Senior Electronics Hardware Engineer


Company:	Carbon60
Salary:	Not specified
Hours:	Full-time
Location:	Farnborough, GU46 6GD
Job type:	Permanent
Posting date:	15 Oct 2026
Closing date:	14 Nov 2026

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Summary

Senior Electronics Hardware Engineer

Our client develops and manufactures subsea systems and products used across Energy, Ocean Science, Offshore and Defence sectors. Their products are used for communication, navigation, sensing and positioning.

You'll provide senior electronic design expertise for advanced subsea instrumentation, including optical modem technology and seismic recorder electronics. A key part of the role is taking ownership of externally developed designs and source code, and making sure they become fully supportable, documented and production-ready in-house.

Key responsibilities

Develop, review and modify electronics hardware, embedded firmware and FPGA designs

Take ownership of inherited designs, source code, interfaces and test methods

Work on low-power, low-noise, reliable subsea electronics and electro-optical interfaces

Support optical link performance testing and optimisation

Use embedded C, FPGA and Python for development, diagnosis and test automation

Help bring products to production readiness, including test fixtures and automated test

Provide senior input on design reviews, integration, verification and fault finding

Produce clear documentation, and work with internal teams and external partners to close design knowledge gaps

Skills and experience

Expert: electronics design, low-power design, embedded C/C++, FPGA, fault finding, documentation

Competent: Altium PCB design, ADCs and precision acquisition, clocks and timing, communication protocols (SPI, I²C, UART, Ethernet, RS-485/232), EMC (EN60945), production support

Basic: electro-optical interfaces

Qualifications