Zeeshanuddin Mohammad

Tek Systems – Microsoft (Mount Pleasant Site) | Present

• Lead datacenter operations teams supporting enterprise-scale Microsoft infrastructure environments.
• Coordinate daily technician activities including rack/stack deployments, hardware installations, and infrastructure maintenance.
• Perform network investigations and diagnose connectivity issues across datacenter infrastructure.
• Troubleshoot network cable issues, identify cable mismatches, and verify correct network connections.
• Replace and maintain patch panels, fiber cassettes, MPO cables, AOC cables, and AOC-Y cables.
• Track and verify all cable endpoints ensuring proper connectivity between servers, switches, and network infrastructure.
• Perform asset tag verification and validate hardware inventory accuracy.
• Identify and resolve cable mismatch issues according to Microsoft datacenter cabling standards.
• Perform end-to-end cable tracing to validate correct routing across racks and datacenter rows.
• Use Phynet connections and Putty to verify device connectivity and communication.
• Perform homerun testing to determine whether connectivity issues originate from cables or switch ports.
• Replace damaged or faulty copper and fiber cables following enterprise cabling standards.
• Perform hardware maintenance including memory swaps, CPU replacements, and hardware reseating.
• Clean, inspect, and reseat servers and hardware components to maintain operational reliability.
• Support advanced troubleshooting and server diagnostics within Microsoft datacenter environments.
• Ensure compliance with datacenter safety standards, operational procedures, and change management protocols.
• Mentor junior technicians and provide guidance on troubleshooting procedures and best practices.
• Support large-scale datacenter projects including hardware deployments, migrations, and lifecycle replacements.

Configured and monitored NVSwitch H100/A100 GB200/NVL72 TRN cluster environment, leveraging 100% liquid-cooled AI racks for enhanced computational efficiency.

• Conducted root cause analyses to prevent service interruptions and implemented proactive

measures.

• Collaborated with the network team to enhance Local Area Network/Wide Area Network

infrastructures, significantly improving system performance and reliability.

• Created instructional guides and troubleshooting documentation to resolve common

desktop issues and reduce repeat support requests.

• Resolved technical issues across diverse enterprise environments, improving system

performance, and supporting organizational goals.

• Developed and documented Information Technology infrastructure improvements and

modernization initiatives for enhanced security and reliability.

• Enhanced Information Technology Service Management troubleshooting scripts while

diagnosing and resolving complex technical issues.

• Review full enterprise infrastructure settings, ensuring completeness across multilocation

networks.

• Investigated and documented Local Area Network/Wide Area Network and network

infrastructure design improvements, recommending system upgrades for enhanced security

and efficiency.

• Enhanced Active Directory structure and Domain Name System for improved reliability and

performance.

• Enhanced Information Technology infrastructure improvements and service delivery,

implementing strategic modernization measures to enhance system robustness.

• Managed Windows configurations and Virtual Private Network solutions, improving network

security and resilience.

• Support deployment of on‑site datacenter physical hardware, ensuring accurate installation,

staging, and verification of critical equipment.

• Create and manage end‑to‑end project plans, driving on‑time delivery through structured

execution and proactive risk mitigation.

• Communicate project progress with cross‑functional teams and stakeholders, ensuring

alignment, transparency, and timely updates.

• Perform daily project check‑ins, monitor task status, and address blockers to maintain delivery

quality and schedule adherence.• Prepare, stage, rack, un-rack, and perform startups/shutdowns of servers, switches, hard

drives, and other hardware following standardized procedures and checklists.

• Install, replace, test, and troubleshoot cables, network components, and hardware to maintain

optimal datacenter performance.

• Complete assigned tickets efficiently in alignment with KPI expectations and meet or exceed

SLA requirements with minimal guidance.

• Conduct post‑execution quality checks to verify grounding, labeling, staging, and cabling to

meet safety protocols, deployment standards, and Network Design Task (NDT) requirements.

• Partner with engineering teams to perform diagnostic testing, analyze fault codes, and rapidly

identify root causes of infrastructure issues.

• Execute ticketed tasks to replace faulty components with minimal impact on customer

operations and business continuity.

• Maintain accurate documentation of all incoming and outgoing hardware deliveries and

transactions.

• Perform routine inventory audits to ensure accuracy, compliance, and proper control of

datacenter assets.

• Manage ticketing queues, resolve escalations, and clear blocking issues to support continuous

delivery of Inventory & Asset activities in accordance with internal policies.

• Safely move and handle equipment using pallet jacks and assisted‑lifting devices for efficient

material flow.

• Perform secure destruction of data‑bearing devices (HDDs, SSDs, etc.) following strict

compliance and data protection procedures.

• Support material movement and shipping/receiving operations, ensuring accurate inventory

updates and documentation.

• Adhere to and execute organizational safety programs, compliance standards, and operational

protocols.

• Identify operational risks, process gaps, and improve opportunities, and communicate findings

to stakeholders to support timely resolution.

• Provide feedback on process improvements, best practices, and tooling enhancements to

drive increased efficiency and productivity.

• Demonstrate expert knowledge of standard operating procedures and evaluate the impact of

workflow changes on operations.

