"T01-D3179" mit Kenntnissen in server, design, management, sun

Dienstleistungen: Solaris, Veritas, FreeBSDLinux und sonstiges UNIX arbeit - projekt- oder betrieb-bezogen. Aus- und Weiterbildung: Uni Kopenhagen - 4 jahren Informatik Berufserfahrung: 2002 August – 2005 December UNIX Systems Administrator for TUI Infotec, Hannover, Germany. System administration and project related UNIX work in several 24/7 Sun/Solaris environments: • very large online webselling setup; internet travel selling environment accountable for more than 30% of the UK travel market. • e-procurement system; internal webbased procument system for TUI and its European daughter companies. • yield management system; advanced forecasting system tailored to adjust price and packaging depending on live sales figures. • global backend database: very large database serving multiple internal organisations containing product, package and pricing information. • internal management infrastructure: several management and admin servers to maintain, jumpstart and monitor new Sun/Solaris systems; and to maintain and monitor company SAN solution (HDS and EMC). Tasks and Responsibilities: • Daily maintenance of 100+ Solaris (ver 8, 9 and 10) servers. Troubleshooting, tuning, monitoring and installing. Mission critical servers implemented around multi-board SUN 15K-domains as well as through Veritas Cluster solutions. Often used SUN hardware platforms: SF15000, V1280, V880, V890, V480, SF280R and V240. • Architectual server/infrastructure design and creation of implementation plans based on customer requests for new, enhanced and upgrade services. • Maintaining and updating server documnetation and best pratices in Wiki based tool. Primarily in English but also some German. • Investigating and identifying of operating system and application performance bottlenecks. Typically disk I/O, network and/or RAM issues. • Veritas Volume Manager + Filesystem: online adding and removing of SAN disks, reconfiguring of diskgroups and volumes. Mirroring of internal disks. Online resizing of VxFS filesystems. • SDS: SUNs Soltice DiskSuite to mirror internal disks (only). No SDS experience with SAN disks. • NFS: ver3 server and client configuration. • DNS: keeping DNS information current using Bind server software • Apache webserver: tailoring specialised preconfigured packages depending of environmental requirements. • Compiling and packaging a multitude of common Open Source Software according to internal standards and best pratices for easy distribution and centralised software rollout. (Sun .pkg format) • Installation of new systems using custom Jumpstart servers with post-installation to install location and application dependt packages. • Centralised patch management using SUNs TLP product. • Nagios monitoring tool for pre-emptive intervention to minimise production interruption. • Perl and shell programming to ease, automate and centralising various administration tasks, such as; creating and deleting users, stopping and starting of services and applications; rollout of new software releases. • Disaster Recovery: assuring and maintaining the company disaster recovery solution in a changing server environment. SAN data and shell-script semi-automated DR solution to ensure buisiness continuity in case of disaster. Regular Exposure: • Veritas Cluster ver. 3.x running mission critical Oracle 8.x and 9.x databases. • HDS and EMC SAN solution. All Solaris systems held all customer/application data in SAN. • Knowledge of ITSM and Veritas NetBackup to restore and backup individual files and complete systems. • Assisting dedicated DBA department in installing and maintaining Oracle and DB2 databases. • Perforce SCM and RCS versioning tools. • Tivoli monitoring software; working together with Tivoli department to develop custom OS sanity checks. • Sendmail and Postfix MTA. Installation and configuration. • Iplanet webserver and Weblogic application server. Setting new instances and configuration. 2002 April – 2002 May UNIX Security Engineer for Nortel Networks in Lisbon, Portugal. Working as a security expert for a Nortel customer in Lisbon, Portugal securing SUN Solaris 2.6, 2.7 and 8 servers in a UMTS / UNIX production environment. Project was a security / auditing contract where we audited, made recommendations and secured Solaris platforms using the SUN Jass security tool. For testing and documentation further security tools such as Nessus, Nmap and Snort were used. 2001 Sep – 2002 Jan UNIX Consultant at SUN Microsystems PS, Denmark UNIX Systems Administration for SUN PS’s corporate customers. Work included: - Solaris 2.6, Solaris 7 and Solaris 8 system administration - administration of storage installation via Veritas Volume Manager - Sendmail consultant for facility managment customer - rollout of monitoring software in a large production environment - security hardening through SUN JASS software - admin of E10000, E6500, E4500, E3000 and Netra T1’s 2001 April – 2001July UNIX Systems Administrator at Ericsson LMD, Denmark - third line UNIX support in a NIS/NFS Solaris environment for 100+ developers - daily maintenance of Solairs 2.6, 7 and 8 servers running on SUN E420, E4000, E4500, E10000 - MySQL database installation, administration, upgrade and monitoring - Oracle DBA support. Primarly keeping an eye on tablespaces, backups etc. - misc. UNIX applikation support of developers thorugh ticket support Remedy 2000 October – 2001 April UNIX Systems Administrator at Ericsson PAC, Sweden. - daily maintenance of Solaris 2.6 and 8 servers running on SUN E450 platforms. - daily maintenance of Linux workstations inside the Internet Support Group. - programming of maintenance scripts, administration webinterfaces and webserver statistics pages. - Apache webserver installation, configuration and tuning. Compile time optimization using GCC, installation, configuration and run time performance optimization. - PHP3 and PHP4 installation, configuration and development. - MySQL database installation, configuration, performance optimization and maintenance. - Perl and Shell programming. CGI scripts and real-time handling of webcontent for nur für Premium-Mitglieder, and other backend content manipulation. 2000 April - 2000 October UNIX Systems Administrator at Streets Online. Crawley, United Kingdom. - daily maintenance of Solaris 2.6 servers running on E6500, E4500 and other SUN Sparc platforms. - daily maintenance of Linux servers used for internal infrastructure roles. - Configuration of automated monitoring system - Responsible for all support calls to SUN Support - Operational tasks included; Apache, FW-1, Sendmail, NIS, NFS, Samba, DNS - Responsible for keeping internal software packages updated, using the SUN packaging system. - Maintaning the internal documentation respository - Responsible for the daily computation of statistics 1999 – 2000 Project Manager at Tele Danmark Internet (International Department), Denmark. - design, planning and implementing Internet services for the daughter companies throughout Europe. - installation and maintenance of Solaris 2.6/7 servers. - Database Administrator for three embedded Oracle8 servers. - documenting new installations and services before the hand-over to the Operations Department. - SQL, Perl and shell programming for automating various tasks. - a little Netscape/Sun LDAP. - configuration and maintenance of SiteScope for monitoring our services offered to our customers. nur für Premium-Mitglieder System Administrator at Talkline GmbH, Internet Division in Hamburg, Germany. - daily maintenance of multiple UNIX Solaris 2.6 servers. - maintenance of office LAN. - areas of core responsibility: DNS server cluster, RIPE NCC communication and acquisition of IP- numbers, Firewall-1 configuration/operation, tracking and responding to intrusion attempts. - technical responsible for Talkline's CeBit exhibitions in 1998 and 1999. - Perl and shell programming for automating various tasks. nur für Premium-Mitglieder Systems Administrator and Supporter at DKnet A/S, Copenhagen - daily maintenance of two Sun Solaris machines used by dial-up customers for different services. - phone support of dial-up and business customers. - maintenance of internal LAN NT-server. - small programming projects for computation of statistics used by Sales Department. Implemented in Perl and Shell. - general maintenance of LAN by DKnet A/S, composed of Linux and Windows workstations. - responsible for making the customer documentation for the Dial-Up access products at DKnet A/S. - acquired general knowledge of important server software as Sendmail, Apache and Bind. nur für Premium-Mitglieder Freelance IT-consultant while studying at Copenhagen University - programming jobs for small companies. Primarily in Perl, Pascal and HTML. - advisory assignments for companies wanting to automate small processes within a company. - advising companies on what it takes to make and maintain a company webpage. - daily maintenance of Windows and NT machines on a TCP/IP LAN for a small company. Fremdsprachen: Deutsch, Englisch, Swedisch und Dänisch Dienstleistungen: Solaris, Veritas, FreeBSDLinux und sonstiges UNIX arbeit - projekt- oder betrieb-bezogen. Tools, Methoden, Kenntnisse: Solaris Linux Shell scripting Perl programierung Veritas VxVM Veritas VxFS Sun server in alle grössen, von SF380 bis SF15000 Apache webserver - 1.3.x und 2.x Bind - DNS server und viel mehr... Referenzen: Referenzprojekte: Titel: UNIX System