RF Engineer

• Clearance:
  Clearable

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN
, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

Seeking an experienced RF Engineer to join our team in London for an advanced engineering team supporting a cutting‑edge space mission. This role is ideal for someone who thrives in high‑complexity environments and wants to contribute to the development of next‑generation orbital technologies.

• Location:
  
  London
• On Site: 1-2X a month
• Clearance:
  Clearable
• Experience Level: Mid - Senior

• RF system design for spaceborne platforms, including link budgets, antenna performance, and end‑to‑end signal integrity.
• Development and optimisation of RF subsystems such as transceivers, amplifiers, filters, and telemetry systems.
• Testing and validation of RF hardware in lab and simulated space environments.
• Supporting EMC/EMI analysis and ensuring compliance with mission‑level requirements.
• Collaborating with multidisciplinary teams across systems engineering, avionics, and mission operations.

• Mandatory Space industry experience — hands‑on involvement in satellite, spacecraft, or space‑mission RF systems.
• RF system design for spaceborne platforms (link budgets, RF chain architecture, signal integrity).
• RF hardware development including transceivers, amplifiers, filters, and telemetry systems.
• RF testing & validation using lab equipment such as VNAs, spectrum analysers, and signal generators.
• Ability to interpret mission‑level RF requirements and translate them into subsystem specifications.

• A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.

• EMC/EMI analysis for spacecraft RF systems.
• Experience with SDRs, modulation schemes, and digital signal processing.
• Knowledge of TT&C (Telemetry, Tracking & Command) architectures.
• Familiarity with environmental testing (thermal‑vacuum, vibration, radiation).
• Experience collaborating with systems engineering teams on spacecraft integration.
• Understanding of orbital mechanics and how they influence RF link performance.
• Exposure to cleanroom or high‑reliability hardware development environments.

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

• A personalised career path and a rewarding management style
• A huge diversity of engineering projects and industries
• Private Medical Insurance
• Cycle & Tech Scheme
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, regular gatherings & team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is…