HR Advisor Location: Horsham, West Sussex Salary: £35,000 – £40,000 per annum Hours: 37.5-hour working week, Monday to Friday Role Purpose Our client is a leading UK-based design and manufacturing business specialising in advanced electro-mechanical systems for the defence sector. With a strong reputation for precision rotary mechanisms used in surveillance and fire control solutions, the company is committed to driving innovation, quality, and excellence in everything it does. We are seeking a HR Advisor to deliver a broad range of HR generalist responsibilities across the full employee lifecycle, supporting the HR department’s objectives and ensuring compliance, consistency, and best practice. Key Responsibilities as HR Advisor Manage diverse employee relations casework including disciplinary, grievance, performance, capability, absence, and flexible working, ensuring early resolution and legally compliant outcomes. Provide timely, high-quality advice and coaching to managers on HR policies, procedures, and legislation. Maintain current knowledge of UK employment law, HR best practices, and sector trends, applying updates to policies and processes. Review, update, and develop HR policies to ensure legal compliance and organisational relevance. Design and deliver HR training to build managerial capability in people management. Compile HR reports, metrics, and workforce data to support decision-making.Skills and Experience (Essential) CIPD Level 5 qualification with proven experience as a HR Advisor. Significant experience managing complex employee relations casework independently. Good knowledge of UK employment law and HR best practice. Experience designing/delivering training and upskilling managers. Proven ability to produce HR reports and metrics.Personal Attributes Demonstrates company values: Teamwork, Integrity, Excellence, Courage. Highly organised, methodical, and detail-focused. Flexible, conscientious, and diligent with excellent interpersonal skills. Builds strong, trusted relationships across the business. Resilient, adaptable, and committed to continuous improvement.Benefits: A comprehensive benefits package is available to support your wellbeing, professional development, and work-life balance. Security Clearance: Applicants must be eligible for UK Security Clearance, requiring UK residency for at least five years, identity verification, and employment history checks. For more information about the HR Advisor role, please reach out to Kate Taylor at Holt Engineering or apply directly