Role Overview
We’re looking for a hands‑on Principal Design Engineer to help shape the next generation of High Power Amplifier (HPA) systems across a broad frequency range up to V‑band.
This is a high‑impact, specialist engineering role where you’ll take ownership of designs from early concept through to production, working across both solid‑state (SSPA) and travelling wave tube (TWTA) technologies.
You’ll be given the autonomy to innovate, experiment, and bring ideas to life, combining simulation, system design, and real‑world lab development to deliver cutting‑edge RF solutions.
Key Accountabilities
- Design and develop high‑performance high‑power amplifiers and systems covering C to V‑Band (and beyond), defining RF architectures and key subsystems
- Carry out hands‑on lab work including tuning, measurement, fault finding, and optimisation
- Collaborate closely with RF, systems, electronics, and manufacturing teams
- Improve and evolve existing product designs for performance, efficiency, and reliability
- Support system integration, including power electronics and control interfaces
- Contribute technical insight to customer solutions and new opportunities
- Document designs and support knowledge sharing across the engineering community
Desired Skills, Qualifications & Experience
- Experience with HPA systems, SSPA, TWTA, or similar technologies
- Knowledge of satcom or high‑frequency communication systems
- Exposure to millimetre‑wave or V‑band development (and beyond)
- Hands‑on prototyping or lab‑based development
Benefits
- 33 days’ holiday per year (including UK bank holidays), rising to 38 days over your first five years’ service
- Company‑funded Health Cash Plan (helping with everyday healthcare costs)
- Annual Bonus & Salary Review
- Company Pension
- Career development and training for all roles
- ETL Employee Wellbeing Support: free eye tests, free Employee Assistance Programme, GP anytime
- ETL People Perks: discounts on shopping, holidays, gym membership, days out, cinema and dining
- Buy and Sell Holiday Scheme
- Free on‑site Employee Gym (Hfd HQ) and subsidised Gym memberships via People Perks
- Subsidised on‑site employee Café (Hfd HQ), with free refreshments for all employees
- Free onsite parking, car share scheme and EV charging
- Casual Business Dress
- Flexible Hours available with core hours Monday‑Friday 8am‑4pm (no weekends/evening)
- Annual company events
Location
You will work on‑site from our R&D office in Rickmansworth. Please ensure you can commute to Ground Floor, Trinity Court, Suite C, Church St, Rickmansworth WD3 1RT.
Closing Date
We are looking to commence our interview process without delay and reserve the right to close the opening early should we receive suitable applications.
Security & Sponsorship
BPSS compliant: All candidates must be BPSS compliant.VISA Sponsorship: We offer a Certificate of Sponsorship for this role.
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