Efstathios S.

Efstathios S.

Geographic Information System (GIS) Engineer

Athens, Greece
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About Me

I am a Geospatial Engineer/GIS Analyst with 8+ years of industry experience in photogrammetry, remote sensing, Web-GIS, GIS, spatial databases, programming, and geomatics. I am up to date on standard geospatial procedures and QA/QC workflows for the development and implementation of geospatial solutions. I am adept at collecting and processing geographic information from decentralized sources, configuring solutions, implementing workflows, creating and provisioning data content, test enhancements and providing user support to customers.

Work history

UpStack
UpStack
GIS Engineer
2020 - Present (4 years)
Remote
  • Creating and developing innovative geospatial solutions for clients across a broad range of industries.

  • Translate customer requirements into high-quality code and implement required functionalities into solutions that are portable, extensible, and scalable to various environments.

  • Develop secure applications that meet industry best practices and protect customer data.

iNNOS Consulting
iNNOS Consulting
Geospatial Engineer
2020 - Present (4 years)
Ioannina, Greece
  • Scoped and planned the database creation strategy on the project; handling processes for the storage of spatial and non-spatial data.

  • Proposed solutions for the development of a 3D WebGIS Energy –Cadastral platform for use as a visualisation and assessment tool; following guidelines and best practices.

  • Reviewed, interpreted, and utilized established processes for tasks on the manipulation and organization of data, 3D modelling and visualization, and enrichment of 3D models.

ENTE  Kouklidis
ENTE Kouklidis
Environmental and Land Survey Engineer
2019 - 2019
Greece
  • Complied with environmental standards in the preparation of documents for environmental licensing on the project through audits, inspections, recordkeeping and data documentation.

  • Provided recommendations for corrective or preventive measures and ensured the maintenance of accurate environmental records on the project.

  • Prepared topographic and contour maps of land surveyed, examined environmental impacts and handled other relevant information such as charts, drawings, and survey notes promptly.

Civilco–F. Grammatis and Co
Environmental Engineer
2019 - Present (5 years)
Greece
  • Worked on the preparation of special environmental reports for the NATURA 2000 protection areas on a timely basis.

  • Developed, administered, and maintained environmental compliance and continuous improvement solutions on the project.

  • Conducted regular environmental compliance self-assessments and regulatory applicability reviews on the project.

Geomatics SA
Geomatics SA
Earth Observation Engineer
2018 - 2018
Greece
  • Provided platform configuration best practices in producing orthorectified imagery for detecting arbitrary and non-compliant buildings in Northern-East Attica.

  • Handled terrestrial surveys using different topographic equipment.

  • Developed the Digital Terrain Model solution from stereoscopic vision, and oversaw tasks on data processing, image creation, and radiometric correction.

Ministry of Environment and Energy
Ministry of Environment and Energy
Spatial Data Infrastructure Engineer
2018 - 2018
Greece
  • Worked in a collaborative environment to acquire geospatial information and derivative information for the revision of technical specifications, standards and implementing rules for Law 4269/2014.

  • Used a variety of state-of-the-art GIS and open-source technologies in creating spatial elements and data models on different frameworks on the project.

  • Facilitated the configuration of procedures to handle the collection, processing, performance and control of the data.

Geomatics SA
Geomatics SA
Geospatial Engineer
2018 - Present (6 years)
Greece
  • Analyzed the project’s geocoding and GIS data processing needs; manipulating and organizing spatial data, operationalizing and providing support for the cadastral office.

  • Provided technical assistance for the planning and engineering of a Digital Terrain Model (DTM) and the manipulation of property declarations for cadastral registration.

  • Maintained the GIS system software on the project, modified system configurations and updated the spatial database system.

Geomatics SA
Geomatics SA
Geospatial Engineer
2017 - 2019 (2 years)
Greece
  • Handled terrestrial surveys using different topographic equipment with regular manipulation and organization of spatial data on the project.

  • Developed a Digital Terrain Model (DTM) and produced orthophoto maps using photogrammetry.

  • Provided ongoing maintenance, support and enhancements to the cadastral office; maintaining the spatial database management system on the project.

Geomatics SA
Geomatics SA
Geospatial Engineer
2012 - 2017 (5 years)
Greece
  • Managed and supported complex geospatial projects for Geomatics S.A; evaluating and rolling out new fit-for-purpose technologies and solutions for clients.

  • Determined the requirements for terrestrial surveys using topographic equipment, created DTMs from LiDAR and analyzing spatial data and point cloud processing.

  • Worked on the establishment of different GIS solutions; handling data entry, spatial data collection and harmonization tasks.

Portfolio

Geospatial Engineer - GREAT-SUN Project
Geospatial Engineer - GREAT-SUN Project

Provided technical support services for the implementation of the “GREece and Albania Towards SUstaiNability” project in the context of the Cross-Border Project “Interreg IPA CBC “Greece-Albania 2014-2020. Handled the manipulation and organization of initial data, 3D modelling and visualization of buildings with various levels of details (LoD2 and LoD3) in line with international standards. Worked on the semantical enrichment of 3D models, database implementation for the organisation and storage of spatial and non-spatial data. Implemented a 3D WebGIS Energy – Cadastral platform for the visualization of 3D building models to use as a visualization and assessment tool of a building's energy behaviour.

Geospatial Engineer - (Project ΚΤ5-20)
Geospatial Engineer - (Project ΚΤ5-20)

Cadastral survey and provision of support services for the creation of the Hellenic Cadastre for the remaining areas of the Regional Unit of Lakonia of the Peloponnese Region (Project ΚΤ5-20)- ˗ Manipulation and organization of spatial data ˗ Operation of the cadastral office in Athens ˗ Support of Cadastral offices ˗ Digital Terrain Model (DTM) creation ˗ Collection and manipulation of property declarations for cadastral registration ˗ Data preparation and data input in GIS environment ˗ Implementation, update and maintenance of the spatial database management system

Geospatial Engineer – Electrical connection of Crete-Peloponnese
Geospatial Engineer – Electrical connection of Crete-Peloponnese

Production of photogrammetric diagrams, terrestrial topographic surveys and correction of Digital Terrain Model in the context of the Project “Aerial photography and scanning using LiDAR for the corridor of power transmission 150KW – Electrical connection of Crete-Peloponnese”- ˗ Terrestrial surveys using topographic equipment (GPS GNSS, total station) ˗ Manipulation and analysis of spatial data ˗ Point cloud processing ˗ Creation of Digital Terrain Model from LiDAR ˗ Production of photogrammetric diagrams and digital maps in GIS environment ˗ Production of cartographic basemaps

Education

Professional Engineering License for Category 27 (Environmental studies) and Category 21 (Geotechnical studies)
Professional Engineering License for Category 27 (Environmental studies) and Category 21 (Geotechnical studies)
Hellenic Ministry of Infrastructure, Transport and Networks
2019 - Present (5 years)
Professional Diploma in Digital Marketing
Professional Diploma in Digital Marketing
ALBA Graduate Business School, Greece
2017 - 2017
MSc Geoinformatics
MSc Geoinformatics
National Technical University of Athens, Greece
2014 - 2016 (2 years)
MEng Mining andMetallurgical Engineering
MEng Mining andMetallurgical Engineering
National Technical University of Athens, Greece
2005 - 2011 (6 years)