Natural sciences – physics / mathematics jobs at international organisations – 20 vacancies

The vacancies are based in 8 countries. Most vacancies: CERN (9), ESA (3), IOM (3). Among them: 7 internships and entry-level posts, 1 consultancies. Next deadline: 8 Nov 2026. Updated 6 Nov 2026; vacancies past their deadline are removed daily.

• Applied Physicist/Engineer - ATLAS ITk (EP-ATL-TRK-2026-208-LD)

  Engineering, Natural sciences – physics / mathematics
  CERN · Geneva, Switzerland
  Deadline: 8 Nov 2026view vacancy ›

• Applied Physicist/Engineer - ATLAS ITk Integration (EP-ATL-TRK-2026-207-LD)

  Engineering, Natural sciences – physics / mathematics
  CERN · Geneva, Switzerland
  Deadline: 8 Nov 2026view vacancy ›

• Migration Health Physician

  Migration, Health, Medicine, Natural sciences – physics / mathematics
  IOM · Pretoria, South Africa
  Deadline: 8 Nov 2026view vacancy ›

• Associate Research Officer (Mathematics)

  Science and research, Administrative assistance / support, Natural sciences – physics / mathematics
  UNESCO · Trieste, Italy
  Deadline: 9 Nov 2026view vacancy ›

• Head of Section (Mathematics) / Senior Research Scientist

  Management, Science and research, Natural sciences – physics / mathematics
  UNESCO · Trieste, Italy
  Deadline: 9 Nov 2026view vacancy ›

• Local Consultant B - Migration Health Physician

  Migration, Health, Medicine, Natural sciences – physics / mathematics
  IOM · Banjul, Gambia
  Deadline: 9 Nov 2026view vacancy ›

• Migration Health Physician

  Migration, Health, Medicine, Natural sciences – physics / mathematics
  IOM · Rabat, Morocco
  Deadline: 9 Nov 2026view vacancy ›

• Event Reconstruction Physicist (EP-FCC-2026-166-GRAP)

  Architecture / construction / facilities, Natural sciences – physics / mathematics
  CERN · Geneva, Switzerland
  Deadline: 13 Nov 2026view vacancy ›

• Software Engineer in Physics Simulation (IT-CE-PSE-2026-167-GRAP)

  IT – software development, IT – other, Engineering, Natural sciences – physics / mathematics
  CERN · Geneva, Switzerland
  Deadline: 13 Nov 2026view vacancy ›

• Student Assistant (f/m/d) Detectors - 20h/week

  Administrative assistance / support, Natural sciences – physics / mathematics
  European XFEL · Schenefeld, Germany
  Deadline: 19 Nov 2026view vacancy ›

• PhD student (f/m/d) in Theoretical and Computational Physics - part-time (29,25 hrs/week)

  Natural sciences – physics / mathematics, Science and research
  European XFEL · Schenefeld, Germany
  Deadline: 23 Nov 2026view vacancy ›

• Control Software Engineer - Particle Accelerators (TE-MPE-CB-2026-213-LD)

  IT – software development, Engineering, Natural sciences – physics / mathematics
  CERN · Geneva, Switzerland
  Deadline: 29 Nov 2026view vacancy ›

• Intern in the Future Missions Department - Astrophysics Section of the Prodex Office

  Natural sciences – physics / mathematics, Internship / young professionals
  ESA · Noordwijk, Netherlands
  Deadline: 30 Nov 2026view vacancy ›

• Intern in the Mechanical Department - Life Support and Physical Sciences Instrumentation Section

  Technical / electronics / mechanics, Science and research, Natural sciences – physics / mathematics, Internship / young professionals
  ESA · Noordwijk, Netherlands
  Deadline: 30 Nov 2026view vacancy ›

• Intern in the Mission Operations Department - Astrophysics Missions Division - Spacecraft Operations

  Administrative assistance / support, Space / satellite technology, Natural sciences – physics / mathematics, Internship / young professionals
  ESA · Darmstadt, Germany
  Deadline: 30 Nov 2026view vacancy ›

• Short Term Internship 2027 - Applied Physics

  Natural sciences – physics / mathematics, Internship / young professionals
  CERN · Geneva, Switzerland
  Deadline: 1 Nov 2027view vacancy ›

• Short Term Internship 2027 - Experimental Physics

  Natural sciences – physics / mathematics, Internship / young professionals
  CERN · Geneva, Switzerland
  Deadline: 1 Nov 2027view vacancy ›

• Short Term Internship 2027 - Theoretical Physics

  Natural sciences – physics / mathematics, Internship / young professionals
  CERN · Geneva, Switzerland
  Deadline: 1 Nov 2027view vacancy ›

• Full Time Particle Accelerator Operator F/M

  Natural sciences – physics / mathematics
  ESRF · Grenoble, France
  view vacancy ›

• Theoretical Physicist (TH-SP-2026-68-LD)

  Natural sciences – physics / mathematics
  CERN · Geneva, Switzerland
  view vacancy ›