HR and Payroll System Implementation Lead

HR and Payroll System Implementation Lead

This role is for an HR and Payroll System Implementation Lead, a 12 month contract with a pay rate of £60,000 - £75,000 per annum. Key skills include HRIS implementation, data migration, and project management. Hybrid work with occasional travel required.

United Kingdom

Core Responsibilities

• Group wide System Implementation and Integration - Lead the end to end group wide implementation and integration of HiBob modules and a new Payroll system across five distinct jurisdictions.
• Configure and maintain robust integrations between HiBob, Payroll, finance and SuccessFactors to ensure data parity and governance across the Group.
• Design and build automated, localised workflows (recruitment, onboarding, performance, core HR, leave management) that account for regional labour laws and cultural nuances.
• Configure system rules for HR policies, user access and security permissions, ensuring all systems connect correctly and data flows accurately and consistently.
• Manage and mentor one People Data Analyst, ensuring their work aligns with the rigorous project timelines.
• Ensure that the system is built in line with requirements from the parent company for data consistency and transparency purposes.

Data Strategy and Migration

• Ensure accurate data cleansing by auditing legacy data across all five countries to ensure consistency before migration.
• Oversee the validation and secure transfer of diverse employee datasets from disparate legacy systems into the new global system architecture.
• Define and execute a data archiving strategy for decommissioned systems, ensuring compliance with global data protection and privacy regulations (e.g. GDPR).

Project Management and Governance

• Act as the primary liaison with external consultants and technical teams within the parent group in Singapore and external software vendors.
• Develop and manage a 12 month implementation roadmap, tracking milestones in line with project timescales, managing risks to ensure the project stays on time, on budget and meets business needs.
• Lead the User Acceptance Testing phase, ensuring localised versions of the system are bug free and fit for purpose in every territory.
• Ensure project governance and data compliance with Data Protection Legislation, tax and pension rules including audit trails.

Payroll Implementation

• Work with vendors to ensure integration between the HR, payroll and finance systems.
• Fix system issues that could affect employee pay, working with payroll staff to resolve discrepancies.
• Deliver parallel pay runs, check and resolve system errors before employees are paid.
• Review pay, pension and deduction rules to ensure the HR system is integrated with the new payroll system.

Change Management, Adoption and Training

• Troubleshoot system issues as the first point of contact when HR, payroll, finance or managers have system problems.
• Develop a change management plan to drive system engagement globally to ensure managers adopt new workflows and employees use self service tools.
• Create training materials and lead sessions (virtual and/or in person) for HR, managers and employees.
• Ensure the People Team understands the new system and is up skilled to build workflows.
• Test new system features and implement upgrades to improve automation.
• Set up KPIs to ensure the HR and payroll systems deliver useful data to leadership and the parent company including headcount analytics, workforce planning, payroll cost dashboards and turnover trends.

Essentials

• Hands on, proven experience leading end to end HRIS and payroll system implementations.
• Skilled in configuring HRIS platforms (experience with HiBob or SuccessFactors is highly advantageous).
• Strong understanding of HR, payroll and data workflows, including compliance with global data protection regulations and integration with finance systems.
• Proven ability to manage complex data migration projects including cleansing, validation and reconciliation.
• Confident in testing system upgrades, troubleshooting issues and ensuring end to end data integrity.
• Strong data analysis capability, with experience producing meaningful dashboards and MI reports.
• Experience owning large scale digital transformation projects with clear timelines, milestones and governance structures.
• Skilled in working with external vendors, technical teams and implementation partners, with the ability to influence and collaborate with senior stakeholders across multiple countries and time zones.

About You

You're an autonomous, technically skilled specialist who thrives by owning complex system implementations from start to finish. You combine a strong command of HRIS and payroll technologies with the confidence to make informed decisions, solve problems independently and keep the project moving at pace. You're comfortable being the go to expert and you take pride in delivering work that is exceptionally accurate, reliable and thoughtfully designed with employee experience in mind. You balance technical depth with excellent people skills, translating complexity into clarity and building trust across HR, payroll, finance and international teams. You're proactive, solution focused, and maintain a steady, organised approach throughout the project. You influence and coach others patiently, support teams to build their capability so the system remains robust and well used long after go live. Above all, you take ownership, deliver on your commitments and bring a positive, can do mindset to every challenge. You care about creating systems that genuinely help people work better and you're motivated by building something robust, transparent and future ready for the whole of CMAC Group.

Interested in Applying?

If this role sounds like the right next step for you, please send your CV and a covering letter to by Monday 6th April 2026. Tell us what makes you stand out and the skills and experience you'd bring to the role - we're excited to learn more about you and what you can bring to CMAC Group.

About Us

CMAC Group is a fast growing leader in global passenger transport and accommodation solutions - trusted by airlines, rail operators, major corporations and emergency breakdown providers to keep people moving safely and seamlessly, 24/7/365. Since 2007, we've built a powerful technology led aggregation platform that connects clients to a vast, reliable global supply network, enabling us to move over 5 million passengers every year across the UK, Europe and beyond. Our portfolio of specialist brands includes CoachHireComparison.co.uk, and CheckedSafe, which gives us unmatched capability to coordinate transport and accommodation at scale, even in the most complex or time critical situations. Backed by ComfortDelGro, one of the world's leading mobility groups, CMAC continues to operate with the agility and innovation of an independent business while benefiting from the strength, stability and global reach of a major international parent company. At CMAC, you'll join a team that thrives on solving real world challenges, shaping the future of mobility and delivering exceptional service when it matters most. If you're driven, curious and excited by meaningful impact, you'll feel right at home here.

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