Payroll Specialist

  • Randstad Inhouse Services
  • Oct 16, 2025
Contractor Accounting

Job Description

We are seeking an experienced Payroll expert to support a critical payroll transition project following a business acquisition. This role is pivotal in ensuring a smooth transfer of approximately 300 employees to a new payroll entity using ADP UK. You will work closely with internal stakeholders, the buyer, and ADP to ensure payroll accuracy, compliance, and continuity.

Interim Payroll Specialist/Manager (Agency Worker)

Location: Hybrid (Swindon-based)
Contract: ASAP - 31 December 2025 (potential to extend)
Hours: Minimum 18 hours/week (flexible), full-time considered for the right candidate
Rate: Based on pro-rated salary of 30,000- 40,000 p.a. (dependent on experience)

Key Responsibilities

  • Support the payroll transition and setup of a new entity in ADP UK.
  • Ensure accurate and compliant payroll processing for the go-live month of December.
  • Develop and document clear process flow maps for new payroll procedures.
  • Implement robust processes to capture variable pay, benefits, and pensions.
  • Attend and contribute to ADP UK integration calls and seller stakeholder meetings (and other calls as necessary).
  • Provide knowledge transfer and support to the internal HR team.
  • Own decision-making during the HR Manager's leave (15-28 November), in conjunction with the buyer.
  • Perform detailed payroll checks and validations.
  • Operate autonomously with confidence and clarity.
  • Provide flexible support to meet business needs, with reciprocal flexibility offered.

Essential Skills & Experience

  • Proven experience in payroll management.
  • Hands-on experience with ADP UK, including setting up new entities and transferring payrolls.
  • Strong Excel skills for data management and analysis.
  • Ability to create process documentation and flowcharts.
  • Detail-oriented with a commitment to payroll accuracy.
  • Confident decision-maker with autonomous working capability.

Desirable Skills

  • Experience with iCHM.
  • Exposure to TUPE payroll transfers.
  • Broader HR operational knowledge.
  • Strategic payroll experience and ability to see the bigger picture.

Additional Information

  • Some administrative support will be available for transactional tasks.
  • Flexibility in hours and days is offered and expected.
  • On-site or hybrid working available.