Embedded Firmware Engineer

An Amazing Career Opportunity for an Embedded Firmware Engineer!

Location:

Cardiff, UK

Job

We are looking for an embedded engineer with firmware development and debugging skills for our design center in Cardiff. Working in versatile Agile teams, the candidate will be involved in product design and sustaining activities on a range of PACS RFID access control products. The role requires effective time management across multiple products at different stages of the life cycle and collaboration with colleagues across departments, both onsite and overseas.

Occasional travel may be required.

HID powers the trusted identities of the world’s people, places, and things, enabling safe transactions, productive work, and free travel. We are a high‑tech software company headquartered in Austin, TX, with over 4,500 worldwide employees.

HID PACS is at the forefront of securing spaces with advanced, reliable access control solutions. From readers, credentials, and controllers to mobile and biometric technologies, our products protect people, property, and assets globally.

• Implement embedded firmware designs and test solutions primarily in C and C#.
• Create design documentation.
• Hands‑on debugging of embedded systems.
• Complete tasks with minimal supervision.

• Write low‑to‑medium complexity code solutions.
• Experience with embedded C, bare metal, and RTOS applications.
• Proficiency with standard development tools: debuggers, editors, compilers.
• Comfortable working at low level (GPIO, UART, SPI, I2C).
• Experience with software version control.

• Smart Card ISO
  7816 and RFID ISO 14443/15693 protocols.
• Cryptographic solution implementation.
• I2C and SPI protocols.
• Jenkins automation server/client programming.
• NUnit test framework.
• Scripting languages such as Python.
• CMock unit testing.

• Engineering degree or equivalent experience.
• Minimum of 1+ years of related industry experience.

• Compliance with all HID Global policies and procedures related to Quality, Security, Safety, Business Continuity, and Environmental systems.
• Travel and fieldwork, including international travel may be required; a valid passport is necessary.
• Legal eligibility to work in the hiring country.

• Competitive salary and rewards package.
• Competitive benefits and annual leave.
• A vibrant, welcoming & inclusive culture.
• Extensive career development opportunities.
• Part of a global organization pioneering the hardware, software, and services that enable confident navigation of the physical and digital worlds.

• Empowerment:
  Work as part of a global team in a flexible environment, learning and enhancing expertise.
• Innovation:
  Embrace challenges, drive change, and bring ideas.
• Integrity:
  Result‑oriented, reliable, straightforward; valued for authenticity.

HID does not accept unsolicited resumes from headhunters, recruitment agencies, or fee‑based recruitment services. We are not responsible for any fees related to unsolicited resumes.

HID is committed to building a diverse, equitable, and inclusive workforce that reflects the global communities we serve. Our equal‑opportunity employment policy protects all protected classes. If you have a disability and require assistance, please contact acc

Recruitment processes may include AI‑powered tools for screening, used responsibly and in compliance with data privacy laws. Human judgment is key.

HID is certified as a Great Place to Work in the UK, reflecting employee feedback on trust, collaboration, and workplace culture.

When you join HID, you will be part of the ASSA ABLOY Group, a global leader in access solutions with 63,000 colleagues in over 70 countries. We support career development locally, regionally, or internationally, with regular feedback, training, and development opportunities.