Administrator Beschreibung: System administration and project related UNIX work in UNIX data mining production and major enterprise webselling environment. Daily operations and as well as design and planning. Zeitraum: 08/2002 - (läuft noch) Kunde: TUI Branche: Touristik Tools: SUN Fire 15000 systems, SF V1280, SF V880, SF V480, SF280R, Veritas Volume Manager, Veritas Cluster, Veritas Filesystem, Oracle 9i, DNS, Solaris, Nagios, Tivoli, Jumpstart, Security, Applix, Linux, EMC SAN, HDS SAN and many more... System administration and project related UNIX work in several 24/7 Sun/Solaris environments: • very large online webselling setup; internet travel selling environment accountable for more than 30% of the UK travel market. • e-procurement system; internal webbased procument system for TUI and its European daughter companies. • yield management system; advanced forecasting system tailored to adjust price and packaging depending on live sales figures. • global backend database: very large database serving multiple internal organisations containing product, package and pricing information. • internal management infrastructure: several management and admin servers to maintain, jumpstart and monitor new Sun/Solaris systems; and to maintain and monitor company SAN solution (HDS and EMC). Tasks and Responsibilities: • Daily maintenance of 100+ Solaris (ver 8, 9 and 10) servers. Troubleshooting, tuning, monitoring and installing. Mission critical servers implemented around multi-board SUN 15K-domains as well as through Veritas Cluster solutions. Often used SUN hardware platforms: SF15000, V1280, V880, V890, V480, SF280R and V240. • Architectual server/infrastructure design and creation of implementation plans based on customer requests for new, enhanced and upgrade services. • Maintaining and updating server documnetation and best pratices in Wiki based tool. Primarily in English but also some German. • Investigating and identifying of operating system and application performance bottlenecks. Typically disk I/O, network and/or RAM issues. • Veritas Volume Manager + Filesystem: online adding and removing of SAN disks, reconfiguring of diskgroups and volumes. Mirroring of internal disks. Online resizing of VxFS filesystems. • SDS: SUNs Soltice DiskSuite to mirror internal disks (only). No SDS experience with SAN disks. • NFS: ver3 server and client configuration. • DNS: keeping DNS information current using Bind server software • Apache webserver: tailoring specialised preconfigured packages depending of environmental requirements. • Compiling and packaging a multitude of common Open Source Software according to internal standards and best pratices for easy distribution and centralised software rollout. (Sun .pkg format) • Installation of new systems using custom Jumpstart servers with post-installation to install location and application dependt packages. • Centralised patch management using SUNs TLP product. • Nagios monitoring tool for pre-emptive intervention to minimise production interruption. • Perl and shell programming to ease, automate and centralising various administration tasks, such as; creating and deleting users, stopping and starting of services and applications; rollout of new software releases. • Disaster Recovery: assuring and maintaining the company disaster recovery solution in a changing server environment. SAN data and shell-script semi-automated DR solution to ensure buisiness continuity in case of disaster. Regular Exposure: • Veritas Cluster ver. 3.x running mission critical Oracle 8.x and 9.x databases. • HDS and EMC SAN solution. All Solaris systems held all customer/application data in SAN. • Knowledge of ITSM and Veritas NetBackup to restore and backup individual files and complete systems. • Assisting dedicated DBA department in installing and maintaining Oracle and DB2 databases. • Perforce SCM and RCS versioning tools. • Tivoli monitoring software; working together with Tivoli department to develop custom OS sanity checks. • Sendmail and Postfix MTA. Installation and configuration. • Iplanet webserver and Weblogic application server. Setting new instances and configuration. --------------- Titel: UNIX Security Engineer Beschreibung: Working as a security expert for a Nortel customer in Lisbon, Portugal securing SUN Solaris 2.6, 2.7 and 8 servers in a UMTS / UNIX production environment. Project was a security/auditing contract where we audited, made recommendations and secured Solaris platforms using the SUN Jass security tool. For testing and documentation further security tools such as Nessus, Nmap and Snort were used. Zeitraum: 04/2002 - 05/2002 Kunde: Nortel Networks Branche: Telco, ISP Tools: Solaris 2.6, 7 and 8 JASS hardening toolkit Shell scripting Nmap