Linux Developer
TCS
3 - 8 years
Mumbai
Posted: 31/05/2025
Job Description
Must have:
Linux Expert, OS Kernel, OS Security & File System/Disk Encryption, C, C++, Securing boot process and bootloader, knowledge on Debian and other Linux Distributions
Responsibilities:
- Developing Netboot/UEFI Boot OS and Installable OS.
- Linux (Debian/Ubuntu) installation and operation. Familiarity and fluency with Linux/Ubuntu OS Terminal/command line.
- Knowledge of Ubuntu Linux internals, especially the boot process. Knowledge of the OS-level services that come by default in Linux and whitelisting services/processes.
- Modifying the Boot sequence, Setup and Configuration of Ubuntu Linux and rootfs.
- Experience in developing a customized variant of Linux from Debian/known base OS– essentially by stripping off services and programs not required. Hardening the OS.
- Modifying/Configuring the desktop environment (GNOME/ICEWM.. etc) for securing the desktop user space and locking all functionalities/shortcuts to fully restrict the access and modification to System Settings/Controls/GNOME Installer… etc to fully secure the user space from any modification. - Must Have
- Encryption of logical partitions and boot partitions using ubuntu native encryption (e.g. Luks) or any other encryption tool – Must Have
- Securing boot process, bootloaders (GRUB/LILO) and initrd (initramfs) – Must Have
- Knowledge on OS Kernel-level programming, developing Kernel integrity controls, developing Kernel aware applications – Must Have
- Knowledge on System Hardware/Network level components.
About Company
Tata Consultancy Services (TCS) is one of the largest multinational IT services and consulting companies in the world, headquartered in Mumbai, India. It operates in over 50 countries and is a part of the Tata Group, India's largest business conglomerate. TCS offers a wide range of services including software development, consulting, digital transformation, and business solutions, serving industries such as finance, healthcare, retail, and telecommunications. Known for its global reach, technological expertise, and innovation, TCS is consistently ranked among the top IT services companies globally.
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