Enterprise Resources Planning Engineer

After more than two decades, ESO is embarking on a major transformation to replace its long-standing ERP system with a modern, cloud-based Oracle Fusion platform. This programme will enhance our operational efficiency, agility, and ability to support ESO's mission at the forefront of ground-based astronomy. The transformation will span Finance, Human Resources, Procurement, Supply Chain, Project Management, and Observatory Operations, impacting the organisation end to end.

To support this journey, we are building a new ERP team and are seeking an experienced ERP Engineer to play a key role in delivering, operating, and continuously improving ESO's ERP platform during this transformational programme and beyond into operations.

This is a hands‑on technical role focused on configuring, supporting, and optimising the ERP landscape to ensure it is secure, reliable, and fit for purpose. You will work closely within the ERP Team and with business stakeholders, IT teams, and external partners to translate business requirements into robust system solutions and to support the organisation's transition to, and effective operation of, Oracle Fusion.

The role spans ERP configuration, data management, integrations, AI Agents, system support, and continuous improvement, with a strong focus on process efficiency, data quality, and long‑term platform sustainability.

Main Duties and Responsibilities

Your main tasks include:

ERP Platform & Integrations

• Design, develop, and maintain interfaces with external systems, including APIs, file import/export processes, and web services;
• Support and maintain ERP integrations to ensure reliability, performance, and data integrity;
• Work closely with ESO IT to manage and support the Oracle Cloud Infrastructure, ensuring availability, security, performance, and alignment with organisational standards.

Data Management & Migration

• Perform data migration activities, including data extraction, transformation, loading, validation, and reconciliation;
• Use SQL for data analysis, validation, troubleshooting, and reporting support.

Reporting & Analytics

• Ensure data accuracy, integrity, and consistency across ERP platforms;
• Collaborate with teams to deliver reporting, dashboards, and KPIs;
• Provide analytical insights to support operational and financial decision‑making.
• Ensure ERP solutions meet internal control, audit, and compliance requirements;
• Maintain technical documentation for configurations, integrations, etc.;
• Maintain documentation for change management, approvals, system controls and operational procedures;
• Monitor user access, segregation of duties (SoD), and configuration changes.

Training & Support

• Support ERP environments and participate in quarterly Oracle Fusion release cycles, including testing and deployment activities;
• Develop user training materials and system documentation;
• Provide hands‑on support and guidance to end‑users;
• Act as a subject matter expert for ERP‑related queries and incidents.

Reports to

Head of ERP Team.

Key Competences and Experience

• University degree in Computer Science, Information Technology, Engineering, or a related discipline, or equivalent professional experience;
• At least 5 years of experience in technical ERP roles;
• Strong hands‑on experience with:
  • Tier One ERP platforms (Oracle Fusion highly desirable);
  • System integrations (APIs, web services, file‑based interfaces);
  • Data migration and SQL;
  • ERP reporting and dashboards.
• Experience working on ERP implementation or transformation projects;
• Strong analytical, problem‑solving, and documentation skills;
• Energy, enthusiasm, and a passion for learning and adapting to new ERP trends and technologies;
• Comfortable in a diverse, international and multicultural environment.

Qualifications

Essential educational level

University degree in Computer Science, Information Technology, Engineering, or a related discipline, or equivalent professional experience.

The position requires a strong command of the English language. Spanish language skills would be an advantage.

Remuneration and Contract

We offer an attractive remuneration package including a competitive salary (free of income tax for applicants from ESO member states), comprehensive pension scheme and medical, educational and other social benefits, as well as financial help in relocating your family and support to place your child/children in daycare.

Our Salary Structure

ESO's salary structure is based upon a range of career paths which reflect the nature and level of our jobs. Each career path is made up of two or three grades which are used to further reflect experience.

Please follow this attached link for more details

ESO aims to support members of personnel in maintaining a good work‑life balance between their professional and private life. ESO is also committed to offering family‑friendly support creating a work environment and policies which allow staff to balance their professional and private responsibilities through flexible working arrangements and financial support for families.

The contract is for a fixed term duration of three years and is subject to successful completion of the probation period. There may be a possibility of extension(s) subject to individual performance and organisational requirements, and as defined in the applicable policies and staff rules and regulations. For any further information, please visit ESO's conditions of employment Please note that the contract policy and in particular the regulations concerning fixed‑term and indefinite contracts are currently under review which may lead to changes in the contractual conditions applicable to this position.

Duty Station

The position is based at the ESO headquarters in Garching bei Muenchen, Germany.

Application

If you are interested in working in areas of frontline science and technology and in a stimulating international environment, please visit for further details.

Applicants are invited to apply online at Applications must be completed in English and should include a motivation letter and CV. Within your CV, please provide the names and contact details of three persons familiar with your work and willing to provide a recommendation letter upon request. Referees will not be contacted without your prior consent.

Deadline for applications is 12 February 2026.

Interviews are expected to start soon after this date.