Maths and Cryptography Opportunities - Registration Of Interest Ref. 3825

Make your maths skills count for more.

Are you a maths student or graduate looking for an exciting first step in your career? Or are you in a mathematical role and ready for a change? Do you have a passion for maths and a love of learning? Are you curious about how your skills could help GCHQ protect the UK? We’ve got a variety of upcoming opportunities in our Maths and Cryptography teams, from permanent roles through to two-week insight programmes and nine-week summer internships.

Our Maths and Cryptography teams at GCHQ solve an incredible range of interesting problems every day. From evaluating existing theorems and developing new ones, to using cutting-edge technology to contribute to security projects, the work they do is fascinating, rewarding, and impactful. And you could be part of it.

We’re looking for people with mathematical skills to get involved in our work. And we’ve got a few opportunities on offer, depending on what you’re looking for and where you’re at in your degree.

What opportunities are there?

Maths and Cryptography Roles

Working across cryptography, cryptanalysis, network exploitation, cyber security, data science, digital signals and mathematical modelling (to name just a few areas), you’ll receive support and mentoring as you learn to become a maths and cryptography specialist. Begin an incredible career full of interesting challenges where you’ll never stop learning.

Role type: These are permanent roles. During the initial training period, full-time office attendance is required. Once training is complete, a range of flexible working arrangements may be available, including flexitime, part-time working and compressed hours.
Please note that home working opportunities are very limited. Candidates should be prepared and able to attend the office on a full-time basis where required.

Who should apply? By September 2027, you’ll have or expect to obtain at least a 2:2 undergraduate degree (or equivalent qualification) in a mathematical discipline, including (but not limited to) mathematics, computer science, statistics or physics. If you aren’t a recent graduate, you’ll still need a 2:2 degree in a mathematical discipline, plus you’ll need to have been working recently in a role where maths is the main component.

Salary: £37,892, plus recruitment bonus of £4,738. After your first year in-post you’ll also have the opportunity to qualify for an annual Specialist Skills Payment starting at £4,738.