Senior Human Resources Manager in Slough

12 Months fixed term contract. (Salary: Highly competitive, plus bonus), London. LMA Recruitment are delighted to represent our client, a highly successful London based investment firm in the West End who are seeking an outstanding Senior HR Manager to join a high performing and collaborative group of 30 employees, working across investment, operations, and portfolio management teams, with a strong culture of drive, integrity, and innovation.

Role Overview: This 12‑month maternity cover role blends strategic HR and People & Talent responsibilities to support the ambitions of the firm, its talent and growth. The postholder will be expected to translate HR priorities that enable growth, efficiency, compliance and engagement, as well as act as a trusted partner to the CFO, Partners, and senior leadership. The role is both strategic and hands‑on, requiring excellent organisational skills, judgement, confidentiality, and the ability to work proactively. This role reports into the CFO and is expected to work closely with the senior leadership within the firm. The successful candidate will work alongside the Executive Assistants and Virtual Assistant ensuring full business support and coverage.

People & Talent / HR c.80 - 90% anticipated time allocation

• Lead end‑to‑end recruitment across the UK and Europe, managing agency relationships and delivering a smooth hiring process.
• Own the full onboarding journey, including inductions, IT, compliance checks and probation management.
• Maintain and optimise the HRIS system, including workflow automation and internal communications.
• Manage annual and mid‑year performance review cycles, supporting development plans and performance conversations.
• Act as the first point of contact for employee relations, including disciplinary, grievance and absence management.
• Coordinate internal and external training programmes, including leadership development and specialist sessions.
• Support annual salary, bonus and promotion reviews, plus benefits administration, benchmarking and payroll coordination.
• Partner with leadership on organisational design, workforce planning, culture and engagement initiatives.
• Prepare people‑related reporting and materials for SMT, Board meetings and quarterly Townhalls.
• Manage the annual internship programme, ensuring DE&I best practice and a high‑quality candidate experience.
• Support multi‑jurisdiction policy governance, ensuring compliance with UK employment law and broader regulatory requirements.
• Drive engagement, reward & recognition initiatives, contributing to a positive and inclusive company culture.

Operations Management – c. 5 - 10% anticipated time allocation

• Coordinate IT governance and AI policy implementation across the business.
• Ensure appropriate resourcing across the wider support team (EAs/VA).

Key Skills & Experience:

• CIPD qualified or studying.
• 5+ years in HR/People Ops.
• Excellent organisational and project‑management skills.
• Confident communicator.
• Strong problem‑solver.
• Personable and adaptable.
• Strong attention to detail.
• Proficient in MS Office and HRIS systems.
• Understanding of employment law.
• Collaborative team player.

Our ideal candidate will be the stand alone HR go-to for the business, providing operational excellence across all aspects of the HR piece, working closely with senior leadership and used to transacting in high-performance environments, (eg. Private equity, VC, Investment firms, consulting, fintech). This is an amazing opportunity to join a fantastic company that is a leader in their field and affords a real chance to offer both operational and strategic input and work closely with senior leadership to deliver a seamless HR experience. Apply today for immediate screening.