# RF Engineer > Forefront RF · Cambridge, United Kingdom · Full-time · Posted 2026-05-26 **Workplace:** on_site **Department:** Engineering ## Description **RF Engineer** **Location: Cambridge, UK** **Team: Engineering** **Job Type: Permanent, Full-Time** **About Us:** Forefront RF is a fabless semiconductor company developing breakthrough RF technology that radically simplifies RF front-end architectures for mobile and connected devices. Our long-term vision is to empower anyone to treat global connectivity as a commodity, effortlessly adding it to any device. We lead through innovation, solving our customers’ toughest challenges, enabling them to stay ahead by pushing the boundaries of RF design. **Our Values:** Our values are the quiet nudge that help us to be our best in every interaction. - **One team**: We listen, share, and build solutions together. Collaboration is at the heart of how we work. We support one another, embrace challenges and fun, and celebrate collective success.  - **Innovation with intent**: We operate at the forefront of technology, building innovative pathways to the future that meets real customer needs. - **Solutions driven**: We develop world leading manufacturable products that deliver effortless connectivity.   - **Customer focused**: We act with integrity, hold ourselves accountable, and are guided by a deep commitment to deliver customer focused solutions.  - **Sustainable**: We design for longevity and reuse - leveraging globally connected RF technology to extend product lifecycles and reduce waste. **Role Overview:** We are looking for an RF engineer who is excited by the challenge of building cutting-edge RF modules in a fast-moving start-up environment. You will collaborate with IC designers, systems engineers, and software teams to integrate advanced RF technologies into high-performance multi-chip modules and help drive innovative wireless solutions to market. **Key Responsibilities:** - Design and develop RF front-end circuits and RF functional blocks to meet the specified performance requirements. - Collaborate with internal and external IC design teams developing integrated digital tuneable capacitors, power amplifiers (PAs), low noise amplifiers (LNAs), RF switches, digital interfaces, and power management solutions. - Integrate these design blocks into multi-chip modules, ensuring low-loss and high-performance implementations. - Optimise module layouts to balance size, performance, and manufacturability. - Work closely with applications, systems, algorithm, and software teams to optimise overall module performance within target applications. - Partner with internal stakeholders and test teams to define, develop, and deliver comprehensive module test plans. - Operate effectively in a fast-paced, highly innovative start-up/scale-up environment. - Communicate and collaborate efficiently across multidisciplinary teams. - Document results, design decisions, and technical work clearly, and share knowledge with team members. ## Requirements **About you:** You’re excited by the opportunity to work with breakthrough technologies. You may thrive in this role if you have some or all the following: **Education & experience:** - Experience developing RF modules or sub-systems (PAs, LNAs, duplexers, filters, etc) intended for high-volume production. - Knowledge of low-noise, low-power, and high-linearity design techniques used in 4G/5G RF front-end modules. - A strong understanding of RF fundamentals, including impedance matching, Smith charts, passive RLC networks, linearity, and harmonic behaviour. - Experience using RF simulation tools such as ADS, Microwave Office, or similar RF design environments. - Hands-on experience with RF test equipment such as VNAs, spectrum analysers, and noise meters, including performing and troubleshooting measurements such as gain, noise figure (NF), IIP3, and isolation. - Broad electronics knowledge, with familiarity with industry interfaces such as MIPI RFFE considered an advantage. - Strong analytical and problem-solving skills with the ability to debug complex RF systems. **People Skills:** - Proactive approach to problem-solving with a resilient attitude towards ambiguity.  - Excellent problem-solving and analytical skills. - Strong communication and collaboration abilities. - Ability to work independently and as part of a team. - Attention to detail and commitment to producing high-quality output. ## Benefits - Competitive salary and pension contributions. - Company Share Option Scheme. - 25 days holiday + bank holidays. - Weekly company lunches. - Flexible work hours and remote work options. - Private medical insurance - Life assurance x 4 - Income protection - Healthshield Cash plan - Heka flexible benefits platform **We believe in equal opportunities** We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis covered by appropriate law. All employment is decided on the basis of qualifications, merit, and business need. ## Apply [Apply at Forefront RF](https://apply.workable.com/forefront-rf/j/9BA3DE8691/apply) --- Powered by [Workable](https://www.workable.com)