Vehicles in big city

Principal RF Digital Signal Processing Engineer

Cambridge or Bristol

FocalPoint Positioning is an exciting start-up, backed by some of the biggest names in the tech industry and we are on a journey to revolutionise the positioning, navigation, and timing of smartphones and vehicles. We have created technologies that have rewritten the textbooks on how GPS works and are looking for talented scientists and engineers to join our team to help bring our products to the world.

The Opportunity

We are looking for a Principal RF Digital Signal Processing Engineer who is passionate about technology and excited about the goals of our company. You will join our GNSS team and help lead the development of our proprietary S-GNSS technology, in particular its deployment as a robust, optimised software product running on in-house and customer hardware. The role offers significant scope for professional development spanning the research and software engineering disciplines and mentorship of junior staff. You will also gain experience in advanced GNSS signal processing and navigation technologies.

Key Responsibilities

  • Help lead the development and deployment of RF signal processing software on in-house prototypes and customer hardware

  • Provide technical leadership to our product development teams

  • Contribute to our technology prototype and product roadmaps

  • Develop and maintain expertise in GNSS signal processing algorithms

  • Act as a technical mentor to engineers within the company

  • You may be required on occasion to use a variety of programming tools and languages as appropriate: e.g. C++, Python, Matlab

Your Experience


  • Good undergraduate degree in a relevant field
  • Relevant academic or industrial experience (e.g. use and development of RF signal processing algorithms in industry)
  • Strong programming experience in Matlab or C++


  • Knowledge of the full GNSS signal-processing chain
  • Strong programming experience in Matlab and C++
  • Experience with low-level embedded software development and testing (DSP)
  • Expertise in Kalman filters and other probabilistic estimation techniques
  • Knowledge of multi-sensor fusion techniques, including tight and deep coupling for GNSS-INS

Your Development and Perks

Your development is equally important as our business grows and we offer opportunities including appraisals, career development plans, training courses, feedback sessions through 1-2-1 meetings, knowledge-sharing and cross-training.

Our generous benefits package includes the following:

  • 5% matched contribution pension scheme

  • Flexible working (office and remote working to suit your needs)

  • 25 days annual leave + bank holidays

  • Extra annual leave between Christmas - New Year’s

  • Vitality Health core package private healthcare (also includes mental health cover, employee assistance programme, discounted gym memberships and more)

  • Access to CharlieHR PerksAtWork

  • Company Options Scheme

  • £2000 Recommend a friend scheme

  • Office-based Friday lunches on us

  • Office-based fruit deliveries and unlimited amounts of caffeine

Are You Ready to Change the World?

Our people are at the heart of everything we do. Our successes are achievements driven by our employees.

And that is why our culture is about investing, cultivating and growing our people. We thrive on being trailblazers in the industry and in being honest and the best at everything we do, we will always lead the way in the industry.

Equality, diversity and inclusion is what we continue to build upon. We aim to attract diverse talent from around the world, ensure fairness and equality is at the top of our agenda and sustain an inclusive culture where everyone can grow and succeed.

Apply for the job

Send in your application for the Principal RF Digital Signal Processing Engineer role.