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Data Surety Specialist (P-3)

Vienna (Austria)

  • Organization: CTBTO - Comprehensive Nuclear Test Ban Treaty
  • Location: Vienna (Austria)
  • Grade: P-3, International Professional - Internationally recruited position - Mid level
  • Occupational Groups:
    • Statistics
    • Information Technology and Computer Science
  • Closing Date:

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VA ID:  1182
Grade Level:  P-3
Division:  International Data Centre Division
Section:  Operations Section
Unit:  Monitoring Facilities Operations Unit
Type of Appointment:  Short Term Appointment
Date of Issuance:  08/10/2021
Deadline for Applications:
Vacancy Reference: VASTAIDC-1182-2021
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 International Data Centre (IDC) Division that collects, processes and analyses monitoring data originating from the facilities of the International monitoring System (IMS). These are based on four different sensor technologies (seismic, hydroacoustic, infrasound and radionuclide).

Reporting Lines

Under the direct supervision of the Head, Monitoring Facilities Operations Unit, to: 

Duties and Responsibilties

  1. Develop procedures for Public Key Infrastructure (PKI) operator nomination.
  2. Define Roles and Responsibilities of PKI operators according to the Commission’s decisions.
  3. Develop Operational Procedures related to data surety in following aspects: Bootstrapping process after major station maintenance, upgrade, or recapitalization; issuance of certificates during establishing and maintaining the chain of trust; monitoring, reporting, troubleshooting, categorization, fault diagnosis and resolution of incidents related to data surety.
  4. Provide support in rolling out authentication to certified IMS stations: Provide recommendations on improvement of state-of-health (SOH) monitoring tools for detecting data surety incidents and authentication failures; verify and report on tamper switches status at all certified IMS stations and support in resolution of tamper switches failures; support station operator and PKI operators in bootstrapping activities; support station operator and PKI operator with replacement of certificates; support PKI operators, Operations, Maintenance and Engineering sections in troubleshooting and resolving authentication failures.
  5. Perform other duties as assigned.


  • University degree in computer science or engineering related to radionuclide, seismic, infrasound and hydroacoustic technologies in the IMS network. 

Work Experience and Qualifications

  • At least five (5) years of relevant working experience in the field of operations of distributed complex networks and systems, such as the International Monitoring Systems of the CTBTO, and extensive experience in managing data surety;
  • Thorough knowledge of and in-depth technical skills in all aspects of operations and monitoring of radionuclide or waveform technologies in the IMS network;
  • Good knowledge of Data Base schema, and Linux operating systems;
  • Excellent skills in handling station incidents, troubleshooting, analysis, and reporting;
  • Experience in producing training materials and delivering training courses;
  • In-depth knowledge of PTS Operational Procedures and relationships with IMS Station Operators would be an asset;
  • Thorough knowledge of CTBTO data surety policies and in-depth technical skills in PKI and data authentication would be an asset.


  • Excellent written and oral communication skills in English are essential;
  • Knowledge of other CTBTO official 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; 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; uses time efficiently.
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: The salary offered may be subject to deductions to the United Nations Joint Staff Pension Fund and/or Health Insurance Scheme.

Short Term Appointments shall initially be made under a contract for a period not to exceed 364 days, subject to the successful completion of the probation period set forth in the Letter of Appointment.

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.
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.

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