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
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