HR Project Manager – HR & Payroll Systems Implementation

Location: Hybrid (2 days a week in London Bridge Office)
Salary: £260-£290 per day (depending on experience) through a privately limited company, outside IR 35
Full-time Contract: Until 31/12/2025

Start date: ASAP – Latest of Tuesday 29th of July

Goodman Masson are delighted to exclusively partnering with a globally recognised organisation dedicated to advancing sexual reproductive health care rights and justice, including safe abortion, across diverse communities worldwide. This impactful International NGO is seeking a HR Project Manager. Reporting to the Global Head of HR Operations, Rewards & Benefits, your primary focus will be selecting a new suitable Global Payroll provider, leading the successful implementation of this new payroll system, from beginning to finish, and ensuring it operates smoothly with their current HRIS, Personio.

Ready to lead a transformational global HR systems project with real impact?
We’re on the lookout for an experienced HR Project Manager to play a key role in the implementation of a new people and payroll system – a game-changing initiative at the heart of this International NGO’s HR operations.

This is more than just a project – it’s an opportunity to shape how HR services are delivered across a truly global organisation, working with passionate stakeholders, cutting-edge technology, and a mission-driven team.

Key responsibilities:

You’ll take the lead on delivering HRIT projects from the ground up – planning, coordinating, and executing a smooth implementation of people and payroll systems. You’ll be responsible for managing the day-to-day delivery of these projects, ensuring deadlines are met and stakeholders are engaged, informed, and aligned at every step.

• Lead the selection process of a new Global Payroll System, suitable and tailored to the International NGOs needs
• Oversee the full implementation cycle of people and payroll systems – from data gathering and migration through to training and optimisation.
• Proactively manage HR project delivery, with a clear focus on communication, progress updates, and unblocking dependencies.
• Build strong, collaborative relationships with global People Partners, tech suppliers, IT, Finance and more – translating requirements into solutions and ensuring system rollouts hit the mark.
• Ensure global compliance and effective data governance throughout the process.
• Support training and change management so our HR teams are confident, capable, and future-ready.

Essential experience:

• Proven experience delivering HR and payroll system implementations – You’ve led HR tech projects from planning to fully operational delivery.
• Excellent stakeholder management skills – You know how to engage, influence and keep everyone in the loop.
• Hands-on HR project management expertise – From coordinating meetings to managing complex workstreams, you keep things moving and aligned.
• Proactive communication style – You don’t wait to be asked; you’re ahead of the curve, flagging needs and updates with clarity and confidence.
• Experience in a complex and international organisation – a deep understanding of HR operations, data, and compliance – ideally in a global setting and working with international teams

You’ll also bring:

• A solid grasp of project management tools (MS Project, SharePoint, Visio etc.)
• Passion for improving HR systems and processes
• Strong analytical, organisational, and decision-making skills
• A collaborative, forward-thinking mindset

The latest possible start date for this role is next Tuesday 29th of July, therefore, we are looking for those who are available at less than a week’s notice. If you a have all of the essential experience clearly detailed in bullet point form in your CV under the previous organisations you completed them at, then please send them to my email address: or give me a call at 02073240585.