MATRIX EXECUTIVE INTERFACE / SAP UTILITIES / FINANCIAL SYSTEMS
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KONSTANTINOS LOURDIS
SAP Utilities · Billing · S/4HANA · FMIS · Mission-Critical Systems
SAP S/4HANA Utilities Consultant
UTILITIES
BILLING
S/4HANA
SAP IS-U
FMIS
IDOCS
EDM
DEVICE MGMT
Enterprise consultant with 10+ years of experience across SAP IS-U Billing & Invoicing, SAP S/4HANA Utilities, Device Management, Energy Data Management, SAP integrations and Financial Management Information Systems. Built for serious environments where operational continuity, accuracy and delivery discipline matter.
EXECUTIVE PROFILE
Serious enterprise substance behind the Matrix interface.
Konstantinos Lourdis specializes in large-scale utilities and financial systems environments, combining SAP functional expertise with operational execution. His work spans SAP IS-U Billing, S/4HANA Utilities transformation, Device Management, Smart Metering, EDM, IDocs, automation, fiscal systems interoperability and mission-critical production support.
CORE SYSTEMS CAPABILITIES
Focused areas where business process, data and platform reliability meet.
SAP IS-U Billing
Billing & invoicing support, rate categories, device structures, master data and high-volume operational execution.
S/4HANA Utilities
Transformation program support, blueprint analysis, functional design and cross-stream coordination.
EDM & Device Management
Energy data, smart metering, scheduling, monitoring and operational control mechanisms.
FMIS & Public Sector
Government financial systems operations, fiscal monitoring, interoperability and modernization support.
EXPERIENCE MAP
Enterprise environments, not generic project labels.
HEDNO / EDA Attikis
SAP IS-U Billing Stream support within SAP S/4HANA Utilities transformation, including blueprint analysis, functional design, Device Management, Smart Metering and EDM coordination.
NRG / HERON
End-to-end SAP IS-U Billing & Invoicing operational support, billing configuration, master data, IDocs, reporting and automation.
Public Power Corporation
Large-scale utilities billing operations, invoicing cycle stability, Device Management, EDM monitoring and operational controls.
G.G.P.S.D.D. — Ministry of Finance
Operational continuity for State Budget, Treasury and Public Expenditure systems, fiscal transparency, FMIS interoperability and public sector digital transformation.
CONTACT