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We accept internship applications twice a year normally in March and September. Internship applications should be submitted electronically through our website when a general internship notice is advertised under General Services vacancies. Applications are normally accepted for a period of 30 days.

Select a branch below to learn more about its internship opportunities. If there is a specific branch of OPCW that you are interested in, please indicate your interest in the application form. We cannot assure specific placements based on your interest as all applications will be evaluated by the relevant branches individually. You will be informed in advance of the placement within a specific branch and your confirmation will be requested.

Verification Division (VD)
Receives and assesses the data submitted by Member States in their declarations.
Industry Verification Branch (IVB)
Site selection and planning of Article VI (i.e., commercial industry) inspections; Implementing and monitoring of the Annual Inspection Plan; Preparing, monitoring and supporting on-site inspection progress; Reviewing, editing, and finalizing Final Inspection Reports (FIR); Closing of Article VI inspections based on the review of issues reported; Engaging with inspected State Party representatives to resolve issues; Evaluating declarations and inspection results to plan the frequency of future inspections; Discussing unresolved industry verification issues and developing policy solutions; Supporting training for States Parties in industry verification related matters; Identifying and reporting data quality issues in declarations; Developing procedures, guidelines, and training materials for new inspectors; Supporting the Policy Making Organs on industry related issues; Developing background reports on chemical trade and economic data.
Data Analytics, Reporting and Quality Control (DARQ)
As part of the Declarations Branch, DARQ is the section responsible for expanding the Branch’s analytical capabilities through the design and implementation of high performing and scalable information management systems.
Chemical Demilitarisation Branch (CDB)
Provides the Organisation for the Prohibition of Chemical Weapons (OPCW) with technical assessments about the compliance of State Parties, regarding their obligations related to Chemical Weapons (CW), by implementing a credible verification regime under Articles IV, V and Parts IV (A), IV (B) and V of the VA, as well as supporting, as required, a credible verification regime under Articles IX and X.
Declarations Branch (DEB)
Provides the route through which declarations and other verification-related information is received. All matters related to declarations are handled within this Branch. 
OPCW Laboratory (LAB)
The OPCW laboratory is the OPCW’s centre of chemical analysis and works within the Verification Division
Inspectorate Division (ID)
Manages the inspections required by the Chemical Weapon Convention (CWC) of both military and commercial facilities around the world.
Capacity Building and Contingency Planning Cell (CBCP)
upporting the capacity building programmes and delivering external trainings as part of the Secretariat’s International cooperation and assistance activities; Planning, coordinating and providing the training programme for inspectors and support personnel; Planning in cooperation and in conjunction with all relevant Divisions and Offices of the Secretariat for contingency operations; Preparing, planning and exercising with other relevant Divisions and Offices of the Secretariat for contingency operations; Deploying as part of advanced teams for contingency operations.
Demilitarisation Inspections Cell (CDC)
The Chemical Demilitarisation Inspection Cell (CDC) is one of the four (4) cells in the Inspectorate Division. It focuses on inspections under Article IV and V of the Chemical Weapons Convention (CWC). Inspected facilities under Articles IV and V include Chemical Weapons Destruction Facilities (CWDF), Chemical Weapons Storage Facilities (CWSF), Chemical Weapons Production Facilities (CWPF) and their conversions, Old Chemical Weapon (OCW) facilities and Abandoned Chemical Weapons (ACW) facilities. The CDC consists of a Head of Cell, nine (9) Inspection Team Leaders and fourteen (14) Inspectors. With the destruction of Chemical Weapons (CW) worldwide in recent years, the CDC not only maintains its capabilities of doing routine inspection, but also supports the Inspectorate Division for various contingency operations. The cell is home to expertise in Chemical Weapons and Munitions.
Industry Inspection Cell (IIC)
Industry Inspection Cell (IIC) is the cell in charge of Team Leaders and Inspectors doing Industry inspections covered by Article VI of the Convention. The IIC also provides technical advice and support to other cells inside Inspectorate, as well as other units in the Technical Secretariat (TS), to include training, conferences and other activities, if requested by the Director of Inspectorate (DOI) and/or by the Director General (DG).
