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@amedina79
Flag of Canada Calgary, Canada
Member since July, 2008
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amedina79

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Areas of expertise: • Linux/AIX admin (SLES, RedHat, Debian), hardening, package management and scripts development • Virtualization on POWER/i386/x86-64 arch through Xen, KVM and VMWare • SAN, NAS, DAS storage management (IBM/EMC/NetApp) • Load balancing and high-availability management with HAproxy and keepalived software. • IT Project Management • Enterprise Networking • IT Architect/Presales skills • Excellent troubleshooting skills Technical Proficiencies Certifications: Linux Certified Administrator / Specialization in Networks Company: Instituto Superior de Estudios e Investigaciones Tecnológicas, I.S.E.I.T. Date: May, 2006 Linux LPI 101 test approved () Linux LPI 102 test approved () Novell Certified Linux Administrator (Novel CLA 11 / Registration ID: CLA-LPI6ep2wz9cj6) Programming Languages: Perl, Python, C/C++, VisualBasic, HTML, Javascript, CSS, Shell scripts (bash, ksh, csh) Database Servers: Oracle 10/11, PostegreSQL, MySql, DB2. Computer and communication networking skills: Detailed knowledge of the TCP/IP stack, Client/Server model application development (Web, FTP, SMTP, IMAP4 and POP3 Servers), Development of distributed applications, Configuration and deployment of Web, FTP, SMTP, IMAP4, POP3 and LDAP (openLDAP, IBM Tivoli Directory Server) servers. Tools: Tivoli Monitoring 5.x/6.x, Tivoli Enterprise Console (TEC) 3.9, Tivoli Access Manager, Nagios, Splunk. Project Management: Coordinate hardware and software integration among several vendors, Coordinate purchasing process of equipments and resources. Time and resource management for IT projects. ITIL v3 foundations. Professional Experience CANADIAN PACIFIC RAILWAY – Calgary, Canada [June 2011 – Present] Position: Linux Administrator - Contractor (eChannel and GCRS2 projects) • Set up various server environments based on SUSE linux as operating system and make up software middleware such as IBM TAM stack (Policy server, Authorization server, Directory server, WebSEAL server), IBM WebSphere, IBM eXtreme Scale, HAProxy, NGINX and Keepalived. • In order to minimize services downtime high-availability environments were set up at several application levels through open source software such as HAproxy and Keepalived. This allowed us to follow the uptime metrics stated on the original project specification. • To follow project directives and requirements, it was necessary to adapt and improve Splunk and Appdynamics monitoring systems. • An efficient infrastructure design was successfully implemented for GCRS2 project. • In order to deploy software components and configuration across the servers, configuration managers such as Puppet and Ansible were successfully used. • By keeping project documentation on wiki up-to-date, the project achieved a dramatic reduction in information searching times. TECNOLOGIAS SMARTMATIC DE VENEZUELA, C.A. - Caracas, Venezuela [July 2009 – March 2011] Position: Linux Platform Coordinator. • Substantially decreased IT costs by implementing a virtual infrastructure based on open source software such as Xen and KVM for Linux (SLES 9.x/10.x/11.x) and Microsoft Windows critical services. • In order to get Intel/AMD servers and Storage Systems integrated, O.S. and storage teams created a well-documented detailed plan with high-availability options. • Coordination and Level 2 support to QA and Development business units were performed on a daily basis to ensure business goals. Hardening and optimization of Linux Intel/AMD servers were carried out as well. IBM DE VENEZUELA C.A. – Caracas, Venezuela [February 2006 – July 2009] Position: IT Specialist. • AIX/Linux (RedHat 5.x) specialist in POWER and x86 architecture. RedHat 5.x/SLES 10.x administration on i386/EM64T architectures. • Installation and managing of High-Availability Cluster as well as SAN and NAS networks Interconnection. Unix shell scripts (ksh, bash), perl and python development to make main client requirements work. • Successful virtual infrastructure management through VMWare vSphere & vCenter software for a government bank as facility resource. • Set up meetings and presentations with customers in order to introduce technical and non-technical solutions to their requirements. GX TECHNOLOGY DE VENEZUELA C.A. – Caracas, Venezuela [February 2005 – February 2006] Position: Systems Administrator • Responsible for the processes in the Seismic Data Processing room, administrating IBM Cluster systems with more than 80 IBM xSeries nodes in operation under Linux (RedHat 7.3) and Solaris 9 • Installation and configuration of volumes and access services for NAS storage systems (NetApp and SnapDisks). • Use of the IBM 3590 library, and network communications in general. SUN MICROSYSTEMS DE VENEZUELA C.A. – Caracas, Venezuela [June 2003 – January 2005] Position: Junior Pre sales Engineer • Design and configuration of Backup and SAN architectures. Server and Storage Integration. • Meetings with Customer to introduce designs, architectures, presentations and solutions according to their needs. • High Availability and High Performance solutions (Cluster and Grid Computing Systems). • Solaris 8/9 management for customers. Educational Background Information Systems Engineer Degree (2002) Universidad Católica Andres Bello(UCAB) Caracas, Venezuela
$30 USD/giờ
2 đánh giá
2.1
  • 100%Các công việc hoàn thành
  • 100%Đúng ngân sách
  • 100%Đúng giờ
  • N/ATỉ lệ thuê lại

