Senior Embedded Software Engineer

Smiths Detection; Hemel Hempstead; On-site; GBP 55,000 - 75,000; Full time

Job summary

A leading security technology company seeks a Senior Embedded Software Engineer in Hemel Hempstead. You will develop and integrate software for cutting-edge detection products within an Agile team. The ideal candidate will have over 5 years of experience in embedded systems, strong skills in C/C++, and familiarity with hardware interfaces and communication protocols. This role requires a regular on-site presence to work closely with target hardware and necessitates security clearance.

Qualifications

• At least 5 years of experience in software development for embedded systems.
• Experience with embedded system design and hardware components.
• Experience with embedded RTOS like Keil RTX, FreeRTOS, or ThreadX.

Responsibilities

• Design, implement, and test software for embedded systems.
• Develop software running on ARM Cortex M33 Microcontrollers.
• Collaborate with software and firmware engineers.

Skills

C programming

C++ programming

Embedded development tools

Problem-solving skills

Communication protocols (SPI, I2C, UART, CAN, USB)

Tools

JIRA

mcuXpresso IDE

Keil uVision

Freescale CodeWarrior

STM32cubeIDE

Job description

About Us

SMITHS DETECTION MAKING THE WORLD A SAFER PLACE

Every minute of every day, in nearly every country across the globe, Smiths Detection people and technology make the world a safer place. We safeguard people, business and infrastructure with the latest innovations and screening technology for aviation, ports, borders, defense, and security across 55 countries around the globe

Life At Smiths

• Global leader : We impact critical systems every day with sites in 17 countries and six centers of research excellence. From pioneering to powering life‑changing innovation, we’re delivering threat detection and screening solutions to safeguard the world from threat
• Digital growth : A key part of our capability is the integration of digital technology across our business and our operations in more than 55 countries, will be critical to our continued success
• Exciting opportunities : Our growth is creating exciting opportunities to work with experts in physics, chemistry, electronics, mechanics, production, computer science, and AIML
• International environment : With some projects, work requires global collaboration and the potential to travel and grow with the business

Job Description

As a Senior Embedded Software Engineer, you will be responsible for the development, testing and integration of software for embedded systems forming part of Smiths Detection’s next generation of chemical and explosive trace detection products. You will be part of an Agile software team of 3 to 4 engineers reporting to a software team leader.

Duties & Responsibilities

• Design, implement, and test software for embedded systems.
• Develop software in C++ running on ARM Cortex M33 Microcontrollers
• Develop software for Azure RTOS (ThreadX) including FileX, GUIX and USBX
• Use Jira for task assignment, reporting and defect tracking.
• Use mcuXpresso IDE for development.
• Interpret and contribute to UML based architectural designs.
• Collaborate with software and firmware engineers to integrate and test software running on prototype and production standard hardware.
• Develop and maintain software architecture, interfaces, and documentation.
• Participate in design reviews and code reviews.
• Investigate and debug issues.

About You

• At least 5 years of experience in software development for embedded systems
• Strong programming skills in C and C++
• Experience with embedded development tools and processes
• Experience with embedded system design, including knowledge of hardware components and interfaces.
• Familiarity with communication protocols such as SPI, I2C, UART, CAN, or USB
• Experience with software debugging tools and techniques, including JTAG
• Experience with embedded RTOS (Keil RTX, FreeRTOS, ThreadX)
• Experience with IDEs such as Keil uVision, Freescale CodeWarrior, STM32cubeIDE or NXP MCUxpresso.
• Experience of working with Armv8-M, ARM Cortex-M4, ARM Cortex-M33 or STM32
• Must be BPSS cleared on joining and capable of obtaining SC security clearance.
• Strong problem‑solving skills, attention to detail, and ability to work effectively in a fast‑paced, collaborative environment.
• Competent verbal and written communication skills, with the ability to articulate complex technical concepts clearly and concisely.
• Regular on‑site presence at our Hemel Hempstead site will be expected due to the need for close interaction with target hardware.

Diversity & Inclusion

We believe that different perspectives and backgrounds are what make a company flourish. All qualified applicants will receive equal consideration for employment regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, economic status, disability, age, or any other legally protected characteristics. We are proud to be an inclusive company with values grounded in equality and ethics, where we celebrate, support, and embrace diversity.

At no time during the hiring process will Smiths Detection, Smiths Group, nor any of our recruitment partners ever request payment to enable participation – including, but not limited to, interviews or testing. Avoid fraudulent requests by applying jobs directly through our career’s website (www.smithsdetection.com / careers) or LinkedIn.