Accounts Assistant

Head office - High St, Rickmansworth, WD3 1RH
Senior plc - Rickmansworth
Senior plc
Vacancy title
Accounts Assistant
Head office - High St, Rickmansworth, WD3 1RH
Advertised salary
Competitive Salary and Benefits Package
Employment type
Working pattern
Monday to Friday - 37.25 hours per week
Closing date
31 July 2024

Company Overview

Senior plc is a FTSE 250 international manufacturing Group with 26 operations in 12 countries and around 6,700 employees; total Group revenue in 2023 was £964m.  The company is listed on the main market of the London Stock Exchange (symbol SNR). 

We design and manufacture high technology components and systems for the principal original equipment manufacturers in the worldwide aerospace and defence, land-vehicle and power & energy markets.

Senior's Purpose is to ‘help engineer the transition to a sustainable world for the benefit of all our stakeholders.’

We have a long history of well-respected brands and an excellent reputation in our key market sectors. Senior delivers value to its customers and shareholders via operational excellence that is underpinned by its people and processes.

Its operating structure is de-centralised and entrepreneurial, with strong lean head office functions, including Group Finance. The Head Office is based on Rickmansworth High Street, on the outskirts of London, within a 10 minute walk from Rickmansworth station on the Metropolitan line. The Head Office has approximately 50 employees and 400 vendors.

Visit us at

The Role:

The main purpose of this role is to run the end-to-end accounts payable and expenses process for the Senior Plc head office cost centre.

SAP Concur is used throughout the invoice and expense process so the candidate will be seeking out efficiencies within that system and supporting and training the users.

The role is key in ensuring that invoices and expenses are processed accurately and in a timely manner. This will involve regular interaction with the functions within the Head Office.

Another key aspect of the role is the processing of payroll using Sage, which is a shared responsibility with the Head Office Accountant.

Reporting to: Head Office Accountant

Key Responsibilities:

Accounts Payable (AP) Process

  • Review, assign and process invoices in SAP Concur
  • Review, assign and process expenses in SAP Concur
  • Assess the most appropriate VAT treatment
  • Make recommendations to continuously improve across the entire accounts payable process
  • New vendor setup and verification checks
  • Prepare monthly and adhoc AP supplier bank payments, including resolving payment approver queries
  • Resolve queries from users of the Concur expense and invoice system
  • Liaise with Concur support to resolve system functionality queries
  • Provide user training for Concur including inducting new starters on expenses and invoice process
  • Generate and review reports in Concur
  • Update Concur mileage rates quarterly in Concur
  • Prepare the following monthly reconciliations: AP ledger, employee expenses, cash advance and supplier statement reconciliations
  • Post monthly cash transactions for Head Office bank accounts into Sage Intacct
  • Prepare interest and intercompany bank payments
  • Prepare monthly bank reconciliations

Other Head Office Responsibilities

  • Prepare and process Payroll, which is a shared responsibility with the Head Office Accountant
  • Prepare monthly trial balance and management reporting packs for various UK Holding Companies
  • Maintain petty cash and foreign currency floats
  • Prepare intercompany invoices and post into Sage Intacct
  • Maintain the fixed asset register on a monthly basis

Skills and Experience:


  • SAP Concur experience - processing invoices and employee expenses
  • Excellent attention to detail, acting with highest levels of integrity
  • Strong organisational skills
  • Confident and a good collaborator
  • Self-motivated and ability to work well under tight timescales
  • Proficient Excel skills
  • Inquisitive mindset


  • Sage payroll experience – running payroll end-to-end
  • Sage Intacct experience - posting journals, running reports
  • Working towards a financial qualification, for example AAT

 Pay and Benefits:

  • Competitive salary
  • Generous bonus scheme
  • Excellent Pension scheme
  • Private Healthcare
  • Life assurance
  • Income Protection cover
  • Employee Assistance Programme (EAP)
  • Financial Wellbeing Programme
  • Onsite parking
  • Daily lunch
  • Informal (non-contractual) flexible/hybrid working