Senior Electronics Engineer

Company: X4 Technology
Apply for the Senior Electronics Engineer
Location: London
Job Description:

London (Hybrid) | Permanent | Competitive Salary + Benefits

We’re working with an innovative, high-growth technology company developing cutting-edge imaging and sensing solutions for advanced industrial, scientific and healthcare applications.

As a Senior Electronics Engineer, you’ll play a key role in taking next‑generation products from concept through to production, collaborating with multidisciplinary teams across electronics, firmware, verification and applications engineering. This is an excellent opportunity to work on technically challenging products within a collaborative engineering environment where innovation is encouraged.

What You’ll Be Doing

  • Designing and verifying high-performance electronic systems and PCBs.
  • Developing production test solutions for complex electronic products.
  • Supporting the full product lifecycle, from concept and development through to production and ongoing improvements.
  • Working closely with firmware, software and hardware engineers to validate new designs.
  • Providing technical support to customers and translating customer requirements into engineering solutions.
  • Managing PCB revisions, component obsolescence and continuous product enhancements.
  • Collaborating with manufacturing partners and external suppliers to ensure successful product delivery.

What We’re Looking For

  • Degree (BSc, MSc, PhD or equivalent) in Electronics, Microelectronics or a related engineering discipline.
  • 5+ years’ experience in electronics design, development or applied engineering.
  • Strong communication skills with the ability to work across technical teams and customer‑facing projects.
  • PCB design, bring‑up and debugging.
  • Experience using Altium Designer or KiCad.
  • Product verification, validation and structured testing.
  • Technical documentation including specifications, datasheets and user documentation.
  • Customer technical support or applications engineering experience.
  • Semiconductor devices or mixed‑signal electronics.
  • Imaging or sensor technologies.
  • Automated test systems.
  • Medical, scientific or industrial instrumentation.
  • Python, C/C++ or TCL.
  • High‑performance data acquisition or embedded systems.

About You

  • Curious, hands‑on and passionate about technology.
  • A creative problem solver who enjoys tackling complex engineering challenges.
  • Able to manage projects and work independently when required.
  • Comfortable working in a collaborative, multidisciplinary environment.

If you’re looking to join a business where you’ll have genuine influence on innovative products and work alongside highly experienced engineers, we’d love to hear from you.

Apply now or get in touch for a confidential conversation. CVs and interviews are taking place in July for a start in August.

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Posted: July 19th, 2026