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Peter Tselios

Selbstständig, Red Hat Certified Trainer & Linux Consultant
Athens, Griechenland

Fähigkeiten und Kenntnisse

IT Management
Team Management
Team Coaching
Linux Engineering
Linux Administration
Apache Tomcat
Apache Web Server
DNS
DHCP
Server Hardware
Budgeting
Vendor Management
Red Hat Satellite
Server Hardening
IT Consulting Services

Werdegang

Berufserfahrung von Peter Tselios

  • Bis heute 11 Jahre und 3 Monate, seit März 2014

    Red Hat Certified Trainer & Linux Consultant

    -

    Delivering Red Hat Courses at EMEA and providing Linux Consaltancy in Europe.

  • 1 Jahr und 7 Monate, Sep. 2012 - März 2014

    Senior Systems Engineer

    Wind Hellas Telecommunications

    3rd Level support (troubleshooting, incident management) Deliver to Operations Team task automation tools Design & deploy new solutions Project related site deployment and integration Integrate solutions together with other application teams Designing planned maintenance Performance tuning Improvement and extension of operational stability Creation and improvements of operational guidelines, implementation guidelines and documentation Design and implement Regulatory compliance policies

  • 4 Jahre und 1 Monat, Sep. 2008 - Sep. 2012

    ISP Supervisor

    Wind Hellas Telecommunications

    Re-organize Tellas ISP Team Apply policies and procedures in team activities. Manage day to day activities of the team. Supervise SLA One and three years budget plans New ISP Provisioning system (advertised as easy modem installation) Upgrade of ISP Environment Integration of new Load Balancers (F5 BigIP) Doubled usage of Tellas services from our customers

  • 2 Jahre und 2 Monate, Sep. 2006 - Okt. 2008

    Senior Provisioning Analyst and Developer

    Tellas Telecommunications

    Designed the company's procedure and the relevant work flows for the Full LLU (Zisto, Tellas Double Play products). Design and analysis monitoring and reporting tool for client's LLU and line malfunction applications. Design and implement NRDBP client application. Various reporting tools.

  • 1 Jahr und 8 Monate, März 2005 - Okt. 2006

    Application Operation Team Leader

    Tellas Telecommunications

    Team Leader of Provisioning, Commissioning and Fraud Management systems team. Area of responsibilities: Applications run-time administration, Applications Operation, Performance optimisation, Change management. Support and coach team members personal development.

  • 3 Jahre und 5 Monate, Dez. 2001 - Apr. 2005

    Head of IT

    easynetMedia Ltd

    Directly reporting to CEO, developed effective working relationships with key stakeholders and external collaborators. Established all IT policies based on industry standards. Areas of responsibility were: Information systems, Service management, Web Applications, New Technology projects, Business Intelligence, IT security. Key achievements: Establishment of Agile and Waterfall development environments, State of the art custom CMS, Sales support, CRM Integration, ERP RFO.

  • 3 Jahre und 7 Monate, Nov. 1998 - Mai 2002

    Researcher

    University of the Aegean

  • 1 Jahr und 6 Monate, Juni 2000 - Nov. 2001

    Unix Internet Development Team Supervisor

    e2b S.A

    Lead Unix based Web development teams for B2C and B2B Web Applications Coach new team members Promote best practices in the team Organised team in the most efficient manner Assign tasks to team members Provide an ongoing maintenance for our applications Coordinate projects with Pre-Sales, Sales and Artwork teams Setup, maintain and keep up-to-date the development, UAT and Production environments Responsible for project and resource planning

Ausbildung von Peter Tselios

  • 2 Jahre und 10 Monate, Sep. 2010 - Juni 2013

    Management

    National and Kapodistrian University of Athens

    Management and Economics of Telecommunications Networks

  • 4 Jahre und 10 Monate, Sep. 1991 - Juni 1996

    Mathematics

    University of the Aegean

Sprachen

  • Englisch

    Fließend

  • Griechisch

    Muttersprache

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