Have the opportunity to work in many areas of GCHQ, keeping records, sorting and filing papers, making simple calculations, writing letters and dealing with enquiries. Often tasks will include data entry and retrieval from computers.

To get full training in the skills that you need. And the opportunity to work in an environment of total professionalism.

A commitment to neatness and accuracy - plus the willingness to tackle a variety of routine jobs in a number of areas. You should have good written and spoken English and basic maths. Previous experience is useful but not essential.

Starting salary currently £9,204, depending on experience and qualifications. You'll get an annual review every October. Performance related pay enables those who perform to a consistently high standard to benefit accordingly.

Have the opportunity to perform key tasks in many areas of GCHQ. These include assisting with a wide variety of analytical, research and reporting tasks, drafting letters and reports, keeping records, interacting with other GCHQ departments and occasionally supervising Clerical Support Assistants. Much of your work will be PC based.

A fulfilling career, with the opportunity to rise as far as your abilities take you. You'll get full training in the skills that you need, plus possibilities to learn and use a foreign language.

Previous clerical experience, a commitment to neatness and accuracy - plus good written and spoken English and basic maths.

Starting salaries presently range from £11,260 to £14,592 depending on experience and qualifications. Performance related pay enables those who perform to a consistently high standard to benefit accordingly. Salaries are reviewed annually in October.