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Sigma Group Logo Sigma Group · IT - Software Development

Senior Embedded Software Developer (Real-Time Linux)

Sweden, Västerås · Job Posted June 28, 2026
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Job Description

We are seeking a highly skilled Senior Embedded Software Developer to join a cross-functional Scrum team developing and maintaining real-time Linux-based systems (PREEMPT_RT) with stringent requirements for determinism, performance, and reliability within the substation automation domain. This is an on-site assignment located in Västerås. Remote work is not feasible.

Job Responsibility

  • Develop, maintain, and optimize real-time Linux applications for substation automation systems
  • Work across both user space and kernel space, including driver development and system integration activities
  • Drive software quality through test automation, code reviews, and continuous improvement of development processes and practices
  • Analyze and optimize system resource utilization, latency, jitter, and scheduling behavior
  • Debug and resolve complex software and hardware-related issues using low-level Linux and hardware diagnostic tools
  • Actively participate in Scrum ceremonies and contribute to agile team collaboration.

Requirements

  • Extensive experience with embedded Linux development and real-time operating system concepts
  • Strong proficiency in C++ and Linux system programming
  • Solid understanding of scheduling mechanisms, interrupts, concurrency, and synchronization
  • Strong knowledge of Ethernet networking and industrial communication protocols, specifically: IEC 61850, IEEE 1588 Precision Time Protocol (PTP), IEC 62439-3 Ethernet redundancy protocols
  • Excellent communication and collaboration skills with experience working in agile development environments
  • Proven problem-solving capabilities and the ability to adapt to changing priorities.
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