Worked on updating and maintaining documentation for the dzokha1010/SysAdmin repository, focusing on aligning the CNTT2211052 document with revised CNTT requirements. Emphasized traceability and audit readiness by ensuring all changes were versioned and clearly described in Git history, using Git for version control and Microsoft Word for document editing. No code changes were introduced, preserving production stability while improving onboarding and knowledge transfer for SysAdmin users. The updates addressed compliance and maintenance needs, with a disciplined approach to commit management. The work demonstrated attention to process, documentation standards, and the use of collaborative tools for effective documentation lifecycle management.