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HR Onboarding Assistant

Job in Cardiff, Cardiff City Area, CF10, Wales, UK
Listing for: TSR Legal
Full Time position
Listed on 2026-02-09
Job specializations:
  • HR/Recruitment
    Employee Relations
  • Administrative/Clerical
    Employee Relations, Data Entry, Clerical
Salary/Wage Range or Industry Benchmark: 26000 GBP Yearly GBP 26000.00 YEAR
Job Description & How to Apply Below

Overview

HR Onboarding Assistant
Salary: £26,000 DOE

TSR Legal is pleased to be working on behalf of a growing and progressive law firm that is looking to recruit a Payroll & HR Onboarding Assistant. This is an excellent opportunity for an organised and detail-focused individual to join a busy operations function and play a key role in payroll processing and the employee onboarding experience. The successful candidate will support accurate payroll administration while helping to deliver a smooth, professional and welcoming onboarding journey for new starters in a fast-paced and people-focused environment.

The Role

This position is responsible for supporting payroll processes and providing day-to-day HR and onboarding administration, working closely with the Operations Manager.

Key Responsibilities

Payroll Support

  • Processing and updating the staff database
  • Preparation and processing of the monthly payroll
  • Maintaining accurate and up-to-date payroll records
  • Liaising with team leaders to ensure salary payments, deductions and benefits are accurate
  • Responding to employee payroll and payslip queries
  • Submitting monthly pension contributions
  • Supporting pension re-enrolment processes

HR & Onboarding Coordination

  • Providing general HR support to the Operations Manager
  • Coordinating pre-employment checks, including right-to-work documentation and references
  • Ensuring accuracy of employee information for both new and existing staff
  • Preparing and issuing offer letters and employment contracts
  • Ordering IT equipment and ensuring readiness for new and existing employees
  • Scheduling induction sessions with team leaders and supporting a positive onboarding experience
  • Maintaining onboarding trackers and ensuring all documentation is completed and filed
  • Acting as a point of contact for new starters throughout their onboarding journey
  • Handling initial HR enquiries

General Administration

  • Maintaining accurate employee records within HR systems
  • Supporting reporting and audits related to payroll, onboarding and employee exits
  • Assisting with continuous improvement of payroll and onboarding processes
  • Providing general administrative support to the Operations Manager
About You

The ideal candidate will have:

  • A minimum of one year's experience in payroll administration
  • Previous experience in HR administration (desirable)
  • Strong organisational skills with excellent attention to detail
  • Confident communication and interpersonal skills
  • Proficiency in Microsoft Office 365, including Word, Excel and PowerPoint, and experience using HR/payroll systems
  • The ability to handle confidential and sensitive information with discretion
What's on Offer
  • Starting salary of £26,000
  • 25 days' annual leave, plus bank holidays
  • Birthday leave
  • The opportunity to join a growing law firm with a supportive and collaborative culture
How to Apply

For further information or to apply for this role, please contact Rachel Phillips in confidence at TSR Legal: #removed# /

#removed#

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