IT Consulting for UNIX Infrastructures & High Availability

Period: since January 2010
Customer: Deutsche Bank AG Frankfurt
Sector: Banking
Project: Consulting and Operations Sun Solaris und Linux
Role: Consultant, Administrator, technical Project leader
Tasks: Administration and daily operational support of the UNIX midrange environment (Solaris, Linux SLES, OEL) for Investment and Global Banking according to ITIL (first of all Incident-, Change- and Problem- Management)
Coordination of new server deployment and migration of obsolete systems (Tech-Refresh) with up-to-date server hardware (SUN Sparc/x86, HP Blade)
Integration of servers and instances within high availability configurations (Veritas Cluster, Flying Zones), link to SAN (EMC Symmetrix, SRDF)
IT Landscape: 4 Datacenter (Building Distribution), appr. 1000 servers / instances
Technique: SUN Sparc and x86 server, Solaris10 Zones / Containers, Veritas Foundation and Cluster, SAN EMC, EMC Powerpath, HP Bladecenter c7000, Linux (Suse Linux Enterprise Server, Oracle Enterprise Linux), VMWare vSphere, ITIL
Languages: german, english

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Period: August – December 2009
Customer: Deutsche Flugsicherung GmbH Karlsruhe
Sector: Air traffic
Project: Engineering Project Support Air Traffic Control
Role: Project Engineer
Tasks: Assembly and installation of a „Video Recording and Playback System“ as well as of a simulation and training environment in line with the launch of a new system for air traffic control and airspace surveillance
(see press release : http://www.canso.org/cms/showpage.aspx?id=920 )
IT Landscape: appr. 100 central UNIX and Linux Server, appr. 100 Flightcontroller Consoles
Technique: HP ALPHA Server, TRU64 UNIX, Linux
Languages: german, english

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Period: February – July 2009
Customer: SUN Microsystems GmbH Langen ( c/o T-Systems Bamberg )
Sector: IT Consulting / Telecommunication
Project: Administration and Consulting SUN Solaris
Role: Consultant, Administrator, Project lead (technical)
Tasks: Support and Consulting for SUN Solaris environment daily business on running servers (incidents, changes etc. according to ITIL) plus deployment of new servers
technical lead for consolidation of systems, thereby migration and move of servers and zones, partially in high availability configurations (SUN Cluster, Veritas Cluster)
Integration and link into NAS environment (NetApp)
IT Landscape: 4 datacenter (building distribution), appr. 1200 Solaris servers / instances
Technique: SUN Sparc Server, Solaris 8-10, Solaris10 Zones / Containers, SAN, iSCSI/NAS, SUN Cluster, Solaris VM (SDS), Veritas Cluster, SAP, Oracle 10g; ITIL, SOX
Languages: german, english

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Period: July 2008 – March 2009
Customer: Daimler AG Stuttgart
Sector: Automotive
Project: Problem Management Expert UNIX
Role: Consultant, Problem Expert
Tasks: Problem Management according to ITIL in scope of UNIX operations 24x7
Identification of entrapments and root cause analysis of problems within a multivendor UNIX environment (SUN Solaris, IBM AIX, HP-UX, Linux), recognition of recurrent incidents and events, trend analysises
Derivation, evaluation and implementation of sustained problem solutions to improve stability, reliability and availibility
IT Landscape: 5 Datacenter (campus distribution), appr. 2000 UNIX systems
Technique: SUN Sparc and x86 Server, Solaris 8-10, Solaris10 Zoning, SAN EMC, SUN Cluster, IBM Power5, LPAR, HMC, VIO, HACMP, SAN DS8000, SVC, HP Integrity Server, HP-UX 11i, MC ServiceGuard, Linux, SAP; ITIL, SOX
Languages: german, english
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Period: April – July 2008
Customer: Williams Lea GmbH Frankfurt
Sector: Corporate Information Services
Project: System Support, System Engineering
Role: Administrator
Tasks: Administration and support of IBM AIX servers (pSeries Power5, eg. p520, p570) as well as their infrastructure in terms of logical and virtual configurations (LPAR, VIO, HMC)
Administration of Linux RedHat (ES4) systems
Implementation central monitoring system for entire landscape (Nagios)
IT Landscape: 3 Datacenter, appr. 300 UNIX and Linux servers / instances
Technique: IBM Power5 Server, LPAR, HMC, VIO, AIX 5.x, SAN DS4000, IBM SAN Volume Controller SVC, RedHat Linux, Nagios, Oracle 10g
Languages: german

