Nick Karakatsanis

Berufserfahrung von Nick Karakatsanis

• Bis heute 3 Jahre und 2 Monate, seit März 2021

  Product Owner | Digital Cloud & Infrastructure | Consumer Unit

  Vodafone GmbH

  Responsible for Consumer Unit Digital Engineering Cloud & onPrem Infrastructure, AWS, Frontend Integration Layer, Development Network, CI/CD

• Bis heute 5 Jahre und 1 Monat, seit Apr. 2019

  Founder

  Nikardicon GmbH

  Cloud and Digital transformation advisory. Consulting for Cloud migrations, shift from monolithic system to modern high scalable, innovative and future ready architectures.

• 1 Jahr und 6 Monate, Okt. 2019 - März 2021

  Senior Digital Enterprise Architect | Digital Engineering Consumer Unit

  Vodafone GmbH

  Pushing the Digital Engineering Platforms to the next Technology Level. * Design, migrate and shift from onPremise legacy Middelware Monolithic Services into Microservice driven Frontend API Stack on scaleable Kubernetes Architecture hosted on AWS Cloud for the Digital Consumer Platforms * Establish a new Development Network Environment on Virtual Machines for > 400 Developers within Vodfone Germany

• 5 Jahre, Apr. 2014 - März 2019

  Senior IT Consultant - Freelancer

  addmore GmbH

  Senior consulting in project order by "addmore GmbH" for an international Telecommunication Company. * Enterprise Architecture * Platform Operations * Cloud Integration & Migration

• 1 Jahr und 3 Monate, Okt. 2014 - Dez. 2015

  Senior IT Security Consultant

  Cryptas Deutschland GmbH

  Conceptioning and Implementation of Smartcard Technologies for large enterprise companies. Strong authentication solutions in corporates. Consultation and Integration of PKI Services. Architecture & Technical Projectlead for OCSP and Integration into large enteprise PKI ( > 100k Users > 600k Certificates) and Trainings for Customer Operations Team. OCSP / Microsoft Windows AD PKI Enviroment / Redhat Enterprise / F5 Network Loadbalancing / Safenet Luna Hardware Security Modules / Intercede MyID

• 4 Jahre und 1 Monat, Apr. 2010 - Apr. 2014

  Senior Specialist Technology Online Platforms & Operations

  Appseleration GmbH

  Appseleration was the Competence-Center for mobile applications - called "apps." Mission: We oversee our customers during the entire process chain - from a mobile strategy concept of an app up to the implementation and to the release and maintenance during the product life cycle in the app stores. Responsible for the whole operation mobile/online Platform. Architecture, Planing and building the mobile/online Platform for mobile apps and online services from scratch.

• 1 Jahr und 9 Monate, Sep. 2008 - Mai 2010

  Senior System Specialist Consumer Architecture & Solutions

  Vodafone Deutschland GmbH

  Department was responsible for all e-commerce portals and websites of Vodafone DE - B2B and B2C. Established the Vodafone Application Factory to run the business with Apple, Google, Nokia and Microsoft, with its fast growing appstores. Initial Setup & Operations of Social Media for Vodafone Germany, Corporate Blog, Corporate Blogger, Development of Vodafone apps initiative, internal full-Service mobile apps provider for all mobile platforms, Vodafone 360, telecom operator initiatives.

• 3 Jahre und 11 Monate, Okt. 2004 - Aug. 2008

  Senior System Specialist Department Prototypes & Pilots

  Vodafone Group Services GmbH

  System Integration Engineer for new Internet and mobile services - End-2-End accountability for multi-programme und multi-project management for all European Vodafone markets. Several mobile initiatives, payment implementations, trials, prototypes, pilots.

• 1 Jahr und 9 Monate, Jan. 2003 - Sep. 2004

  Senior System Engineer Department Vodafone live! Portal and Platforms

  Vodafone D2 GmbH

  End-to end responsible for Vodafone live! in Germany. Including product development and operations. • Network / System Administration, maintenance and monitoring productive Services for Vodafone live! • Maintain and configure Nagios and Cacti Monitoring Tools

• 1 Jahr und 11 Monate, März 2001 - Jan. 2003

  System Intergration Engineer

  Vizzavi Deutschland GmbH

  Joint Venture of Vivendi and Vodafone, headquartered in London, German business located in Düsseldorf with strong interaction with Vodafone D2. Vizzavi build the first Multi-Access-Portal in Europe accessible via Web and mobile. The portal was launched in 12 European countries and became later Vodafone live!

• 5 Monate, Nov. 2000 - März 2001

  System Intergration Engineer

  Versapoint

• 3 Monate, Sep. 2000 - Nov. 2000

  System Intergration Engineer

  Versatel Internet Group

  Full setup of the company to build a nationwide German Internet Service Provider. Launched Germany's first Internet-by-Call flatrate. The service was called "Sonne" in Germany and provided customers with internet access, a website construction kit, webspace and chat.

• 10 Monate, Mai 1999 - Feb. 2000

  System Integration Engineer

  Versatel Deutschland GmbH

  Setup and operations of a full-service Internet provider (ISP) for a fixed line operator. Large scale technical Internet infrastructure for Versatel Germany. ISP product portofolio development and roll-out.