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

Omnicom Production

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