Working Student for Accounts Payable Administration & Purchase Order Coordination

Posting Start Date: 3 Aug 2026

Location: Darmstadt, DE

Company: Serco Plc

Job Purpose

The Accounts Payable Administrator & Purchase Order Systems Coordination role is a part-time working student position (20 hours per week) responsible for supporting timely and accurate processing of supplier invoices, maintaining accounts payable records, and assisting with the purchase-to-pay (P2P) process. In addition, this position also supports the coordination of technical issues impacting purchase order creation, working closely with procurement, IT, master data teams, and business stakeholders to identify, resolve, and prevent system-related disruptions.

Application deadline: 10 August 2026 

Key Responsibilities

Accounts Payable Administration:

 

  • Process supplier invoices accurately and in accordance with company policies and procedures.
  • Support the reconciliation of invoices with purchase orders and goods receipts.
  • Support vendor account reconciliations and resolve supplier queries.
  • Assist in reviewing payment proposals and support payment execution activities.
  • Monitor and clear AP aging items in a timely manner.
  • Ensure compliance with internal controls, accounting standards, and company policies.
  • Support month-end and year-end closing activities related to accounts payable.
  • Maintain accurate vendor master data and supporting documentation.
  • Collaborate with procurement and business operation to resolve invoice discrepancies.

Key Responsibilities (Continued)

Purchase Order Systems Coordination:

 

  • Support the investigation and resolution of technical issues affecting purchase order creation.
  • Support the onboarding of new suppliers
  • Investigate and coordinate resolution of system errors, workflow failures, and master data issues impacting PO processing.
  • Liaise with IT support teams, ERP administrators, procurement teams, and business users to ensure prompt issue resolution.
  • Monitor recurring technical issues and identify opportunities for process and system improvements.
  • Assist in documenting incidents, root causes, and corrective actions.
  • Support testing and validation activities related to ERP system updates, enhancements, and process changes.
  • Provide basic user support and training regarding purchase order processes and system functionality.
  • Escalate critical issues that may affect business operations or supplier payments.

Qualifications & Experience

  • Currently enrolled in a Master's degree program in Business Administration, Finance, Accounting, Economics, Information Systems, or a related field.
  • Must maintain active student status throughout employment.
  • Bachelor’s degree in accounting, Finance, Business Administration, or equivalent experience.
  • Previous internship, working student, or administrative experience (2 years) in Accounts Payable, Procurement Operations, or Finance Administration.
  • Experience working with SAP ECC, SAP SRM, and preferably Guided Buying.
  • Experience supporting purchase-to-pay processes is preferred.
  • Understanding of invoice processing, purchase orders, and financial controls.

Skills & Competencies

  • Strong analytical and problem-solving skills.
  • Good understanding of accounts payable and procurement processes.
  • Ability to coordinate across multiple departments and stakeholders.
  • Strong communication and customer service skills.
  • Excellent attention to detail and organizational abilities.
  • Ability to prioritize workload and manage multiple tasks simultaneously.
  • Proficiency in Microsoft Excel and other Microsoft Office applications.
  • Familiarity with incident management and ticketing systems is an advantage.

Working Relationships

  • Finance and Accounting Teams
  • Procurement / Purchasing Teams
  • GPO / GPLs
  • IT Support and ERP Teams
  • Master Data Management Teams
  • External Suppliers and Vendors

 

This role combines strong accounts payable expertise with process coordination and systems support responsibilities to ensure an efficient and fluent purchase-to-pay process.