Requisition ID 2405 - Posted  - Internship
VA ID:  2405
Grade Level:  INT
Division:  Office of the Executive Secretary
Section:  Human Resources Services
Type of Appointment:  Internship
Date of Issuance:  18 May 2026
Deadline for Applications:
8 June 2026

Please note that all candidates should adhere to CTBTO Values of Integrity, Professionalism and Respect for Diversity.

The CTBTO awards a limited number of internships to university students and recent graduates from diverse academic background. Its purpose is to provide a learning and development experience in a field related to the Commission’s activities specialized in various professional fields. Interns usually work on specific practical assignments. Opportunities for internships are available subject to the current needs of the individual divisions within the CTBTO. 

Organizational Background

The Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization with its headquarters in Vienna, Austria is the international organization setting up the global verification system foreseen under the Comprehensive Nuclear-Test-Ban Treaty (CTBT), which is the treaty banning any nuclear-weapon-test explosion or any other nuclear explosion. The Treaty provides for a global verification regime, including a network of 337 stations worldwide, a communications system, an international data centre and on-site inspections to monitor compliance.

Organizational Setting

This position is located in the Recruitment and Staff Development Unit, Human Resources Services, Office of the Executive Secretary. 

Reporting Lines

Under the supervision of the Head, Recruitment and Staff Development Unit, and in close coordination with the Senior Human Resources Assistant, the intern will:

Duties and Responsibilities

Learning & Staff Development 

  1. Support activities related to staff learning and development initiatives, including the Learning Hub, LMS-related activities, and related resources;
  2. Assist in maintaining and updating learning and training materials, communications, and online content;
  3. Support the organization and coordination of virtual and in-person group training activities;
  4. Assist with collecting, compiling, and analyzing learning and training-related information and feedback;
  5. Contribute to the preparation of learning resources, career development materials, presentations, reports, and other staff development content;

Talent Acquisition Activities

  1. Support talent outreach and employer branding activities, including research, benchmarking, and preparation of related materials and communications;
  2. Assist with activities related to online career fairs, webinars, and other recruitment outreach initiatives;
  3. Contribute to initiatives aimed at attracting diverse and qualified candidate pools;

Other

  1. Participate in meetings, events, career fairs, and webinars, and assist with related logistical support, note-taking, follow-up activities;
  2. Support HR communications, intranet content, user guides, and HR-related documentation;
  3. Assist with HR digitalization, automation, AI-related initiatives, and process improvement initiatives and research related to HR policies and practices within the UN common system and other international organizations;
  4. Support the preparation of presentations, reports, and other HR-related materials;
  5. Perform other related duties as assigned.

Education

  • The applicant must have completed at least two years of full-time study at a university or equivalent institution that will lead to the award of a degree in human resources management, business administration, social sciences, communications, marketing, law or related field;
  • Applications may be made up to two years after the completion of a bachelor’s, master’s or doctoral degree;
  • Strong interest in Human Resources, particularly in Learning & Development, Talent Acquisition, staff engagement, or organizational development, is required;

Work Experience and Qualifications

  • Candidates for an internship must be at least 18 years of age and no more than 35 years of age;
  • No prior professional experience is required. Relevant professional experience or academic exposure to Human Resources is an asset;
  • Strong analytical, research, and strong written and verbal communication skills are required;
  • Willingness to learn, take initiative, and contribute proactively in a team environment;
  • Adaptability, reliability, and professionalism;
  • Familiarity and interest in AI-based tools, automation, or technology-enabled processes is an asset;
  • Excellent knowledge of Microsoft Office applications (Word, Excel, PowerPoint) is required; experience with Microsoft 365 tools (e.g. Teams, SharePoint, Outlook) is an asset;
  • Knowledge of social media platforms and basic social media analytics is an asset;
  • Experience with website content management, basic design tools, or audio-visual editing is an asset;

Languages

  • Excellent written and oral communication skills in English are essential;
  • Knowledge of other official CTBTO languages (Arabic, Chinese, French, Russian and Spanish) is desirable.

Competencies

  • Professionalism – Conscientious and efficient in meeting commitments, observing deadlines and achieving results; 
  • Planning and Organizing – Identifies priority activities and assignments; adjusts priorities as required.
  • Communication – Demonstrates openness in sharing information and keeping people informed. 
  • Teamwork – Works collaboratively with colleagues to achieve organizational goals; Solicits input by genuinely valuing others’ ideas and expertise; is willing to learn from others.

PLEASE NOTE: Internship opportunities occur throughout the year and assignments are filled as required by the CTBTO. Due to the volume of applications received, correspondence will be maintained only with those candidates that are under consideration. Thank you for your understanding.

An intern is neither a staff member nor an official of the Commission. An intern who is a non-Austrian citizen is responsible for obtaining any necessary visas and for complying with local laws concerning police registration.

Additional Information

  • All applications must be submitted through the CTBTO e-Recruitment system.
  • Incomplete applications and submission of employment history in formats other than the CTBTO Employment Information Form will not be considered.
  • The CTBTO Preparatory Commission retains the discretion not to make any appointment to this vacancy; to make an appointment with a modified job description, or to offer a contract term for a shorter duration than indicated in the vacancy announcement.
  • Please note that the CTBTO will only consider academic credentials or degrees obtained from an educational institution recognized in the IAU/UNESCO list.
  • Candidates under serious consideration for selection will be subject to a reference-checking process.
At Impactpool we do our best to provide you the most accurate info, but closing dates may be wrong on our site. Please check on the recruiting organization's page for the exact info. Candidates are responsible for complying with deadlines and are encouraged to submit applications well ahead.
Before applying, please make sure that you have read the requirements for the position and that you qualify. Applications from non-qualifying applicants will most likely be discarded by the recruiting manager.