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Linux Administrator

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Location: Hyderabad India
Job ID: 1017664HV
Date Posted: Aug 8, 2022
Segment: IT
Business Unit: Hitachi Vantara
Company Name: Hitachi Vantara Corporation
Profession (Job Category): Project/Program Management

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About Company:-

For over 100 years, Hitachi Vantara Federal has been inventing the future through an innovative mindset and leading the way in data-driven solutions. Hitachi Vantara Federal is meeting an urgent and fast-growing demand that combines technology, intellectual property, and industry knowledge to deliver data-managing solutions. Our company is positioned to continue to deliver extraordinary outcomes that help enterprises improve their customers' experiences, develop new revenue streams, and lower the costs of businesses. We drive advantage for our clients by combining IT, operational technology (OT), and domain expertise. Join our team today to help continue to make the extraordinary happen.

SAN Unix SA:
Responsibilities:

• Provide technical System Administrative support for a large complex SAN Storage migration project;
• Liaise with stakeholders to arrange downtime windows and provide information required for change management
• Reboot the servers as required to support the SAN Storage migration factory initiative
• Resolving any issues discovered post server reboot and SAN Storage migrations and initiating corrective action plans as appropriate;
• Ensure processes are clearly documented;
• Provide regular communication to management and stakeholders of migration scheduling status for your scope, including risks, issues and mitigations;
• At times work across multiple time zones and infrastructure areas support teams to ensure high level of support service (while work is predominantly NAM time zone)
• Work outside of office hours as per agreed downtime windows to support the migrations
• Communicate complex technical issues to business users in a language they understand;
• Manage a workload which is subject to changing priorities and demands;
• Create and maintain a knowledge base to ensure that knowledge transfer takes place within the team;

• Engineering solutions and participation in projects implementation in Linux area;
• Trouble-shooting and problem solving of complex issues;
• Reduction of faults, root cause analysis;

Req Qualifications:

• Strong technical knowledge and hands-on experience in: operating systems: RedHat, AIX, Solaris:
o up to date hands-on experience on RedHat is a must. Must be RedHat. Other Linux flavours won't work for us,
o AIX and/or Solaris experience is required. Could be used a while ago but candidate had to be proficient in these OSes.
o scripting: BASH, perl, Python. Ability to create own scripts and tools, ability to use one-liners on daily tasks.
o understanding of differences between SAN and NAS storage: pros, cons, where fits better, when to use, when not recommended.

Clustering solutions:

o Veritas Cluster, HACMP/PowerHA - hands on experience,
o Oracle RAC awareness and understanding - no hands-on experience required here but must know how to deal with it from the OS level.
o proficient with SAN storage administration at the client level:
o configuration of SAN storage at the OS level including Oracle ASM and Sybase RAW devices,
o management of SAN storage using LVMs (Logical Volume Managers) like native OS LVMs and VxVM (Veritas Volume Manager),
o multipathing software (native RedHat DeviceMapper, native AIX solution, EMC PowerPath, VxDMP),
o migration of SAN storage, LUNs replacement. Preparation, requirements, online/offline methods, possible impact for applications,
o understanding of SAN storage protection: snapshots, replication synchronous/asynchronous,
o analysis of SAN performance issues,
o troubleshooting of SAN related issues at the client level.
o strong understanding of SAN network and storage arrays concepts. RAID, LUN, masking, SAN zoning, HBAs, FC ports, cabling, flash storage. Hands-on experience not required here but must know what it is, what for, what provides, how affects clients which are using SAN storage.

• Knowledge of Veritas product suite including Volume Manager and Cluster Server;
• Knowledge and understanding of naming services such as Active Directory/LDAP/CentrifyDC;
• Knowledge of HP, IBM hardware up to enterprise level;
• Standard office automation products (Word, Excel, Outlook);
• Minimum 5 years of experience in Technology Solutions or support service delivery;
• Able to work remotely as required;
• Prior experience in large scale enterprise infrastructure support
• Experience in Infrastructure Support Group in a high availability/mission critical environment;
• Experience in managing communications across business and technology stakeholders at varying levels across a medium to large scale enterprise;
• Experience of Linux Systems Administration to a certifiable level;
• Analytic and methodical approach to problem solving;
• Ability to remain calm and objective in a high-pressure environment;
• Must have strong self-management and be ready to use own initiative;
• communication, influencing and organizational skills are a must;
• Demonstrate accountability, leadership, independent initiatives and willingness to lead and work with teams across multiple locations and time zones;
• Strong team player skills;
• Flexible and being able to manage time effectively;
• Able to work with sense of urgency under multiple deadlines and successfully organize and complete tasks with minimal supervision;
• Fluent English.
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