Fachlicher Schwerpunkt dieses Freiberuflers

IT Consultant Dev Ops

Available from
Apr 1, 2020
Availability
100 %
on customer site
60 %
Areas

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Cities
Düsseldorf
500 km
Contact Settings

I prefer getting offers for these sites. However, you may also contact me for interesting projects in other places.

Projects

12/2018 - 05/2019

6 months

Dig Data Platform team

Roles
Operations/Big Data Specialist
Customer
Vodafone Group Services
Tasks

Operations/Big Data Specialist for Dig Data Platform team, subcontracting via 1st Solution Consulting GmbH.

Role description:

Support in upgrade of existing tools to newer version and cross platform migration. Troubleshoot issues blocking automated acceptance testing process and develop new automation scripts for issues detection.

Specific tasks:

Support and execute upgrade of Tableau Server to newer version, plan and manage hardware upgrade for Cloudera/Hadoop Clusters, plan and implement Tableau Server migration from Windows to Linux OS, with high availability, evaluate and identify issues with quality assurance automation testing for the production servers for Big Data Platform, evaluate and develop new scripts for Ansible based testing framework, support in troubleshooting of any issue reported by Operations team.

Products

Cloudera/Hadoop

Tableau Server

GITHub

Ansible

Python

Shell Scripts

Remedy

Jira

Confluence

05/2018 - 12/2018

8 months

CI-CD Agile QA Cluster, subcontracting

Roles
Operations/Onboarding Specialist
Customer
Commerzbank AG
Tasks

Operations/Onboarding Specialist for CI-CD Agile QA Cluster, subcontracting via ITinera projects & experts GmbH.

Role description:

Integration and maintenance of new components with a
continuous delivery platform for automated deployment.


Specific tasks:

On-boarding of new components that require automated deployment, configuration and maintenance of a continuous delivery platform, development of packages and changes to continuous integration system for deliveries creation, required for integration with continuous delivery system, offer technical solution for CI/CD integration of new components.

Skills

Java

IntelliJ IDEA

Maven

Team City

Jenkins

Nexus

BitBucket/GIT

AWS

Docker

XL Deploy

XML

Jira

Confluence

08/2016 - 04/2018

1 year 9 months

mCommerce QA Team

Roles
Technical Lead
Customer
Vodafone Group Services
Tasks

Technical Lead for mCommerce QA Team in, subcontracting via 7Princples AG.


Role description:

Design, development, integration and maintenance of a continuous integration system for automation testing and reporting.


Specific tasks:

Design of the continuous integration system to support test automation, develop a prototype to prove concept, deployment of CI solution in production, maintain automation testing scripts, deploy and manage an artifact repository system for CI.

Skills

Java

Python

Eclipse

Jenkins

Nexus

AWS

Azure

Docker

SeeTest Automation

MS Visio

GIT

Jira

Confluence

12/2015 - 07/2016

8 months

mCommerce Team

Roles
QA Manager
Customer
Vodafone Group Services
Tasks

QA Manager for mCommerce Team, in Düsseldorf subcontracting via 7Princples AG.


Role description:

Manage SIM cards life cycle within mCommerce Team.

Specific tasks:

Order SIM Cards from VF OpCo's, develop and maintain SIM Cards DB for project, handle cost efficiency for SIMs used, provision SIMs in underlying systems, review test scenarios and report success rate for testing activities within agile teams.

Skills

Python

CSV

JSON

Eclipse

AWS

HP QC

Jira

Confluence

01/2015 - 11/2015

11 months

subcontracting

Roles
Integration Manager for P&CS D&O
Customer
Vodafone Group Services
Tasks

Integration Manager for P&CS D&O in Düsseldorf, subcontracting via 7Princples AG.


Role description:

Coordination of payment solution integration. Develop and
deployment of monitoring and reporting.


Specific tasks:

Integration of the payment solution software with network operator manager (MNO), extension of existing monitoring solution, set up of a new reporting stream, development of reporting dashboards for management team.

Skills

Python

Java

IntelliJ

Nagios

Trends

MySQL

GIT

Shell Scripting

Jira

Apache

04/2014 - 12/2014

9 months

subcontracting

Roles
Technical Lead for P&CS D&O
Customer
Vodafone Group Services
Tasks

Technical Lead for P&CS D&O in Düsseldorf, subcontracting via 7Princples AG.


Role description:

Coordinate security related topics, manage environment setup and rollout integration for vendors.