Portfolio

Các đánh giá gần đây

Kinh nghiệm

Linux adiministrator

Mar 2014 - Dec 2015 (1 year)

Improving of Linux server builds on both physical and virtual environments by tuning and adjusting Red Hat Satellite/SpaceWalk profiles according to new corporation standards. Design and development of a custom P2V tool based on Clonezilla open-source software, it's no longer necessary to run commands manually, nor editing files which are error prone steps. This way a Linux server can be p2v'ed in less than 30 minutes.

Linux administrator

Jun 2011 - Jun 2013 (2 years)

-- Set up various server environments based on SUSE linux as operating system and make up software middleware such as IBM TAM stack (Policy server, Authorization server, Directory server, WebSEAL server), IBM WebSphere, IBM eXtreme Scale, HAProxy, NGINX and Keepalived. -- In order to minimize services downtime a high-availability environment was set up at several application levels based on open source software such as HAproxy and Keepalived. This allowed us to follow the uptime metrics stated on the origi

Linux platform coordinator

Jul 2009 - Mar 2011 (1 year)

-- Substantially decreased IT costs by implementing a virtual infrastructure based on open source software such as Xen and KVM for Linux and Microsoft Windows critical services. -- In order to get Intel/AMD servers and Storage Systems integrated, O.S. and storage teams created a well-documented detailed plan with high-availability options. -- Corporate Linux services administration based on Redhat Enterprise Linux 5.x and SuSE Linux 11.x on a daily basis. -- Coordination and Level 2 support to QA and Dev

IT Specialist

Feb 2006 - Jul 2009 (3 years)

-- AIX/Linux specialist in POWER and x86 architecture. Linux Administration on i386/EM64T architectures based on Redhat Enterprise Linux 5.x and SuSE Linux 10.x -- In order to implement a robust infrastructure as per client’s requirements, installation and managing of High-Availability Cluster as well as SAN and NAS networks interconnection were successfully done. -- Unix shell scripts (ksh, bash), perl and python development to make main client’s requirements work. -- Successful virtual infrastructure m

Linux administrator

Feb 2005 - Jan 2006 (11 months)

-- Responsible for the processes in the Seismic Data Processing room, administrating IBM Cluster systems with more than 80 IBM xSeries nodes in operation under Linux (Red Hat 7.3) and Solaris 9 -- Installation and configuration of volumes and access services for NAS storage systems (NetApp and SnapDisks). -- Use of the IBM 3590 library, and network communications in general.

Presales Engineer

Jun 2003 - Jan 2005 (1 year)

-- Design and configuration of Backup and SAN architectures. Server and Storage Integration. -- Meetings with Customer to introduce designs, architectures, presentations and solutions according to their needs. -- High Availability and High Performance solutions (Cluster and Grid Computing Systems) on Solaris (Sparc) and Redhat Enterprise Linux 3.0 and SuSE Linux 9.x (x86/amd-64). Solaris 8/9 management for customers.

Giáo dục

Computer Engineering

1996 - 2002 (6 years)

Chứng chỉ

LPIC-1 (2013)

Linux Professional Institute

LPIC-1 is a junior level certification for Linux administrators. You should be able to perform maintenance tasks with the command line, install & configure a workstation and be able to configure a basic network.

LPIC-2 (2013)

Linux Professional Institute

LPIC-2 is aimed at advanced Linux professionals. To be awarded LPIC level 2 you should be able administer small to medium sized mixed networks and provide suggestions to upper management.

Novel CLA 11 (2009)

Novel

Through this Novel certification, you're able to manage SUSE 11 internal processes as well as advanced configurations.

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