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NATS is the UK’s leading air navigation service provider, handling over 2.4 million flights each year. We provide air traffic control services from two control centres and at airports around the UK. We also provide a wide range of commercial products and solutions internationally. Our people are at the heart of our purpose to advance aviation and keep the skies safe.
Salary: £62,278.99 - £83,038.65
Closing Date: 2/2/2026
Please Include a Cover Letter with your application.
Please Note: This role will ideally require regular office attendance.
Job Purpose/Overview
We are looking for a systems engineer to join and complement our existing team in supporting our IBM mainframe environment. The ideal candidate will have a solid IBM system programming background, hands‑on experience configuring IBM Z servers, and a good working knowledge of REXX.
This is a role within the Flight Domain of the Systems Engineering and Software Engineering team, working on both asset sustainment and transformation programme delivery. System areas include: Flight Data Processing, Queue and Capacity Management, Separation Provision, and Traffic Synchronisation Tooling.
The specific system in this case is the NAS Bureau, which will involve tasks such as:
Other Duties Include
Autonomy
Operates with autonomy in system-specific matters under the direction of the Domain Leadership. Responsible for delivering agreed outputs and maintaining system documentation and assurance artefacts. Escalates decisions outside of agreed scope, all within the boundaries of NATS Business Management processes (BMS).
Job Scope
Essential Skills and Experience
Additional Vacancy Information
We are proud to offer a fantastic total reward package to help you thrive both personally and professionally - for more information on what NATS can offer you please visit - Why NATS?
We have adopted agile working to provide greater flexibility and increased choice over working arrangements, with the opportunity for this role to work in our modern office facilities as well as remotely. We also welcome discussions on flexible and part-time working arrangements. Find out more here.
If you share our passion to advance aviation and keep the skies safe – we would like to hear from you whatever your age, sex, race, faith, sexual orientation, gender identity, gender expression, visible or invisible disability. Individuals that bring different perspectives, skills, life experiences and backgrounds help us be at the forefront of our industry.