Computer Network Operations Ref. 1833

Stonewall Diversity ChampionDisability confident leaderThe Guardian UK 300 logo

Operational and Surveillance
Cheltenham, Scarborough

GCHQ, the longest standing code-breaking intelligence agency in the UK, is offering you an exciting opportunity to join our Organisation as either a CCNO Online Technologist or a CNO Online Technologist.


CCNO Online Technologist roles will suit those who have the knowledge required for defending systems and networks. Your work will directly support the whole range of GCHQ’s cyber capabilities, and is dedicated to designing, developing or utilising bespoke tools to help save lives.  One day, you may be carrying out operations to retrieve vital online clues about the location and identity of members of an organised crime ring. The next day, you could be carrying out vulnerability research in support of national security objectives for network defence purposes in support of military operations across the full spectrum of cyber activities.

As a CNO Online Technologist, you’ll develop solutions to counter attack an array of threats operating in a dynamic and demanding technical environment.  Your skills could cover numerous technical areas, from the administration of complex operational infrastructure to the development of sophisticated software and everything in-between.  You’ll have an affinity for technology, a desire to learn and adapt to an ever-changing set of adversaries.  We need people to develop the solutions required to gather intelligence and disrupt those that seek to do the UK and its citizens.   

Our flexible working policy ensures a healthy work-life balance. Wherever possible, we accommodate reduced hours or job share options, balanced against business needs.


If you’re excited about working with us and think you have some of what we’re looking for but aren’t sure if you’re 100% there yet… Rule yourself in and give it a go!

We’re looking for passionate individuals from a diverse range of backgrounds, who will strive working in a team and value the different perspectives of others, you’ll have an interest in technology and how it works, and have the ability to apply technology creatively to solve problems.  You relish a challenge and are willing to experiment to find a solution.  You recognise the breadth of internet technologies and both the benefits and drawbacks that they offer the world.   Keeping up with the latest developments in technology, you’ll able to grasp computing concepts and to apply your knowledge above and beyond academia.  Along with an ability to work lawfully, ethically and impartially at all times. You stay safe online, and are aware of cyber threats, and the importance of digital data.

We welcome applications from experienced candidates who currently work within a related field irrelevant of educational background. Alternatively, you have, or expect to obtain shortly, a 2:2 degree or above in STEM subject with a proven ability to work within the areas noted above from previous work experience, personal projects or degree related study.


At GCHQ we’re proud of our inclusive and supportive working environment that’s designed to encourage open minds and attitudes. As an organisation that values and nurtures talent, we’re committed to helping you fulfil your potential. With comprehensive training and development opportunities, tailored to your needs and the requirements of your work, we’ll enable you to flourish in your role and perform to the very best of your abilities.


At GCHQ, we work closely with other intelligence agencies to keep the nation safe. We work against unique, complex threats – everything from cyber attacks and espionage, to terrorism and organised crime. It means your work will be incredibly interesting, and unlike anything you’ll find anywhere else.


Basic salary of £28,804 (includes a concessionary payment) plus skills payments ranging from £3,000 - £6,500 depending on role and capability


Cheltenham (located within an hour’s journey of Birmingham and Bristol) and Scarborough


To apply for this position, you must meet our nationality, residency and security requirements.  You’ll find more details here: Recruitment Process.

As users of the disability confident scheme, we also guarantee to interview all disabled candidates who meet the minimum criteria for our roles.

You can familiarise yourself with the general competencies we use to assess the aptitude of candidates here: Recruitment Process.

Be prepared to dedicate 60-90 minutes to completing your application. We’re conscious this might be more time than you expected, so our system will allow you to save your application at any time and come back to it later. But remember to submit your full application before the closing date.

Once we’ve established that you meet our eligibility criteria, the next steps of this selection process are:

- Application Form
- Personal interview*
- Drug test

*Interviews will be held in Cheltenham.
If you successfully complete these stages, you’ll receive a job offer, conditional upon you completing our developed vetting (DV) process which enables you to obtain the level of security clearance required to perform this vital role

This Program / Vacancy is closed to applications.