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 leadership

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