RH
Rahat Hussain
I approach my role as an IT Manager with a highly logical and pragmatic mindset, driving robust infrastructure, cloud, and security solutions. My commitment to accountability and diligent execution ensures mastery in complex technical environments, where I thrive on autonomous problem-solving.
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Experience
O
IT MANAGER (HOD) | INFRASTRUCTURE, CLOUD & SECURITY
ORBIT ENTERPRISES · Jan 2023 – Present
- Lead enterprise IT infrastructure operations across Microsoft servers, Active Directory, endpoints, cloud, virtualization, networking, security, business applications, backup, and disaster recovery.
- Design, implement, troubleshoot, optimize, and maintain infrastructure solutions aligned with availability, security, scalability, performance, and business continuity.
- Plan infrastructure upgrades, migrations, resource requirements, dependencies, and operational procedures for business-critical services.
- Administer Microsoft Intune/MDM and SCCM for endpoint administration, device management, policy enforcement, and software/configuration management.
- Manage Active Directory, Group Policy, IAM/RBAC, MFA, Conditional Access, and secure access controls; troubleshoot endpoint and identity/device-management issues.
- Design and administer Active Directory including Domain Controllers, forests, trusts, Group Policy, authentication, and access control.
- Install, configure, troubleshoot, optimize, upgrade, and migrate Windows Server environments; implement Group Policy security and enterprise configuration controls.
- Administer Azure, AWS, and GCP including VMs, VNets/subnets, NSGs, load balancers, IAM/RBAC, firewalls, VPNs, and network segmentation; support on-premises cloud migration.
- Implement cloud hardening, MFA, Conditional Access, endpoint protection, antivirus, and firewall security controls.
- Manage Sophos, Fortigate, Palo Alto and ASA firewalls, routers, switches, VLANs, routing protocols, QoS, VPNs, and network performance.
- Administer VMware virtualization environments and implement Hyper-V clustering for availability and fault tolerance.
- Integrate SAN/iSCSI storage and design/implement backup and disaster recovery strategies for critical infrastructure and data; perform restoration and recovery activities.
- Administered and support GoFrugal Retail ERP/POS application across multiple business location
- Managed GoFrugal POS Back-oofice billing inventory, reporting module, Provide L1/L2 technical support
T
Senior System Engineer
TATA CONSULTANCY SERVICES · Jan 2018 – Jan 2023
- Configured internal systems, diagnosed technical issues, and supported enterprise server, hardware, software, network, and firewall environments.
- Administered Windows Server 2012/2016/2019, including OS support, patching, configuration changes, backup/restore, and deployment support.
- Monitored server/software/hardware performance, supported network infrastructure upgrades, maintained technical documentation, and supervised the Operations team.
- Supported deployment teams with OS issues, hardware/software troubleshooting, and Windows/Linux network configuration.
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Associate System Engineer
TATA CONSULTANCY SERVICES · Jan 2016 – Jan 2018
- Monitored performance, troubleshot incidents/outages, and maintained secure and efficient IT infrastructure.
- Installed/configured software, hardware, networks, Active Directory, DNS, DHCP, and antivirus servers; managed access controls, backups, firewalls, and system upgrades.
- Built an internal technical wiki with documentation, manuals, and IT policies; supported Windows XP/7/10 systems and network troubleshooting.
- Translate infrastructure requirements into practical solutions across servers, identity, endpoints, cloud, virtualization, storage, networking, security, and recovery.
- Lead implementation from planning/configuration through troubleshooting, optimization, validation, and operational handover.
- Apply Windows/cloud security best practices through Group Policy, access controls, firewall configuration, endpoint protection, patching, auditing, least privilege, MFA, Conditional Access, RBAC, and network segmentation.
- Maintain infrastructure configuration, implementation, troubleshooting, backup/recovery, and operational documentation; prepare technical procedures for changes, vendor coordination, handover, validation, and knowledge transfer.
- Manage Active Directory (AD) and Group Policy Objects (GPOs).
- Create, update, or delete user accounts and security groups.
- Control role-based access permissions and reset credentials.
- Track server health, CPU usage, memory, and disk space.
- Review event logs and performance metrics to prevent downtime.
- Install routine software updates, service packs, and cumulative
- Configure firewalls, endpoint protection, and security policies.
- Mitigate security risks and monitor system alerts.
- Document security controls, user access, and compliance
Skills 0 proven through work
Also works with
Camera Systems ManagementTechnical Solution DesignSwitch ConfigurationRouter ConfigurationUser ProvisioningMentoring and Peer CoachingProduction Environment SupportCustomer ServiceRoot Cause AnalysisDecision MakingOrganizationWork Planning and PrioritizationLog AnalysisFault-Tolerant System DesignNetwork File SharingBackend DevelopmentSoftware InstallationProduct Training DeliverySystem BootingTechnical TroubleshootingSystem TestingSystem AdministrationReliability ImprovementPatch ManagementDevice ManagementSecurity ScanningApplication Performance OptimizationHardware TroubleshootingSecurity OperationsZero Trust Network Access ImplementationApplication MonitoringSecure Data HandlingData Backup ManagementData Integrity ManagementEndpoint Security ImplementationApplication DeploymentAzure DeploymentCloud ComputingCloud Security ManagementAttribute-Based Access ControlCybersecurity FundamentalsNetwork SecurityComputer NetworkingInfrastructure Management
Proof of Work
Proof of Work
Rahat shares this with people who ask. You'll hear back either way.
Education
MBA, Information Technology
West Bengal University of Technology, Kolkata, India · 2016 — 2018
BBA, Management Information Security
West Bengal University of Technology, Kolkata, India · 2012 — 2015
Contact details
Contact details
Rahat shares this with people who ask. You'll hear back either way.
What drives their work
The Operator
Keeps complex IT systems running smoothly and securely.
Rahat's superpower
You excel at maintaining robust IT environments, proactively identifying and resolving issues to ensure continuous operation.
How Rahat works
You are well-suited for roles that require hands-on management, proactive maintenance, and strategic oversight of IT systems and security.
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