Specific tasks:

Setup of new infrastructure servers, lead deployment activities
of new software, assure VF security standards and compliance, troubleshooting of issues reported in production.

Skills

Java

Tomcat

IntelliJ

Puppet

Python

Remedy

Apache

Squid

07/2013 - 03/2014

9 months

Drive the integration of two projects

Roles
Integration Lead for Content/mCommerce D&O
Customer
Vodafone Group Services
Tasks

Integration Lead for Content/mCommerce D&O in Düsseldorf, subcontracting via 7Princples AG.

Role description:

Drive the integration of two projects in Content and mCommerce areas.


Specific tasks:

Integration of systems on different partners and Vodafone entities, deployment of software on new hardware, automation of deployment, update and extend monitoring solution, troubleshoot integration and APIs defined, and introduce reporting based on delivered documents.

Skills

Java

Tomcat

Python

API

Puppet

CVS

Nagios

Jenkins

MS Visio

VPN descriptors

Remedy

07/2012 - 06/2013

1 year

Deployment and operation for VF Discover product

Roles
Technical Lead for Content Delivery
Customer
Vodafone Group Services
Tasks

Technical Lead for Content Delivery in Düsseldorf, subcontracting via AMS.


Role description:

Deployment and operation for VF Discover product


Specific tasks:

Automate deployment of software, automation of service recovery, troubleshooting for production issues, extend monitoring solution and introduction of continuous integration on existing VF infrastructure.

Skills

C++

Python

Eclipse

Puppet

CVS

KPIs Def

Shell/Perl scripting

Nagios

Jenkins

Remedy

Apache

01/2011 - 06/2012

1 year 6 months

Implement technical solution for and operating Search/ISRE

Roles
Technical Lead for Search Team
Customer
Vodafone Group Services
Tasks

Technical Lead for Search Team in Düsseldorf, subcontracting via AMS.


Role description:

Implement technical solution for and operating Search/ISRE


Specific tasks:

Develop solution for automation of software deployment, extend monitoring solution, introduce automated reporting of customer issues, troubleshooting and classifying error cases.

Skills

Java

MS Visio

Jboss

Python

Eclipse

Google API Docs and Dataflow

GIT

Apache

Squid

Pingdom

Zabbix

Jenkins

01/2010 - 12/2010

1 year

Lead integration and deployment of Search projects

Roles
Deployment Manager for Search D&O Team
Customer
Vodafone Group Services
Tasks

Deployment Manager for Search D&O Team in Düsseldorf, subcontracting via AMS.


Role description:

Lead integration and deployment of Search projects


Specific tasks:

Integrate new developed solution with leading market solutions
from partners, cost estimation in project, life cycle management of product.

Skills

Java

Jboss

Python

Perl

GIT

Shell Scripting

CSV

Remedy

Nagios

Zabbix

11/2007 - 12/2009

2 years 2 months

integration and deployment for Mobile Services

Roles
Service Deployment Manager, IT Consultant/Lead Consultant
Customer
Vodafone Group Services
Tasks

Service Deployment Manager in Düsseldorf, angestellte für CGI, als IT Consultant/Lead Consultant


Role description:

Lead projects during integration and deployment for Mobile Services, like Portal, Charging and Search.


Specific tasks:

Integrate new developed solutions, assure the quality level of product, cost estimation in project, team leading for up to 5 members.

Skills

Java

Jboss

XML

Oracle DB

MS Visio

CSV

Remedy

10/2005 - 07/2009

3 years 10 months

Realization of a Multi-Agents System

Roles
PhD position
Customer
Institute for Computer Science and Business Information Systems, University of Duisburg-Essen
Place of work
Duisburg-Essen
Tasks

Role description:

Research topic: Realization of a Multi-Agents System for Medical Diagnosis based on Swarm Intelligence and Holonic Paradigm.


Specific tasks:

Research of Enterprise Application Frameworks for support of
architectures and development of Multi-Agents Systems, Design and Development of Multi-Agent System.

Skills

C/C++

Java

CSV

XML

MySQL

01/2007 - 10/2007

10 months

Design and implementation

Roles
Developer Automation Testing for NBS team
Customer
Nokia Siemens Networks
Tasks

Developer Automation Testing for NBS team in Düsseldorf.


Role description:

Design and implementation of an automation testing framework to simulate OSS functionality for base station software testing.


Specific tasks:

Design and implementation of the testing environment, troubleshooting of production issues, testing of new BSS features.

