Job Description
People Transformation & Systems Manager
Application Deadline: 27 July 2026
Department: IT
Employment Type: Permanent - Full Time
Location: London
Mountain Warehouse is continuing to evolve and modernise its People function, processes, and systems, with a strong focus on improving colleague experience, operational efficiency, and organisational capability across the business.
We are looking for an experienced People Transformation Manager to support the delivery of strategic and operational change initiatives across the People function. Reporting into the Head of People Transformation, this role will play a key part in coordinating and delivering transformation activity across Core People, Talent Acquisition, Learning & Development, Internal Communications, and People Systems.
The successful candidate will help drive the execution of the People roadmap, ensuring programmes, systems, processes, and stakeholders remain aligned to business priorities and future growth plans.
A key focus of the role will be supporting the continued development and optimisation of our People technology landscape, including Dayforce (HRIS & LXP) and Pinpoint (ATS). While these platforms are already live, there remains significant opportunity to enhance functionality, improve processes, support integrations, and drive adoption across the business.
Key Responsibilities
The role will work closely with People teams, Technology teams, SMEs, third-party partners, and business stakeholders to coordinate change activity, support system enhancements, and help ensure successful delivery of transformation initiatives.
People Transformation & Delivery
- Create and coordinate the delivery of the People transformation roadmap and operational improvement initiatives across the People function
- Coordinate project plans, timelines, actions, and dependencies across multiple People workstreams
- Work closely with the People leadership teams to support prioritisation and delivery of key initiatives
- Track progress across programmes and provide regular updates on milestones, risks, and delivery status
- Identify opportunities to improve processes, colleague experience, and operational efficiency across People teams
- Support the development of consistent project governance, documentation, and delivery approaches across transformation activity
People Systems & Continuous Improvement
- Coordinate the ongoing enhancement and optimisation of the People systems landscape, including Dayforce (HRIS & LXP) and Pinpoint (ATS)
- Support system enhancement activity, configuration updates, testing, and rollout of new functionality and modules
- Work closely with system owners, SMEs, Technology teams, and third-party providers to support implementation and issue resolution activity
- Assist with the ongoing improvement of integrations between Dayforce, Pinpoint, and other business systems
- Support data quality, reporting improvements, process consistency, and system governance across the People technology landscape
- Act as a key point of coordination between operational People teams and technical delivery teams
Change Management & Stakeholder Coordination
- Support the delivery of People transformation initiatives from planning through to implementation and adoption
- Coordinate stakeholder engagement activity across People, Technology, Payroll, Finance, Retail, and external partners
- Support communication and change management activity to help drive successful adoption of new systems, processes, and ways of working
- Assist with process mapping, process improvement, and identification of opportunities for greater efficiency and optimisation
- Coordinate cross-functional activity across multiple stakeholders, ensuring timelines, risks, and dependencies are effectively managed
- Ensure project activity is appropriately documented, communicated, and embedded into operational teams
- Support continuous improvement activity by capturing feedback, lessons learned, and evolving business requirements
We would like to meet someone who is
We are looking for someone who is highly organised, collaborative, and comfortable operating in a fast-paced environment with multiple priorities and stakeholders.
You will bring experience in People transformation, systems, or programme delivery, alongside strong stakeholder management and change coordination skills. You will be comfortable working across operational and technical teams and supporting the successful delivery of business change initiatives.
Skills and Experience
- Experience in a People Transformation, HR Systems, Programme Delivery, or Change Management role
- Experience coordinating cross-functional projects and transformation initiatives
- Good understanding of HR / People processes and operational environments
- Experience working with HR systems such as Dayforce, Workday, Oracle, or similar platforms
- Experience supporting system implementations, enhancements, integrations, or optimisation initiatives
- Understanding of HRIS, ATS, LXP, and wider People technology ecosystems
- Strong stakeholder management and communication skills
- Experience working with third-party vendors, implementation partners, and external stakeholders
- Strong organisational skills with the ability to manage multiple priorities simultaneously
- Proactive, pragmatic, and delivery-focused approach
- Strong problem-solving, coordination, and facilitation skills
- Experience within retail or fast-paced multi-site environments would be advantageous
Benefits
- Competitive salary and benefits package
- Hybrid working, 3 days in London based office & 2 working from home
- Holiday allowance
- 50% staff discount & 25% for family and friends
- Pension scheme