Lead RF Engineer

Yolk Recruitment Careers; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading technical consultancy in London is seeking a Lead RF Engineer for a hybrid role focusing on innovative RF and microwave system designs. You will lead projects, mentoring teams and interacting directly with clients to deliver reliable solutions. The ideal candidate should have extensive experience in RF design and be familiar with industry-standard tools such as HFSS, ADS, and CST. This contract position is set for 6 months with a competitive day rate of £600-£800 outside of IR35.

Qualifications

• Proven experience in RF and microwave system design.
• Deep understanding of RF circuit architectures and components.
• Familiarity with aerospace and defense-grade standards.

Responsibilities

• Lead RF and microwave system design across multiple projects.
• Define RF circuit architectures from MHz to multi-GHz.
• Manage validation and testing activities, ensuring compliance.

Skills

RF design

Microwave engineering

Circuit simulation

Link budget analysis

Testing and validation

Tools

HFSS

ADS

CST

Job description

Lead RF Engineer

London hybrid work - 6 months with likely extension - £600-£800pd Outside of IR35

Join a technical consultancy where your expertise in RF design directly shapes complex, high-performance systems for the world's most demanding environments. This role sits at the intersection of innovation and application. You'll act as the subject matter expert for all things RF and microwave, guiding design decisions, mentoring teams, and engaging directly with clients to translate advanced technical capability into practical, reliable solutions.

Key Responsibilities

• Lead RF and microwave system design, simulation, and development across multiple concurrent projects
• Define architectures and design RF circuits covering frequencies from MHz through to multi-GHz ranges
• Oversee design and analysis of LNAs, PAs, filters, oscillators, mixers, and antenna subsystems
• Perform link budget analysis, impedance matching, and noise figure optimisation
• Conduct EM and circuit-level simulations using HFSS, ADS, CST, or similar tools
• Manage prototyping, validation, and test activities including S-parameter measurement, spectrum analysis, and gain / linearity characterisation
• Support requirements definition and design assurance for aerospace and defence-grade standards
• Act as the RF technical authority - reviewing designs, advising clients, and men...