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  • Posted: Jan 20, 2026
    Deadline: Not specified
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  • We're a global leader in premium drinks, across spirits and beer, a business built on the principles and foundations laid by the giants of the industry. With over 200 brands sold in 180 countries, our portfolio has remarkable breadth. From centuries-old names to exciting new entrants, and global giants to local legends, we're building the very best brands ou...
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    GB ER Manager

    Role Purpose

    The Employee Relations Manager is accountable for delivering consistent, fair, and legally compliant employee relations support across Great Britain (England, Scotland, and Wales). The role enables a strong performance culture, leads GB Speak Up investigations, and manages ER matters for a predominantly field-based Sales and Quality Technical workforce.

    The role operates autonomously on standard and moderately complex matters and partners with the Global ER and Internal Legal Teams on complex, high-risk, or non-standard cases, in line with the governance and legal triage principles. Engagement with external legal advisors is managed exclusively through Global ER / Legal.

    Key Responsibilities

    Employment Law, Policy & Governance

    • Apply global and GB-specific ER policies and guidance consistently across the GB organisation.
    • Maintain strong, up-to-date knowledge of GB employment law and relevant case law, translating legal requirements into practical business guidance.
    • Partner with Global ER/ Internal Legal Counsel on employment claims and pre-litigation matters, including case preparation and evidence management.
    • Mitigate legal and reputational risk through early, well-governed ER interventions and appropriate escalation.

    Performance Enablement & Manager Coaching

    • Enable a consistent and commercially appropriate performance culture across GB, with specific focus on field-based Sales and Quality Technical populations.
    • Coach and advise line managers—many operating remotely—on performance, capability, conduct, and attendance management.
    • Provide expert guidance on GB performance management processes, including informal interventions and formal Performance Improvement Plans (PIPs), in line with Global and GB policies and templates.
    • Ensure consistent handling of performance cases across geographically dispersed teams, with appropriate documentation, governance, and risk awareness.
    • Partner with HR Business Partners to drive early intervention and build sustainable manager capability.
    • Raise complex, high-risk, or precedent-setting performance cases to the Global ER team for alignment and guidance.

    Employee Relations & Health-Related Case Management

    • Manage ER aspects of disciplinary, grievance, conduct, absence, sickness, long-term ill health, and work-related accident cases.
    • In sickness absence, ill-health, workplace accident, or health-related capability cases, engage the Global Occupational Health team to obtain expert advice on fitness for work, reasonable adjustments, return-to-work planning, and risk mitigation.
    • Ensure health-related cases are managed in line with GB legal requirements (including Equality Act considerations), internal policy, and Occupational Health guidance.

    Speak Up Investigations

    • Lead and manage Speak Up investigations for GB, including cases arising within field-based and remote teams.
    • Conduct investigations in standard and moderately complex cases, ensuring confidentiality, independence, and adherence to Speak Up protocols.
    • Partner with the Global ER team on complex, sensitive, or high-risk Speak Up matters where escalation or shared ownership is required under the governance.
    • Contribute to the sharing of Speak Up trends, insights, and takeaways with Global ER to support GB-wide consistency and continuous improvement.

    Policy Application, Change & Continuous Improvement

    • Operationalize global and GB-specific ER and performance enablement policies across office-based and field-based populations.
    • Provide targeted feedback to Global ER on recurring issues, risk trends, and policy or guidance gaps identified within the GB workforce.
    • Support implementation of GB policy and legislative changes in partnership with Global ER, including readiness and communication activity.

    ​​​​​​​Partnerships

    • Act as a trusted ER advisor to line managers, Sales and Technical leaders, and HR BPs.
    • Provide pragmatic, commercially balanced advice aligned with customer-facing and regulated operating environments.
    • Collaborate closely with the Global ER team to ensure insight sharing and strong ER governance.

    Experience

    • Employment Law Expertise: In-depth knowledge and application of employment law.
    • Risk Management: Skilled in identifying issues and managing risks with commercial insight.
    • Strategic Problem Solving: Ability to solve problems strategically for positive impact.
    • Employee Relations Leadership: Proven track record in delivering effective employee relations strategies.
    • Policy Development: Competent in drafting employment policies with global applicability.
    • Change Management & Stakeholder Engagement: Demonstrated experience leading change initiatives and engaging partners effectively.
    • Relationship Building: Excellent at influencing and building trusted relationships across all levels.
    • Complex Investigations & Reporting: Experienced in conducting investigations and thematic data analysis.
    • Business Insight & Adaptability: Strong business understanding; thrives in dynamic environments with an openness to innovation.

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    Method of Application

    Interested and qualified? Go to Diageo on diageo.wd3.myworkdayjobs.com to apply

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