GCHQ is a world-leading intelligence, cyber and security agency with a mission to keep the UK safe. Our brilliant people use cutting-edge technology, technical ingenuity and wide-ranging partnerships to identify, analyse and disrupt threats to the UK.

Our priorities are set by the UK’s National Security Strategy and the decisions of the National Security Council, chaired by the Prime Minister, as well as the Joint Intelligence Committee.

We always strive to stay one step ahead of those who are looking to cause our nation and its people harm. Our focus changes as the global threats evolve. We are part of the national response to the Covid-19 pandemic; protecting the NHS, supporting the Government’s development of data science and improving our nation’s economic resilience. We are also tackling a shifting serious crime threat that is looking to exploit the crisis.

Our role in keeping the UK digital homeland safe and prosperous is more crucial than ever. We employ three capabilities across five mission areas to carry out our work.

Mission Areas

  • Counter Terrorism – Stopping terrorist attacks in the UK and against our interests overseas
  • Cyber Security – Making the UK the safest place to live and do business online
  • Strategic Advantage – Managing the threats from hostile states, promoting the UK’s prosperity and shaping the international environment
  • Serious & Organised Crime – Reducing the social and financial harm that serious and organised crime causes to the UK
  • Support to Defence – Protecting Defence personnel and assets and supporting an integrated approach to war fighting

Working for GCHQ

At GCHQ you can have a varied and rewarding career working for an organisation that is pioneering a new kind of security for an ever more complex world

One of the greatest things about working here is knowing that your contribution is helping to keep the nation safe. Everyone, from our Project Managers and Personal Assistants to our Intelligence Analysts and Cryptographers, plays their part in our nation’s security.

From our beginnings in the first world war we’ve been defined by our unique mix of talents and our ability to combine different ways of thinking to create breakthroughs that unlock the most complex challenges.

That still holds true today – we need the right mix of minds to meet the challenges of the future. We need people from all walks of life. People with aptitude and raw talent whom we can nurture. People with formal qualifications and experience of working elsewhere. People who can lead and make decisions. People who can work in teams and support and celebrate the success of others. People who can be role models and mentors.

Skills we look for

To support our unique mission, there are certain areas we need to recruit in large numbers for or find people with specific experience and skills – these include Computer Network Operations, Applied Research, Technology & Engineering, Languages, Mathematics & Cryptography, IT Services, Analysis, and Information Assurance.

Equally, we also need to employ the sorts of people that enable the smooth running of a large modern organisation. We need people who can work in Human Resources, Corporate Services, Project Management, Legal Services, Information Management, Procurement, Communications.


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