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Pawel N.

Subject Matter Expert Linux

Berlin, Germany

Experience

Apr 2025 - Aug 2025
5 months
Frankfurt, Germany

Subject Matter Expert Linux

TCS Alliance Healthcare

  • Updating/upgrading Linux servers to newer versions
  • Installing Trend Micro on Linux servers
  • Creating, presenting, and maintaining technical documents
  • Refactoring tools
  • Platforms: SUSE Linux Enterprise Server (SLES) 10, 11; CentOS; Red Hat; Windows 10; PowerShell; Bash; Perl; Trend Micro AV; PuTTY; SSH; VMware
  • Project language: English
Sep 2024 - Feb 2025
6 months
Erlangen, Germany

Senior ClearCase Expert

Siemens

  • Proof of Concept for a migration from Solaris 10 to Solaris 11
  • Incident Management for ClearCase and MultiSite
  • ClearCase and MultiSite Administration
  • Platforms: ClearCase MultiSite; Perl; Solaris 10; Solaris 11; Red Hat Linux; Windows 10; Fujitsu SPARC M10 and M12
Nov 2023 - Nov 2024
1 year 1 month
Basel, Switzerland

Solution Architect / Senior ClearCase Expert

Cognizant

  • Design and implementation of the new archiving tool NCV (Novartis Clinical Vault)
  • Design and implementation of the data separation of Sandoz from Novartis
  • Incident Management for ClearCase and MultiSite
  • ClearCase and MultiSite Administration
  • Refactoring tools
  • Platforms: ClearCase MultiSite; Perl; PowerShell; Bash; Ksh; Citrix XenApp; Windows 10; AIX; HP Quality Center (PROTON); REST API
  • Agile methodology: Scrum
  • Project language: English
Apr 2023 - Oct 2023
7 months
Düsseldorf, Germany

Script Developer

Athlon

  • Migrating an Oracle DB application to Docker/Artifactory/PaaS
  • Implementing PowerShell scripts to transfer Active Directory permissions
  • Platforms: Red Hat Linux; Citrix VDI; Windows 10; Bash; Perl; PowerShell; PuTTY; MS Office; SNOW (ServiceNow); Git; Jenkins; Docker; Artifactory; PaaS; Oracle DB
Jul 2021 - Dec 2021
6 months
Basel, Switzerland

Solution Architect / Senior ClearCase Expert / Senior Perl Developer Clinical Biostatistics

Novartis

  • Refactoring and further development of the DaVinci project
  • Designing and implementing the automatic generation of audit-proof PDF documents from all MS Office formats
  • Designing and implementing a method for automatically setting a ClearCase view context
  • Platforms: ClearCase MultiSite; ClearMake; Perl; PowerShell; Bash; Ksh; NYTProf; Citrix XenApp; Windows 10; Red Hat Linux; AIX; VirtualBox; HP Quality Center (PROTON); Sun Grid Engine (SGE); IBM Load Sharing Facility (LSF); XML; SAS; R; RStudio; Monolix; NONMEM; PsN; MATLAB; Jira
  • Agile methodology: Scrum
  • Project language: English
Jun 2021 - Jun 2023
2 years 1 month
Stuttgart, Germany

Subject Matter Expert Linux

Infosys

  • Linux System Administration Level 3 for Mercedes-Benz and Daimler Trucks worldwide
  • Design and implementation of automated processes to transfer Linux log data to MS Excel
  • Design and implementation of an automated process to monitor disk usage and document the usage status in MS Excel
  • Platforms: VMware vSphere ESXi; VMware vCenter; SLES (SUSE Linux Enterprise Server) 12, 15; Citrix VDI; Salt; Windows 10; bash; zsh; Perl; PowerShell; PuTTY; MS Office; CISM; SNOW (ServiceNow); CheckMK; CyberArk PasswordVault; Python; sar
  • Project language: English
Jan 2020 - May 2021
1 year 5 months
Hanover, Germany

