CV: System Engineer, Database Administrator


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Candidate Profile
 Date Submitted:07-11-2013
 Last Modified:28-06-2020 (07:37)
Job information
 Current job:System Engineer, Database Administrator
 Employment Term:Permanent
 Job location:Anywhere
 Date available:within 2 months
 Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, , , Launch Systems, Business Services
 KeywordsOracle OCP Certification. Linux SuSE CE9 Certification, ITIL Foundation v3, Oracle GoldenGate Certification, CouchBase Certification
CV

Education:

 BSc Degree Chemistry.

 Masters Degree Intelligent Architecture

 Degree in Systems Engineering (industrial robotics)

 Degree in Marine Engineering (cyber war and electronic weapons)

 

Qualifications:

Cloudera Certified Administrator

 Novell Certified Linux Engineer 9 (Novell CLE 9). SuSE Linux.

 DBA Oracle OCP & Data Warehouse certification

Oracle GoldenGate certification

 ITIL v3 Foundation certification.

 

Career Summary:

Career Summary

January 2017 Current

Plus-Server/NEXINTO - Hamburg

RDBMS and NoSQL DBA and System engineer.

Working as Senior DBA: Oracle RAC 11.2, 12.1, 12.2 and DG. Postgres 9.x and Farms of GreenPlum Senior Administrator. Expertise and Interest include Administration, Database Design,Performance Analysis, and Production Support for Large VLDB and Complex Databases.

Specific hands on experience include administering large and complex

Databases, Database Design, Normalization, Replication, Log Shipping, Full text

indexing, and Database Application Development using varied development tools.

Extensively worked on ETL design and development. Expert in dimension modeling OLAP

structures. Extensively worked on Active-Active and Active-Passive Clustering.

Proficiency and expertise in SQL Server Replication, Backup/Recovery, Disaster recovery

planning and Security Management. Install, initialize, validate, and configure Greenplum

Databases. Implemented Greenplum's Advanced workload management for dynamic query

prioritization.

 

November 2015 – December 2016.

University of Cambridge. Trinity College. Jagex. (Cambridge, UK). Permanent Staff.

SQL and NoSQL DBA. System engineer. Scrum Master.

Jagex is one of the most important Companies in the Game industry. Created as a spin off from the University of Cambridge.

Working as PostgresSQL (9.x clusters), CouchBase NoSQL and CouchDB NoSQL DBA. Senior System Storage engineer (EMC VPLEX 5300) in our Offices located in Cambridge Science Park (UK). As part of my work as DBA, I have to make the installation of new clusters PostgresSQL) in our data centers (Cambridge and London) as well as the maintenance tasks of the existing ones. I am responsible for 37 production clusters with more than 200 servers. Plus eight other NoSQL clusters for bigdata also with remote replication. Upgrade tasks, performance and migrations. Migrations between SQL and NoSQL databases. Oracle and MySQL to PostgresSQL. Oracle to Couchbase. Storage Administration EMC Unisphere VPLEX 5.4 / VNX 5200 and VNX 5300. Elasticsearch and Kibana setup.

Agile Scrum Master.

Facilitate sprint planning, daily scrums, retrospectives, stakeholder meetings, and software demostrations.

Protect development team from outside distractions, impediments, or teams conflicts, and maintain focus on product backlog project timeline.

Work closely with project owner in backlog management and continuous delivery of features.

Educate and reinforce scrum methodology and agile framework to team members and stakeholders.

Direct ad kead development team from project initiation through the delivery of final product.

 

April 2011 February 2016

European Southern Observatory ESO (Garching bei Munchen, Germany)

Oracle/Sybase DBA ALMA Technical Team Leader (Oracle Streaming and GoldenGate Administrator). Head Technical Manager and Oracle Engineer ALMA Team. Linux/Unix Engineer. OEM Cloud 12c. Oracle GoldenGate International ALMA team Manager. MongoDB. SyBase DBA.

ESO, the European Southern Observatory, is the foremost intergovernmental astronomy organization in Europe and the world's most productive astronomical observatory. ESO provides state-of-the-art research facilities to astronomers and is supported by Austria, Belgium, Brazil, the Czech Republic, Denmark, Finland, France, Germany, Italy, the Netherlands, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Several other countries have expressed an interest in membership.

The European Southern Observatory (ESO), together with its international partners (NASA/NRAO and NAOJ), has built ALMA. ALMA is the most powerful telescope for observing the cool Universe — molecular gas and dust as well as the relic radiation of the Big Bang. ALMA will study the building blocks of stars, planetary systems, galaxies and life itself. As part of the project ALMA, ESO has designed the infrastructure needed for storing all the information captured by radio telescopes and thus ensure that the information will be available to all scientists. My job is to maintain and manage our infrastructure remotely from the facilities of ESO and from the Max Plank Institute in Munich. I am also responsible for ensuring the replication of data between observatories ALMA in America (Chile) and central node in Germany (Oracle Streaming and GoldenGate Principal Administrator).

