Eduard Siffel

Bis 2025, Associate Director - Network Engineering, AT&T Global Network Services Slovakia sro.
Senec, Slowakei

Fähigkeiten und Kenntnisse

CCNP
Cisco Technologies
DHCP
Network Engineering
LAN
WAN
Computer Networks
Network Administration
Information technology
IP
Routing
IT Network
VPN
TCP/IP
People Management
OSPF
Network Infrastructure
Process Optimization
Leadership skills

Werdegang

Berufserfahrung von Eduard Siffel

  • 7 Jahre und 11 Monate, Nov. 2017 - Sep. 2025

    Associate Director - Network Engineering

    AT&T Global Network Services Slovakia sro.

    • Managing up to 40 individuals in different countries, different roles and seniorities including manager • Participation in pre-sales phase and assessing new potential customers from delivery perspective • Creating financial proposals for my team for projects/new customers to sales team • Actively participate in reorganizing director’s worldwide team • Transforming service delivery (SD) and service assurance (SA) teams into SD/SA follow the sun model • Prepare training global plans

  • 5 Jahre und 8 Monate, März 2012 - Okt. 2017

    Network/System Engineering Group Manager

    AT&T

    • Operational Oversight: Accountable for service quality for 90+ worldwide customers, ensuring all technical KPIs and SLA commitments were met or exceeded. • Technology Transition: Oversaw the technical onboarding of new customers onto modern platforms, including Cisco, Aruba, and Silver-peak SD-WAN, Cisco ACI,DNAC. • Tooling Migration: Lead the global team through transition from internal legacy tools to ServiceNow. • Crisis Management: Served as the high-level escalation point for Sev-1 incidents, coordi

  • 1 Jahr und 6 Monate, Sep. 2010 - Feb. 2012

    Teamleader of network/system engineering group

    AT&T

    • International Knowledge Transfer: Led a team of 14 engineers in India for 6 months to complete complex network transformations and ensure a seamless service transition. • Subject Matter Expertise: Served as the SME for Cisco switching, routing, wireless, as well as complex BGP, MPLS, and VRF environments. • Process Engineering: Defined short-term team goals, created internal SE processes, and managed the technical knowledge base.

  • 1 Jahr und 6 Monate, März 2009 - Aug. 2010

    Senior Network Engineer

    AT&T Global Network Services sro.

    • Massive Infrastructure Migration: Acted as the Service Delivery lead for a global customer transition involving over 10,000 Cisco devices. • High-Availability Management: Solely responsible for the most critical infrastructure sites, including main Data Centers and a major manufacturing facility. • Technical Execution: Managed complex Wireless (WLC) setups, upgraded Cisco EOL hardware, and provided peer-level training.

  • 2 Jahre und 6 Monate, Sep. 2006 - Feb. 2009

    GSM Telecom Engineer

    Alcatel

    working onsite on Alcatel GSM core devices - SSP,RCP,HLR in Romania,Comoros islands,Nigeria and Cambodia face to face meetings with customers deployement of new devices troubleshooting of Mobile network with network analyzers

  • 2 Jahre, Sep. 2004 - Aug. 2006

    Local Support, Network Administrator

    Accenture Services

    4 months as local support for workstations,printers 20 months network administrator: installing new network from scratch - from physical instalation till final tuning support for approx 40 network devices from cisco,juniper and nortel switches,routers,VPN switches,firewalls,packetshapers,DHCP servers

Sprachen

  • Englisch

    C1 (Fließend)

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