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Need Linux System Administrator In Irving,TX For Full-time

Confidential

Posted on: 10 Mar 2024

Job Location: Irving, US

Job Description:

Job Title : Linux System Administrator
Work Location : Irving,TX
Duration : Full-time

Relevant Experience (Yrs) : 10 + years of experience in Linux Administration , Red Hat and VERITAS Cluster experience

Experience Required:

Must have:
Should have experience in performing L3 (level 3) - Subject Matter Expertise in UNIX - Primary Linux, Secondary AIX
Must have current strong experience with Red Hat and VERITAS Cluster Suite and system Automation
Strong scripting knowledge: Perl scripting, shell scripting and command line utilities
Must attain and keep current appropriate industry certifications (Red hat Certified Engineer or Red hat Certified Systems
Administrator).
Redhat - 5.x, 6.x (5-7 years)
Builds, package installs, performance tuning, root cause analysis, ldap/kdc config
Native LVM for RHEL and AIX (5-7 years)
Clustering solutions
Veritas Cluster VCS(3-5 years)
Oracle Rac Builds (1-2 years)
Unix Security Framework knowledge (PAM, KDC/LDAP, SSH key management, etc)
Networking protocols (NFS, SSH, SFTP, HTTP)
Performance tuning (kernel parameters, network parameters)
HP Blade Chassis, ILO (2-5 years)
VMware containers (2-5 years)
SAN and NAS client (5-7 years)
Formal training in programming (4 years)
Shell programming(ksh,perl) (2-5 years)
CFengine,Chef,Puppet(1-3 years)
Experience as an IT Linux server administrator and hands on support of Postfix
Strong working knowledge of MySQL
Strong working knowledge/support of Unix based system
Strong working knowledge of virtualization technologies and VMware products
Strong knowledge of DNS and network tools (ping, traceroute, etc.)
Experience with supporting enterprise applications such as Oracle Financials and Oracle databases running onLinux
Must be able to troubleshoot complex issues quickly and effectively
Deep understanding of basic TCP/IP and internet protocols required
Knowledge of NIS, LDAP, NFS, SMTP, IMAP, and X11R7 is required
Knowledge of SAN/NAS management is a plus
Ability to clearly communicate business and technical concepts in writing or orally

Roles & Responsibilities:

Server Administration - Hardware, OS, SAN allocations, Network, and Scripting
Software Installations - OS Package/patch installations, client software installation
Monitoring - Tivoli alerts, system and network-level performance monitoring, performance tuning, backups, and capacity planning
Project representation - Represent the team on assigned projects, planning and implementation
Processes - Global standards, compliance, security, change management, asset management
Server Migrations - Database, Application, Web server migrations between Datacenters
Server and Process Automation
Schedules installations and upgrades and maintains them in accordance with established IT policies and procedures.
Monitors and tunes the system to achieve optimum performance levels.
Performs software installations and upgrades to operating systems and layered software packages
Schedules installations and upgrades and maintains them in accordance with established IT policies and procedures
Monitors and tunes the system to achieve optimum performance levels
Maintains data files and control procedures for complex systems of networked computers or a single group of microcomputers linked to
a host workstation
Ensures long-term requirements of systems operations and administration are included in the overall information systems planning of
the organization
Responsible for the installation, maintenance, configuration, and integrity of computer software
Implements operating system enhancements that will improve the reliability and performance of the system
Responsible for system security and data integrity that involves general troubleshooting and communication with end users
Monitors network traffic and makes necessary recommendations for additional resources or hardware
May maintain project schedules

Generic Managerial Skills:

Self-starter required.
Strong customer and quality-focus is a must.
Sound problem resolution, judgment, and decision-making skills required.
Excellent organizational, interpersonal, and project management skills.
Excellent communication skills both written and oral.
Ability to focus on multiple simultaneous problems under tight deadlines.
Candidate with Spanish knowledge is advantage.

Education : Bachelors degree

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