Organisation for the Prohibition of Chemical Weapons vacancy search engine

Senior Procurement Assistant (GS-5)



Under the supervision of the Head of Procurement the post holder will execute the following responsibilities:

  1. Analyse requisitions of goods/services/works, ensure completeness of specifications and supporting documentation, advise and support requisitioning units from solicitation, through awarding of the contract, to contract administration.
  1. Compile data, prepare and distribute documents, to support successful procurement to programs and operational activities, (e.g. issue solicitations, evaluate offers and negotiate/award contracts), ensuring that standard processes are followed and that contracts are awarded based on Best Value for Money (BVM) principles.
  1. Review and prioritise requisitions, ensuring all supporting documentation is received, and funding is available, in order to enable the procurement of goods and services.
  1. Prepare abstracts of the financial proposals in the form of Commercial Evaluations (CE) in compliance with the solicitation evaluation criteria, support the requisitioning units with evaluation guidance in the preparation of Technical Evaluations (TE) in compliance with the Technical Specifications and solicitation evaluation criteria and if required, prepare submissions to the Committee on Contracts (CoC) for review and recommendation.
  1. Prepare Purchase Orders and contracts with all relevant documentation in accordance with the OPCW General Terms and Conditions of Contract (GTC) and if required, involve the Office of the Legal Advisor for exceptions.
  1. Monitor contract performance in coordination with requisitioning units, ensuring compliance with the terms and conditions of the contract (such as timeliness and correctness of delivery).
  1. Take the necessary action to renew contracts based on performance evaluation, customer satisfaction and price increases in-line with the rate of inflation and/or market fluctuations.
  1. Assist the Head of Procurement/Procurement Officer in the daily running of the Section, including correspondence with contractors/suppliers, internal customers.
  1. Provide guidance to requisitioning units, short-term procurement staff and vendors.
  1. Enter and maintain supplier master data in the ERP, including checking the completeness of supplier registration form and eligibility by applying the relevant vendor due diligence.
  1. Respond to contractor’s queries or disputes on terms and conditions of the Contract.
  1. Provide input to audit queries and other formal requests for information on Purchase Orders and contracts.
  1. Represent the Section in various meetings, as and when required.



Education (Qualifications):


  • High School Diploma or equivalent of higher secondary education


  • Post-secondary education in the field of procurement and supply chain management, contract management or marketing/sales, or commercial law, or civil or technical engineering.
  • Chartered Institute of Purchasing and Supply (CIPS) Level 3 Advanced Certificate in Procurement and Supply or equivalent.




  • At least four years of progressive responsibility and experience in procurement and contracting. Alternatively, at least six years’ experience in areas of supply chain management, or marketing/sales, or commercial law, or civil or technical engineering.


  • Working experience in a multi-cultural working environment and/or foreign country, for an international organisation (IO), or for an (international) non-governmental organisation (NGO). 


Skills and Abilities (key competencies):


  • Good analytical, data-processing, numerical and text drafting skills;
  • Customer-service orientated – a helpful ‘service’ orientation;
  • Flexibility and ability to work steadily with several ongoing assignments;
  • Work independently following established rules and procedures;
  • Detail orientated approach to work;
  • Team focus, flexibility to support colleagues when and where needed; Good interpersonal skills and ability to work harmoniously in a diverse environment;
  • Computer literacy, including good working knowledge of Windows based word-processing, spreadsheets and databases.


Other Skills:

  • Affinity with complex technical problems and procedural requirements;
  • Effectively time-management, planning skills and Diplomacy;
  • Pro-activeness, Patience, Service-mindedness, Perseverance and Tenacity.


Language Requirements:

 Fluency in English is essential, and a good working knowledge of one of the other official languages (Arabic, Chinese, French, Russian, and Spanish) is an advantage.