port scanning and reporting --------------- Titel: UNIX Consultant at SUN Microsystems PS, Denmark Beschreibung: UNIX Systems Administration for SUN PS’s enterprisse customers. Zeitraum: 09/2001 - 02/2002 Kunde: SUN Microsystems (Professional Services) Branche: IT Tools: - Solaris 2.6, Solaris 7 and Solaris 8 system administration - administration of SAN storage installation via Veritas Volume Manager - Sendmail consultant for facility management customer - rollout of monitoring software in a large production environment - security hardening through SUN JASS software - admin of E10000, E6500, E4500, E3000 and Netra T1’s --------------- Titel: UNIX Systems Administrator at Ericsson LMD, Denmark Beschreibung: UNIX system administration in a large SUN server environment. Supporting the Ericsson software development department. Zeitraum: 04/2001 - 07/2001 Kunde: Ericsson Branche: IT Telco Tools: - third line UNIX support in a NIS/NFS Solaris environment for 100+ developers - daily maintenance of Solairs 2.6, 7 and 8 servers running on SUN E420, E4000, E4500, E10000 - MySQL database installation, administration, upgrade and monitoring - Oracle DBA support. Primarly keeping an eye on tablespaces, backups etc. - misc. UNIX applikation support of developers thorugh ticket support Remedy --------------- Titel: UNIX Systems Administrator at Ericsson PAC, Sweden Beschreibung: UNIX system administration of Ericsson's webserver environment. Primarily the SUN solaris server farm running all ericsson.com websites. Zeitraum: 10/2000 - 04/2001 Kunde: Ericsson Branche: IT, Telco Tools: - daily maintenance of Solaris 2.6 and 8 servers running on SUN E450 platforms. - daily maintenance of Linux workstations inside the Internet Support Group. - programming of maintenance scripts, administration webinterfaces and webserver statistics pages. - Apache webserver installation, configuration and tuning. Compile time optimization using GCC, installation, configuration and run time performance optimization. - PHP3 and PHP4 installation, configuration and development. - MySQL database installation, configuration, performance optimization and maintenance. - Perl and Shell programming. CGI scripts and real-time handling of webcontent for nur für Premium-Mitglieder, and other backend content manipulation. --------------- Titel: UNIX Systems Administrator at Streets Online. Crawley, United Kingdom Beschreibung: UNIX system administration at the large UK online retailer. Making sure that operations were kept running 24/7. Server were mostly SUN servers with some Linux machines mixed in. Zeitraum: 04/2000 - 10/2000 Kunde: Streetsonline, UK Branche: online retailer Tools: - daily maintenance of Solaris 2.6 servers running on E6500, E4500 and other SUN Sparc platforms. - daily maintenance of Linux servers used for internal infrastructure roles. - Configuration of automated monitoring system - Responsible for all support calls to SUN Support - Operational tasks included; Apache, FW-1, Sendmail, NIS, NFS, Samba, DNS - Responsible for keeping internal software packages updated, using the SUN packaging system. - Maintaning the internal documentation respository - Responsible for the daily computation of statistics --------------- Titel: Project Manager at Tele Danmark Internet (International Department), Denmark Beschreibung: Design, planning and implementing Internet UNIX services for the daughter companies throughout Europe. Zeitraum: nur für Premium-Mitglieder Kunde: Tele Danmark International Branche: Telco, ISP Tools: - design, planning and implementing Internet services for the daughter companies throughout Europe. - installation and maintenance of Solaris 2.6/7 servers. - Database Administrator for three embedded Oracle8 servers. - documenting new installations and services before the hand-over to the Operations Department. - SQL, Perl and shell programming for automating various tasks. - a little Netscape/Sun LDAP. - configuration and maintenance of SiteScope for monitoring our services offered to our customers. --------------- Titel: System Administrator at Talkline GmbH, Internet Division in Hamburg, Germany Beschreibung: Systems administration of UNIX and Windows servers. Responsible for firewall and network IDS. Zeitraum: nur für Premium-Mitglieder Kunde: Talkline Internet Branche: Telco, ISP Tools: - daily maintenance of multiple UNIX Solaris 2.6 servers. - maintenance of LAN. - areas of core responsibility: DNS server cluster, RIPE NCC communication and acquisition of IP- numbers, Firewall-1 configuration/operation, tracking and responding to intrusion attempts. - technical responsible for Talkline's CeBit exhibitions in 1998 and 1999. - Perl and shell programming for automating various tasks. ---------------