Join to apply for the RF Engineer role at SII Group UK
Join to apply for the RF Engineer role at SII Group UK
SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR.
With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust culture. Our core values of Trust, Commitment, Accountability, Passion, Creativity, and Transparency drive our work package delivery, ensuring we meet and exceed client expectations as a committed partner.
Since 2016, SII UK has supported top Aerospace & Defence, Aviation, Transportation, and Finance clients, empowering digital transformation with industry-leading engineering expertise.
Let’s Tech Together is our promise to encourage innovation and teamwork. We support our engineers with development opportunities and a collaborative, inclusive environment where every voice is valued and empowered.
#Let'sTechTogether
THE OPPORTUNITY
We are seeking an experienced RF Engineer to join a high-performing team delivering advanced solutions within the defence and aerospace sector. The role involves supporting the design, development, test, and validation of radio frequency systems and subsystems in a complex engineering environment.
KEY RESPONSIBILITIES:
* Design and development of RF circuits, systems, and subsystems for satellite and defence-related platforms.
* Conduct RF simulations and performance analysis (e.g. S-parameters, link budgets, noise figures, etc.)
* Review and assess RF and system-level test reports for accuracy, completeness, and compliance.
* Work on RF synthesiser design, integration, and optimisation.
* Support antenna design, waveguide structures, filters, amplifiers, and passive/active components.
* Perform hands-on lab testing using RF test equipment (e.g. VNAs, spectrum analysers, signal generators).
* Participate in design reviews, technical documentation, and compliance assessments.
* Interface with multidisciplinary engineering teams to integrate RF solutions into larger systems.
* Provide technical input across the full lifecycle, from concept through to production and test.
EXPERIENCE AND SKILLS:
* Proven experience in RF and microwave engineering in aerospace, defence, or telecommunications domains.
* Strong background in RF circuit design and performance analysis.
* Experience in synthesiser development and debugging.
* Proficient in reviewing technical documentation and test reports.
* Skilled with simulation and design tools such as HFSS, ADS, CST, or similar.
* Familiarity with EMC/EMI considerations and environmental qualification testing.
* Experience with RF lab instrumentation and hands-on testing.
* Good understanding of systems engineering principles and documentation standards.
* Strong problem-solving skills and attention to detail
Desirable: -
* Experience working in a satellite communications environment.
* Familiarity with space or defence standards (e.g. ECSS, MIL-STD)
* Knowledge of digital signal processing and software-defined radios.
BENEFITS:
* Competitive Basic Salary
* 6% Employers Contribution + 6% as a salary sacrifice
* Private Medical Insurance, Life Cover and Income Protection
* 25 days holiday
* 5 days full sick pay per year
* Flexible working
* Cycle to Work & TechScheme
* Continuous professional development
* Corporate access to the Udemy platform
* If you're applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic bar, however certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK.
http://www.groupe-sii.com/en
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
Job function
* Job function
Engineering and Information Technology
* Industries
IT Services and IT Consulting
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