Maths and Cryptography Internship
GCHQ is the United Kingdom's intelligence, security and cyber agency, working to identify, analyse and disrupt threats to the UK.
About Government Communications Headquarters (GCHQ)
A UK public body whose statutory function includes foreign-focused signals intelligence. GCHQ uses technical capabilities, analysis and online effects across counter-terrorism, cyber security, serious and organised crime, strategic advantage and support to defence. It has publicly described responsible AI use in its national-security mission.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will collaborate with other undergraduate students on operationally relevant technical research projects. You will assess cryptographic algorithms, analyse complex datasets, develop statistical tools, research machine learning, programme high-performance computers and undertake mathematical research.
Requirements
- Study an undergraduate mathematics degree or joint honours degree with mathematics as the main component
- Have completed at least two taught years of the degree by June 2027
- Be on track to achieve a 2:1 qualification
- Have at least an A in A-level mathematics or equivalent
- Demonstrate sound mathematical ability
- Be a British citizen or hold dual British nationality
Responsibilities
- Conduct collaborative technical research projects
- Assess cryptographic algorithms
- Analyse complex datasets
- Develop statistical tools
- Research and apply machine learning
- Program high-performance computers
- Undertake mathematical research
Benefits
- 4.5 paid days off during the internship
- Flexible working hours for most of the summer
- Subsidised gym and restaurant
- On-site coffee bars
Hiring Process
Initial online application and pre-screening questions → online Situational Judgement Test → full application form → application form sift → virtual interview with technical presentation, competency and maths questions → vetting.