Job
Description
We are looking for a highly skilled Linux Systems & Network Engineer with expertise in core Linux internals , kernel-level programming , and deep networking integration with Linux. The ideal candidate should be proficient in system programming, shell scripting, and PHP , with the ability to optimize, secure, and integrate Linux-based environments seamlessly. Key Responsibilities: · Linux Kernel & System Development o Customize and optimize the Linux kernel for performance and security. o Debug and troubleshoot kernel modules, drivers, and system-level issues. o Work on low-level system calls , memory management, and process scheduling. · Networking & Integration o Configure, manage, and troubleshoot core networking protocols (TCP/IP, UDP, ICMP, etc.). o Implement firewall rules , VPNs, and network security policies in Linux environments. o Develop network-related applications and optimize performance using Linux networking stack. · Programming & Automation o Write and maintain efficient Shell scripts and automation tools for system management. o Develop and maintain web-based applications using PHP for system administration and reporting. o Debug and optimize code for system-level and network applications. · Security & System Hardening o Implement SELinux/AppArmor , IPtables/NFTables, and other security controls. o Identify and mitigate system vulnerabilities at the kernel and network level. · Integration & Customization o Develop custom Linux distributions or modify existing distributions for specific use cases. o Integrate third-party hardware/software with Linux-based systems. o Optimize Linux for embedded and server environments. Required Skills & Qualifications: · Strong knowledge of Linux internals, kernel development, and system programming . · Expertise in networking protocols, firewall configurations, and security policies . · Advanced skills in Shell scripting, PHP , and system-level programming (C, Python preferred). · Experience with iptables, nftables, OpenVPN, WireGuard, DNS, DHCP, and routing protocols . · Hands-on experience with Linux performance tuning, debugging tools (strace, gdb, perf) . · Knowledge of virtualization, containers (Docker, LXC), and orchestration tools . Preferred Skillset: · Contributions to open-source Linux projects or kernel modules . · Experience with DevOps, CI/CD, and cloud-based Linux environments . · Knowledge of embedded Linux or real-time Linux (RTLinux, PREEMPT-RT) .
