Principal Software Engineer
Principal Software Engineer

Principal Software Engineer

London Full-Time 60000 - 84000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead the design and optimisation of software for advanced satellite communication systems.
  • Company: Join a global leader in space-resilient computing powering missions for NASA and ESA.
  • Benefits: Enjoy hybrid working, competitive salary, and the chance to work on groundbreaking technology.
  • Why this job: Be part of a mission-critical team shaping the future of space-tech and satellite communications.
  • Qualifications: Bachelor's/Master's in Computer Science or related field with strong embedded software experience.
  • Other info: Exciting opportunity to mentor teams and work on cutting-edge projects in a dynamic environment.

The predicted salary is between 60000 - 84000 £ per year.

We’re Hiring: Principal Software Engineer – Satellite Systems

Location: Surrey-based (Hybrid)

Sector: Satellite Communications | Embedded Systems | Space-tech

GTS Space is partnering with a leading company in the space-tech sector, which is on the lookout for a Principal Embedded Software Engineer. Our client is a global trailblazer in space-resilient computing — their technologies are already powering over 50 successful space missions across the solar system, with clients like NASA and ESA. With teams on three continents, they’re looking for a Principal Software Engineer to join them in their Surrey office.

This is a rare chance to work on mission-critical software for cutting-edge satellite communications and onboard processing systems.

Your Mission:

  • Lead the design and optimization of software for advanced satellite communication systems
  • Define architecture and drive the development of embedded, real-time solutions
  • Collaborate closely with systems engineers to integrate hardware and software
  • Guide and mentor engineering teams, conduct code reviews, and enforce best practices
  • Ensure robust testing, validation, and reliability for space-bound systems
  • Document design decisions and development processes meticulously
  • Keep pace with the evolving space-tech ecosystem and its technologies

Who You Are:

  • Bachelor's/Master's in Computer Science, Electrical Engineering, or related field
  • Strong experience in embedded software development, ideally within the space industry
  • Proficient in C++ and real-time operating systems (RTOS)
  • Familiar with SDRs, FPGA programming, and embedded Linux (Yocto/Buildroot)

Bonus Points For:

  • ESA project experience
  • Linux Kernel and Xilinx toolchain familiarity
  • Signal processing, RF frontend, or CCSDS protocols
  • Scripting (Python, Bash), Git, and version control expertise

If this Principal Software Engineer is something you would like to hear more about, please reach out to us ASAP as our clients are looking to interview and office ASAP.

Principal Software Engineer employer: GTS Group Ltd

GTS Space is an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration in the thriving space-tech sector. Located in Surrey, our hybrid working model provides flexibility while engaging in groundbreaking projects for prestigious clients like NASA and ESA. With ample opportunities for professional growth and mentorship, you will be part of a global team dedicated to pushing the boundaries of satellite communications and embedded systems.
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Contact Detail:

GTS Group Ltd Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Software Engineer

✨Tip Number 1

Familiarise yourself with the latest advancements in satellite communications and embedded systems. This will not only help you understand the role better but also allow you to engage in meaningful conversations during interviews.

✨Tip Number 2

Network with professionals in the space-tech sector, especially those who have experience with companies like NASA or ESA. Attend industry events or webinars to make connections that could lead to referrals.

✨Tip Number 3

Brush up on your C++ skills and get comfortable with real-time operating systems. Consider working on personal projects or contributing to open-source projects that showcase your expertise in these areas.

✨Tip Number 4

Prepare to discuss your experience with mentoring and leading teams. Think of specific examples where you've guided others in best practices, as this is a key aspect of the Principal Software Engineer role.

We think you need these skills to ace Principal Software Engineer

Embedded Software Development
C++ Programming
Real-Time Operating Systems (RTOS)
Satellite Communication Systems
System Architecture Design
Hardware-Software Integration
Code Review and Best Practices
Testing and Validation for Space Systems
Documentation Skills
Familiarity with Software Defined Radios (SDRs)
FPGA Programming
Embedded Linux (Yocto/Buildroot)
Signal Processing
RF Frontend Knowledge
CCSDS Protocols
Scripting Skills (Python, Bash)
Version Control (Git)

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience in embedded software development, particularly within the space industry. Emphasise your proficiency in C++ and any relevant projects that showcase your skills in real-time operating systems.

Craft a Compelling Cover Letter: Write a cover letter that not only outlines your qualifications but also expresses your passion for space technology. Mention specific projects or experiences that relate to satellite communications and how you can contribute to the company's mission.

Showcase Relevant Skills: In your application, clearly list your technical skills such as familiarity with SDRs, FPGA programming, and embedded Linux. If you have experience with scripting languages like Python or Bash, make sure to include that as well.

Highlight Leadership Experience: Since the role involves guiding and mentoring engineering teams, be sure to mention any previous leadership roles or experiences where you conducted code reviews and enforced best practices. This will demonstrate your capability to lead effectively.

How to prepare for a job interview at GTS Group Ltd

✨Showcase Your Technical Expertise

Be prepared to discuss your experience with embedded software development, particularly in the space industry. Highlight specific projects where you used C++ and real-time operating systems, as well as any relevant technologies like SDRs or FPGA programming.

✨Demonstrate Leadership Skills

As a Principal Software Engineer, you'll be expected to guide and mentor teams. Share examples of how you've led projects, conducted code reviews, and enforced best practices in previous roles to showcase your leadership capabilities.

✨Prepare for System Integration Questions

Expect questions about collaborating with systems engineers to integrate hardware and software. Be ready to discuss your approach to ensuring seamless integration and how you handle challenges that arise during this process.

✨Stay Updated on Space-Tech Trends

Familiarise yourself with the latest developments in the space-tech ecosystem. Being able to discuss current trends and technologies will demonstrate your passion for the field and your commitment to staying informed.

Principal Software Engineer
GTS Group Ltd
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  • Principal Software Engineer

    London
    Full-Time
    60000 - 84000 £ / year (est.)

    Application deadline: 2027-05-01

  • G

    GTS Group Ltd

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