HR Manager (Part-Time)

Adecco • Temporary • London, Greater London, England, United Kingdom • £24 - £25 / hour • 6h ago

Job Title: HR Manager (Part-Time)

Location: Charing Cross, London (fully office-based)
Pay Rate: £24.00-£25.00 per hour
Type: Temporary
Duration: Ongoing (until permanent hire; potential to go permanent)
Start Date: ASAP (handover period required)
Working Hours: Part-time, 24 hours per week (across 3 days - flexible on days)

Overview

We are seeking an experienced and hands-on HR Manager to join a high-performance, fast-paced professional services environment. This is a broad generalist role where you will act as the primary HR contact for the London office, working closely with senior leadership and collaborating with an international HR team. The role combines operational HR delivery with the opportunity to contribute to strategic people initiatives, including recruitment, performance management, employee engagement, and culture. This position is well suited to a confident HR professional who thrives in standalone roles and enjoys working with senior stakeholders.

Key Responsibilities

HR Business Partnering & Leadership Support

Act as the primary HR contact for the London office
Provide expert HR advice and support to managers and employees
Partner closely with senior leadership on both day-to-day and strategic HR matters
Support initiatives to enhance culture, engagement, and leadership effectiveness
Contribute to building and maintaining a high-performance culture

Recruitment & Onboarding

Manage end-to-end recruitment processes (job posting, screening, interview coordination, offers)
Liaise with external search partners and manage relationships
Support early careers and campus recruitment initiatives
Oversee onboarding processes to ensure a smooth and positive employee experience
Manage onboarding and coordination for incoming interns

Performance & Talent Management

Support and manage performance review cycles
Prepare reports and documentation for senior stakeholders
Assist with talent discussions, promotion readiness, and calibration processes

Employee Relations

Act as first point of contact for employee relations queries
Support performance management and probation processes
Liaise with external legal advisors on complex matters where required

Immigration & Compliance

Manage visa and sponsorship processes end-to-end
Ensure compliance with UK employment law and Home Office requirements
Partner with external advisors on complex cases

HR Operations & Systems

Maintain accurate HR records and systems
Prepare contracts, amendments, and employee documentation
Review and update HR policies and the employee handbook
Support ongoing improvement of HR processes and systems

Skills & Experience Required

Proven experience in a standalone or generalist HR role
Strong stakeholder management skills with the ability to influence senior leaders
End-to-end HR lifecycle experience (recruitment, ER, performance management)
Solid knowledge of UK employment law and HR compliance
Experience managing multiple priorities in fast-paced environments
High attention to detail and strong organisational skills
Confident working independently and making decisions
Strong written and verbal communication skills
Analytical and solutions-focused mindset

Desirable:

Experience in professional services, financial services, or similar high-performance environments
Exposure to visa sponsorship and immigration processes
Experience working with international teams
Familiarity with HR systems (e.g. Personio)
German language skills (beneficial but not essential)

Adecco acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers. The Adecco Group UK & Ireland is an Equal Opportunities Employer.

By applying for this role your details will be submitted to Adecco. Our Candidate Privacy Information Statement explaining how we will use your information is available on our website.

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