Embedded Software Engineer

About Archangel Lightworks
Archangel Lightworks is a laser communications company building wireless technology. Founded in 2017, we believe that laser communications to and from satellites is a key component of next-generation infrastructure. Our core product, the TERRA-M , is a deployable optical ground station with proven capability for space ground data transfer.
Our team develops and operates products that advance the security and resilience of critical national infrastructure. We value compassion, resilience, curiosity, ownership and integrity. Our start-up is a fast-paced and supportive environment, where you can contribute to novel technology with meaningful applications like reducing the Digital Divide.
Archangel Lightworks recently closed over £10 million of investment in an oversubscribed Series A funding round. Our company is also supported by the UK Space Agency, the UKs Department of Science and Technology (DSIT) and the UK Ministry of Defence.
About the job
To support our growth, we are looking for an experienced engineer withthe practicalskills andproblem solvingability to develop embedded software designs. This is a hands-on technicalrole,developing new software and systems tosupportcontrol, automation, and datadevelopments.
As an Embedded Software Engineer, you will be primarily responsible for the development of embedded systems, from design through implementation andtesting,to integration. You will work closely with the project and software leads, to deliver high performancecommunication and control systems. You will be able to take full responsibility for a design and see thatthrough tointegration on the ground station.
Your responsibilities will include:
Designing, developing and testing embedded software across different subsystems
Supporting test automation and system integration and deployment
Providing specialist skills ideally, to broaden the tests skill base (i.e. Linux, FPGA, IoT, image processing etc)
Contributing to the development, integration, testing, and operations for optical ground stations
Continuous improvements to software processes, including developing automated tests.
Requirements:
Real-Time / Embedded software development in C / C++
Development with RTOS (ideally FreeRTOS) and on Linux
Working with networking (Ethernet and IP), DMA, and hardware interfacing (I2C, SPI, CAN, and EtherCAT) protocolsDeveloping for multi-core and FPGA based systems
At least 4 years relevant commercial experience post-graduation
Proficient use of Git version control and CI systems
Python development, including test scripts.
Desirableadditionalskills:
Xilinx FPGA/MPSoC and associated tool chain (Vivado, Vitis etc) experience
Satcomm protocols, Optical free-space comms, and familiarity with Space related standards (CCSDS, ECSS, SDA etc)
High speed (1Gbps+) comms protocol implementation experience (forward error correction, clock recovery, zero copy etc)
IoT or cloud software integration and protocols, such as MQTT
Experience in FPGA development, VHDL or Verilog
Yocto Linux / Petalinux or buildroot build experience
Rust development experience
Control systems, Matlab / Simulink, including Embedded coder / HDL code generation
Managing CI/CD pipelines
Systems / requirements engineering experience, including use of UML /SysML.

Location: Our office is based inOsneyMead, Oxford.There may be opportunity to work from home as agreed with your linemanager.There may be opportunity for periodic business travel.
What we offer:
Opportunity to work on advanced optical systems to support a world-changing vision
A collaborative and transparent culture with strong links between functions
Regular socials and weekly company lunch
Professional development and skills growth within a specialist engineering field
Competitive salary and benefits package, with equity options in a growing start-up
25 days annual leave allowance plus bank holidays

Archangel Lightworks is an equal opportunity employer. As part of our commitment to equality, we work to ensure a fair and consistent interview process.If you need anyassistanceor accommodation to complete your application or assessment, please contact us through the application form.
We recognise that many candidates use AI tools when applying. Please ensure your application reflects your own experience, skills, and thinking. We assess applications based on authenticity and accuracy, so anything generated with AI should be reviewed, personalised, and representative of you.

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