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Senior
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System Engineering
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Cybersecurity
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Location and citizenship: Russian Federation and Republic of Belarus (Remote). Rate: up to 300,000 rubles net. Term: Long-term project. Stack: C, Linux Kernel Modules, POSIX API, VFS, epoll/inotify, ptrace, seccomp, gdb, perf.
— Develop a Linux kernel module for controlling access to files and processes. — Adapt architecture: rewrite system calls and API, removing Windows dependencies. — Implement security and access control logic at the VFS (Virtual File System) level. — Optimize code to minimize system overhead. — Debug complex bugs using GDB, strace, and perf. — Interact with the Java development team to integrate client modules.
— Deep knowledge of C system programming on Linux. — Experience in writing Kernel Modules (file/process management). — Understanding of IPC mechanisms, working with mmap, file descriptors, and system hooks. — Experience in corporate security projects (DLP, antiviruses, access control systems). — Skills in profiling and performance optimization.
⚠️ Important: Candidates with experience only in network equipment (embedded/network devices) will not be considered. A focus on OS and user systems is required.