CTBTO - Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organisation

CTBTO Vienna



Grade Level:



On-Site Inspection Division


Policy Planning and Operations Section


Type of Appointment:

Fixed Term Appointment

Date of Issuance:


Deadline for Applications:


Reference No.:


Reporting Date:

as soon as possible

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

Qualified female applicants and persons with disabilities are encouraged to apply.

A roster of suitable candidates may be established for similar positions at the same level as a result of this selection process for a period of two (2) years.

Organizational Background

The Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization with its headquarters in Vienna 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 Policy Planning and Operations Section, On-Site Inspection Division (OSI). OSI Division develops operational capabilities to undertake inspections in line with the provisions of the Comprehensive Nuclear-Test-Ban Treaty (CTBT). After the treaty enters intoforce, an on-site inspection is launched to establish whether or not a nuclear explosion has been carried out. During such an inspection, facts might also be gathered to identify a possible violator of the Treaty. It thus constitutes the final verification measure under the CTBT.

Reporting Lines

Under the supervision of the Chief, Policy Planning and Operations Section, to: : Duties and Responsibilities

  • Maintain and enhance the operational readiness of the prototype Operations Support Centre (OSC) in close cooperation with other OSI Sections and other Divisions including maintenance, development and implementation of necessary tools, infrastructure, procedures, guidelines, forms and templates needed for operation of the OSC;
  • Propose improvements to the OSC documentation, organization and infrastructure including physical layout within the VIC, based on activities and lessons identified; participate/lead studies and projects connected to operational and methodology aspects of the OSI verification regime and the evaluation thereof;
  • Coordinate issues related to information security within the OSI Division, maintain and update existing documentation on the security of OSI related information including drafting new documents, if required.
  • Support the PTS Information Security Steering Committee as OSI Division focal point in reviewing and preparing documents for approval by the Committee;
  • Participate/lead in the planning, preparation or conduct of OSI products and related documentation for diverse activities including OSI development projects, equipment tests, drafting of reports, analyses and preparation or review of background documentation and the reviewing and updating of OSI QDOCs;
  • Plan, organize and participate as a lecturer and subject matter expert in training and exercise activities;
  • Participate in OSI exercises and activities, which may include lengthy stays in remote areas for long periods on short notice;
  • Perform other duties as assigned.


  • University degree in geophysical science, physics, engineering or computer science or a related field; equivalent military qualifications acceptable.

Work Experience

  • At least five years relevant working experience in the field of international verification regimes or an OSI related field, preferably part of which should have been in an international environment;

  • Experience in the use of OSI related techniques and operation centres is an asset;
  • Experience in planning, organizing, conducting and evaluating field activities and/or exercises;
  • Proven ability to draft reports, project proposals, identify issues;
  • Experience in information and data security and risk management.


  • Excellent written and oral communication skills in English are essential;
  • Knowledge of other official CTBTO languages is desirable.


Professionalism – Shows pride in work and in achievements; demonstrates professional competence and mastery of subject matter; is conscientious and efficient in meeting commitments, observing deadlines and achieving results; is motivated by professional rather than personal concerns; shows persistence when faced with difficult problems or challenges; remains calm in stressful situations. Communication – Speaks and writes clearly and effectively; listens to others, correctly interprets messages from others and responds appropriately; asks questions to clarify, and exhibits interest in having two-way communication; tailors language, tone, style and format to match the audience; demonstrates openness in sharing information and keeping people informed. Planning and organizing – Develops clear goals that are consistent with agreed strategies; identifies priority activities and assignments; adjusts priorities as requested; allocates appropriate amount of time and resources for completing work; foresees risks and allows for contingencies when planning; monitors and adjusts plans and actions as necessary; Team work – Works collaboratively with colleagues to achieve organisational goals; solicits input by genuinely valuing others’ ideas and expertise; is willing to learn from others; places team agenda before personal agenda; builds consensus for task purpose and direction with team members; supports and acts in accordance with final group decisions, even when such decisions may not entirely reflect own position; shares credit for team accomplishments and accepts joint responsibility for team shortcomings Accountability – Takes ownership of all responsibilities and honors commitments; delivers outputs for which one has responsibility within prescribed time, cost and quality standards; operates in compliance with organizational regulations and rules; supports subordinates, provides oversight and takes responsibility for delegated assignments; takes personal responsibility for his/her own shortcomings and those of the work unit, where applicable. Creativity – Actively seeks to improve programmes or services; offers new and different options to solve problems or meet client needs; promotes and persuades others to consider new ideas; takes calculated risks on new and unusual ideas; thinks “outside the box”; takes an interest in new ideas and new ways of doing things; is not bound by current thinking or traditional approaches. Client orientation – Considers all those to whom services are provided to be “clients” and seeks to see things from clients’ point of view; establishes and maintains productive relationships with clients by gaining their trust and respect.; identifies clients’ needs and matches them to appropriate solutions; monitors ongoing developments inside and outside the clients’ environment to keep informed and anticipate problems; keeps clients informed of progress and setbacks in projects; meets timeline for delivery of products or services to clients. Commitment to continuous learning – Keeps abreast of new developments in own occupation/profession; actively seeks to develop oneself professionally and personally; contributes to the learning of colleagues and subordinates; shows willingness to learn from others; seeks feedback to learn and improve. Technological Awareness – Keeps abreast of available technology; understands applicability and limitations of technology to the work of the office; actively seeks to apply technology to appropriate tasks, shows willingness to learn new technology.


CTBTO offers an attractive compensation and benefits package in accordance with the policies of the International Civil Service Commission. For more information on UN salaries, allowances and benefits, see link: (link)). The salary offered may be subject to deductions to the United Nations Joint Staff Pension Fund and Health Insurance Scheme.

Additional Information:

  • All applications must be submitted through the CTBTO e-Recruitment system before the deadline stated in the vacancy announcement.
  • 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 at a lower grade in particular if the candidate has less than the qualifications required; 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.
  • The CTBTO reserves the right to undertake correspondence only with shortlisted candidates.
  • Candidates under serious consideration for selection will be subject to a reference-checking process or be requested to provide performance assessments.
Tags: computer science, development projects, information security, oral communication, risk management, subject matter expert