Linux Admin- Infrastructure

OverviewThe role of Infrastructure Support in the IT/Systems sector is crucial for ensuring the smooth operation and maintenance of a company’s technical infrastructure. This position plays a vital role in supporting various IT systems, networks, and hardware, contributing directly to the company’s success by enabling efficient operations and minimizing downtime. ResponsibilitiesStrong exposure in ITIL process (Incidents & Requests). Excellent & Strong communication skill with Customer/Vendor. Following Standard Operating Procedures for BAU support configure and maintain all applicable Servers. Perform Health Check of UNIX Servers as per agreed schedules.

Closure of Tickets, issue resolution and managing services as per agreed SLA. Performance monitoring & initiate actions for the servers & sub systems. Taking actions against alerts within SLA. Action to be taken to optimize Alert & events for permanent resolution. Responsible of conduct meeting with customer and preparing MOM to the customer Should be able to performing RHEL OS & Security, Open SSL vulnerability remediation on Production & Non Production. Able to build a CI/CD pipeline Jenkins job to streamline all the manual operations Must be hands on experience in monitoring application related infra alerts.

Applying the latest security, enhancement and regular patches to the Unix / Linux servers, along with management tools Providing support for Unix / Linux incidents and service requests Assisting with any firewall / DNS requests related to Unix / Linux servers Performing research as required to implement any new Unix / Linux components that are required for project and operations related requests Preparing project and operational documentation, such as Run Books and System Operating manuals Coordinate between the client employees, Server/System Engineers and third party vendors/providers Assisting the Project Manager by providing a technical project coordination role.

Abiding by Incident, Request including complying with the Service Level Agreements as documented in the Problem Severity matrix. Create regular reports for Management requirements. Basic shell scripting knowledge such as Bash or Python. Able to perform tools installation in all the flavour of OS such as Big Fix Agent ,HPSA, Crowd Strike, Splunk agent. Should have an experience in OS package upgrade and Kernel upgradation activities. Able to resolve kernel panic and OS related issues. Performing new file system creation or extension on Redhat Linux servers as per request. User/group Administration tasks.

Should Provide action plan to DBA and Application team while utilize more CPU and Memory. Basic knowledge of shell scripting while need to make our administrative task automation. Preparing and Presenting RCA within customer committed timings. Able to provide technical guidance whenever team needs to support. RequirementsGood Knowledge on Linux commandsAtleast 4-5yrs exp in Linux OS patchingGood knowledge on Infrastrutuce components and know on automation tool like Jenkins