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# Senior Spectrum Systems Engineer

- **Company:** Open Cosmos Ltd.
- **Location:** UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Python (Programming Language), MATLAB, Verification and Validation (Software), Subsystems, Modeling and Simulation
- **Published:** July 25, 2026
- **Apply:** https://www.totaljobs.com/job/spectrum-engineer/open-cosmos-job107747906

## About the Role

* Strong systems engineering fundamentals (requirements, V&V), ideally in an MBSE environment
 * Deep understanding of RF spectrum compliance (EPFD, PFD, EIRP, emissions)
 * Experience with tools like Visualyse EPFD, STK, or similar
 * Strong Python or MATLAB skills for simulation and analysis
 * Solid understanding of LEO systems, link budgets, and orbital dynamics
 * Knowledge of ITU-R regulations and NGSO systems
 * Familiarity with DVB-S2X, 3GPP NTN, or similar standards

This role will be based in any of our locations.

To apply, you must have the legal right to work in your chosen location.

When applying, please submit your CV in English.

## Description

As Senior Spectrum Systems Engineer you'll take the lead on translating spectrum regulations into system design-using modelling and simulation to ensure compliance without compromising performance.

You will:

 * Translate regulatory constraints (EPFD, PFD, EIRP) into system and sub-system requirements
 * Build and own end-to-end simulation models for interference and spectrum compliance
 * Define system design limits ("design-to-compliance") for payload and user terminals
 * Model interference, coexistence, and mitigation strategies across constellations
 * Produce high-quality datasets to support ITU filings and coordination
 * Lead verification and validation of spectrum compliance (ground and in-orbit)
 * Shape spectrum usage strategies (frequency reuse, beam hopping, power control)
 * Support external regulatory engagement (ITU-R, WRC) with simulation-backed insight


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