Senior Systems Engineer — Spaceborne SAR Architect

SII Group UK; Portsmouth; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Career development

Job summary

SII UK seeks an experienced Senior Systems Engineer to lead system-level design for spaceborne SAR instruments. You will drive requirements, calibration strategies and performance modelling across the instrument lifecycle within a multidisciplinary team.

The role emphasizes architecture, verification planning and risk mitigation, with opportunities to influence future missions and bid activities in a dynamic aerospace environment.

Qualifications

• SAR systems and instrumentation expertise required.
• Architecture, requirements flow-down and verification experience.
• Proficient in SAR performance modelling and analysis.
• Knowledge of calibration methodologies for SAR instruments.
• Understanding of radar theory and signal processing principles.
• Systems engineering covering requirements management, verification and validation.

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 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 instrument operating modes.

Skills

SAR systems

SAR architecture

SAR modelling

SAR calibration

Radar theory

Requirements management

RF analysis

Budgets & models

Stakeholder management

Technical leadership

Multidisciplinary

Documentation

MATLAB

Python

MS Office

DOORS

Google Workspace

Systems modelling tools

Tools

MATLAB

Python

DOORS

Google Workspace

MS Office

System modelling tools

Job description

SII UK seeks an experienced Senior Systems Engineer to lead system-level design for spaceborne SAR instruments. You will drive requirements, calibration strategies and performance modelling across the instrument lifecycle within a multidisciplinary team.

The role emphasizes architecture, verification planning and risk mitigation, with opportunities to influence future missions and bid activities in a dynamic aerospace environment.