Principal Software Engineer

## Principal Software Engineer Presenta candidaturalocations:
GB
- Yeovil
- Lysander Rdtime type:
Full time posted on:
Offerta pubblicata oggitime left to apply:
Data fine: 24 luglio 2026 (14 giorni rimanenti per candidarsi) job requisition :
R0030585
*
* Job Description:

*** Salary Range: £53,000 - £55,000
** Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.
*** Your Impact
** We are looking for a highly skilled Principal Software Engineer to join our CS&T Dev Ops team, who are responsible for developing and supporting applications that improve Through Life Engineering Management of aircraft.

The team’s mission is to *“make it easy to measure, understand and improve the Through Life Engineering Management of aircraft and provide information and insight to the customers to enable efficient and effective maintenance operations and fleet management.”
* Reporting to the System Development Manager, you will take ownership of complex software tasks, contribute to Agile ceremonies, support existing applications, and help shape the evolution of our technology stack.

For the awareness of internal applicants:
This is a JFF L6 position.
** What you will do as a Principal Software Engineer:
**** Capability Delivery
*** Develop and update high‐quality, maintainable code within a version‐controlled environment.
* Create and maintain unit tests to support CI/CD pipelines.
* Design and implement solutions using established tools, frameworks, and design patterns.
* Produce clear documentation to support QA, support teams, and end‐users.
* Assist support teams by providing deeper technical insight into delivered functionality.
** Team & Process Improvement
*** Work flexibly across roles within the Dev Ops team, sharing knowledge and adapting to business priorities.
* Promote and facilitate Agile methodologies throughout the development lifecycle.
* Provide technical expertise in areas such as data analysis, visualisation, technical publication tooling, integrated logistics support, and health & usage monitoring.
* Drive continuous improvement through retrospectives and proactive identification of enhancements.
** Customer & Business Engagement
*** Provide accurate time estimates to support bids and cost analysis.
* Collaborate with management to monitor risks, schedules, and performance.
* Engage with internal and external stakeholders to ensure service levels and customer satisfaction.
** What you'll bring:
*** Degree in Computer Science, Engineering, or equivalent experience.
* Proven experience delivering complex software projects to military or commercial customers.
* Strong ability to interpret requirements and design intuitive, engaging user interfaces.
* Proficiency in web‐delivered applications across frontend and backend technologies (e.g.,
** C++, C#, ASP.NET, Python, JavaScript, Angular, ReactJS**).
* Experience with CI/CD practices and unit testing.
* Skilled in working with structured data formats (XML, JSON, SGML) and transformation languages (XSL, XSLT).
* Experience developing multithreaded applications handling large datasets.
* Strong database design and optimisation skills (SQL Server, Oracle, MariaDB, SQLite).
* Understanding of data warehousing strategies (e.g., Kimball) and multi‐dimensional data cubes.
* Proficient with version control systems and branching strategies.
* Solid understanding of networks, systems, and security requirements.
* Excellent communication skills and a collaborative mindset.
* Methodical, organised, and comfortable working in an Agile environment.

This is not an exhaustive list, and we are keen to hear from you even if you might not have experience in all the above. The most important skill is a good attitude and willingness to learn.
** Working Environment
** The role operates within a global context, supporting a wide range of IT‐based systems in a technically complex environment. As the document notes, you will…