Rattan Negi

Senior Executive – IT Infrastructure & Security at SAR Group

Delhi, India

About

Experienced IT Infrastructure & Security Administrator with 20+ years in enterprise environments. Skilled in Active Directory, Microsoft Entra ID, Intune, DNS/DHCP, endpoint security, BitLocker, and firewall policy enforcement. Currently managing 3,500+ endpoints in a hybrid infrastructure. Familiar with AWS fundamentals and exploring SysOps Administrator certification to expand cloud expertise. Known for driving endpoint security compliance and improving IT operations efficiency.

Experience

  • Senior Executive – IT Infrastructure & Security at SAR Group
    Jul 2019 - Present · 7 yrs

    Experienced IT Infrastructure & Security Administrator with 20+ years in enterprise environments. Skilled in Active Directory, Microsoft Entra ID, Intune, DNS/DHCP, endpoint security, BitLocker, and firewall policy enforcement. Currently managing 3,500+ endpoints in a hybrid infrastructure. Familiar with AWS fundamentals and exploring SysOps Administrator certification to expand cloud expertise. Known for driving endpoint security compliance and improving IT operations efficiency.

  • Senior System Administrator at Global Hunt India Pvt. Ltd. at Global Hunt India Pvt. Ltd.
    Aug 2015 - Jul 2019 · 4 yrs

    Managing server infrastructures and operations across multiple platforms. Virtualization using Microsoft Hyper-V high availability cluster, Firewall (UTM), Active Directory, Microsoft Exchange, IIS, McAfee EPO / Endpoint Security / DLP, Apache Tomcat Configure Server as per requirement in Window and Linux Platform. Configure and backup of MS-SQL and My-SQL database. Maintain VOIP 3cx & MDM.

  • Senior Engineer at Data Secure Solutions Pvt Ltd
    Jun 2013 - Jul 2015 · 2 yrs 2 mos

    - Professional experience with a proven background of IT Infrastructure - System Administration at Branch level (Windows & Linux) - Implementation of Network Security Solutions UTM, Firewall, Antivirus, DLP, Active Directory, MSExchnage & MDM. - Managing Network Security Solution and customer support - Audit the Firewall Policies and standardize - Installation of Firewall with UTM features (FortiGate, Watchguard, Sonicwall, and Cyberoam) - Installation, Configuration & Management of Antivirus Server (Symantec, Trend Micro Office scans/ worry-free, Sophos, F-Secure - Visualization - VMware ESX & VMware vsphere client, Microsoft Hyper-V - VOIP - Elastix Server Deployment & Maintenance

  • Sr. Engineer at D M System Pvt. Ltd.
    Mar 2009 - Oct 2012 · 3 yrs 8 mos

    - Professional experience with a proven background of IT Infrastructure - System & Network administration at branch level - Implementation of network Security Solutions UTM, Firewall, Antivirus, DLP, Active Directory - Managing Network Security Solution and customer support - Audit the Firewall Polices and standardise - Installation of Firewall with UTM features (FortiGate, Watchguard, Sonicwall, and Cyberoam) - Installation, Configuration & Management of Antivirus Server (Symantec, Trend Micro Office scans/ worry-free, Sophos, F-Secure - Visualization - VMware ESX & VMware vsphere client, Microsoft Hyper-V

  • Computer Hardware & Network Engineer at SUN SOLUTION
    Dec 2003 - Feb 2009 · 5 yrs 3 mos

    Computer Hardware & Network Engineer