Senior Digital Comms Payload Engineer

Aim high, go beyond!

At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge?

Then read on...

The Satcom team is responsible for the design, delivery and performance of Open Cosmos’ satellite communications services, spanning the space segment, ground infrastructure and global connectivity.

Joining our Satcom Solutions team, you’ll play a key role in developing the digital core of our communication payloads, ensuring performance, scalability, and resilience across complex satellite systems.

What will you be doing?

Defining digital subsystem architectures across satellite payload and ground communication systems

Translating high-level product and system requirements into scalable digital processing capabilities

Collaborating across payload, network, air interface, and security domains to deliver cohesive digital designs

Supporting future waveform and communication standard evolution including DVB-S2X and 3GPP NTN

Assessing emerging FPGA, ASIC, SoC, and chiplet technologies for suitability within space-grade environments

Leading Digital-in-the-Loop (DIL) modelling and prototyping activities to validate performance, latency, and power targets

Deriving compute resource requirements including throughput, memory bandwidth, LUT utilisation, and DSP allocation

Defining and governing high-speed digital interfaces including JESD204, SpaceWire, and high-speed Ethernet

Supporting the integration of secure hardware capabilities including encryption, secure boot, and resilience mechanisms

Translating architectural concepts into actionable specifications and interface control documentation for implementation teams

Providing technical oversight across firmware and hardware development activities to ensure alignment with system intent

What You’ll bring

Strong understanding of digital system architecture and high-performance processing within communication systems

Capability to define and integrate complex digital subsystems across space and ground environments

Knowledge of FPGA, ASIC, SoC, and emerging silicon technologies used within advanced processing systems