Senior Power System Engineer

• Mar 2022 - Present

Spacecraft Power System Engineer

• Nov 2017 - Jan 2022

Member of Electrical Power System Team (Avionics / Mechanical, Thermal and Propulsion division of OHB System AG) Main activities: - Responsible of Electrical Power System of space satellite platform product line; - Sizing of power subsystems for satellite applications, including solar generators, solar array rotation mechanisms, batteries (Li-Ion), power conditioning (MPPT) and distribution units; - Electrical Power Subsystem design definition for space projects with ESA in design phase (from phases A to B2); - Definition and maintenance of technical requirement specification documents (equipment level); - Production of technical documentation, such as analysis technical notes; trade-off reports, budgets, design justification and descriptions; - Presentation of work results internally and in front of the customer; - Technical coordination of power unit suppliers and subcontractors (proposal evaluation, negotiation, schedule, statement of work); - Implementation of Power System sizing and simulation tool based on VBA. Study / proposal phase projects (A/B1) - Lagrange: Solar observatory in Sun-Earth L5 - Copernicus common platform study - CO2M: Copernicus Anthropogenic Carbon Dioxide Monitoring - LSTM: Copernicus Land Surface Temperature Monitoring (proposal) - CRISTAL: Copernicus Polar Ice and Snow Topography Altimeter (proposal) - Athena: Advanced Telescope for High-ENergy Astrophysics Design phase projects (B2) - CO2M: Copernicus Anthropogenic Carbon Dioxide Monitoring - EOS: OHB Earth Observation Standard Platform Show less

Consultant

• Mar 2016 - Oct 2017

Collaborating as a consultant with Thales Alenia Space - Belgium, on behalf of Engibex. Collaborating as a consultant with Thales Alenia Space - Belgium, on behalf of Engibex.

Power Electronics Engineer

• Mar 2016 - Oct 2017

Collaborating as a consultant with Thales Alenia Space - Belgium, on behalf of Engibex, in Leuven/Charleroi. As a Power Eletronics Engineer, I am responsible for the design and sizing of integrated electrical circuit modules during the entire life cycle of the project. Main activities: - Sizing and design of power and mixed signal electronic circuits for satellite launcher at the transistor level; - Define module and interface specifications; - Evaluate and select electronic components; - Elaborate thermal analysis and power budgets of electronic boards; - Elaborate Worst Case Analysis (WCA), Part Stress Analysis (PSA), Failure Mode, Effects and Criticality Analysis (FMECA), and Fault Tree Analysis (FTA); - Write descriptive and justification documents; - Design a printed circuit board (PCB) and manage its electromagnetic compatibility (EMC); - Perform electrical measurements in DC/DC converter boards; - Perform root cause analysis of DC/DC converter faults and write respective investigation documents; - Perform radiation analysis of MOSFETs used in DC/DC converters; - Statistical analysis of hybrid DC/DC converters test reports after production; - Work in a multi-linguistic corporate environment. Projects: - Ariane 6 Safeguard system, Neutralization Firing Unit (NFU); - Post production engineering support of hybrid DC/DC converters for aerospace applications. Show less

Electrical Engineer

• Oct 2013 - Mar 2016

E-redes (former EDP Distribuição) Coordination and operation of Medium Voltage (6 kV to 30 kV) electric grid: - Managing teams on detecting and repairing electrical faults; - Risk analysis and planning of maintenance tasks on the electrical power grid. Development of the following projects: - Conceptualization and implementation of a process to deal with permanent SCADA alarms. - Participation in continuous improvement projects, such as the redefinition of contingency plans and the Operational Plan of Action in Moments of Crisis; - Data Analytics related to Asset Management, KPI, decision support tools, pattern seeking; - Programming of a Business Intelligence Report that analyses recurrently past occurrences in the electrical grid and display via dashboards meaningful KPI for assisting top level technical management; - Development and definition of specifications of a novel off-grid (Islanding) outage backup solution for medium voltage (30/15/10/6 kV) electrical distribution grids, using small power generator connected to switch-gear with a digital protection system; - Configuration and management of a national automation system for extinguishing momentary and semi-permanent faults in the electrical grid; - Quality Assurance Testing of dispatch software applications: such as SCADA system, outrage management system and automatic fault detection system; - Technician training for the Power grid SCADA system; - Execution and improvement of Business Continuity Plan, and participation in the ISO 22301 Certification process. Show less

Associate Project Director

• Mar 2012 - Sep 2013

Responsible for the conceptual design and construction project of a bio-solid treatment plant. Main activities developed: - Electromechanical equipment sizing (eg. pumps, reactors, pressure vessels, piping, air ducts, chemical storage containers, convective dryers, conveyors); - Supplier query and quotation analysis; - Market research and attendance of commercial meetings with potential international customers/suppliers; - Optimization of operational costs (chemical consumption, thermal energy consumption in hot air generation for convective dryer, product transportation); - Elaboration and presentation of business plan for investors; - Fertilizer and organic waste disposal market analysis; - Elaboration of technical documents such as electromechanical technical datasheets, project descriptive memorandum; tender specifications and maintenance and operation manuals; - Preparation, development e submission of a project to a Portuguese public innovative project funding organism - QREN (Quadro de Referência Estratégico Nacional). Show less