Together with two more DBAs, I'm also working as SYBASE ASE (16) DBA for the VLT observatory (Very Large Telescope), at ESO. The Very Large Telescope (VLT), the largest telescope on Paranal, is composed of four separate 8.2 m (320 in) telescopes. In addition, the four main telescopes can combine their light to make a fifth instrument, the Very Large Telescope Interferometer (VLTI). Four auxiliary telescopes of 1.8 m (71 in) each are also part of the VLTI to make it available when the main telescopes are being used for other projects. The Sybase DB is replicated using SyBase replication 15.

SyBase IQ DBA. We have our DataWarehouse based also in SyBase Technology. We are also in charge of its administration.

MariaDB is used in our internal Library to store the scientific documentation for all our projects. We have to maintain the nodes of the MariaDB cluster as part of our daily work.

 

November 2009 – March 2011

Telvent

Team Leader Engineering Group. Senior Linux/Unix Administrator, Citrix XenServer and Plesk Site Administrator. Senior Oracle DBA. Htable Architect and DBA. Scrum Master

Telvent is currently the second largest data centre in Europe, with more than 8000 UNIX / Linux servers with all distributions and flavours.

Lead Infrastructure Architect for Abengoa Telvent Global Services. Lead Linux/UNIX Architect responsible for technology direction of the virtual delivery and maintenance team supporting various high profile international projects. Responsible for standards and architectural definition of B2B and B2C on-line e-Commerce infrastructure for high profile clients with revenue in the millions; Responsible for recruiting and evaluating potential team members. Process definition, business development and quality assurance for delivery to clients and the development teams.

Principal Engineer and Team leader (12 Developer and 4 SysAdmin). Responsible for the design of the computing infrastructure (Geo-Cluster Linux based) that will keep my company in the future for the GMMRA project in the desert of Libya for the Libyan Government. This geo-cluster will consist of two data centres located 500 km from each other. Scada integration.

Responsible for the design of the new infrastructure for GeoCluster agency EFE. This new infrastructure will be based on Linux (CentOS) and MySQL, and distributed between Europe and America.

Technical Team Leader and Project Manager for the traffic department Project in Dallas (3 Developers and 2 Sysops). Technical technical leader of the design team of cloud computing and cluster NoSQL (hypertables + Hadoop) . Eucalyptus is going to be used in production.

Project Manager/Scrum Master

Planned and monitored project spending/budgeting, and guided projects to completion on time, within scope, and on budget.

Managed project scope to ensure delivery was compliant with scope commitment

Tracked and managed product backlog, burndown metrics, velocity, and task breakdown.

Addressed problems through risk management and contingency planning.


 

July 2007 – November 2009

Google Inc.

Principal Engineer - Technical Team Leader Linux/Unix Administrator / Cloud Computing / Data Manager / MySQL DBA

Linux/UNIX Team Lead and support for automation and scripting. Evangelist for Open Source, Automation and Security. Responsible for Unix systems engineering duties, such as server specification, network design for high availability, load-balancing, best security practices, operating system hardening (more). Interface with developers, project managers, operations, line of business and management for technical solutions. Support for operation department. Direct administrative responsibility for diverse, enterprise class group of Unix and Linux servers (over 100 of various flavours: AIX, Solaris, HP-UX and Linux).

Technical Leader of the group to design, in collaboration with DELL systems, the new Mass Storage Systems for Google applications (Google cloud computing). Code Key SGC. International Project with more than 60 Developers, Sysadmins and DBAs in 5 countries.

The installation system automated Google Cloud Computing servers based on Puppet. Each project must include the necessary Ruby module to be integrated into these servers and can be deployed automatically. Hadoop and Mapreduce.

I worked in the design of the Red Hat Cluster Suite installed in the Google data centre.

I also worked as a UNIX HP/UX and Solaris Administrator where we use Oracle projects and Websphere respectively.

Monitoring tools: Cacti, Nagios, Nagiosgraph, Acid, MRTG, SNORT, RRDtools. Fedora Directory Server Administrator (Open LDAP). Oracle Data Guard 11g.

One of the projects I worked on was a collaboration between Google and the Twenty Social Network for the design of its virtualized infrastructure.

SAN Administrator: (FC, iSCSI and SATA) NetAPP, HP EVA and EMC2 Clarion.

Expert in clustering (HPC and HA) and virtualization (Xen and VMware Infrastructure 3.x).

I have a strong understanding of Load Balancing and high availability systems.

As the Senior Systems Administrator I am responsible for the server infrastructure and must ensure that systems have a high uptime.

MySQL and Postgres: Database and standard normal designer. Clustering High-availability, High-redundancy, High-performance and automatic FailOver. Load Balance. Replication, mirroring, migration with other databases.

Xen: Para and Full Virtualization infrastructure with Linux CentOS (kickstart and puppet profiles design).

 

December 2006 – July 2007

Blizzard Entertainment

Unix/Linux, Networking and Microsoft (2003) Administrator / Principal DBA Manager SQL-Server

Worked as Principal DBA SQL Server 2005 (clusters), DBA MySQL clusters as well as system administration on various platforms (Windows, UNIX, Linux).

