Payroll Specialist in London

About Millennium

Millennium is a global, diversified alternative investment firm, founded in 1989.

Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.

Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning.

With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time.

Discover how transformative growth accelerates impact.

Meet the Team

The Human Resources Department delivers high-touch, impactful solutions across the full spectrum of HR disciplines, helping optimize organizational performance and foster an environment that attracts, engages, and retains exceptional talent.

The International Payroll team supports non-US payroll operations across EMEA and APAC, managing more than 30 payrolls for over 3,000 employees as the firm continues to expand into new entities and countries.

• What You’ll Do
• Manage the end-to-end monthly payroll cycle for multiple EMEA countries, ensuring accurate and timely delivery from payroll cutoff through payment.
• Prepare, validate, and submit payroll inputs, including new hires, leavers, compensation changes, one-time payments, benefit deductions, leave of absence, and holiday pay.
• Review gross-to-net, variance, and payment reports; investigate discrepancies and resolve issues with the payroll provider before approval.
• Calculate and process termination payments, holiday payouts, and other payroll adjustments in line with local legislation and firm policy.
• Prepare and reconcile funding requests for net pay, tax, and social security obligations to ensure employees and authorities are paid accurately and on time.
• Support month-end finance activities, including general ledger reviews and payroll reconciliations, while maintaining clear records and audit trails.
• Partner with the payroll provider on statutory filings, year-end processes, benefits, pension enrollment, and implementation of legislative changes across covered countries.
• Serve as a trusted point of contact for employees and stakeholders, while identifying opportunities to strengthen controls, streamline processes, and automate manual work.

What You Bring

• 5+ years of hands-on payroll processing experience, ideally supporting payrolls across multiple countries.
• Strong knowledge of UK payroll, including PAYE, National Insurance, statutory payments, pensions and auto-enrollment, and termination payments.
• Experience working with an outsourced or multi-country payroll provider; Cloud Pay and Workday experience are desirable.
• Advanced Excel skills, including lookups, pivot tables, and reconciliations, with an interest in automation and new tools.
• Exceptional attention to detail and a rigorous approach to reviewing, reconciling, and maintaining confidential payroll data.
• Ability to prioritize multiple payrolls and competing deadlines in a fast-paced, changing environment without compromising accuracy.
• A proactive, curious mindset and the confidence to challenge existing processes and recommend practical improvements.
• Clear, professional communication skills and a collaborative approach to working with employees and stakeholders at all levels; CIPP qualification, or progress toward one, is desirable.