Technical Administrator

Materna

  • Technical administration of court software for the E2 project
  • Integration of applications for e-files, text systems, and the electronic land register
  • Implementation of tools to generate PDFs from all MS Office formats
  • Standardization of passwords, setting default browsers, importing organization data, importing user accounts into databases
  • Pseudo scanners, clearing browser caches
  • Refactoring tools
  • Platforms: Windows Server 2016/2019; Windows 10; Windows Terminal Server; MS SQL Server; PowerShell; Perl; XML; Rational Team Concert (RTC); Jira; Kanban; ODBC
  • Agile methodology: Scrum
Oct 2019 - Jul 2020
10 months
Berlin, Germany

Solution Architect

Siemens

  • Wrote white paper 'Continuous Integration for ESBO'
  • Concept for migrating from ClearCase to Git
  • Developed a prototype to move the build system to Docker and Artifactory
  • Refactoring tools
  • Platforms: ClearCase MultiSite; Docker; Cygwin; Perl; Bash; Git; Artifactory; nmake; PsTools; CMake; VS Build Tools; PowerShell; REST API; Windows 10; Windows Server 2016; Citrix VDI
Jul 2019 - Aug 2019
2 months
Frankfurt, Germany

Senior UNIX Sysadmin & DevOps Engineering Consultant

DZ BANK

  • Assisted in implementing role segregation after ECB findings
  • Piloted a portable sudoers list
  • Formulated threat scenarios based on the MITRE ATT&CK framework
  • Platforms: MITRE ATT&CK; CyberArk PAM; sudo; auditd; Splunk; Linux; Solaris 10; Windows 7
Jul 2015 - Jun 2019
4 years
Basel, Switzerland

Solution Architect / Senior ClearCase Expert / Senior Perl Developer Clinical Biostatistics

Novartis

  • Refactored all Perl and shell programs for the Clinical Research Biostatistics platform GPS II
  • Participated in designing and implementing the successor platform DaVinci
  • Migrated all 3000+ biostatistics developers to a NAS platform
  • Developed a generic audit tool using ClearMake without makefiles for SAS, R, Monolix, NONMEM, PsN, MATLAB, Fortran
  • Introduced parallel and distributed build environments with ClearMake on AIX and SGE on Red Hat Linux
  • Developed ClearCase rolemap ACL tool, triggers, VOB structure tools, and migration tools for 1200 ClearCase databases from AIX to Linux
  • Implemented RCS keywords in ClearCase for UNIX
  • Developed wrappers for transparent migration from SGE to LSF
  • Platforms: Perl; ksh; bash; ClearCase MultiSite; ClearMake; NYTProf; Citrix XenApp; Windows 2008 R2; Windows 7; Red Hat Linux; AIX; VirtualBox; HP Quality Center; SGE; LSF; XML; SAS; R; Monolix; NONMEM; PsN; MATLAB
  • Agile methodology: Scrum
  • Project language: English
Feb 2015 - Jul 2015
6 months
Munich, Germany

Senior ClearCase Expert DevOps

Intel Mobile Communications

  • Software workflow and configuration management consulting
  • Refactoring of tools
  • Platforms: OptiCM5; ClearCase MultiSite; Windows 8.1; Windows Server 2008 R2; Windows 7; Windows 2003; Red Hat Linux; SUSE Linux; Solaris; VNC; Perl; Shell; Git; Gerrit; Jenkins
  • Project language: English
Sep 2014 - Dec 2014
4 months
Veldhoven, Netherlands

Senior ClearCase Expert DevOps

ASML

  • Part of the Non-Standard-Changes team
  • Introduced GoogleMock/GoogleTest into the build system
  • Developed a process to reduce oversized ClearCase directories
  • Migrated from Solaris to Linux
  • Platforms: Red Hat Enterprise Linux; Citrix VDI; WindRiver Linux; Sun Solaris; Windows 7; ClearCase UCM; MultiSite; ClearMake; ClearQuest; gmake; Jira; LSF; Code Collaborator; C++; Eclipse
  • Agile methodology: Scrum
  • Project language: English
Apr 2014 - Aug 2014
5 months
Amsterdam, Netherlands

