Satellite Payload RF Systems Engineer — Design & Analyze

SII Group UK; Portsmouth; On-site; GBP 60,000 - 90,000; Full time

Job summary

SII UK is seeking a highly skilled Payload RF Systems Engineer to support design, analysis, integration and validation of advanced satellite payloads. You will ensure RF performance meets customer requirements while balancing cost, schedule and quality.

Collaborate across engineering, procurement, manufacturing and test teams to deliver end-to-end solutions. You will perform RF analysis, develop payload models, define architectures and frequency plans, and produce comprehensive reports and

Qualifications

• Proven RF Systems Engineering experience in space/satellite/defence sectors.
• Hands-on RF performance analysis and modelling.
• Experience across full lifecycle from design through integration and support.
• Experience with RF environmental/verification test campaigns.

Responsibilities

• Perform RF performance analysis including gain, noise figure, linearity, stability, EIRP, G/T, phase noise, spurious and intermodulation assessments.
• Develop and maintain RF payload models, simulations, and performance budgets.
• Define payload architectures, frequency plans, and equipment specifications.
• Flow customer requirements to subsystem and equipment level.
• Produce RF performance reports, technical documentation, presentations, and user guides.
• Support AIT activities, including test planning, predictions, and results analysis.
• Investigate and resolve RF performance issues and non-conformances during integration and testing.
• Present technical findings at design reviews and technical review boards.

Skills

RF systems engineering

RF analysis

Link budget calculations

Frequency planning

Satellite payload

Documentation & presentations

Cross-functional collaboration

Stakeholder management

Tools

RF modelling tools

Job description

SII UK is seeking a highly skilled Payload RF Systems Engineer to support design, analysis, integration and validation of advanced satellite payloads. You will ensure RF performance meets customer requirements while balancing cost, schedule and quality.

Collaborate across engineering, procurement, manufacturing and test teams to deliver end-to-end solutions. You will perform RF analysis, develop payload models, define architectures and frequency plans, and produce comprehensive reports and