Software Engineer, Senior Developer

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.

Closing Date: 24/9/2026

Manage or work on work packages concerned with the development and maintenance of software components and systems / sub-systemsin order to contribute to the development and support of NATS systems.

• Analysis design and implementation of changes to software components, in accordance with customer requirements, budget and schedule.
• Management of and responsibility for work packages involving the development and delivery of software in accordance with performance, quality, budget and schedule requirements.
• 3rdand 4thline support for NATS software systems, requiring a responsive and flexible approach to ensure a high utilisation of these systems.
• Contribute to proposals by assisting with activities such as requirements capture, risk analysis, prototyping, and the production of written proposals and Feasibility&Options reports.
• Supervision and guidance of engineers assigned to the Job Holder’s work package.
• Production and maintenance of documentation covering the full development lifecycle including software assurance documentation when developing assurance level 4 software.
• Provision of expertise and knowledge in the rapidly changing field of commercial software and systems used by NATS systems.
• Ensure that the processes and tools used in the development of software systems are efficient and effective.

• Works unsupervised referring to Work Package Leadto review progress weekly.
• Within the resource limits agreed with the Software Engineering Practice Manager for the job holder’s work package, the job holderis responsible for utilising the available resources to deliver the work package outputs into the project.
• Responsible for guiding and supervising junior staff assigned to the Job Holder’s work package.
• Junior software engineering staff refer to the Job Holderfor :
• Technical guidance on solutions.
• Direction in terms of their contribution to the Job Holder’s work package.
• When the Work Package Lead has agreed the jobholders proposals to technical solutions, the job holder has freedom and responsibility to implement them.

The Job Holder reports to a Software Engineering Manager / Senior Software Engineer.

The Software Engineering Practice Manager can appoint the job holder to manage a discrete work package. The job holder can also haveexpertisein a particular technical field, (e.g. programming languages, software packages) and can be called upon toprovidetechnical advice intheirfield to customers and other Service staff as appropriate. The job holder works in a team led by a Software Engineering Manager or a Senior Software Engineer andis responsible forthe close supervision of staff assigned to work ontheirwork package.

The jobholder:

-

• Is responsible for designing and implementing changes to systems / sub-systems and the development and maintenance of software componentsallocatedto the job holder in the form of work packages.
• Is responsible for:
• Estimation of the resources and schedule associated with the execution of a work package.
• Highlighting any risks or dependencies associated with a work package.
• Providing technical guidance and direction to junior software engineering staff.
• Delivering the outputs of a work packagein accordance withthe project’s requirements for the performance,budgetand schedule of the work package outputs.
• Needs to respond, at short notice, to…