Stratos Trichonas

Experience

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  Office of Research and Computer Science (Military service)

  Jan 2013 - Sept 2013

  Network and Computer Operator – PC Support Analyst

  Office of Research and Computer Science (ORCS) of the 98th Higher Command ofNational Guard Battalions (HCNGB), Mytilene, Greece- Local Computer Network Administration, maintenance, extension, technical support and handling of critical situations.- Responsible for ensuring the compliance of the regional military computer systems with the applicable Security Requirements.- Responsible for ensuring the confidentiality, integrity and availability of the classified network- Work on shift and on call in order to fulfill duties and responsibilities.- Support the use of military software programs- Preparation of presentation materials (i.e. Power Point slides, outlines, etc.). Show less

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  European GNSS Agency

  Jun 2015 - Nov 2016

  Service Engineer - EGNOS Exploitation Department

  - Contribute to the finalization of the Mission Requirements Document (MRD) for EGNOS V3 (analysis and justification of requirements, participation to the MRD Change Control Board, preparation and review of Document Change Notices to the MRD).- Drafting of the Justification file for EGNOS V3 Mission Requirements document (i.e. accuracy, integrity, continuity, coverage area, expandability, operational modes). Research on key resources (e.g. International Standards, technical documents, Commission Regulations and past Minutes of Meetings) and inputs from EGNOS mission experts (i.e. GSA, EUROCONTROL, ESA and Air Navigation Service Providers)- Contribute to the activities of the DFMC SBAS SARPs subgroup.- Support the activities for the realization of a high level EGNOS long-term roadmap.- Support the preparation of EGNOS mission studies (i.e. study logic, tasks, deliverables, etc.).- Participation to the EGNOS Service provision working group (support the consolidation of the EGNOS service provision, certification and qualification open points).- Support the team in daily activities, documenting requirements, preparing technical inputs for meetings, presentations, technical files. Show less

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  INRiM

  Feb 2017 - Oct 2017

  EGNSS System Engineer

  - EGNOS Network Time (ENT) Performance monitoring providing monthly products on EGNOS timing performance and quarterly reports containing analysis and assessment of ENT in terms of stability, accuracy and abnormal events.- Review of test cases and test procedures for Integration, Verification, Validation and Qualification of the Time Service Provider (TSP) facility for the Galileo Ground segment.- Follow up the planning for the IVVQ process of the TSP facility.

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  DLR GfR mbH

  Oct 2017 - Jul 2019

  GCC - Galileo Ground & Mission Operations Engineer

  Certified GMS and GCS Ground Operations Engineer• Performance monitoring and control of the Galileo Ground segment for both GCS and GMS (follow-up/open observations, incidents and anomalies of the system, trigger corrective actions)• On-console Operations: o Routine Operations (e.g. antennas components testing, antennas ranging calibrations and measurements) o Special operations (e.g. satellite maneuver) o Coordinate operations with Operations Engineers at the Galileo Control Center in Italy• Ground Operational Procedures Change Requests (PCRs) responsible on behalf of DLR GfR: o Weekly participation to the Procedure Configuration Board with stakeholders o Draft, review, validate and process operational procedures o Assign actions to team members• Responsible for the Ground Maintenance Planning activities as part of the Short Term Planning on behalf of DLR GfR: o Weekly participation to the Ground maintenance meeting o Approve requests and coordinate maintenance activities with stakeholders. • Midterm planning responsible • Special Operations Process responsible in GCS• GALILEO Mission Operations Engineer for GMS in the GCC-D (backup site)• 24/7 on-duty/on-call Ground Operations Engineer.• Perform trainings to new team colleagues. Show less

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  Bosch

  Sept 2019 - Aug 2020

  GNSS System Engineer

  • Vehicle Motion and Position Sensor (VMPS) - System Engineering for GNSS and Correction Services.• Performance evaluation of GNSS and Correction Services.• Monitoring, reporting and analysis of operability and any anomalies in GNSS constellations; • Answering technical inquiries about GNSS constellations.• Support Service Operations definition.• Provide support to tool projects in the field of service operations on the topics of technical GNSS monitoring and GNSS correction service monitoring:o Work Packages definition, resources allocation and timeline definition.o Requirements definition and anlysis.o Technical support and preparation of appointments with possible suppliers.o Analysis and testing of software products available on the market in the area of GNSS.o Creation of concepts for technical supplier monitoring in the area of GNSS correction data.Tools: Trimble Dynamic Control, RTKLiB, BKG Ntrip Client (BNC) Show less

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  EUSPA - EU Agency for the Space Programme

  Sept 2020 - now

  GMS L2/L3 Maintenance Engineer

  • Galileo ILS and Maintenance Engineer

    Feb 2023 - now

  • Galileo Ground Segment Maintenance Engineer for Rhea Group

    Sept 2020 - Feb 2023