Principal Hardware Engineer
X4 Technology
- London, England, United Kingdom
- London, England, United Kingdom
About
This engagement offers the opportunity to lead the development of high‑integrity electronic systems deployed in ATEX and ultra‑low‑noise environments, combining hands‑on engineering with system‑level ownership and technical leadership.
Key Responsibilities
Lead system‑level architecture and design of embedded electronic products
Define system specifications, requirements, and interface documentation
Design, simulate, and verify digital and analogue circuitry, including low‑noise signal paths
Develop and debug embedded firmware in C/C++, working within RTOS environments
Drive hardware–software integration and system‑level performance optimisation
Contribute to DFMEA, design reviews, and regulatory compliance (EMC, safety, ATEX)
Support design transfer to manufacturing, working with quality and production teams
Define and execute verification and validation strategies, including compliance testing
Leverage strong systems engineering background across analogue, digital, and embedded software
Hands‑on experience with ADCs, DACs, op‑amps, power supplies, and signal conditioning
Embedded software development in C/C++, using standard toolchains and debugging methods
Experience with RTOS and communication protocols (I²C, SPI, UART, CAN, Ethernet)
Comfortable operating in multidisciplinary product development environments
Familiarity with PCB design and simulation tools (Altium, OrCAD, KiCad, LTspice, MATLAB/Simulink)
Development of products for ATEX / hazardous environments
Knowledge of ISO 60079 and intrinsic safety principles
Background in safety‑critical or regulated industries
Exposure to wireless technologies (BLE, Wi‑Fi, LoRa)
Why Consider This Contract?
Hybrid working with an innovation centre near a major South East transport hub
Challenging, technically rich work in low‑noise and safety‑critical environments
Opportunity to shape system architecture and influence engineering standards
Professional, engineering‑led culture that values experience, autonomy, and delivery
Contract Details 6‑Month Contract | Outside IR35 | Hybrid Work Location: West Sussex (Near Gatwick)
Seniority Level Mid‑Senior level
Employment Type Contract
Job Function Industrial Machinery Manufacturing
Please send across your CV to explore the opportunity further. The client can interview as soon as this week for an ASAP start and is paying a high rate — the client prefers four days onsite with one remote but can flex this for the right person.
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Languages
- English
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