Senior HR Advisor

Aylesbury

Salary: £40,000 – £45,000 dependant on experience

Working Pattern: Hybrid (1 day remote per week)

Benefits:

• 25 days annual leave + bank holidays
• Westfield Health
• 5% employer pension contribution (matched)

We are looking for an experienced and proactive Senior HR Advisor to join our client in Aylesbury. They are an established engineering business with a strong heritage and ambitious plans for expansion. This is a pivotal role working closely with the Head of HR where you’ll act as a trusted number two, taking ownership of day-to-day operations and freeing up their strategic capacity at senior level.

The company is going through an exciting period of transformation, with a goal to double in size through organic growth and acquisitions. With a current headcount of 110+ and a diverse workforce across engineering, corporate, and manufacturing functions, the people agenda is both complex and rewarding.

You’ll be the key link between operational HR delivery and strategic goals, with a remit that spans employee relations, recruitment, policy development, and line manager capability building. This role offers the opportunity to genuinely make your mark and shape HR practices in a business where HR is truly valued by senior leadership.

Senior HR Advisor – About the role

• Acting as the go-to HR contact for operational matters, escalating appropriately to the Head of HR
• Providing practical and confident guidance to managers on employee relations, performance, absence, and policy interpretation
• Leading end-to-end recruitment for a variety of roles (from engineering to professional functions)
• Supporting the development of HR policies, procedures, and documentation
• Coaching and upskilling managers in effective people management
• Contributing to HR project work, including workforce planning and organisational change initiatives

Senior HR Advisor – About you

• Proven experience in a generalist HR Advisor or Senior HR Advisor role
• Comfortable working in a hands-on environment with changing priorities and operational pressures
• Able to manage end-to-end recruitment, ER casework, and policy development independently
• Strong communication skills with the confidence to challenge and advise managers at all levels
• Experience in a manufacturing or complex, busy environment would be beneficial
• CIPD Level 5 or equivalent preferred
• Comfortable using Excel and internal systems

This is a rare opportunity to step into a key HR role where you’ll be trusted, valued, and empowered to make real change. You’ll be joining at a critical point in the company’s growth journey — with exciting projects and transformation on the horizon. If you're looking to take on more responsibility, shape the future of HR in a growing organisation, and work closely with a strategic HR leader, this could be the perfect move.

For more information, please contact Jacqui Wall on 0203 800 1500