Tier 3 (L3) IT infra support is the final line of support and comprises a technical team that deals with technical problems.
Troubleshooting, configuration, database administration, and repair for server, network, infrastructure, Data Center, email, file shares, and other infrastructure issues.
Besides always having the ability to deploy solutions to new problems, a Level 3 tech usually has the most expertise in a company and is the go-to person for solving difficult issues.
With years of experience, the L3 experts can manage and resolve almost any problem that requires high expertise. They can also control the infrastructure, cloud, network, and DC level operations.
All the high-end administration tasks are secure in their hands, and it is advisable to have at least an L3 level technician as a team leader in every operation.
These engineers use requirements and aim to replicate problems to detect the root cause. They have access to the highest technological support for fixing issues or developing new features.
Their team mainly consists of chief engineers who designed the product or service.
Documentation -Create and Maintain standardized work required for L3 work.
Inventorymanagement for Server / Network equipments.
GALC requests -setting up terminal, creation, physical / virtual.
Pre-shift checks- GALC / ICS, servers, systems, DPS,etc.
Change requests -port activations, switch installs, cabinet remediation (ups / hvac), Preventive.
Maintenanceactivities (UPS / HVAC / Generator).
NetworkDrops / setup assistance / Confirmation - Change controls, switch install, power,network.
drop, vlan,firewall, Other network tasks.
Time card boxes(Kronos clocks and vendor time clocks installs / support).
Rack and Stackequipment, camera installs.
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Tier 3 (L3) IT infra support is the final line of support and comprises a technical team that deals with technical problems. With years of experience, the L3 experts can manage and resolve almost any problem that requires high expertise. All the high-end administration tasks are secure in their hand...
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