finance and payroll teams on reporting and reconciliation
- Maintain and administer employee benefits, including enrolments, changes, and audits
- Communicate benefits clearly and support employees in understanding their entitlements
Employee Relations
- Manage employee relations matters including performance improvement plans, probation outcomes, and conduct concerns
- Partner closely with senior HR leaders on complex or sensitive cases
- Support organisational change initiatives, including restructures and redundancy consultation processes
Compliance, Reporting & Processes
- Ensure ongoing compliance with UK employment law and internal policies
- Support internal and external audits and people-related reporting
- Oversee processes related to right-to-work and migrant worker compliance
- 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
- Issue offer letters and employment contracts
- Manage onboarding and offboarding processes, including exit interviews and insight-led recommendations
- 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
REQUIREMENTS
- Proven experience in a generalist HR Advisor or similar role, ideally within Advertising, Media, or a similar creative industry
- Strong knowledge of UK employment law
- Confident managing employee relations matters with empathy and consistency
- Comfortable balancing advisory work with operational delivery
- Highly organised, detail-oriented, and proactive
- Strong interpersonal skills with a collaborative, people-first approach
- Embodies our values of Excellence, Changemaking & Togetherness
