Senior SAR Systems Engineer – Spaceborne Instrumentation

Groupe Sii

Portsmouth

On-site

GBP 90,000 - 120,000

Full time

12 hours ago

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Job summary

SII UK in the United Kingdom is seeking a Senior Systems Engineer to lead system-level design decisions for SAR instruments. You will drive architecture, requirements flow-down, verification strategies and budgets across multidisciplinary teams throughout the instrument lifecycle.

The role emphasizes coordinating interfaces, calibrations, and performance modelling, with strong stakeholder leadership and experience in MATLAB/Python and DOORS to enable robust mission-ready solutions.

Qualifications

Strong understanding of SAR systems and instrumentation.
Expertise in SAR instrument architecture and design.
Experience with SAR performance modelling and analysis.
Knowledge of SAR calibration and characterisation methodologies.
Understanding of SAR signal processing principles and radar theory.
Systems engineering covering requirements management, verification and validation.
RF systems knowledge including transmit and receive chain analysis.
Ability to generate and maintain engineering budgets and performance models.
Strong stakeholder management and technical leadership skills.
Experience in multidisciplinary engineering environments.
Strong documentation and technical reporting skills.
Proficiency in MATLAB and Python.
Experience with DOORS and Google Workspace.
Familiarity with modelling tools.

Responsibilities

Perform technical requirement analysis for SAR instrument and mission-level needs.
Derive and flow down system and subsystem requirements.
Define and maintain SAR instrument architectures, balancing performance, risk and cost.
Coordinate technical activities across multidisciplinary teams.
Define and consolidate instrument-to-platform interfaces.
Develop SAR instrument operational concepts aligned with mission and satellite operations.
Define instrument calibration and characterisation strategies, including internal and external calibration approaches.
Establish instrument development, verification and validation strategies.
Identify technical risks and develop mitigation plans.
Generate, analyse and maintain transmit and receive RF budgets.
Develop, maintain and assess SAR performance models across multiple instrument operating modes.