Embedded Software Engineer — Safety-Critical C++/RTOS

ALTEN LTD - UK; Manchester; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Private Medical Insurance

Cycle & Tech Scheme

Employee assistance programme

Life insurance & Pension Scheme

Social atmosphere & team events

Flexible working (role dependent)

Job summary

ALTEN Ltd. in Manchester is seeking an experienced Embedded Software Engineer to design, develop and integrate high‑integrity software for safety‑critical defence and maritime applications.

You’ll work on modern C++ and embedded technologies across the full software lifecycle in a regulated environment. Mid to senior level engineers collaborate with multidisciplinary teams, adhere to MISRA and AUTOSAR standards, and contribute to continuous improvement while ensuring robust production-ready code

Qualifications

• Strong experience in embedded software development.
• Advanced proficiency in C/C++ within safety‑critical or regulated environments.
• Experience with unit testing and static analysis.
• Knowledge of Linux OS programming and build tooling.
• Understanding of real‑time systems and real‑time signal processing.
• Familiarity with TCP/IP networking protocols and system architectures.
• Experience working with Agile SDLC methodologies.
• Bachelor’s or Master’s degree in Software Engineering, Computer Science, Electronics Engineering, or related discipline, or relevant technical military background with equivalent experience.

Responsibilities

• Design, develop and maintain embedded software for safety‑critical systems.
• Produce high‑quality, efficient and maintainable code primarily using C++, with exposure to C, Java and Python.
• Work with hardware abstraction layers and low‑level software components.
• Apply high‑integrity coding standards such as MISRA, JSF++, HIC++ and AUTOSAR.
• Perform code refactoring, unit testing and static analysis to ensure software quality.
• Contribute to model‑driven development using UML.
• Collaborate within Agile development environments, using modern ticketing and version‑control tools.
• Support integration, verification and validation activities across the software lifecycle.

Skills

embedded software development

C/C++

unit testing

static analysis

Linux OS programming

real-time systems

real-time signal processing

TCP/IP networking

Agile SDLC

Education

Bachelor’s or Master’s degree / technical military background

Tools

Containerisation

Virtualisation

Jenkins

Bamboo

GitLab

JIRA

Job description

ALTEN Ltd. in Manchester is seeking an experienced Embedded Software Engineer to design, develop and integrate high‑integrity software for safety‑critical defence and maritime applications.

You’ll work on modern C++ and embedded technologies across the full software lifecycle in a regulated environment. Mid to senior level engineers collaborate with multidisciplinary teams, adhere to MISRA and AUTOSAR standards, and contribute to continuous improvement while ensuring robust production-ready code