Large-geometry SIMS Specialist (P3)
Job Description ID: 2026/0106 (248991)
Organization
SGAS-Micro Particle Analysis Team, Office of Safeguards Analytical Services (SGAS)
Primary Location
Seibersdorf, Lower Austria, IAEA Laboratories
Posting Date
2026-04-14
Closing Date
2026-05-05
Duration
36 months
Contract Type
Fixed Term – Regular
Job Purpose
Reporting to the Team Leader, the LG‑SIMS Specialist plays an active role in the analysis of uranium particles in environmental samples (ES) by Large-geometry Secondary Ion Mass Spectrometry (LG‑SIMS). The Specialist contributes to quality management activities, develops methods and maintains the instrument at high performance.
Key Responsibilities
* Prepare and analyze uranium particles in safeguards environmental samples using LG‑SIMS.
* Contribute to method development and implementation of new analytical techniques.
* Develop and follow analytical procedures and QC charts to ensure quality.
* Maintain and operate laboratory equipment at the highest level of reliability.
* Support laboratory operations to meet quality standards.
* Stay up-to-date on developments in environmental sample analysis and propose new methodologies.
Required Expertise
* Physics – Mass Spectrometric Isotope Ratio Measurements: in-depth knowledge of techniques to accurately and precisely measure isotope ratios.
* Physics – Metrology: expertise in data evaluation and uncertainty estimation.
* Physics – Secondary Ion Mass Spectrometry: analytical method development, troubleshooting and maintenance of LG‑SIMS.
Qualifications, Experience and Language Skills
* University degree in physical sciences, materials science, analytical chemistry, geochemistry or equivalent.
* Minimum of five years’ experience with Large-geometry Secondary Ion Mass Spectrometry (LG‑SIMS).
* Experience with ISO 9001 and/or ISO 17025 quality management systems is an asset.
* Experience with trace actinide analysis in a cleanroom environment is an asset.
* Excellent oral and written command of English; knowledge of other IAEA languages (Arabic, Chinese, French, Russian, Spanish) is an asset.
Key Competencies
* Communication: communicates orally and in writing in a clear, concise and impartial manner.
* Achieving Results: takes initiative to define realistic outputs and evaluate results.
* Teamwork: actively contributes to achieving team results and supports team decisions.
* Planning and Organizing: plans and organizes work to support team or section priorities.
EEO Statement
* The IAEA’s paramount consideration in the recruitment of staff members is to secure employees of the highest standards of efficiency, technical competence and integrity.
* Staff members shall be selected without any unfair treatment or arbitrary distinction based on a person’s race, sex, gender, sexual orientation, gender identity, gender expression, religion, nationality, ethnic origin, disability, age, language, social origin or other similar shared characteristic or trait.
* The IAEA is committed to gender equality and to promoting a diverse workforce. Applications from qualified women and candidates from developing countries are strongly encouraged.
* Applicants should be aware that IAEA staff members are international civil servants and may not accept instructions from any other authority.
* The IAEA has a zero-tolerance policy on conduct that is incompatible with the aims and objectives of the United Nations and the IAEA, including sexual harassment, abuse of authority and discrimination.
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