Principal Hardware Engineer (Digital)

Select how often (in days) to receive an alert: Select how often (in days) to receive an alert: Location: Hatfield (On-Site 4 days) Appointment Basis: Permanent Apply by: 1/9/26 Salary: c80k + Bonus DOE + Benefits At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, 86,000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and replace cars. Overview To lead the design and development / improvement of control centre hardware products, tools and adherence to process. Ensure activities are delivered on time and to budget including work package management. Provide mentorship to other team members. Lead the management of product obsolescence activities (re-design of multiple boards, including support for firmware migration from obsolete to new devices). Supporting and documenting industrial PC configurations, migration of NPI documentation into new PLM tool. Support of product approval, software integration and project delivery, ensuring that the products, tools and processes remain fit for purpose. You’ll help to improve quality and product robustness through better design methodology. Day-to-day, you’ll work closely with teams across the business such as software, supply chain and component engineering. You will also work towards improving requirements capture and much more. Responsibilities: You’ll specifically take care of digital hardware design,but also interfacing and power management. We’ll look to you for: Design, development and implementation of digital hardware (at component level and above) and firmware for railway signalling control systems on bespoke and COTS platforms Preparation of hardware / firmware development plans Interfacing with software team Including specifying the hardware / software interface requirements Debugging and trouble shooting Technical documentation We value passion and attitude over experience. That’s why we don’t expect you to have every single skill. Instead, we’ve listed some that we think will help you succeed and grow in this role: Experience or understanding of- Digital hardware and firmware FPGA and CPLDs RTOS Housekeeping with Intel processors Carrier boards for SoM and CoM Bus translation e.g. PCIe to local buses Serial and parallel buses Communication protocols Working to process Working from and creating requirements / test specifications Design and code reviews Configuration / version control Design analysis – timing diagrams etc Knowledge of: Memory technologies Spartan and Virtex FPGA families or similar Ability to read schematics / datasheets BSPs Knowledge of embedded software and operating systems Familiarity with: DFM / DFT Setting up test environments Set-up and configuration of development tools V