ALL.SPACE is hiring a

Principal RF & mmWave Test Validation Engineer - ID: 7002

Reading, United Kingdom

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We hire those that seek to innovate across people, process and technology. Join our global workforce, visualise the future and strive for success. Our engineering campus and corporate offices in the UK and US are optimal environments for ideas and innovation to flourish.

ALL.SPACE, formerly Isotropic Systems, has developed the 5th generation smart terminal, capable of linking with all satellites, all networks, in all orbits, all at once. Our ground-breaking software-defined service enablement platform integrates intelligent routing, edge computing and on-demand services to deliver unprecedented network resilience and application performance. Whether you're on land, sea or air, we ensure that you stay connected.

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We are looking for an experienced Principal RF Test Engineer to join our fast-paced, innovative Active Circuits Engineering team and work as a technical expert in the High Frequency RF test area. As a key member of the IC Test & Validation team, you will work with a multi-disciplinary cross functional team to execute the overall product and system. The candidate will work as a technical expert in the RF test domain and also provide mentorship to other test engineers.

Responsibilities include Test and design validation activities, defining test methodologies for RF component testing, characterisation and driving production readiness of high-performance active circuits in a Satellite Ground system with frequency ranging from 10 GHz to 40 GHz. Components include PAs, LNAs, RF switches, mixer, VCO, PLL, transceiver, and beamformer ICs typically used in the fast-paced and high-volume cellular market.

The candidate will play a critical role in products realisation, they will be working closely with the design team conducting comprehensive testing and data collection, data preparation and presentation in an R&D environment.

Experience & Qualification Requirements:

  • Highly qualified candidates with a bachelor’s/Masters/Ph.D. degree with 10+ years of RF Test and Evaluation
  • Well exposed to RF, Analog, and Digital design
  • Good Knowledge in RF circuit measurement is a must (scattering parameters, intermodulation, gain compression, stability)
  • Good Knowledge in mm-wave amplifiers, mixers IC, beamformer IC, low noise amplifiers & Power amplifiers is required
  • Good knowledge in measuring and understanding of RF measurement parameters like S-parameter, Stability, Noise Figure(NF), Linearity (P1dB), Intermodulation (IM3), Conversion gain, Single/Multi Channel signal Analysis (Standard Modulation schemes, Digital Video, etc)
  • Hands on experience is required for performing above RF measurement parameters using Laboratory Test Equipment such as Network Analysers & its applications, Signal Analysers, Phase Noise Analysers and industry standard test equipment for signal analysis
  • General understanding of LNA, PA, RF Passives, Mixers, Beamformers
  • General understanding of Integer/Fractional N PLL/frequency synthesiser
  • Creating compliance matrices against spec, plotting results, and presenting results
  • Identifying test components for RF testing according to test methodology

Desirable Skills:

  • Knowledge on programming languages like Python, Octave & Matlab
  • Knowledge in ADS, SystemVUE & PCB tools
  • Follows first time right execution approach
  • Must be able to document and present their work concisely
  • Team player and willingness to work in a fast-paced environment to deliver the product on schedule


  • Generous stock options
  • Annual bonus
  • 25 days annual leave
  • Public holidays
  • Travel to work schemes
  • Fruit, snacks & drinks
  • Discounts platform
  • Well-being centre
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