Senior HR Advisor

Arthur J. Gallagher & Co. (AJG); Glasgow; On-site; GBP 40,000 - 56,000; Full time

Job summary

Gallagher is hiring a Senior HR Advisor on a 12-month fixed-term contract to support Corporate Functions. You will deliver high-quality HR advice to managers and employees, focusing on employee relations and commercially aligned solutions.

In this role you will manage complex cases, oversee annual HR processes, support restructurings, and drive continuous improvement while collaborating across teams to ensure accurate data reporting and timely delivery.

Qualifications

• Strong experience in employee relations and case management.
• Confident in giving expert HR policy and employment law guidance.
• Excellent communication and stakeholder influence.
• Highly organised with ability to manage competing priorities.
• Experience in restructuring activities, office closures or relocations.
• Proficient data handling and Excel reporting.

Responsibilities

• Provide expert HR advice to managers and staff.
• Manage complex employee relations cases and advise on policies.
• Coaching managers to strengthen people management skills.
• Lead restructuring activities, office closures, relocations.
• Support annual HR processes like performance reviews and benefits.
• Collaborate across teams to deliver high-quality HR service.
• Produce and analyse HR data reports for decision making.
• Contribute to continuous HR improvements.

Skills

Employee relations

Case management

HR policies and procedures

Employment law

Data reporting

Data analysis

Communication

Stakeholder management

Teamwork

Proactive

Tools

Excel

Job description

Introduction

At Gallagher, we help clients face risk with confidence because we believe that when businesses are protected, they’re free to grow, lead, and innovate. You'll be backed by our digital ecosystem: a client-centric suite of consulting tools making it easier for you to meet your clients where they want to be met. Advanced data and analytics providing a comprehensive overview of the risk landscape is at your fingertips. Here, you’re not just improving clients' risk profiles, you’re building trust. You’ll find a culture grounded in teamwork, guided by integrity, and fueled by a shared commitment to do the right thing. We value curiosity, celebrate new ideas, and empower you to take ownership of your career while making a meaningful impact for the businesses we serve. If you’re ready to bring your unique perspective to a place where your work truly matters; think of Gallagher.

Overview

We are looking for an experienced and proactive Senior HR Advisor to join us on a 12-month fixed-term contract, supporting our Corporate Functions teams. In this role, you will deliver high-quality HR advice and support to managers and employees, with a focus on driving best practices and implementing commercially aligned solutions. With a strong emphasis on employee relations, you will manage complex cases, support restructuring initiatives, and oversee key annual HR processes, ensuring effective and professional outcomes.

How you'll make an impact

• Provide expert HR advice and supportto managers and employees, ensuring best practices are followed and business needs are met.
• Manage complex employee relations cases, including absence, disciplinary, grievance, performance, and sickness, while offering clear guidance on policies, procedures, and employment law.
• Coach and mentor managersto build their confidence and enhance their people management skills, enabling them to handle HR matters effectively.
• Lead restructuring activities, office closures, and relocations by supporting consultations, preparing documentation, and guiding employees through the process.
• Support annual HR processes, including performance management, pay reviews, and benefits enrolment, ensuring accuracy and timely delivery.
• Collaborate with colleagues across teamsto deliver a seamless and high-quality HR service, ensuring continuity and consistency.
• Produce and analyse HR data reportsto support decision-making and track casework effectively.
• Contribute to continuous improvement initiatives, helping to enhance HR services and processes.

About You

• You have strong experience in employee relations and case management, with a proven ability to handle complex and sensitive cases.
• You’re confident in providingexpert advice on HR policies, procedures, and employment lawto managers and employees.
• You’re a skilled communicator who canbuild trust and influence stakeholders at all levels.
• You’re highly organised, with the ability to manage competing priorities in a fast-paced environment.
• You have experience supportingrestructuring activities, office closures, or relocations, including consultations and employee support.
• You’re comfortable working with data, producing reports, and using tools like Excel to track and monitor casework.
• You’re a team player who enjoyscollaborating with colleaguesto deliver a high-quality service.
• You’re proactive, adaptable, and passionate about helping people succeed.
• Eligble to work in the UK

Compensation and benefits

At Gallagher, we believe supporting our colleagues goes far beyond the role itself. For more information, visit our Benefits page.

• Competitive compensation
• Comprehensive benefits programs designed to support your well-being
• Career development opportunities and ongoing learning
• A collaborative, people-first culture with accessible leadership
• The opportunity to do meaningful work with global reach and local impact

At Gallagher, we are dedicated to building an inclusive and authentic workplace.

If your past experience doesn’t align perfectly, we encourage you to join our Talent Community to stay connected to additional career opportunities.

Although this role is listed as full-time, if you’re in a job-share partnership, work reduced hours, or have any other flexible arrangement, please still get in touch. We will also offer reasonable adjustments to the recruitment process if required, so please let us know.

Gallagher is an affirmative action/equal opportunity employer (Minorities/Females/Veterans/Disabled)