Athanasios Papageorgiou Email & Phone Number

Prague, Czechia

As a Technical Infrastructure Program Manager, I am part of EU Operations Technology Solutions (OTS) team, responsible for all network connections deployment (data, voice, cellular) in 6 countries (Germany, Austria, Czech Republic, Slovakia, Poland, Turkey) for Amazon Fulfilment division.• I manage the entire life cycle of new & existing data (DIA) and Voice (PRI, SIP) circuits, needed to support Operations for EU, delivering on time, on budget at the high standard and vision expected of the company.• I am responsible for designing, building, and scaling Amazon’s order fulfilment infrastructure. responsible for hundreds of voice, cellular, and Data telecom circuits that directly support the monthly shipment of millions of Amazon customer orders.• I am delivering various technologies: DIA (Fiber/Microwave), Amazon AWS Direct Connect (DX), LTE, 5G, 4G/5G bonded, Broadband, SIP.• I organize and attend vendor Quarterly Business Reviews (QBRs) to discuss challenges and improvements.• I develop and continuously review policy and procedural documents• Coordinate globally and cross-departmentally with tax, finance, legal, engineering etc.• Partner with ISPs: Deutsche Telekom, Vodafone, GTT, Lumen, Opious, Netia , TurkTelekom, Magnet, British Telecom, Deutsche Telekom Wholesale, Colt, A1 Telekom.• I'm working with Amazon local IT teams to successfully turn up new internet services.• Executing circuit bandwidth analysis and recommending bandwidth upgrades for underperforming or non compliant to BW standards circuits.• Other administrative duties, including supplier invoice auditing, asset tracking, and inventory management

Prague, Czechia

I led telecommunications infrastructure delivery projects across Germany. I was responsible for programs from planning and design stages to completion, partnering with vendors and internal teams across each full project lifecycle including sourcing, costing, risk mitigation, route planning, and circuit diversity.• I collaborated in cross-functional team leadership with the project team to approve the scope of works for end-to-end management and delivery of Full Diverse Fibre, Fixed Wireless, 4G&5G services.• Requested budget and contingency approval from the financial department for ISP RFQ.• Partnered with ISP Deutsche Telekom, Vodafone, GTT, Lumen, Opious, on orders, approvals for civil works, permits, Grundstückeigentümererklärung (GEE),Health & Safety, Risk Assessment and Method Statement (RAMS) documents.• I worked cross-function with internal teams such as Construction Managers, Finance, Legal, and local IT to ensure full visibility.• Generated and delivered consolidated status reports for IT leadership weekly• Effectively communicated project risks to all stakeholders across all levels and take appropriate action to mitigate risk.

Prague, Czech Republic

• Provide severity 1 & 2 diagnostic support for the Wide Area Network (WAN) connections for Fulfillment Centers (FC) and Logistics Sites • Engage Internet Service Providers regarding connection issues, manage service provider escalations & request root-cause of WAN connection interruptions through coordination with ISPs.• Deep-Dive on chronic WAN issues in collaboration with local IT team & ISP• Lead monthly business review meetings with ISP

District Brno-City, Czech Republic

• Tier 2 Support for AT&T Cloud based VoIP Collaborate Application Service• Trace analysis in AT&T network using IRIS /Traffic & Protocol Analyzer to decapsulate and decipher SIP messages - used Wireshark for PCAP analysis• Working remotely with field engineers & business customers for equipment testing / repair / replacement• Focal point for company's largest business customer - Weekly meetings with customer's PM

District Brno-City, Czech Republic

• Cooperation with managers of four AT&T departments (GTS, iSA, SUA , CUA) , area manager, director of operations to build a brand new team (IGS) from scratch• Ticket analysis, data collection and presentation to higher management• Determination of new team's scope of work and agreement on procedures• Preparation of training material• Performed training of first new hires and mentoring during their 1st week

District Brno-City, Czech Republic

• Working for one of largest Global Telecommunication Company (AT&T) as a Tier 2 Network Support Engineer providing support to AT&T customers in English language with specified procedures and strict deadlinesPrinciple Duties and Responsibilities:• Troubleshooting any issue related to Layer 1-3 of the OSI Layer Model , escalate, and/or resolve tickets within defined SLAs.• Receiving calls from the customers to inform them about the status of new or existing tickets related with the issue they deal with.• Working remotely with field engineers for equipment testing / repair / replacement• Real-time customer-facing analysis, troubleshooting and service updates regarding:Loop and routing issues - Circuit failures and errors - Network packet drops and delays - Hardware failures - Quality of Service (QoS) - Wireless connectivity issues (Access Points and Controllers) - A number of cases regarding VoIP solutions• Supporting different kind of solutions through MPLS cloud and medias such as: Ethernet circuits - Single T1/E1 circuits and bundles over ATM/IMA and PPP Multilinks - Τ3/Ε3 over ATM - LAN / WAN / WLAN / VPN environments• Supported systems and products: High-end Multi-platform Cisco Routers and Switches , Cisco Wireless Access Points and Controllers , Riverbed Steelhead WAN accelerators , Paradyne FrameSaver SLV , Visual Networks ASE (Analysis Service Element) , Edgemarc Business in a Box , F5 load balancers , Juniper, Alcatel, HP devices

• Performance monitoring of the I.T. related issues of the City’s Hall facility (software/ hardware/ networking)• Supervising the main Municipality network Installation and Maintenance Subcontractor. In my daily tasks I had to be aware of the function and performance of all the hubs, Wi Fi Hot spots and the related to the network infrastructures servers.• Responsible for observing the proper functionality of the City’s Hall Web Site

Serres , Greece

• German & Greek Joint Venture. Headquarters based in Hamburg, Germany.• Development of a professional and complicated Internet Web Site as a junior front-end web developer• Became familiar to web developing tools such as HTML5, CSS3, GIT, Bootstrap and issue tracking product/project management (Atlassian's Jira)

Serres , Greece

Serres / Thessaloniki , Greece

Education record

Summary

Bachelor Of Computer Science Bsc, Computer Science, 7.03 / 10.00

Voip Module, Managed Ip Telephony

10 weeks training including: * Introduction to VoIP, Call Manager and deployment models. Auto configuration. Basic phone configuration –.

Faculty Of Sciences - Physics Department