Senior HR Manager (6 Month Fixed Term Contract) in London

About the Role

The Senior HR Manager will provide Tier2 HR advisory support to a defined client group across the UK and Ireland. Acting as a trusted advisor and escalation point, this role will support managers with moderately complex to complex people matters, including employee relations, performance management, organisational change, cyclical HR processes, and manager enablement. The role will partner closely with HR Business Partners, HR Operations, Centres of Expertise, Legal, Reward, Payroll, Benefits, Talent, and other specialist teams to deliver consistent, timely, and high‑quality HR solutions. The HR Manager/Senior HR Manager will also help improve the way HR support is delivered by leveraging case management technology, AI‑enabled tools, data insights, automation, and process improvement to reimagine workflows, strengthen documentation, and enhance the manager and employee experience.

Please be aware that this is a fixed‑term contract position, running until the end of January 2027.

Responsibilities

• Act as a trusted advisor and Tier2 HR escalation point for managers and leaders across a defined UK and Ireland client group.
• Provide guidance on moderately complex to complex employee relations matters, including investigations, disciplinary issues, grievances, conflict resolution, policy interpretation, absence management, performance concerns, and terminations.
• Coach managers on performance and behaviour management, including documentation, performance improvement plans, outcomes, and consistent application of policies, tools, and processes.
• Support organisational change activities, including restructures, role changes, consultation processes, workforce changes, and integration activity, in line with company standards and local legal requirements.
• Support cyclical HR processes, including performance management, talent reviews, compensation, engagement, benefits, payroll‑related activity, and workforce planning.
• Partner with HR Business Partners, HR Operations, Legal, Reward, Payroll, Benefits, Talent, Global Mobility, and other specialist teams to deliver coordinated HR support.
• Provide regular communication, education, and manager enablement on HR policies, processes, tools, and best practices.
• Support employee listening, engagement initiatives, and follow‑up actions for the client group in partnership with business and HR stakeholders.
• Use HR case management technology as a core Tier2 delivery channel, ensuring accurate documentation, timely case resolution, appropriate escalation, and consistent service delivery.
• Monitor case trends, SLA performance, recurring issues, and manager/employee feedback to identify risks and opportunities for improvement.
• Leverage data, analytics, AI‑enabled tools, and automation to improve HR advisory effectiveness, streamline work, and enhance decision‑making.
• Reimagine and improve HR workflows, knowledge resources, templates, and processes to drive efficiency, consistency, scalability, and a better employee and manager experience.
• Act as a change champion for new HR tools, workflows, technologies, and ways of working, supporting adoption across the client group.
• Contribute to wider HR projects and continuous improvement initiatives as required.

Key Behaviours and Competencies

• Trusted Advisor – Builds credibility with managers and stakeholders through sound judgement, practical advice, and strong HR expertise.
• Customer Focus – Delivers responsive, high‑quality HR support that balances business needs, employee experience, compliance, and risk.
• Problem Solving – Uses data, judgement, and analysis to resolve complex issues and identify practical solutions.
• Learning Agility – Quickly adapts to new challenges, tools, processes, and ways of working.
• Change Mindset – Supports and promotes change, helping stakeholders adopt new technologies, workflows, and HR practices.
• Process Improvement – Looks for opportunities to simplify, standardise, automate, and improve how HR work is delivered.
• Relationship Management – Builds strong partnerships across HR, the business, and specialist teams, using diplomacy and influence to achieve outcomes.
• Dealing with Ambiguity – Operates effectively in a fast‑paced, evolving environment and makes sound decisions with incomplete information.
• Technology Mindset – Comfortable using HR systems, case management tools, data, automation, and AI‑enabled solutions to improve efficiency and service quality.

About You

• Strong HR generalist experience, ideally in a large, complex, or global organisation.
• Experience providing Tier2 HR advisory support or working within a regional HR, shared services, centre of expertise, or similar HR service delivery model.
• Strong knowledge of UK and Ireland employment law, HR practices, and employee relations processes.
• Experience handling moderately complex to complex employee matters, including investigations, grievances, disciplinary processes, performance concerns, absence management, terminations, and organisational change.
• Experience supporting cyclical HR processes such as performance management, compensation, talent reviews, engagement, benefits, and workforce planning.
• Experience using HR case management systems, HR tools, reporting, dashboards, and data to support decision‑making and service improvement.
• Experience identifying process improvements, redesigning workflows, improving knowledge content, and supporting adoption of technology, automation, or AI‑enabled solutions.
• Strong stakeholder management, communication, coaching, analytical, organisational, presentation, and business writing skills.
• Ability to balance business priorities, employee experience, risk, and compliance in decision‑making.
• Familiarity with employee representative processes, collective consultation, or unionised environments is desirable where relevant.
• CIPD qualification or equivalent professional HR accreditation desirable.

What’s in it For You?

• Hybrid Work Model – We’ve adopted a flexible hybrid working environment (2‑3 days a week in the office depending on the role) for our office‑based roles while delivering a seamless experience that is digitally and physically connected.
• Flexibility & Work‑Life Balance – Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset.
• Career Development and Growth – By fostering a culture of continuous learning and skill development, we prepare our talent to tackle tomorrow’s challenges and deliver real‑world solutions.
• Industry Competitive Benefits – We offer comprehensive benefit plans to include flexible vacation, two company‑wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.
• Culture – Globally recognised, award‑winning reputation for inclusion and belonging, flexibility, work‑life balance, and more.
• Social Impact – Make an impact in your community with our Social Impact Institute.
• Making a Real‑World Impact – We are one of the few companies globally that helps its customers pursue justice, truth, and transparency.

Equal Employment Opportunity

To ensure we can do that, we seek talented, qualified employees in all our operations around the world regardless of race, color, sex/gender, including pregnancy, gender identity and expression, national origin, religion, sexual orientation, disability, age, marital status, citizen status, veteran status or any other protected classification under applicable law.