Senior Embedded Software Developer in Scotland

We require extensive hands‑on embedded software development experience.

We require strong proficiency in C, C++ and/or Python where appropriate.

We require deep experience with embedded systems, including ESP32, ARM Cortex and single‑board computers.

We require strong understanding of low‑level interfacing such as UART, GPIO, USB and SPI/I2C.

We require confidence in Linux‑based development environments and toolchains.

We require strong debugging skills, including JTAG/SWD, logic analysers and profiling tools.

We require disciplined engineering practice and the ability to communicate clearly and influence technical decisions across teams.

We prefer a degree in a relevant discipline, or equivalent experience.

Experience delivering in secure or defence environments is desirable.

Knowledge of cryptography, secure transport or secure system design is desirable.

Wireless experience, including Bluetooth, UWB or Wi‑Fi, is desirable.

USB device drivers or advanced USB communications experience is desirable.

RTOS or bare‑metal expertise is desirable.

Embedded Rust experience or strong interest in it is desirable.

Professional membership such as BCS or IET is a plus.

You must be eligible and willing to undergo DV clearance, with British citizenship and UK residency for the last 10 years.

Responsibilities include leading development of bespoke embedded solutions across multiple platforms, designing, implementing and maintaining production‑quality C, C++ and/or Python code interfacing with hardware, architecting solutions involving communications protocols, peripheral integration and performance and robustness constraints, leading debugging, testing and optimisation across lab and field environments, shaping requirements with stakeholders, proposing approaches and influencing delivery plans, supporting integration, configuration and deployment into secure operational environments, producing high‑quality documentation and enforcing consistent Git workflows and review standards, mentoring junior engineers and raising team capability through coaching and knowledge sharing.

Technologies include ARM, Architect, Bluetooth, Cryptography, Embedded, Git, Hardware, Support, Linux, Python, Rust, Security, AI, C++, Machine Learning.

We are Leidos UK & Europe, a growing company using technology, engineering and science to make the world safer, healthier and more efficient. We work on complex problems across defence, healthcare, government, safety and security, and transportation, with a strong focus on safeguarding critical capabilities and transforming frontline services. This role is mostly on‑site, based commutable to Hertfordshire, Cheltenham and Bristol, with four days a week on customer site and one day remote where appropriate. We offer a collaborative culture, meaningful careers and a reward package that includes a contributory pension scheme, private medical insurance, 33 days annual leave, flexible benefits and flexi‑time. We are committed to diversity and inclusion, flexible working and supporting career growth through technical academies, career rotations and development plans.