Hujjur Rahaman Shaik
Professional Summary
Data Center Operations Engineer with 4+ years of experience supporting enterprise data center and network operations in 24x7 mission-critical environments. Strong hands-on experience with rack & stack, server installation and break/fix on Dell and HPE platforms, structured fiber and copper cabling, Layer 1/Layer 2 connectivity validation, and vendor RMA coordination. Skilled administering Linux (Ubuntu/CentOS) and Windows Server platforms via CLI and GUI, and executing change and incident workflows in ServiceNow. Experienced performing preventive maintenance, hardware diagnostics, and data center safety/physical access compliance on production floors. Proven ability to troubleshoot network switching (Cisco IOS), VLANs, DNS/DHCP, and restore services under SLA while maintaining accurate asset, inventory, and rack-layout documentation.
Technical Skills
Work Experience
- Configured enterprise switches and routers using Cisco IOS to implement VLAN segmentation and trunking for production network isolation.
- Diagnosed Layer 1 and Layer 2 connectivity faults involving transceivers, patch panels, and switch interfaces and restored physical links on the data center floor.
- Executed rack-and-stack deployments for switches and servers, ensuring correct power terminations to PDUs, rail mounting, and front-panel labeling before commissioning.
- Installed, terminated, and validated fiber optic (SMF/MMF) and copper (Cat5e/Cat6) cabling, following structured cabling standards and verifying signal integrity with optical test equipment.
- Performed firmware and BIOS validation on newly racked Dell and HPE servers and completed POST diagnostics to verify component health prior to handoff.
- Executed planned network changes and upgrades through ServiceNow change controls, coordinating maintenance windows to adhere to enterprise change management processes.
- Coordinated vendor RMAs for failed network and server components and tracked replacements to restore production hardware availability.
- Resolved hardware and OS incidents across Windows and Linux endpoints by performing component replacement, system recovery, and driver updates.
- Repaired desktops, laptops, servers, and peripherals by replacing RAM, storage drives, power modules, and network adapters and validating operation post-repair.
- Diagnosed and resolved TCP/IP, DNS, and DHCP issues for office LANs and Wi-Fi segments, restoring connectivity for affected users and services.
- Logged and tracked incidents, changes, and problem records in ServiceNow and produced clear diagnostic notes for escalations to server and network teams.
- Maintained accurate asset and inventory records and automated weekly inventory exports using PowerShell and Python scripts to reconcile records with ServiceNow.
- Coordinated equipment moves, installations, upgrades, and decommissions on the floor, performing pre-move checks and post-move validation to minimize user disruption.
- Performed preventive maintenance and firmware updates on servers and network devices and conducted root cause analysis on recurring failures to recommend corrective actions.
Education
Certifications
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