Support Center EMEA

IBM RATIONAL

  • Expanded the German and English ClearCase MultiSite support center for EMEA
  • Platforms: Windows XP, 7, 8, 2008; Perl; Linux; SuSE; RedHat; Ubuntu; Solaris; AIX; HP-UX; VMware Workstation; VirtualBox; ClearCase UCM; MultiSite; ClearMake; ClearQuest; ClearCase Automation Library; Kepner-Tregoe; KT resolve
  • Project language: English
Oct 2012 - Dec 2013
1 year 3 months
Munich, Germany

ClearCase Optimization DevOps

Intel Mobile Communications

  • Third level support for the global ClearCase MultiSite SPOC
  • Performance and stability optimization, analysis and resolution of functional issues
  • Evaluated cache, NFS, and SMB2 settings
  • Corrected Perl modules, began migration from ClearCase to Git/Gerrit/Jenkins
  • Platforms: ClearCase MultiSite; Windows 8; Windows Server 2008 R2; Windows 7; Windows 2003; Red Hat Linux; SUSE Linux; Solaris; VNC; Perl; Shell; NetApp; WireShark; ProcMon; Git; Gerrit; Jenkins; Cadence; NFS; SMB2; LSF
  • Project language: English
Apr 2012 - Sep 2012
6 months
Erlangen, Germany

ClearCase Optimization DevOps

Siemens Healthcare Magnetic Resonance

  • DO VOB Split
  • View analysis and removal of redundant builds
  • Performance optimization
  • Upgraded build machines from Windows XP to Windows 7
  • Platforms: Windows 7, XP; SUSE Linux; ClearCase 7, 8; Perl; MedMake; NetApp
Oct 2011 - May 2012
8 months
Neumünster, Germany

Release Manager

PASE

  • Release Manager for the MIB Modular Infotainment Toolkit from VW, Audi, Skoda, SEAT for North America, China, Japan, Korea
  • Refactoring of the build CD creation
  • Planning of the test concept for releases
  • Platforms: Windows XP; Subversion; Perl; Jira; Poka Yoke
  • Project language: English
Jan 2011 - Sep 2011
9 months
Berlin, Germany

Software Build Management

Siemens Energy

  • Extension of a build framework
  • Profiling of the framework with NYTProf, reimplementation of critical parts (speedup by factor 3–8)
  • Replacement of the ClearCase Automation Library
  • Development of a massively accelerated ClearCase labeling procedure through parallelization
  • Research on distributed and parallel builds with ClearMake and PsExec
  • Development of static code analysis with PcLint and FxCop
  • Platforms: Windows XP, 2003, 2008; ClearCase 6, 7.1.2.1; Perl; ClearMake; PsExec; PcLint; FxCop; C#; NYTProf
  • Project language: English
Nov 2010 - Jan 2011
3 months
Hamburg, Germany

Configuration/Change/Release Management

Reederei Hamburg-Süd

  • Insourcing of the development environment from India to Hamburg
  • Development of a synchronization tool for software versions between Delhi and Hamburg
  • CEDIE-R: Centralization & Enhancement of the Development & Integration Environment
  • ClearCase administration
  • Platforms: ClearCase UCM; Windows XP; SUSE Linux; Perl
Oct 2009 - Nov 2010
1 year 2 months
Amsterdam, Netherlands

Support Center EMEA

IBM RATIONAL

  • Expansion of the ClearCase MultiSite support center for EMEA
  • Platforms: Windows XP, 7, 2008; Perl; Linux; Solaris; AIX; VMware Workstation; ClearCase UCM; MultiSite; ClearMake; Kepner-Tregoe; KT resolve
  • Project language: English
Oct 2008 - Aug 2009
11 months
Buxtehude, Germany

