MMIC Design Engineer
Posted 19 Jul 2026
Advertised as “Senior MMIC Design Engineer”
BranchFactor Summary
The original posting with the fluff stripped out
- Management level
- People management
- Contract
- Full-time
No salary listed for this role.
Field of studyElectronic Engineering, Microwave Engineering, RF Engineering (or related)
Study levelBachelor's or higher
Filtronic is growing.
We support some of the world's leading companies within the space and defence sectors, and now looking for an experienced Senior MMIC Design Engineer to join our expanding engineering team at our state-of-the-art headquarters in NETPark, Sedgefield, County Durham, UK.
This is an opportunity to work at the forefront of microwave and millimetre-wave technology, designing world-class MMIC solutions operating from 37GHz to 115GHz and beyond for next-generation communication and defence systems.
The Role
Working alongside our highly experienced RF, microwave, electronics and systems engineers, you'll take ownership of the design and development of high-performance MMICs, helping bring innovative products from concept through to production.
You'll be involved in challenging projects where performance, reliability and manufacturability are critical, whilst having the opportunity to influence technology direction and mentor other engineers.
What You'll Be Doing
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Design and layout advanced MMICs using technologies including GaAs, GaN and InP
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Develop high-performance:
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Low Noise Amplifiers (LNAs)
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Power Amplifiers (PAs)
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Gain Blocks
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Up & Down Converters
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Variable Attenuators
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Frequency Multipliers
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Select appropriate semiconductor process technologies for new designs
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Carry out circuit simulation, optimisation and design verification
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Produce complete design documentation and support fabrication release
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Work closely with semiconductor foundries throughout development
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Perform thermal analysis, reliability (MTBF) assessments and validation testing
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Develop test specifications and characterise devices using our state-of-the-art RF laboratories
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Participate in and lead technical design reviews
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Collaborate across multidisciplinary engineering teams to deliver products on time and to specification.
Requirements
We're looking for an engineer with significant commercial experience in MMIC design who enjoys solving complex technical challenges and developing innovative RF solutions.
You'll ideally have:
- Degree, Masters or PhD in Electronic Engineering, RF Engineering, Microwave Engineering or equivalent commercial experience