Time & Attendance Project Support Analyst

HR Time & Attendance Implementation Specialist (Workforce Software)

Be part of our transformative HR systems journey.

We’re looking for an experienced and business-focused HR Time & Attendance Specialist to play a key role in the rollout of Workforce Software (WFS) across our organisation. This is an exciting opportunity to shape how we capture, manage, and optimise workforce time—ensuring a seamless transition into Business as Usual (BAU).

Working alongside the HRIS T&A Lead and cross-functional teams, you’ll bring a developed operational lens to system implementation—ensuring processes, policies, and compliance requirements are fully aligned.

What You’ll Be Doing

Own and Shape Business Processes

Provide business-led input into the configuration of WFS, including schedules, approvals, rules, exceptions, and balances
Ensure system logic reflects HR policies, operational needs, and UK Working Time Regulations
Validate data and support migration activities from Employee Central (EC), including business sign-off
Act as a key guardian of HR process integrity and governance

Lead Business-Focused Testing (UAT)

Develop and execute User Acceptance Testing (UAT) scenarios based on real business processes
Validate end-to-end workflows across timekeeping, scheduling, approvals, and payroll
Capture, track, and support resolution of defects from a business perspective
Maintain robust test documentation to support audit and compliance requirements

Support Payroll & Workforce Readiness

Validate payroll accuracy, including parallel runs, ensuring outputs align with expectations
Conduct pre-go-live HR checks, including data accuracy (e.g. TOIL balances, schedules)
Collaborate closely with HR Operations to ensure organisational readiness

Drive Cutover & Change Readiness

Execute HR-focused cutover tasks to ensure smooth system transition
Test cutover plans and sequencing with HR, IT, and Payroll stakeholders
Support communication and change management activities to drive adoption
Create clear SOPs, process documentation, and user guidance

Be a Go-Live Champion

Provide hands-on support during go-live and hypercare
Review initial payroll impacts and validate business outcomes
Support managers and employees with system queries
Participate in issue triage and resolution to ensure a stable transition
Maintain post-go-live guides and documentation

What We’re Looking For

Essential Experience

Hands-on experience with Workforce Software or similar T&A platforms (e.g. UKG/Kronos, Dayforce, Oracle, Workday, SAP)
Proven involvement in at least one full lifecycle T&A implementation or major enhancement
Strong understanding of timekeeping, scheduling, pay rules, and compliance from an operational perspective
Experience conducting UAT (script writing, execution, defect management)
Ability to engage senior stakeholders and support change across the business
Understanding of HRIS/T&A/Payroll integrations and data flows

Desirable Experience

Experience shaping Workforce Software configuration from a business perspective
Background in shift-based environments (e.g. retail, manufacturing, logistics, healthcare)
Knowledge of union rules, UK Working Time Regulations, or multi-country implementations
Experience supporting cutover and hypercare phases
Previous roles in HR Operations, Payroll, or Workforce Management

Why Join Us?

Play a pivotal role in a high-impact HR transformation programme
Influence how workforce processes are designed and delivered across the organisation
Collaborate with senior stakeholders and cross-functional teams
Be part of a project that drives real operational and employee experience improvementsIf you’re passionate about HR systems, thrive in transformation environments, and enjoy bridging the gap between technology and business processes—we’d love to hear from you.

Why Tarmac

We don't just offer a job, we offer a career.

Alongside this role, you'll have access to industry-leading rewards, development opportunities, and a culture that puts people first, including:

Bonus scheme
Enhanced holiday entitlement
Contributory pension scheme
Access to the Tarmac Reward website with discounts on retailers, holidays, etc.
Access to our Employee Assistance helpline for free and confidential advice
Access to join our Employee Communities (employee networks) we currently have nine communities inc.(REACH) Religious, Ethnic, Cultural Heritage, LGBTQ+, Parents & carers, Ability, Wellbeing, Female voice and menopause
Training and development opportunitiesTarmac is committed to being a Forces‑friendly employer.If you’re coming from a military background, we’ll support your transition and help you build a successful career with us.

We’re proud to be part of CRH, and even prouder to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for everyone.If you need any reasonable adjustments during the recruitment process, just let us know, we’re here to support you.

Ready to build your future?

Click ‘Apply’ to get started. Please note: we sometimes close roles early due to high interest, so don’t wait too long!

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Tarmac Trading Limited