Web Administrator (P-3) At Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)



Grade Level:



International Data Centre Division


Automatic Processing Systems Section


Systems Applications and Web Unit

Type of Appointment:

Fixed Term Appointment

Date of Issuance:


Deadline for Applications:


Vacancy Reference


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 Systems Applications and Web Unit, Automatic Processing Systems Section, International Data Centre Division (IDC).

Reporting Lines

Under the supervision of the Chief, Automatic Processing Systems Section, to: : Duties and Responsibilities

  •  Manage, operate, and maintain the Secure Web Portal (SWP) for State Signatories and other websites and applications operated by the International Data Centre Division; advise on matters related to the provision of information for the websites operated by IDC; ensure their consistency with other websites of the Secretariat;
  •  Provide advice, training and assistance to staff working on appropriate layout and design of the web-based information systems and material to be issued;
  •  Build and maintain tools, solutions and processes associated with deployment and operations platform, identify and actively troubleshoot any issues that arise, ensuring consistency of service standards and reduction of errors;
  •  Function as technical expert for Identity and Access services including single sign-on (SSO); support problem resolution for Identity Management infrastructure and integrated applications when necessary;
  •  Assist in capacity planning and performance management of supported services/technologies;
  •  Implement and maintain appropriate controls and documentation, automate operational processes as needed ensuring compliance with information security requirements;
  •  Perform other duties as assigned.


  •  University degree in computer sciences or a related field with focus on software architecture and design of web-based information systems.

Work Experience and Qualifications

  •  At least five (5) years of relevant working experience with development and maintenance of web-based applications, software development, business analysis and software testing and releasing;
  •  Relevant working experience in Linux environment, including administration and using Java and Python programming languages is essential;
  •  Experience in development for the Liferay Portal application is desirable;
  •  At least three (3) years of experience with Agile software development methodologies (preferably Scrum) is essential; experience with project management and workflow tools such as Agile (Scrum), Jira/Confluence is a strong asset;
  •  Experience with relational SQL is required (including PostgreSQL, Oracle); experience with NoSQL databases (including Elasticsearch), and cloud-based solutions is highly desirable; experience with migrating relational databases to NoSQL is an asset;
  •  Knowledge and experience in Continuous Integration/Continuous Delivery (CI/CD) for software delivery is desirable;
  •  Experience with DevOps and/or application security is desirable;
  •  Experience with public key infrastructure technologies is highly desirable;
  •  Excellent organizational and analytical skills; ability to react quickly in problematic situations.


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

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: http://www.un.org/Depts/OHRM/salaries_allowances/salary.htm). The salary offered may be subject to deductions to the United Nations Joint Staff Pension Fund and/or 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.


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March 2024