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Mace

Accounts Payable Administrator - 6 Month FTC

London
Posted about 18 hours ago
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Accounts Payable Administrator (6 Month Fixed-Term Contract)

At Mace, our purpose is to redefine the boundaries of ambition. We believe in creating places that are responsible, bringing transformative impact to our people, communities and societies across the UK.

Within our construct business, we harness our unique combination of leading-edge practical expertise and project delivery consultancy to unlock the potential in every project.

Job Overview

We are seeking an experienced and detail-oriented Accounts Payable Assistant to join our supportive and energetic team on a 6 - month contract. This is a hybrid role, with three days per week based in our Moorgate head office.

This is an excellent opportunity for a proactive individual who thrives in a fast-paced environment and is capable of managing high-volume workloads with accuracy and efficiency.

Key Responsibilities

Accounts Payable Operations

  • Own assigned supplier incoming emails in the high-volume Accounts Payable email inbox, ensuring queries are accurately investigated and responded to
  • Process supplier and subcontractor invoices and credit notes using Basware, including PO, non-PO, and COMM4 invoices
  • Perform supplier statement reconciliations to ensure account accuracy
  • Support the preparation and upload of payment runs, including MCSS payments
  • Ensure assigned supplier invoices are processed, uploaded to Basware, and completed by end of day Tuesday to meet weekly payment deadlines

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Query & Stakeholder Management

  • Respond to supplier and internal queries via telephone, email, and face-to-face communication
  • Escalate supplier account issues to the Accounts Payable Manager where necessary
  • Conduct historical invoice searches using Outlook Online where required

Compliance & Controls

  • Carry out CIS checks for subcontractors, if needed
  • Assist with CIS returns for MCSS in line with regulatory requirements, if needed

General Administration

  • Open, sort, and distribute incoming finance post
  • Provide ad hoc support across the Accounts Payable team as required

Skills & Experience Required

  • Minimum of 3 years’ experience within an Accounts Payable function
  • Ability to work independently and effectively prioritise workload in a high-volume environment
  • Strong excel skills with experience of undertaking and resolving complex supplier reconciliations
  • Strong attention to detail and high levels of accuracy
  • Excellent numerical and analytical skills
  • Strong communication skills with a collaborative, team-oriented mindset
  • Experience with invoice processing systems (e.g. Basware) is desirable

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Working Arrangements

  • Contract length: Minimum 6 months
  • Location: Hybrid – 3 days per week in Moorgate office

Within our construct business, we harness our unique combination of leading-edge practical expertise and project delivery consultancy to unlock the potential in every project.

Our values shape the way we consult and define the people we want to join us on our journey, they are:

  • Safety first - Going home safe and well
  • Client focus - Deliver on our promise
  • Integrity - Always do the right thing
  • Create opportunity - For our people to excel

Mace is an inclusive employer and welcomes interest from a diverse range of candidates. Even if you feel you do not fulfil all of the criteria, please apply as you may still be the best candidate for this role or another role within our organisation.

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Skills

Accounts Payable
Supplier Reconciliation
Invoice Processing
Basware
Microsoft Excel
CIS Checks
Stakeholder Management
Numerical Analysis
Analytical Skills
Communication Skills

Location

London, England, United Kingdom

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