Embedded Systems Engineer
GrowingWriting firmware that runs directly on hardware inside connected and physical devices
Embedded Systems Engineer Salary
United Kingdom
£40,000 – £75,000
United States
$80,000 – $140,000
Varies by location, sector, and experience. Last updated: 2025.
What Is an Embedded Systems Engineer?
An Embedded Systems Engineer writes the software that runs directly on hardware — microcontrollers, processors, and dedicated chips inside physical devices. This software, often called firmware, controls the behaviour of everything from consumer electronics and medical devices to automotive systems, industrial machinery, and IoT sensors. The role requires working close to the hardware — managing memory manually, optimising for processing constraints, and interfacing directly with physical components through communication protocols.
Unlike software engineers who work at higher levels of abstraction, Embedded Systems Engineers must understand both the software they write and the hardware it runs on. The work demands precision — bugs in embedded software can cause physical failures, safety incidents, or devices that cannot be updated in the field. The role exists across a wide range of industries and is central to the continued expansion of connected devices, autonomous systems, and industrial automation.
What Does a Embedded Systems Engineer Do?
- Write and maintain firmware in C and C++ for microcontrollers and embedded processors across target hardware platforms
- Implement and debug communication protocols including UART, SPI, I2C, CAN, and Ethernet at driver and application layers
- Optimise firmware for memory footprint, power consumption, and real-time scheduling constraints on resource-limited hardware
- Integrate hardware peripherals including sensors, actuators, and displays into the embedded software stack
- Collaborate with hardware engineers to define software-hardware interfaces and resolve integration issues during bring-up
- Write unit tests and conduct hardware-in-the-loop testing to validate embedded software against functional requirements
Embedded Systems Engineer Skills
Hard Skills
- Embedded Systems Programming
- C++
- Firmware Development
- Real-Time Operating Systems
- Industrial Communication Protocols
- Sensor Data Integration
- Debugging and Troubleshooting
- Linux Administration
- Performance Optimisation
- IoT Integration
Soft Skills
- Attention to DetailBugs with physical or safety consequences
- Engineering DisciplinePrecision under memory and processing constraints
- Problem SolvingDebugging without conventional software tooling
- Methodical ApproachSystematic testing across hardware configurations
- CollaborationIntegrating with hardware, mechanical, and product teams
- AccountabilityOwning reliability in field-deployed devices
Embedded Systems Engineer Tools & Software
How to Become a Embedded Systems Engineer
Typical Route
Most Embedded Systems Engineers hold a bachelor's degree in Computer Engineering, Electrical Engineering, or Computer Science from an ABET-accredited program. This is one of the more degree-dependent roles in tech — hardware knowledge and low-level programming foundations are genuinely difficult to acquire without structured education. Universities including Carnegie Mellon, the University of Michigan, and Georgia Tech are well regarded by US defense, automotive, and industrial employers. An MS in Embedded Systems or Electrical Engineering supports specialist and senior progression.
Alternative Route
Arm architecture training and vendor programs from STMicroelectronics and NXP are valued credentials for platform-specific roles. Coursera's Embedded Systems specialization provides structured self-study, and Udemy's embedded C courses are widely used for foundational skills. Building personal projects on Arduino, Raspberry Pi, and STM32 development boards is the most practical way to demonstrate hands-on capability — a GitHub repository of firmware projects is a strong portfolio signal. Self-taught engineers with strong portfolios do enter the role.
A Day in the Life of an Embedded Systems Engineer
Morning
Afternoon
Embedded Systems Engineer Career Path
Junior Embedded Engineer
0–2 yrs
Embedded Systems Engineer
2–5 yrs
Senior Embedded Engineer
5–8 yrs
Lead / Principal Engineer
8–10 yrs
Systems Architect / Technical Director
10+ yrs
Embedded Systems Engineer Job Outlook
Embedded Systems Engineering is in consistent and growing demand driven by IoT expansion, automotive electrification, industrial automation, and medical device development. These sectors are expanding simultaneously, creating sustained hiring pressure across experience levels. Engineers with real-time operating system experience and safety-critical development backgrounds are particularly sought after. Familiarity with functional safety standards in automotive or medical device contexts strengthens a candidate's position considerably in the most competitive and best-compensated roles.