Mohammed Shareq Khan

IT Infrastructure & System Administrator with 15+ years of experience in Windows Server, Active Directory, Office 365, Network Administration, Firewall Security, VPN Connectivity, ERP Support, and IT Operations. Experienced in delivering secure, reliable, and business-focused IT solutions.

System Administrator at Floressence Perfumes Pvt Ltd (2026-01 – Present)

• Manage firewall policies, NAT rules and security controls to ensure secure network access.
• Administer MDM platform and user device enrollment with role-based Wi‑Fi and application access.
• Provide end‑user support for laptops, printers and office IT infrastructure.
• Coordinate with vendors for network, ISP and hardware related issues.
• Monitor network performance and maintain documentation of configurations and access.
• Configure and manage VPN access for remote users with secure authentication.
• Administer NAS storage, user permissions and backup management.
• Oversee CCTV system operations, access control and basic troubleshooting.
• Support and coordinate ERP application access and user issue resolution.
• Performed daily MS SQL Server database backups and monitored backup jobs to ensure data protection and recovery readiness.

System Administrator at Smartnetic Services (2025-04 – 2026-01)

• Administered Windows Server estate with hardened baselines and regular patching, elevating compliance by 18%.
• Oversaw Active Directory, DNS, and DHCP; simplified access management and reduced provisioning effort by 22%.
• Implemented and tested backup and recovery procedures, achieving 35% faster restoration during drills to improve continuity.
• Configured and monitored 250+ Active Directory objects and Office 365 components with Group Policy and least-privilege controls.
• Applied patch management and antivirus updates across servers/endpoints, decreasing security incidents by 28%.
• Managed Sophos Firewall for network security, including firewall policies, NAT rules, VPN configuration, and basic security monitoring.
• Assisted in IT budgeting and vendor management to align purchases with roadmap, contributing to 12% cost optimization. Provide On-site and remote support for POS-related issue.
• Configured and supported enterprise Wi-Fi infrastructure, including Ruijie and TP-Link access points, ensuring stable wireless connectivity across office environments.

System Administrator at Evincesis Info Solutions (2016-10 – 2024-07)

Promoted to System Administrator from Senior Desktop Engineer

• Led multi-site end-user support and VIP assistance, meeting SLA targets with 92% first-contact resolution.
• Directed hardware upgrades (HDD/SSD, RAM, motherboard) and OS deployments, cutting onboarding time by 30%.
• Coordinated vendors for AMC and warranty services, accelerating turnaround by 25%.
• Administered Active Directory accounts, Group Policies, and permissions to enforce least-privilege access.
• Enforced IT security policies and drove root-cause analysis, minimizing repeat incidents by 35%.
• Managed Windows Servers, Active Directory, DNS, DHCP, and Group Policies, enhancing service availability by 18%.
• Executed backup/DR strategy with periodic drills, lowering recovery time objectives by 40%.
• Orchestrated server application deployments and security patching cycles, cutting vulnerability exposure by 30%.
• Collaborated on procurement and capacity planning, enabling 15% savings while supporting scalable growth.
• Authored SOPs/runbooks, refining handoffs and lowering escalations by 20%.

Desktop Support Engineer at Evincesis Info Solutions (2011-09 – 2016-10)

• Delivered L1/L2 support for desktops, laptops, printers, and peripherals, resolving 55-60 tickets/week with high quality.
• Diagnosed hardware/software issues and performed remediation, lowering MTTR by 32%.
• Installed and configured Windows OS, Microsoft Office, and antivirus suites, standardizing builds and reducing setup time by 25%.
• Assisted with LAN/WAN troubleshooting and basic switch/router configurations to stabilize connectivity by 20%.
• Maintained IT asset inventory and documented procedures, accelerating resolution via knowledge articles by 18%.

Technical Support Engineer at Ventura Outsourcing Experts Pvt. Ltd (2010-02 – 2011-06)

• Provided remote support for US/UK/Canada users, achieving 95% SLA adherence across time zones.
• Deployed antivirus, performed data backups, and assisted with OS recovery, preventing data loss in 90% of cases.
• Configured networks and wireless printers to reduce connectivity issues by 22%.
• Tuned PCs for performance, speeding up boot and app launch times by 30%.

Hardware & Network Engineer at AG Infotech Pvt Limited (2008-01 – 2010-01)

• Installed, configured, and troubleshot network systems and hardware, resolving 20-25 incidents/week.
• Performed diagnostics and repairs with methodical troubleshooting, cutting MTTR by 28%.
• Delivered responsive end-user support, boosting satisfaction to 94%.

Bachelor's degree in Computer Engineering – I.T.S Engineer College (2008)

Diploma of Education in Computer Engineering – I.T.S Engineer College (2005)