Senior HR Advisor

We are looking for an experienced Senior HR Advisor to join our Environmental Consulting HR team in a role where your advice, judgement and relationship-building skills will make a genuine difference. Supporting a diverse division of approximately 2,000 employees across multiple business units, this is a varied and influential role where your advice will make a genuine difference. You will work closely with managers and senior leaders, helping them manage employee relations, absence, performance and wider people matters in a fair, practical and commercially aware way.

You will become a trusted point of contact for day‑to‑day HR advice, balancing the needs of our people with the priorities of the business. Alongside managing your own casework, you will help strengthen manager confidence, improve HR processes and contribute to divisional people projects. This is a hands‑on Senior HR Advisor role for someone who enjoys trusted ER casework, practical manager coaching and improving how HR supports a large, varied consultancy environment.

• Leading a broad range of employee relations cases, including disciplinary, grievance, capability, probation, flexible working and performance management matters
• Supporting managers through investigations, hearings and appeals
• Advising on short-term and long-term sickness absence, occupational health referrals, return‑to‑work plans and reasonable adjustments
• Coaching managers to apply HR policies and procedures confidently, consistently and fairly
• Preparing clear, accurate and professional case correspondence and guidance
• Identifying risks and presenting practical recommendations on complex or sensitive matters
• Developing trusted relationships with managers and leaders across the division
• Working collaboratively with HR colleagues to maintain accurate records, contracts and documentation
• Contributing to HR projects, process improvements and new ways of working
• Helping us develop efficient, digital and data‑informed HR practices

• CIPD Level 5 qualification or equivalent experience
• Proven HR advisory experience, including responsibility for employee relations casework
• Strong working knowledge of UK employment legislation and HR best practice
• Experience managing disciplinary, grievance, absence and performance cases
• The ability to provide balanced, practical and commercially focused advice
• Excellent written and verbal communication skills
• Strong organisation and the ability to manage competing priorities
• Sound judgement and a professional approach to confidential and sensitive matters
• A full UK driving licence and willingness to travel when required

Experience gained within professional services, consultancy or a multi‑business environment would be beneficial. Exposure to organisational change, restructuring, TUPE or acquisitions would also be welcomed, as would experience of HR systems, management information and coaching managers.

• Trusted: providing clear, credible and balanced advice
• Collaborative: sharing knowledge and working effectively across different teams
• Commercially aware: understanding both business priorities and people‑related risk
• Supportive: helping managers approach difficult situations with confidence
• Resilient: remaining organised and effective when priorities change
• Improvement focused: always looking for ways to strengthen the HR service
• Professional: demonstrating integrity, discretion and sound judgement

Location and working pattern:
Full time, hybrid role, mainly working from home but with occasional travel to RSK offices nationwide.

• Salary: £35,000 – £40,000 depending on experience
• Pension: 4% Employer Contribution
• Annual Leave: 31 days (including bank holidays)…