• Apply advanced diagnostic and troubleshooting skills to quickly resolve complex

infrastructure issues; document incidents and support proper decommissioning processes.

• Contribute to issue tracking, client relations, and service metric reporting while maintaining

awareness of key operational KPIs.

• Support cross‑functional workflows and mentor or train junior technicians, reinforcing a strong

technical and collaborative environment.• Promote a safe, secure, and compliant workplace by following and reinforcing all safety,

security, and data‑management policies.

• Actively embody and promote the Microsoft One culture, fostering teamwork, shared

ownership, and operational excellence.

• Supported deployment of large‑scale on‑site datacenter hardware, ensuring accurate racking,

unracking, installation, staging, and verification of servers, switches, storage, and critical

infrastructure equipment.

• Performed daily project check‑ins, tracked task progress, removed blockers, and maintained

delivery quality according to enterprise standards.

• Prepared, staged, racked, cabled, and performed startups/shutdowns of servers, switches,

PDUs, and storage devices, following standardized procedures, SOPs, and engineering

protocols.

• Installed, terminated, tested, and troubleshot CAT5/CAT6, fiber optic (SM/MM) cabling, patch

panels, and structured cabling systems to maintain optimal datacenter performance.

• Ensured clean structured cabling layouts with proper bundling, labeling, color coding, and

adherence to enterprise datacenter cabling standards.

• Completed assigned tickets efficiently while meeting or exceeding KPI and SLA expectations

with minimal supervision.

• Conducted thorough post‑execution quality checks, validating grounding, labeling, staging,

and cabling against safety protocols, deployment standards, and Network Design Task (NDT)

specifications.

• Partnered with engineering teams to perform diagnostic testing, read and analyze fault

codes, and rapidly identify root causes of hardware and network issues.

• Replaced faulty components (NICs, PSUs, DIMMs, drives, switches, optics, etc.) with minimal

impact on customer operations and business continuity.

• Maintained accurate documentation of all hardware arrivals, departures, serial tracking, and

chain‑of‑custody requirements.

• Performed routine inventory audits to ensure compliance, accuracy, and full lifecycle control

of datacenter assets.

• Managed ticketing queues, resolved escalations, and removed operational blockers to

support continuous delivery of Inventory & Asset workflows.

• Safely handled and transported equipment using pallet jacks, lifting tools, and approved

datacenter material‑movement equipment.• Performed secure destruction of data‑bearing devices including HDDs, SSDs, and NVMe

drives in compliance with strict enterprise data‑protection policies.

• Supported shipping, receiving, RMA processing, and material movement while ensuring

accurate inventory updates and documentation.

• Adhered to all organizational safety programs, compliance requirements, and operational

standards, completing required safety and data‑handling certifications.

• Identified operational risks, process gaps, and improvement opportunities; communicated

findings to stakeholders to drive timely resolution.

• Shared lessons learned, contributed to best‑practice improvements, and recommended

tooling/procedure updates to increase operational efficiency.

• Demonstrated expert knowledge of enterprise SOPs and assessed the impact of workflow

and infrastructure changes on operational performance.

• Applied advanced diagnostic and troubleshooting skills to resolve complex infrastructure

issues; documented incidents and supported proper decommissioning procedures.

Supported deployment and installation of on‑site datacenter hardware, including racking,

unracking, staging, and verification of servers, switches, and storage devices.

• Installed, terminated, and troubleshot CAT5/CAT6 copper cabling, fiber optic (SM/MM) runs,

patch panels, and structured cabling systems to maintain network performance and meet

enterprise standards.

• Performed startups, shutdowns, and physical setup of racks, PDUs, hard drives, and network

hardware using standardized procedures, checklists, and engineering guides.

• Created and followed task-based project plans, providing updates and communicating

progress to team leads and cross-functional groups.

• Handled daily operational tasks including ticket execution, KPI/SLA‑driven work, and efficient

completion of incident, service, and change requests.

• Conducted post‑deployment quality checks ensuring correct grounding, labeling, staging,

and cabling based on safety protocols and design requirements.• Performed diagnostic checks, fault code analysis, and basic regression testing alongside

engineering teams to identify the root cause of hardware and infrastructure issues.

• Completed component replacement tasks (NICs, PSUs, drives, optics, cables) with minimal

service disruption to customer or business operations.

• Maintained accurate documentation of hardware movements, deliveries, serial tracking, and

asset updates.

• Conduct regular inventory audits and ensure compliance with asset management and

datacenter lifecycle controls.

• Managed ticket queues, resolved escalations, and assisted in clearing blockers to maintain

smooth inventory and asset workflows.

• Safely handled and transported equipment using pallet jacks, lifts, and approved datacenter

material‑handling tools.

• Performed compliant destruction of data‑bearing devices (HDDs, SSDs) and supported

shipping, receiving, and hardware logistics.

• Identified operational risks, process gaps, and areas for improvement, communicating

findings to leadership to support timely resolution.

• Documented lessons learned, shared best practices, and contributed ideas to improve

procedures, tooling, and operational efficiency.

• Applied troubleshooting skills to resolve infrastructure issues and supported proper

documentation and decommissioning activities.

• Trained and supported junior technicians in cabling standards, racking procedures, safety

practices, and operational workflows.