אריאל ד.

System and Security Administrator with over 5 years of hands-on experience managing large-scale Linux and Windows infrastructures in hosting and data-center environments. Proven expertise in server hardening, cyber incident response, forensic analysis, and Tier 2–3 troubleshooting. Extensive experience supporting 9,000+ production servers, collaborating with SOC teams, and maintaining high availability under pressure. Strong customer-facing skills and ability to lead incidents from detection