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Assistant Project Controller

Job in Harwell, Didcot, Oxfordshire, OX11, England, UK
Listing for: Octagon Professionals International
Full Time position
Listed on 2026-01-13
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Business Administration
Job Description & How to Apply Below
Location: Harwell

Direct message the job poster from Octagon Professionals International

Overview

Matchmaker helping talent and companies grow together. Are you an experienced project or administrative support professional who enjoys working in an international, structured, and high-impact environment?

We are looking for a Assistant Project Controller to support the Program Management Support Office within the Directorate of CSC at ESA/ESTEC in Noordwijk. In this role, you will work on-site at ESTEC while also supporting activities for ECSAT in the UK. You will play a key role in keeping projects, financial processes, and reporting.

Responsibilities

What you will do

As part of the Program Management Support Office, you will support a broad range of administrative, financial, and project-related activities, including:

  • Supporting timesheet submission, approvals, and reporting
  • Assisting with travel expense claims and reimbursements
  • Supporting procurement processes such as Purchase Orders, Contracts, and Procure-to-Pay activities
  • Monitoring and supporting Service Level Agreements (SLAs)
  • Maintaining and updating workforce and project databases
  • Supporting cost checks for IT equipment and software
  • Assisting with internal cost control and financial tracking
  • Supporting internal audits and quality management preparations
  • Preparing documentation for program closures
  • Acting as a point of contact for users of ESA systems (ESA-p, ESA-star, EROS)
  • Supporting cost center missions and related administrative activities
  • Assisting with Power BI dashboards, reporting, and basic user training
Qualifications

What you bring

  • Bachelor’s degree in Business Administration or a related field
  • At least 4 years of relevant experience in a project-oriented or PMSO environment
  • Experience supporting procurement and financial processes
  • Strong skills in MS Office, Power BI, and Business Objects
  • Experience in an international and project-driven environment
  • Experience in the space sector is a plus
  • Strong communication skills in English (written and spoken)
  • Proactive, structured, and service-oriented mindset
  • Comfortable working independently as well as in a team
What’s in it for you

Benefits

  • Attractive salary package
  • Up to 30 vacation days plus 12 public holidays (based on a 40-hour workweek)
  • Pension contribution to a tailored pension scheme
  • Annual subscription to the ESTEC gym and swimming pool
  • The opportunity to work in a highly international and unique space environment
Interested?

Apply via Linked In and we will be in touch to discuss the next steps with you in the new year.

Ready for this new challenge? Apply now and let’s get in touch!

Octagon Professionals International is a full-service recruitment and HR services firm with 30 years of experience in the European and international market. Our large network of professionals across multiple functional areas, and multi-national team provide flexible solutions customised to individual client needs.

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