Embedded Software Developer

We are seeking an Embedded Software Developer to design and develop safety-critical software for the European Train Control System (ETCS). The role involves working on real-time embedded platforms to ensure safe train operation, speed supervision, and signaling compliance as per European railway standards.

Please find the below JD details for the required position-

Role & responsibilities

• Design and develop embedded software using C/C++ for safety critical systems
  
• Implement core functionalities such as:
  
• Safety critical system principles of trackside and/or onboard systems understanding
  
• ETCS ATP functions requirements gathering
  
• ETCS ATP functions implementation in accordance with SIL4 safety lifecycle and MISRA C coding guidelines
  
• Design of ATP functions for Implementation of requirements and traceability
  
• Module, Unit and System level testing
  
• Risk assessment and safety case
  
• Involvement in system safety certifications with ISA
  
• Work on bare metal, real-time operating systems (RTOS) and embedded firmware
  
• Ensure compliance with CENELEC standards (railway safety standards)
  
• Prepare technical documentation (SRS, SAD, SWRS, SDD, test specifications, traceability matrix)
  
• Collaborate with system engineering, hardware, validation, and certification teams
  

Preferred candidate profile

Technical Skills

• Strong programming skills in C/C++ (mandatory)
  
• Strong knowledge in Microcontroller and Microprocessors
  
• Hands on experience in interfacing COTS modules (such as GPS, GSM)
  
• Strong knowledge in Ethernet and security
  
• Experience in embedded systems development (ARM Cortex, microcontrollers)
  
• Hands-on experience with RTOS(e.g., FreeRTOS, VxWorks, QNX)
  
• Knowledge of communication protocols: UART, SPI, I2C, CAN, Ethernet, USB, AD-Bus
  
• Understanding of real-time constraints and deterministic systems
  
• Basic electronics knowledge for Hardware debugging
  
• Experience in ATP system development
  
• Experience in CENELEC (V model) lifecycle or ASIL-D or DO-178C
  

Additional Skills

• Knowledge of Railway systems
  
• Train control & protection logic
  
• Understanding of fail-safe and redundancy concepts
  

Tools & Technologies

• IDEs: Keil, IAR, Eclipse
  
• Version Control: Git / SVN
  
• Debugging: JTAG, Wireshark
  

Educational Qualification

• B.Tech in Electronics and Communications
  

Role & Responsibilities

• Design and develop embedded software in C/C++ for safety-critical railway systems (ETCS onboard and/or trackside EVC/RBC interfaces)
  
• Implement ETCS ATP functionalities in compliance with SIL-4 safety lifecycle, MISRA C/C++ guidelines, and project safety plans
  

System Engineering & Cross-Domain Responsibilities

• Contribute to system-level architecture and allocation, including HW/SW partitioning
  
• Perform requirements engineering: analysis, decomposition, allocation,and clarification of ETCS ATP requirements
  
• Ensure end-to-end traceability (System Software Code Test Validation evidence)
  
• Interface with hardware teams for board bring-up, integration, and debugging
  
• Participate in system integration activities, including lab and field validation
  

Safety Engineering & Certification

• Perform hazard analysis and risk assessment (PHA, SHA, FMEA/FMECA, FTA as applicable)
  
• Define and verify safety requirements and safety mechanisms (fail-safe states, redundancy, diagnostics)
  
• Support Functional Safety Testing (FST), including scenarios requiring deep hardware-software interaction
  
• Contribute to safety case development (evidence generation, justification,compliance demonstration)
  
• Actively participate in ISA (Independent Safety Assessor) audits, including:
  
• Technical clarification sessions
  
• Review support and evidence presentation
  
• Technical Note (TN) analysis and closure
  

Software Development & Verification

• Develop software on bare-metal and RTOS-based platforms ensuring deterministic and real-time behavior
  
• Implement and integrate communication interfaces and protocols, including ETCS-specific interfaces where applicable
  
• Perform:
  
• Static analysis and code reviews (MISRA compliance)
  
• Unit, module, integration, and system testing
  
• Debugging on target hardware using standard tools
  

Compliance & Documentation

• Ensure compliance with CENELEC standards:
  
• EN 50126 (RAMS lifecycle)
  
• EN 50128 (software)
  
• EN 50129 (safety case)
  
• Prepare and maintain engineering and safety documentation, including:
  
• SRS, SWRS, SAD/SDD
  
• Interface specifications (ICDs)
  
• Test specifications and reports
  
• Traceability matrix (bi-directional)
  
• Safety analysis reports (FMEA, FTA, etc.)
  

Collaboration

• Work closely with system engineering, hardware, V&V, RAMS, and certification teams
  
• Participate in design reviews, safety reviews, and audits
  

Preferred Candidate Profile

Core Technical Skills

• Strong proficiency in C/C++ (mandatory) for embedded systems
  
• Strong knowledge of microcontrollers/microprocessors (ARM Cortex or equivalent)
  
• Experience with bare-metal and RTOS-based development (QNX, VxWorks, FreeRTOS)
  
• Deep understanding of real-time systems and deterministic execution
  
• Strong experience in hardware-software integration and debugging
  

Hardware & Interface Exposure (Mandatory for this Role)

• Hands-on experience with board-level debugging (oscilloscope, logic analyzer, JTAG)
  
• Experience interfacing with COTS modules (e.g., GPS, GSM-R/communication modules, sensors)
  
• Strong understanding of:
  
• Digital interfaces: UART, SPI, I2C, CAN
  
• High-speed interfaces: Ethernet, USB
  
• Basic understanding of signal integrity, timing, and embedded hardware constraints
  

Safety & Railway Domain Expertise

• Experience in ETCS / ATP system development (highly preferred)
  
• Strong understanding of:
  
• Train control & protection logic (movement authority, supervision, braking curves)
  
• Fail-safe principles,redundancy, and fault-tolerant design
  
• Hands-on experience with:
  
• FMEA / FMECA / FTA / hazard analysis
  
• Safety lifecycle (CENELEC V-model)
  
• Exposure to ISA audits, safety case preparation, and TN closure
  

Standards & Compliance

• Strong familiarity with:
  
• CENELEC EN 50126 /50128 / 50129
  
• MISRA C/C++ guidelines
  
• Exposure to equivalent safety domains is acceptable:
  
• ISO 26262 (ASIL-D)
  
• DO-178C (DAL A/B)
  

Tools & Technologies

• IDEs: Keil, IAR, Eclipse,CCS
  
• Version Control: Git / SVN
  
• Debugging & Analysis:
  
• JTAG / Trace tools
  
• Oscilloscope / Logic analyzer
  
• Protocol analyzers (e.g.,Wireshark)
  
• Requirements & Safety Tools:
  
• IBM DOORS, Polarion
  

Educational Qualification

• Bachelors Degree in Electronics & Communication Engineering (ECE), Electrical Engineering, or related field
  

Key Expectations (Critical for Selection)

• Ability to work beyond software into system-level problem solving
  
• Capability to defend design decisions during ISA audits
  
• Strong ownership of safety, traceability, and compliance artifacts
  
• Hands-on approach to hardware–software integration and validation