Software Engineer

23 Nov 2017
End of advertisement period
14 Jan 2018
Academic Discipline
Engineering & Technology
Contract Type
Fixed Term
Full Time


Software Engineer in the BEAMS Department (BE), the Beams Instrumentation Group (BI), the Software Section (SW).

As a Software Engineer you will join the Beams Department (BE), responsible for the beam generation, acceleration, diagnostics, controls and performance optimization for the LHC and its injector accelerators (  You will be part of the Software Section (SW) of the Beam Instrumentation Group (BI). This Section provides the software necessary to develop, test, diagnose and maintain the different instruments produced by the BI Group ( You will take part in developing, testing and maintaining the software required for the diagnostic devices used by the accelerator operators to control the particle beams being produced and accelerated at CERN.


As a Software Engineer you will:

  • Take responsibility for systems: discuss and negotiate with stakeholders to understand their needs; propose and specify suitable solutions to fulfil client needs and the evolution of the systems;
  • Develop the real-time software (C++) using the software frameworks employed at CERN and according to specifications you will help to clarify and document;
  • Specify and develop supporting graphical user interfaces and tools, used by experts to configure and diagnose the systems;
  • Maintain and upgrade existing software, in close collaboration with equipment specialists and end-users;
  • Assist the users (operators, specialists, physicists) in the use of the systems, acting on their feedback in order to further optimise performance;
  • Contribute to the improvement of software engineering practices and possibly mentor junior developers;
  • Develop and configure online and offline software for data acquisition and analysis.


Master's degree or PhD or equivalent relevant experience in the field of computing, computer science, software engineering, or equivalent.

Experience and competencies

The experience required for this post is:

  • Demonstrated experience in modern, object-oriented software techniques using C++;
  • Demonstrated experience of the software development life cycle: unit testing, continuous integration, version control, and documentation;
  • Experience applying software quality assurance techniques, and practice with corresponding tools;
  • Proven experience in maintaining and supporting complex operational software;
  • Experience in the field of real-time software design.

The technical competencies required for this post are:

  • Programming/Software development: C++, Scrum and Agile development methodologies or similar; experience in Java and Python would be an advantage.
  • Application support: investigating and resolving issues and documenting the systems; it may also include monitoring their performance.

The behavioural competencies required for this post are:

  • Achieving results: following through on new ideas and innovations; planning and implementing application; driving work / projects along and seeing them through to their conclusion.
  • Working in teams: building and maintaining constructive and effective work relationships; working well in groups and readily fitting into a team; participating fully and taking an active role in team activities.
  • Solving problems: identifying, defining and assessing problems, taking action to address them; finding the information needed to solve problems; making objective judgments based on all the facts available.
  • Learning and sharing knowledge: sharing knowledge and expertise freely and willingly with others; coaching others to ensure knowledge transfer; proposing ways to improve or streamline existing procedures, processes and methodologies.

The language competencies required are:

  • Spoken and written English or French: ability to draw-up technical specifications and/or scientific reports and to make oral presentations in at least one of the two languages.

Eligibility and closing date

Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organization. Employing a diverse workforce is central to our success.

We welcome applications from all Member States and Associate Member States.

This vacancy will be filled as soon as possible, and applications should normally reach us no later than 14.01.2018.

By applying here, you allow CERN to consider your application for any position it considers relevant with respect to your profile. Please ensure you update your profile regularly with any relevant information and that you inform the recruitment service if you wish your file to be removed from the database.

Note on Employment Conditions

We offer a limited-duration contract for a period of 5 years. Limited-duration contracts shall terminate by default on their date of expiry.

Subject to certain conditions, holders of limited-duration contracts may apply for an indefinite position.

These functions require:

  • Work in radiation areas.
  • Interventions in underground installations.
  • Stand-by duty, when required by the needs of the Organization.
  • Work during nights, Sundays and official holidays, when required by the needs of the Organization.

Read more about employment conditions

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