Eric Reijtenbagh

Experience

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  Lucent Technologies

  Jan 1995 - Jan 1996

  Trainee Support Engineer

  Technical, support, technical maintenance, testingIn the department test & repair in Huizen consisting of test, repairers and senior support engineers: responsibilty for the development of the improvement of the repair process of the 5ESS telephone exhange.

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  KPN Telecom BV

  Jan 1997 - Jan 1999

  Application Manager

  Application Management of Leased Lines application.Management, technical support and guidance of department of 10 personswhich is responsible for serving network capacity for "Leased Lines" (aka VVIS).Serving users with solutions to questions and issues related to the different VVIS applications.Organizing the backup of the database Switched circuits (DACs-VVIS).

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  KPN

  Jan 2000 - Jan 2001

  System Administrator

  For a full description of my postition at KPN I would like to refer to the description of my position at Atos Origin(above) since the IT activities of KPN were taken over by Atos Origin in 2001.

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  Atos Origin

  Jan 2002 - Jan 2009

  System Administrator

  Responsible for the continuous operation of systems for applications including "VVIS i.e. Leased lines" and several application for telephony. Specific telecom network management applications are running on these systems.Performing as contact for the systems management of Telecommunication Management applications assigned to me such as (VVIS, DND, xDSL and NG-AWS).These systems are running on different versions of the SUN Solaris Unix Operating System (Solaris 2.6, 7, 8, 9 and 10).Providing standby service on platforms running on HP-UX, Solaris and Red Hat Linux.Maintenance of the aforementioned systems.Installing and configuring the systems at the client's request (Request for Change) including Legato backup software.Under my responsibility an inquiry was conducted to organize and improve the processing of incidents, problems and changes (in compliance with ITIL) which led to better performance of the systems as well as the personnel and satisfied customers.Participation in projects in which I am responsible for consulting customers with respect to the installation of new software on their systems.Responsible for conducting maintenance, backup en restore and keeping the system documentation up to date.Managing and monitoring the operational environment (performance, availability, quality, utilization, etc.).Analyze, solve incidents and problems and make efforts to prevent failure/breakdown of the system.Participating in projects which lead to the development of new(Releases of) applications, new hardware or system software.For VVIS platform deeply involved in the conversion of the database from Oracle 7 to Oracle 9.Directing the installation of new (Releases) applications, new hardware or system software.Auditing to determine the feasability of the adoption of new application / service) carried out on the Test and Release Center(T & R) in The Hague. Show less

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  Getronics

  Feb 2009 - Sept 2010

  Database Administrator

  Responsible for the operational management and maintenance of several SQL Server, MS SQL, and Oracle databases (versions 9,10 and 11) including RAC for various customers like NS, Aegon, Ahold, Isabel, ANWB and the Municipal op Amsterdam.Installation of Oracle 10 Database software as well as databases including Tivoli backup software.The configuration and tuning of Nagios monitoring tools together with Gridcontrol in order to monitor the correct functioning of the databases.Taking proactive action on the basis of the information from Nagios and Gridcontrol.Exporting and importing databases from an operational to a test environment.Solving brokers, incidents and service calls as well as the implementation of RFCs(Request For Change) on behalf of several customers.Regularly taking charge of First line shifts, taking responsibility of the handling and delegation of incoming calls.Creation of backup and dump prior to the implementation of an RFC in case a rollback has to be performed.Proactively monitoring the servers on which the databases run by means of checking the capacity of the file systems Creating of datasheets as how to solve incidents and problems for the benefit of others.Writing of so called Problem Reports whenever a major incident has occurred in which the root cause analysis as well as recommendations are described as to how to avoid a major incident from occurring again.Staying up to date on the field of Oracle technology through web seminars, courses and reading of documentation.Security: Monitoring access to and the use of the databases: the removal and adding of users thereby administering roles and quotas to the appropriate users of the several departments.Participation in several projects wherein new databases are being brought under our administration. Show less

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  Turien & Co Assuradeuren

  Sept 2010 - Jan 2012

  Database Administrator

  Consulting with regard to the usage of Oracle and sql database technology on behalve of the co called " Insurance Technical Applications".Streamlining the dataflow between Oracle, Cobol and, MS SQL and SQL server databases.Composing of reports and recommendation with regard to performance, security and authorization of the databases. Monitoring and ensuring that a standardized usage of the database is being respected as well as creating manuals which describe the correct usage of the database.Consulting the developers in optimizing and tuning of the sql scripts they have written, the main objective is to get a maximum performance from and minimum load on the database.Resolving performance issues on the database through the creation of indexes, partitioned tables, materialized views and improved execution plans.Responsible for the administration and keeping operational of several Oracle databases running on windows 2003 and 2008 on the behalf of the so called “Insurance Technical Applications”.Describing a plan of approach to achieve the migration from Oracle version 10 to 11.Proactively monitoring the databases on changes being made to the database model on behalf of the DTAP(development en testing) roadmap in order to ensure that changes and releases are being implemented according to the DTAP Guidelines. The result of this that at all times can be verified on which release level each consecutive database resides. Creation and refresh of duplicates(or restore of older versions) of the database through the use of rman backup and recovery on behalf of the DTAP roadmap.The installation, configuration of APEX(Oracle Application Express) on behalf of the web application “Retrieval of Insurance Policies”.Close participation in several projects wherein new releases or upgrades of applications are being rolled out with regard to changes being made to the database model. Show less

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  Atos

  Nov 2011 - Jul 2013

  DBA/Application Manager

  Working as DBA/Application Manager at several assignments.

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  Ministry of Industry and Commerce

  Aug 2013 - Sept 2014

  DBA and Middleware

  The responsibilty for the maintenance and high availability of the Oracle, MS SQL and sqlserver database platforms and the subsequent various middleware and client applications. The work involves performing changes, resolving incidents, problems, running acceptance tests, and proactive maintenance

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  EDF Energy

  Oct 2014 - Jan 2015

  Oracle DBA

  Responsible for the migration and upgrading of Oracle landscape from Belgium to France.

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  Ahold

  Mar 2015 - Jun 2015

  Oracle Encryption Specialist

  Responsible for upgrading Encrypted Oracle databases from various versions to Oracle 12c.

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  Dienst Uitvoering Onderwijs (DUO)

  Jul 2015 - Oct 2017

  Technical Application Manager

  Migrating and upgrading DigiS@m servers and testing the applications.Management of the eDocs MS SQL Server environment and problem analysis of DigiS@m/eDocs incidents.

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  CIZ, Centrum indicatiestelling zorg

  Nov 2017 - now

  IT Specialist/IT infrastructure

  The CIZ implements the 'Long-term Care Act' WLZ for the Ministry of Health, Welfare and Sport. To achieve this, the systems must comply with legislation and regulations. The aim of this project is to develop a robust and flexible system for processing healthcare requests. The Portero Applications runs on OpenText Cordys (BPM) and Groovy/Grails (GUI).The work is done according to the scrum methodology, whereby a release is brought live every 3 weeks.By keeping the iterations short and continuously optimizing the development process, we are together able to keep the quality of the software high.The following Software, tools and methods are being used:CordysGrails / TomcatWindows ServerAzureSQL ServerT-SQL (MSSQL)JenkinsJavaSubversion VisualSVNBitbucketPowershellChocolateyDokuwikiELKstack: Kibana Logstash ElasticsearchDockerJiraAgile / ScrumContinious Integration / Continious Delivery Show less