Senior Software Engineer

Salary: £66,000 - 106,000 per year

Requirements:

• We require knowledge of embedded real-time development and the hardware/software interface.
• We require an understanding of real-time operating system behavior and software requirements analysis.
• We require proficiency in procedural (C) and object-oriented (C++) languages.
• We require an understanding of data communications (e.g. 1553, RS422) and networking principles.
• We require practical experience in real-time embedded development, integrating and debugging on target hardware, and using real-time operating systems.
• We require a track record of developing C/C++ applications.
• We require awareness of the principles and levels of software testing.
• We require a BEng/BSc (Hons) degree or equivalent in computing or a computing-related subject, or an alternative qualification with relevant experience.
• We consider knowledge of UML and Agile development methodologies desirable.
• We consider experience in Graphical User Interface design and development desirable.
• We consider understanding of software configuration control desirable.
• We consider the ability to undertake roles beyond software development, such as Software Architect or Software Engineering Manager, desirable.
• We consider practical experience in model-driven software development, using change management and version control systems, and developing under a range of software methodologies desirable.
• We consider a degree in Micro Electronics & Computing/Software Engineering desirable.

Responsibilities:

• We design and develop real-time embedded software solutions.
• We integrate and debug solutions on target hardware, addressing hardware/software integration issues.
• We target multiple real-time platforms, such as VxWorks, MicroC/OS, Linux, and FreeRTOS, using C and/or C++.
• We participate in various software lifecycle methodologies.
• We manage software requirements and traceability using industry best practices.
• We plan and execute software tests at unit, integration, and system levels.
• We develop reusable software solutions.
• We document all aspects of the software production process according to company standards.

Technologies:

• Architect
• Embedded
• FreeRTOS
• Hardware
• Support
• Linux
• Security
• UML
• C++

More:

We are Thales, based in Belfast, United Kingdom, and we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better and keep us safer. We innovate across Aerospace, Defence, Security, and Space, and our Integrated Airspace Surveillance team provides advanced surveillance solutions for air traffic control, air defence, and homeland security. We offer flexible working patterns where possible, including part-time hours, job sharing, home working, and flexible start and finish times, and we support career development in a supportive, inclusive, and barrier-free recruitment environment. This full-time role is based in Belfast and requires SC Clearance, with our wider mobility policy supporting career growth at home and abroad.

last updated 35 week of 2026