Our Data Centre is located in Madrid and London joined by Netscreen VPN. I was the Manager of a group of 12 people who work in Madrid as well as in the UK. Our main Project was the migration to a cluster-based infrastructure of the whole online payment system of the company.

 

May 2005 December 2006

INTEL Corp (Dublin, Ireland and Johannesburg, South Africa)

System Integration Engineer /Security Principal Engineer/ DBA MySQL

Work as integration engineer leader team group (5 members) in mobiles phones networks security. Key member of a small specialized team of Systems administrators responsible of the security of clients data of company Vodacom in Johannesburg (South Africa).

Linux and Solaris clusters supporting Mobile Data control environments. Linux (Red Hat) engineer.

Filtering services across a number of bearers, including SMS, MMS, web and WAP. SMS/MMS/GPRS Analysis tools, GPRS/WAP Content Filtering, SMS/MMS Traffic Analysis, Spam and content filtering, spam-filtering. Oracle RAC administrator. System Backups. MySQL (Linux) DBA .

DBA MySQL 5 and LINUX/UNIX System Administrator.

SAN Storage Administrator (HITACHI).

VPN administrator (Juniper NetScreen and Draytec).

 

December 2003 May 2005

Randstad

LINUX/UNIX System Administrator and Team Leader// DBA Oracle/MySQL/DB2 // SAN Storage Administrator

Linux administrator and principal engineer. All computer system aspects covered including specification, installation, customization and trouble-shooting of hardware and software. Sales engineering and presentations at conferences and shows. HP-UX 9.x to 11i upgrades including Y2K compliance. CDE and X-Window customization. Shell programming. Customer training for application software, including POSIX shell programming and Unix Systems Management. Sales responsibilities including demonstrations and presentations at trade shows and user groups.

.My responsibilities were the design of the necessary infrastructure, planning for needed hardware, requirements and to manage the engineering group who installed and configured the entire new platform in production. It was a mixed group of different companies. 3 HP hardware engineers, 5 software engineers of Accenture, 1 engineer of Citrix and 1 more from Randstad.

Planning, installing and testing farms of HP blade servers (BL40p and BL20p) with UNIX/Linux in cluster (failover and balance).

The production and maintenance of the all systems based on UNIX (Sun Solaris over Sun Fire E6900, AIX, HPUX 11 and True64-5a), Linux (SuSE SLES8/9, RedHat 2.1, Debian Woody) with Oracle databases.

HP Storage Works Enterprise Virtual Array 3000 on HP SAN EVA (hsv100) Senior Administrator. Fibre channel switches.

All kind of UNIX Clusters: heartbeat, kimberlite, MPI, Beowulf clusters, MOSIX and OpenMOSIX, MC/Serviceguard and moreover Oracle RAC with LINUX-OCFS (SAN), Polyserve FS.

Communicates with providers and training to other members of staff of all installed software (Apache, Tomcat, Jboss, IDS, snort, MySQL, Check point FW1, and Sonicwall. HP Omniback Secure Store, HP Data Protector, Altiris and VERITAS NetBackup, HP Rapid Deployment Pack, Arkeia), VERITAS Storage Foundation, and Oracle Tuning and Administration on large databases. VMware GSX/ESX.

 

June 2001 – November 2003

SchlumbergerSema Telecom (ATOS Origin)

Senior LINUX/UNIX System Administrator

I was worked as Senior Unix/Linux Administrator over all flavours: HP/UX, True64, Sun Solaris, AIX, RedHat, SuSE and Debian.

Under my responsibilities there was the installation and maintenance of all kind of UNIX and LINUX servers for production environments. Ksh and Bash scripts.

Writing manuals and standards of installation and configuration of servers in the company and customers (AMENA and VODAFONE).

Database Administrator with Adabas over IBM mainframes. Senior Administrator on NetAPP.

Tuning for parallel processing and high performance AIX and Linux kernels. Honeynet and honeypot over VMware virtual servers.

I designed, configured and installed alone, the first High Performance Parallel cluster in SEMA (ATOSORIGIN) in the world.

This cluster (based in Debian) is actually used to maintain the personal time reports with Oracle, Apache and Artemis applications.

Sema sent me for six months to a Spanish Telecom Company (Madritel) to lead the integration team between Madritel and Retevision (a cable TV company).

 

January 2001 – June 2001

Barclays Bank

UNIX System Administrator / DBA Informix

For approximately six months I was working as UNIX System Administrator (SCO) and DBA Informix in the Barclays central DATA CENTER.

I also designed the disaster recovery DATA CENTER in other location in Madrid and the system to replicate data between them.

 

Other Information:

Currently I am Founding Member of the Spanish society of cluster studies (Hispacluster). An association dedicated to the designer of new kind of clusters over all kind of S.Os (most UNIX/Linux based). Design, installation and configuration of large clusters systems clusters (High Performance Computing Systems with MPI and MPITCH and High Availability clusters support specialist).

I have also a great interest in scientific activities outdoors, being an active component of several astronomical societies (Madrid, Granada and Ireland).


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