Configuration Management

Airbus

  • Introduction of ClearCase UCM at Airbus Buxtehude
  • Troubleshooting of group permissions and UCM component definitions
  • Migration preparation and migration to UCM
  • Creation of English training materials for e-learning with Camtasia Studio
  • Training of implementers and verifiers
  • Revision of the software configuration management plan
  • Development of an SCI generator and a CLOC generator for ClearCase
  • Development of a viewer for WinWord OLE properties and import into ClearCase attributes
  • Platforms: ClearCase/ClearQuest; Windows XP; HP-UX; Perl; Camtasia Studio; Win32::OLE
  • Project language: English
Jul 2008 - Jul 2008
1 month
Maulburg, Germany

Emergency ClearCase Performance Tuning

Endress & Hauser

  • Performance analysis and tuning using Wireshark and ProcessExplorer for ClearCase/ClearQuest over WAN with high latencies
  • Resolved access rights issues between the USA and Germany with tiered domain user management
  • Developed a tool for global group changes of all elements/metadata in any VOB
  • Upgraded ClearCase/MultiSite from 7.0.0 to 7.0.1
  • Delivered a RATIONAL MultiSite crash course for administrators
  • Platforms: ClearCase/MultiSite/ClearQuest 7; UCM; CCRC; Perl; Windows; Wireshark; ProcessExplorer; Eclipse
Jun 2008 - Sep 2008
4 months
Bad Salzdetfurth, Germany

Integration, Release, Configuration, Build Management

Delphi Automotive for AUDI

  • Integrator for the AUDI infotainment platform
  • Merged contributions from Germany, Poland, India, and Sweden
  • Evaluated tools for distributed builds
  • Implemented a solution for distributed building using Cygwin distcc
  • Platforms: Telelogic Synergy 6.5; Perl; QNX; Windows; gcc; distcc; Cygwin; make
  • Agile methodology: Scrum
  • Project language: English
Mar 2008 - Apr 2008
2 months
Frankfurt, Germany

Technical Interfaces

Xchanging Transaction Bank

  • Coordinated technical activities for connecting the withholding tax standard software TRIBUTUM
  • Liaised with Xchanging IT suppliers and clients (Sparda, Citibank, Sal. Oppenheim)
  • Handled the request for proposals for TRIBUTUM hosting providers
  • Evaluated IBM WebSphere MQ and alternatives
  • Platforms: Steria Mummert TRIBUTUM; Solaris; IBM pSeries; Host; XML
May 2007 - Feb 2008
10 months
Schwäbisch Hall, Germany

Configuration Management

VR Kreditwerk

  • Reduced and archived large UCM projects to meet audit requirements, improving performance and saving disk space
  • Relocated the Hamburg data center to Schwäbisch Hall and provided remote technical support
  • Integrated UCM structure and code scanners into ROCHADE ClearMake custom developments
  • Platforms: AIX; Sun Solaris; Windows XP; Mainframe; ClearCase/MultiSite V7; UCM; ClearQuest; Perl
Feb 2007 - Apr 2007
3 months
Apeldoorn, Netherlands

Configuration Management

Belastingdienst

  • Contributed to the PICCUB project to introduce ClearCase, ClearQuest, and UCM at Belastingdienst
  • Developed a unified software development process based on RUP
  • Migrated projects to current hardware and ClearCase versions
  • Developed a report generator in Visual Basic for ClearQuest data
  • Platforms: AIX; Win32; Linux; Mainframe; ClearCase LT; ClearQuest; Perl
  • Project language: English

Languages

German
Native
Polish
Native
English
Advanced
French
Elementary

Education

TU Berlin

Diploma in Computer Science · Computer Science · Berlin, Germany

Certifications & licenses

CISM

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