SAP Implementation Project Manager

Colas Ltd is a UK subsidiary of the global Colas Group, operating in over 50 countries and employing more than 55,000 people worldwide. The company specialises in highways construction, high‑profile overseas infrastructure projects, and innovative surfacing product manufacturing. Colas is a Gold Investor in People, offering excellent career potential and a commitment to continuous employee development.

The Project Implementation Manager will lead the implementation of SAP Success Factors Payroll into Colas HR, overseeing end‑to‑end delivery from planning through post‑go‑live stabilisation.

• Define project scope, goals, timelines and deliverables, aligning with organisational strategy.
• Develop detailed project plans, resource forecasts and budget controls, establishing a governance framework and clear approval checkpoints.
• Collaborate closely with HR, Payroll, Finance and IT leaders, managing relationships with SAP and the implementation partner to meet SLAs.
• Lead steering committee and stakeholder meetings, providing transparent communication on progress, risks and dependencies.
• Configure and integrate SAP Success Factors Payroll with Employee Central, Time Tracking and Benefits modules, coordinating data migration, validation and transformation activities.
• Maintain compliance with local payroll regulations, data security and GDPR requirements.
• Develop and manage testing strategies (Unit, SIT and UAT), coordinate business user participation and oversee training material development.
• Drive stakeholder engagement and adoption through effective change management, ensuring post‑go‑live support structures are in place.
• Track and report on project milestones, risks, issues and KPIs, maintaining detailed documentation and conducting post‑implementation reviews.

• Degree in Business Administration, HR, Information Systems or a related discipline.
• At least five years managing large‑scale HRIS or payroll system implementations, with direct experience implementing SAP Success Factors Payroll.
• Strong record of managing integrations within the Success Factors suite and to external systems.
• Excellent stakeholder management, communication and vendor coordination skills.
• Strong problem‑solving, analytical and organisational abilities.
• Experience with SAP Activate methodology and project tools such as SAP Solution Manager, Jira, Smartsheet or MS Project is desirable.
• Good understanding of Microsoft 365 Suite, including Teams.

• A Salary between £60,000 - £70,000 (dependent on experience)
• Colas Pension Scheme has combined contributions of up to 10%
• Life Assurance Scheme, which is 4× basic salary
• 25 days annual leave per year + Public Holidays
• Holiday Purchase & Selling Scheme
• Hybrid Working Scheme (dependent role requirements)
• Ongoing personal/professional development
• Discounts on car leasing, holidays, cinema tickets, restaurants and more through our online employee portal

Colas culture is guided by four core values:
Respect
, Commitment
, Pioneering and Sharing
. These values shape how we work, collaborate and grow together, fostering fairness, transparency and inclusion across the business.

Colas Ltd is committed to building a diverse and inclusive workforce that mirrors the communities we serve. As an equal opportunity employer, we welcome applications from all backgrounds and strive to create a workplace where every voice is valued.

Colas Ltd is an equal opportunity employer. We welcome applications from all backgrounds and invite diverse perspectives to join our innovative team.