We are seeking a Senior C Programmer with strong embedded systems and Linux core development experience to join a strategic platform modernization program for a leading organization. The successful candidate will be responsible for migrating, rebuilding, and validating native C-based applications and libraries on a modernized RHEL-based platform, ensuring binary compatibility, performance, and long-term maintainability across mission-critical industrial control systems.
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Key Responsibilities:
- Rebuild, validate, and optimize C-based modules and libraries against updated GCC and glibc versions on RHEL 10.
- Diagnose and resolve compiler, linker, and runtime compatibility issues during migration from legacy Linux platforms.
- Develop and maintain C and C++ code for embedded and Linux-based industrial applications.
- Write and maintain Python scripts for build automation, testing, deployment, and system orchestration.
- Perform low-level debugging using gdb, strace, ltrace, valgrind, and perf.
- Optimize application performance — memory management, multi-threading, IPC, and system calls.
- Integrate native C/C++ modules with higher-level application stacks and middleware layers.
- Develop and maintain Linux kernel modules, device drivers, and system-level utilities where required.
- Collaborate with platform, middleware, and application teams during staged rollout, testing, and cutover phases.
- Document code, build procedures, and operational runbooks for knowledge transfer and handover.
Required Skills & Experience:
- 8 to 12 years of professional experience in C programming on Linux platforms.
- Strong hands-on experience with C++ (C++11 / C++14 / C++17 standards).
- Proven proficiency in Python scripting for automation, tooling, and integration tasks.
- Deep working knowledge of Linux internals — process management, memory management, IPC, signals, sockets, file systems.
- Hands-on experience with embedded systems development — bare-metal, RTOS, or embedded Linux.
- Strong command of GCC, glibc, Make, CMake, and shared/static library management.
- Working knowledge of RHEL, CentOS, or other enterprise Linux distributions.
- Proficient with debugging and profiling tools — gdb, strace, ltrace, valgrind, perf.
- Experience with version control systems — Git.
- Solid understanding of multi-threaded programming, synchronization primitives, and concurrency patterns.
- Strong debugging and analytical skills with the ability to work on legacy codebases.
Preferred Skills:
- Hands-on experience migrating native C/C++ codebases between major Linux distribution versions (e.g., RHEL 7/8 → RHEL 10).
- Linux kernel module or device driver development experience.
- Real-time and deterministic systems experience (PREEMPT_RT, Xenomai, VxWorks).
- Familiarity with industrial communication protocols — Modbus, OPC UA, Profibus, EtherCAT, MQTT.
- Experience with hardware interfaces — UART, SPI, I2C, CAN, GPIO.
- Background in industrial automation, process control, SCADA, MES, or manufacturing IT.
- Exposure to CI/CD pipelines — Jenkins, GitLab CI, Ansible.
- Cross-compilation and toolchain management for embedded targets (ARM, x86).
- Experience with containerization (Docker, Podman) for C/C++ applications.
- Static analysis tools — Coverity, Klocwork, cppcheck.
This position offers an exciting opportunity for a seasoned C Programmer to contribute to the modernization of vital industrial systems.
