HR Advisor

Salary: Equivalent to £35,000 per annum

Hours: 37.5 hours per week

Location: Westminster, London (1–2 days per week in the office)

Start: ASAP

Contract: Temporary

About the Role

We are delighted to be supporting a well‑known, highly respected charity in Westminster as they look to bring on board an experienced HR Advisor for a temporary assignment.  Initially 3 months but could be longer.

This is a fantastic opportunity for a confident HR generalist who can hit the ground running and provide high‑quality support across the full employee lifecycle, with a particular focus on employee relations casework.

Key Responsibilities

• Managing a varied ER caseload including disciplinaries, grievances, sickness, performance and capability.
• Providing clear, pragmatic HR advice to managers in line with policy and best practice.
• Supporting with HR processes such as probation reviews, contract changes, onboarding, and general HR administration.
• Ensuring accurate and timely documentation and case notes.
• Building strong working relationships across the organisation, supporting managers to make fair, consistent people decisions.

About You

To be successful in this role, you will need:

• You must have worked in a UK HR function and have strong UK employee relations experience
• Strong HR generalist experience, ideally within a fast‑paced or complex environment
• Solid background in employee relations with confidence managing cases from start to finish.
• Up‑to‑date knowledge of UK employment law and HR best practice.
• Excellent communication and stakeholder‑management skills.
• Ability to work autonomously, prioritise effectively, and quickly build trust.

What’s on Offer?

The chance to work with a well‑established charity making a real difference.

Hybrid working with 1–2 days a week in the Westminster office.

A supportive team environment and the ability to add real value during a busy period.

If you're an experienced HR Advisor available at short notice and looking for your next challenge, we’d love to hear from you. Please note you must be able to start wc 2^nd February 2026.

Apply now or contact Jacqui for more information 0203 8001500