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Period: April 2006 – March 2008
Customer: European Central Bank Frankfurt
Sector: Banking
Project: Consulting for UNIX and Cluster systems
Role: Consultant, Administrator, technical Project lead
Tasks: Installation, migration and administration of SUN Solaris servers (hardware from Ultra up to SF25K, Solaris OS versions 2.6 until 10 including zones / containers)
Installation and administration of Business Crititcal Systems within SUN Cluster environments
Daily support tasks (incident management, problem management, change management)
technical lead in dedicated IT projects (eg. DMZ enhancement, deployment and integration of new servers and services, migrations of servers and storage)
IT Landscape: 6 datacenter (4 building and 2 metro distribution), appr. 500 Solaris servers / instances
Technique: SUN Sparc Server, Solaris 2.6-10, Solaris10 Zones / Containers, SAN DS8000, SUN Cluster, Solaris VM (SDS), SUN StorEdge 6130, Solaris ZFS, Oracle 9i/10g, Tomcat, BEA Weblogic, NIS+; ITIL
Languages: english, german

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Period: May 2004 – March 2006
Customer: Vodafone D2 GmbH Düsseldorf
Sector: Telecommunication
Project: Quality Assurance for Solaris and High Availability systems
Role: Consultant, Quality saver, Architect
Tasks: Planning, coordination and enforcement of quality assurance for the entire infrastructure as well as acceptance and release, based on dedicated acceptance catalogs (eg. for Solaris, Database, Network etc.) and concepts (eg. for Naming and Labeling, Rootdisclayout etc.), maintenance and enlargement of those several catalogs and concepts
Development, maintenance and review of concepts for system architectures and contribution of infrastructure-architecture requirements into projects, maintenance of the “Infrastructure Component Catalog”
Consolidation of servers and applications, integration into Veritas Cluster environments (definition and modification of service groups, creation of resources and agents, validation of dependencies between resources and service groups, adjustment of paramters for monitoring and failover )
IT Landscape: 4 datacenter (building distribution), appr. 3000 Solaris servers
Technique: SUN Sparc Server, Solaris 2.6-8, Solaris10 Zoning, SAN EMC, Veritas Cluster, Veritas Foundation, SDS, HP-UX 11i; ITIL, SOX
Languages: german, english

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Period: May 2003 – April 2004
Customer: Nestle GLOBE Center GmbH Frankfurt
Sector: Food
Projekt: Implementation of Nestle “global designed business solution” (GLOBE) for european markets, consolidation, standardisation and localisation of IT- landscapes, applications and processes, thereby implementation of complex SAP environments
Role: System and SAP Basis specialist, technical project lead
Tasks: Installation and administration of IBM RS6000 servers with AIX 4.3/5.x in PSSP and CSM environments within pre-productive and productive SAP landscapes
Migrations AIX 4.3 towards 5.1/5.2
Project lead for conception and documentation of system enhancements, implementation and maintenance of IBM systems (POWER4) with logical partitions (LPAR)
Design and implementation of the system landscapes within high available environments (mirroring, RAID, dynamic multipathing, failover systems)
Installation and configuration of HACMP/ES clustering, using IBM ESS Shark as shared storage within redundant SAN fabrics (McData), integration and alignment of application interfaces (SAP)
Collaboration at planning, coordination and accomplishment of project milestones (SAP refreshes, HACMP test sessions, migrations)
IT Landscape: 2 Datacenter (metro distribution), appr. 500 IBM AIX servers / instances
Technique: IBM Power Server p670/p690 („Regatta“), LPAR, HMC, AIX4.3, AIX5.1/2, SAN ESS800, HACMP, SAP/R3, MySAP.com (APO, BW,CRM, EBP)
Languages: english, german

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Period: January 2002 – May 2003
Customer: Commerzbank AG Frankfurt
Sector: Banking
Project: System implementation, System support
Role: Administrator, Project collaborator, Project leader (technical part)
Tasks: Solaris system administration of the Investment Banking environment (entire SUN server series incl. E10K, SF15K)
Conceptional cooperation at infrastructure projects as well as planning, preparation and extension of the infrastructure
Initiation of servers (hardware/software, configuration, documentation) as well as support of productive operations, enforcement of change requests after technical verification
Collaboration in data center relocation (implementation / consolidation SUN E10K and SF15K server), storagemigration (displacement of EMC Symmetrix with IBM ESS Shark) as well as deployment and enhancement of SAN infrastructure (Brocade)
Technical lead for deployment of redundant service processor environment for SUN SF x800
IT Landscape: 2 Datacenter (metro distribution), appr. 1000 Solaris servers
Technique: SUN Sparc Server, Solaris 2.6-8, SAN EMC, SAN IBM, Veritas Cluster, Veritas Foundation, SDS, ITIL
Languages: german, english