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Euronext · Dublin

# ECS Intern

Dublin Full-time Early career 

Listed on Euronext’s official careers site. Posted September 18, 2026. Check that it is still open and apply there.
[Apply on Euronext’s careers site →](https://hrhub.wd3.myworkdayjobs.com/Euronext_Career_Page/job/Dublin/ECS-Intern_R28629)

[OpenNash Jobs](https://jobs.opennash.com/) / [Euronext](https://jobs.opennash.com/companies/euronext/) / ECS Intern

## Job description

The Numbering Services intern will be responsible for:
- Supporting the team with the creation and maintenance of LEI (Legal Entity Identifier) codes required for listing and regulatory compliance.
- Assisting in the allocation and maintenance of ISIN, FISN, and CFI codes for Irish securities (equity, debt, and investment funds).
- Working with colleagues to ensure accurate and timely updates to security identifiers in line with market and regulatory requirements.
- Helping maintain records and documentation to support compliance with internal and external standards (SLA, KPI, KRI).
- Assisting in customer service tasks by responding to basic queries and escalating more complex issues to senior team members.
- Supporting ongoing projects and process improvements, learning how technology and systems are used to deliver services at scale.
- Contributing to promotional activities for LEI, ISIN, FISN, and CFI services under the guidance of the team.
- Gaining exposure to stakeholder management by observing how we engage with international bodies such as GLEIF (Global Legal Entity Identifier Foundation) and ANNA (Association of National Numbering Agencies).

### Euronext Values Unity
- We respect and value the people we work with
- We are unified through a common purpose
- We embrace diversity and strive for inclusion Integrity
- We value transparency, communicate honestly and share information openly
- We act with integrity in everything we do
- We don’t hide our mistakes, and we learn from them Agility
- We act with a sense of urgency and decisiveness
- We are adaptable, responsive and embrace change
- We take smart risks Energy
- We are positively driven to make a difference and challenge the status quo
- We focus on and encourage personal leadership
- We motivate each other with our ambition Accountability
- We deliver maximum value to our customers and stakeholders
- We take ownership and are accountable for the outcome
- We reward and celebrate performance

We are proud to be an equal opportunity employer. We do not discriminate against individuals on the basis of race, gender, age, citizenship, religion, sexual orientation, gender identity or expression, disability, or any other legally protected factor. We value the unique talents of all our people, who come from diverse backgrounds with different personal experiences and points of view and we are committed to providing an environment of mutual respect.

Additional Information This job description is only describing the main activities within a certain role and is not exhaustive. It does not prevent to add more tasks, projects.

## At a glance
- Posted by the employer: Sep 18, 2026
- First seen by OpenNash: Oct 19, 2026
- Last checked: Oct 19, 2026
- Listed for: 31 days
- Location: Dublin
- Employment type: Full-time[Apply on Euronext’s careers site →](https://hrhub.wd3.myworkdayjobs.com/Euronext_Career_Page/job/Dublin/ECS-Intern_R28629)

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Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

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