Theoretical Physics

Theoretical physics at CERN explores the fundamental principles of particles and forces, providing the framework for understanding the universe at its most fundamental level. It transforms abstract concepts into testable predictions, ensuring that CERN remains at the cutting edge of discovery.

Decoding the Laws of the Universe

Theoretical physics seeks to unravel the fundamental principles that govern the cosmos, from the nature of the Higgs field to the mysteries of dark matter and extra dimensions. Using advanced mathematical models and high-precision calculations, it challenges existing paradigms and proposes new frameworks that push the boundaries of knowledge. Whether refining quantum field theories or exploring uncharted territory beyond the Standard Model, it provides the essential groundwork for experimental breakthroughs.

Ready to innovate?
Consult the job offers
Bridging Theory and Experiment
Theoretical physics at CERN plays a key role in shaping the research agenda of high-energy physics. By developing precise models and predictions, it helps design experiments, interpret data from the Large Hadron Collider (LHC), and explore signals that could reveal new physics. The synergy between theory and experiment ensures that every collision brings us closer to answering fundamental questions about the universe.
Exploring the Frontiers of Particle Physics
From refining the Standard Model to searching for new forces and symmetries, theoretical physics at CERN drives the quest for deeper understanding. It investigates open questions such as the nature of dark matter, the unification of forces, and the structure of space-time at the smallest scales—providing new directions for future research and experiments.
Advancing Mathematical Tools for Discovery
To push the boundaries of knowledge, theoretical physics relies on cutting-edge mathematical techniques, from quantum field theory to string theory and effective field theories. These tools allow physicists to explore complex interactions, develop new computational approaches, and make high-precision predictions that guide experimental discoveries.

Open positions in Theoretical Physics

That's a fact!
The Higgs boson, discovered at CERN in 2012, was predicted by theoretical physics nearly 50 years earlier.

Explore the diverse fields of work at CERN

Discover how your role can transition across various departments

Applied Physics

Applied Physics

Applied Physics at CERN plays a vital role in transforming theoretical concepts into tangible technologies that drive both scientific discovery and practical innovation. From developing cutting-edge particle detectors to contributing to global medical advancements, CERN's applied physicists are at the forefront of technology that changes the world.

Civil Engineering

Civil Engineering

Creating an inspiring and welcoming environment for CERN's scientific community by managing and developing CERN's buildings and infrastructures.

Data Science & Data Analytics

Data Science & Data Analytics

Our Data Analytics and Data Science experts transform massive datasets from large physics experiments into valuable insights leveraging cutting-edge algorithms and computational tools to drive innovation across various fields.

Electrical or Electronics Engineering

Electrical or Electronics Engineering

Pivotal in designing, developing, and maintaining the sophisticated systems that power our cutting-edge experiments.

Experimental Physics

Experimental Physics

CERN’s Experimental Physics challenges the limits of our understanding, transforming bold theories into high-energy collisions that reveal the universe’s deepest secrets. From designing experiments to analysing breakthrough data, our physicists push the boundaries of knowledge every day. Ready to turn theory into discovery?

Health, Safety and Environment

Health, Safety and Environment

Playing a pivotal role in ensuring the well-being of our people and the sustainability of our operations.

International Relations

International Relations

International Relations drive the Organization's strategy to build and maintain robust political, financial, and public support for CERN's scientific and societal missions.

Material and Surface Science

Material and Surface Science

Developing and maintaining advanced materials and surfaces essential for the optimal performance of particle accelerators.

Mathematics

Mathematics

Mathematics at CERN provides the essential language and tools that underpin theoretical models, data analysis, and algorithm development. From simulating high-energy collisions to optimizing detector performance, mathematical methods drive innovation across all areas of particle physics research.

Mechanical Engineering

Mechanical Engineering

Mechanical Engineering at CERN is crucial to advancing technology and enabling cutting-edge scientific discoveries. Our engineers design, build, and maintain sophisticated machinery, complex accelerator systems and experimental facilities that power some of the world’s most complex and impactful experiments.

Software Engineering and IT

Software Engineering and IT

Software is crucial to CERN's mission of producing particle beams for physics experiments, coordinating thousands of devices through a sophisticated accelerator control system. Our engineers and technicians develop software across all layers, from embedded real-time systems to micro-service-based backend servers and user interfaces. We leverage mainstream, open-source technologies such as Linux, Docker, Kubernetes, Java, Python, and Kafka, ensuring our knowledge is broadly applicable beyond CERN.

Support Services (Finance, HR, Legal, Procurement)

Support Services (Finance, HR, Legal, Procurement)

Support Services at CERN ensure smooth operations across the Organization, from finance, logistics and legal expertise to human resources, administrative support and scientific information management, enabling our scientists to focus on groundbreaking research.

Create an alert
Stay informed about new opportunities at CERN and don’t miss a chance to join us!
Find your Path There is a universe of opportunities at CERN; let us guide you
What's your domain?
What's your level of experience?