ICEYE

satellite communications engineer

In short

Senior satellite communications engineer role at ICEYE, a company operating a SAR satellite constellation for defence, intelligence, environmental monitoring, insurance and emergency management. The role owns the satellite-to-ground link architecture (X-band/Ka-band downlink, S-band command and control), works hands-on with code alongside software engineers, and requires prior flown-mission communications engineering experience plus link budget, CCSDS and coding skills in Python, Go or C++. Hybrid position based in Espoo, Finland, requiring security screening.

About ICEYE
ICEYE provides persistent monitoring capabilities using its SAR satellite constellation to detect and respond to changes anywhere on Earth. Its satellite-based intelligence serves customers in defence and intelligence, environmental monitoring, insurance, and emergency management.
Responsibilities
•Own the architecture of the satellite-to-ground link across X-band and Ka-band payload downlink and S-band command and control
•Measure the constellation's delivery against its theoretical capacity and lead work to close the gap
•Design data flows from ground stations to customers, including latency tiers and delivery accounting
•Build alongside software engineers by contributing code and reviews, not only architecture documents
•Lead technical initiatives across team boundaries and align teams on link and data path decisions
•Grow satellite communications expertise across the domain through mentoring, design reviews, and shared standards
Requirements
•Communications engineering experience on at least one flown mission, including personally diagnosing an anomaly on a live satellite
•High-rate payload downlink experience in X-band or Ka-band, beyond S-band command and control
•Ability to build and defend a link budget, including EIRP, G/T, Eb/N0, margin, rain fade, and elevation constraints
•Practical CCSDS knowledge, including transfer frames, virtual channels, synchronisation and channel coding, and file delivery
•Experience owning data flows from a ground station to where data is consumed, with latency and completeness guarantees
•Hands-on coding experience in Python, Go, C++ or similar, with a track record of shipping code
Nice to have
•Active use of AI-assisted development tools such as copilots and LLMs
•Fleet-scale contact planning and scheduling across commercial ground station networks (especially leased third-party capacity)
•DVB-S2/S2X with adaptive coding and modulation
•Delay-tolerant networking or other store-and-forward file delivery with completeness accounting
•SDR and DSP work using GNU Radio, FPGA or RFSoC (including personal or open-source projects)
•Awareness of spectrum regulation and coordination
Conditions
•Employment is subject to applicable security screening (including SUPO, where required)
•Benefits support health and wellbeing; offerings vary by location and applicable benefits will be confirmed during the process

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