Operations and Administration Branch (OAB)
The Operations and Administration Branch (OAB) supports the Verification regime of the OPCW by planning, deploying, and providing operational and administrative support to inspection teams on all routine and contingency missions.
Safety & Analytical Chemistry Cell (SACC)
Supporting routine inspections under Articles IV, V and VI; Supporting CI, IAU and other non-routine contingency type missions; Developing and maintaining key S&T capability to successfully implement the inspections programme; Knowledge management across INS, with an emphasis on S&T; S&T advice; Specialised S&T training for INS and wider TS.
External Relations Division (ERD)
Promotes universal adherence to the Chemical Weapon Convention (CWC) and liaises with governments, other International Organisations, the media and Non-Governmental Organisations (NGO’s). Manages relations with the Host Country (the Netherlands) and all protocol and visa activities of particular importance, being those for inspectors going on missions.
Political Affairs and Protocol Branch (PPB)
Provides policy and operational support to the Executive Management of the Technical Secretariat.
Public Affairs Branch (PAB)
Responsible for the production and distribution of public information
International Cooperation and Assistance Division (ICA)
Manages the OPCW’s international cooperation activities, facilitating transparency and development in chemistry among Member States, Chemical Weapons Convention (CWC) implementation and protection against chemical weapons. ICA also ensures that the OPCW can respond adequately to requests for assistance from Member States that are threatened with chemical weapons.
Assistance and Protection Branch
The Assistance and Protection Branch (APB) provides States Parties with information about a variety of protective measures against chemical weapons
International Cooperation Branch (ICB)
The international cooperation programmes are based on the provisions of the CWC relating to economic and technological development of States Parties
Implementation Support Branch (IPB)
Supports States Parties in their efforts to implement the CWC
Office of the Legal Adviser (LAO)
Provides legal advice to the Director-General and the Technical Secretariat, and to the policy-making organs and States Parties
Office of Internal Oversight (OIO)
The Office of Internal Oversight (OIO) assists the Director-General in the management of the OPCW's resources. The OIO conducts internal audit, confidentiality audit, evaluation, inspection, investigation and monitoring in order to support the Director-General in enhancing economy, efficiency, effectiveness and integrity in OPCW’s operations.
Office of Confidentiality and Security (OCS)
Implements the confidentiality regime within the Secretariat and ensures the physical security of the Organisation for the Prohibition of Chemical Weapons (OPCW) information, computer systems and facilities.
Office of Strategy and Policy (OSP)
Develops the Technical Secretariat’s strategic planning, provides policy advice to the Director-General and OPCW Senior Management, and supports the Secretariat’s Management Board in coordinating policy implementation.
OPCW Library
The Ron G. Manley Library in the OPCW is the knowledge center within the organization, and is part of the Staff Development and Training section of the Human Resources Branch.
Secretariat for the Policy-Making Organs
Provides support to the policy-making organs and the subsidiary bodies of the OPCW.
Administration Division (ADM)
The Administration Division is responsible for assuring the effective management of the financial and human resources, information technology, procurement, support services and training functions within the Technical Secretariat (TS).
Budget and Finance Branch (FIN)
Responsible for the development and management of the OPCW Budget. Coordinates effective resource allocation across the Organisation through a unified budget and results-based approach. Responsible for the production of reports for different audiences; Responsible for preparing the OPCW Financial Statements and those of the Provident Fund in compliance with International Public Accounting Standards (IPSAS). Maintains the Organisation’s accounts and in doing so is also responsible for liaising with the External and Internal Auditors of the Organisation on all financial matters; Responsible for the liquidity management of the Organisation, including investments and bank account management. Support the issuance and control of prepaid and credit cards, as well as facilitate inter-agency payment arrangements; Responsible for preparing and disbursing all payments related to the activities of the OPCW.
Human Resources Branch
Provides and sustains a quality Human Resources Management System to ensure that the Technical Secretariat can fulfil its functions efficiently and effectively
Information Services Branch (ISB)
Brings efficiency and effectiveness on how information is managed by the Organisation for the Prohibition of Chemical Weapons (OPCW), as well as takes primary responsibility for the information technology and telecommunication systems of the Organisation.
General Services and Procurement Branch (GSP)
Provides essential support services to the Organisation.