Skills

C++

XML

SQL

Rational Rose

CVS

CorbaScript

03/2005 - 12/2006

1 year 10 months

Development of software

Roles
Developer
Customer
Nokia Networks
Tasks

Developer for Nokia Base Stations team in Düsseldorf.


Role description:

Development of software for automation testing of base stations modules.


Specific tasks:

Development/implementation of the test scripts, troubleshooting of software issues deployed on test modules, testing of BSS features.

Skills

C++

XML

CorbaScript

JackORB

Rational Rose

CVS

TCP/IP

01/2004 - 01/2005

1 year 1 month

Flexible Framework for 6BONE

Roles
Research assistant
Customer
University Duisburg-Essen
Place of work
Duisburg-Essen
Tasks

Role description:

Research topic: Towards a Flexible Framework for 6BONE on Fundamentals of Synchronous Groupware PASSENGER.


Specific tasks:

Research activities in application frameworks and Computer Supported Cooperative Work areas, Object Oriented programming and Component-Based development activities, Re-engineering Methods for Enterprise Applications.

Skills

Delphi

C++

MySQL

07/2003 - 12/2003

6 months

Development of a software called PASSENGER

Roles
Student assistant
Customer
University of Duisburg, Institute for Multimedia and Software Engineering department
Place of work
Duisburg
Tasks

Cooperation with University Duisburg for finding Ph.D. topic


Role description:

Development of a software called PASSENGER.

Diploma thesis title:

"Re-engineering of a synchronous groupware towards a flexibe framework".


Specific tasks:

Implementation of software application, diploma thesis writing,
participate to exams and lectures in university.

Skills

Delphi

C++

IPv4

IPv6

Client/Server architectures

Project History

Further projects on request.

Skills

Language Skills
English
fluent
German
fluent
Romanian
fluent (native)

Products / Standards / Experiences

Personal Qualities:

  • Self motivated and team oriented
  • Critical and analytical thinking
  • Dependable and communicative
  • Flexible and willing to learn

SKILL:
Technical skills:

  • C/C++, C# 6 YEARS, expert
  • Java 7 YEARS, expert
  • Python 5 YEARS, expert
  • Shell, Perl, Corba Script 7 YEARS, advanced
  • Delphi 3 YEARS, advanced
  • CVS, SVN, GIT 6 YEARS, expert
  • SQL, MySQL, Oracle 9/11 3 YEARS, advanced
  • JBoss, Tomcat 5 YEARS, expert
  • Apache, Squid 6 YEARS, expert
  • Jenkins, Nexus 4 YEARS, expert
  • Puppet, Chef 3 YEARS, advanced
  • ASP, HTML, XML, CSV, JSON 7 YEARS, expert
  • Unix, Linux, Windows 9 YEARS, expert
  • DCOM, J2EE, CORBA, ORB 4 YEARS, advanced
  • AWS, MS Azure 2 YEARS, advanced
  • LAN, Ethernet, TCP/IP 3 YEARS, expert

Application knowledge:

  • Rational Rose 3 YEARS,  advanced
  • MS Office 8 YEARS, expert
  • MS Visio 5 YEARS, expert
  • Remedy 4 2 Confluence, JIRA 6 YEARS, expert
  • SeeTest Automation 3 YEARS, advanced

IT disciplines:

  • OO Development, UML 9 YEARS, expert
  • System Design and Implementation 8 YEARS, expert
  • Continuous Integration/Delivery 6 YEARS, expert
  • Technical / Program Specification 8 YEARS, expert
  • Development and Operations /DevOps 6 YEARS, expert
  • User Requirement Analysis 5 YEARS, expert
  • Team Leadership 5 YEARS, expert
  • Project Management 4 YEARS, expert
  • Business Analyst 5 YEARS, expert
  • Use Case Modelling 6 YEARS, expert
  • Test Automation, Regression Testing 6 YEARS, expert

Training History

School and University Studies:
10/1986 - 06/1994:

Institution: Primary School at -Severin, Romania


10/1994 - 06/1998:

Institution: High School -Turnu-Severin, Romania

07/1998 - 07/1998:

Graduation title: Baccalaureate

10/1998 - 06/2003:

Institution: University at "Computer Engineering, Information and Communication Technologies", polytechnic University Craiova, Romania

Graduation title:

Diploma Engineer Diploma thesis title: "Re-engineering of a synchronous groupware towards a flexible framework", the thesis was realized at University of Duisburg-Essen within an student exchange program in an European Union projec ("MINERVA")