HR Manager – Maternity Cover (21 hours per week)

Cassini Systems Ltd; Greater London; Hybrid; GBP 34,000 - 36,000; Part time

Job summary

Cassini Systems Ltd in London is seeking an experienced HR generalist to cover maternity leave for 12 months. The role is part-time at 21 hours per week, spread across Monday to Thursday, with hybrid working from the London office.

You will report to the Business Operations Manager and may supervise the Chennai HR Advisor. Responsibilities include recruitment support, inductions and departures, policy updates, coaching managers, and coordinating performance reviews and development, plus managing

Qualifications

• Broad generalist HR experience with UK employment law knowledge.
• Experience in a growing international tech, fintech, or professional services firm.
• Strong organisational, stakeholder communication, coaching, and discretion skills.
• Degree or CIPD qualification and junior-team supervision are desirable.

Responsibilities

• Report to the Business Operations Manager and supervise the Chennai HR Advisor.
• Support recruitment, induction and departures; update policies; coach managers.
• Coordinate performance reviews and development; advise on employee relations, pay and benefits.
• Maintain confidential records and HR reporting; deliver people projects with leadership.

Skills

HR Generalist

UK Employment Law

Stakeholder Management

Coaching

Discretion

Education

Degree or CIPD qualification

Job description

Role and terms

Cassini seeks an experienced HR generalist for 12 months of maternity cover, starting 2 November 2026. Work 21 hours across Monday-Thursday, with hybrid working in London. Office attendance frequency needs confirmation.

Pay

Advertised FTE: £60,000-£65,000 annually. £33,600-£36,400 for 21 hours

Responsibilities

Report to the Business Operations Manager and supervise the Chennai HR Advisor. Support recruitment, induction and departures; update policies; coach managers; coordinate performance reviews and development; advise on employee relations, pay and benefits; maintain confidential records and HR reporting; deliver people projects with leadership.

Experience

Bring substantial generalist HR responsibility, UK employment-law knowledge and experience in a growing international technology, fintech or professional-services business. Strong organisation, stakeholder communication, coaching and discretion matter. A degree/CIPD qualification and junior-team supervision are desirable.