Mercury Mission Systems Spain is specialized in the design, manufacturing and maintenance of complex high-performance safety and mission critical avionics and defense computers. We are part of Mercury Systems Inc., a US based company.

We are looking for a new talent to join our Software team in Getafe (Madrid), Spain:

? Principal Software Engineer

Are you an experienced embedded software engineer looking to lead complex software activities within the avionics sector?

Mercury is looking for a Principal Software Engineer to combine hands-on software development with technical leadership across avionics projects. You will help shape software plans, coordinate activities across internal teams and subcontractors, and ensure software delivery aligns with project and certification requirements.

What you’ll be doing
• Leading software activities across avionics projects
• Specifying, designing, coding and testing embedded avionics software
• Developing and integrating software modules in C/C++
• Working with Linux kernel drivers, VxWorks 653, RTOS BSPs and application software




• Establishing software plans and tracking project delivery against them
• Supporting software verification and developing verification scripts in Python
• Coordinating internal teams and subcontractors responsible for verification activities
• Providing technical software support to customers and supporting DO-178C audits
• Preparing basis-of-estimate inputs for software activities

What we’re looking for
• A Master’s degree in Information Technology, Electrical Engineering or a related discipline
• Proven industrial experience as an embedded software engineer
• Strong knowledge of DO-178C and DO-330
• Experience with avionics RTOS BSPs and software lifecycles
• Linux kernel driver development experience
• Software project management skills, including task definition, planning and progress tracking
• Fluent English

If you are ready to combine technical depth, hands-on development and software l

📌 Principal Software Engineer (Getafe)
🏢 Mercury Systems
📍 Getafe