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Javier Quintana HernándezJQ

Average response time: 1 hour

Freelancer profile translated to English.
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About Javier

  • Spanish

    Native or bilingual

  • English

    Fluent

  • French

    Basic

Can work on-site
Madrid (up to 50km)

Experience

  • Airbus Defense & Space
    System Engineer,Tactical Data Links
    DEFENSE AND MILITARY
    February 2026 - Today (4 months)
    System Integration & Architecture: Manage the technical requirements, architecture, and integration of tactical data link networks, with a specialized focus on Link 16 capabilities for aerospace defense platforms.
    ​Technical Documentation: Produce, review, and maintain rigorous technical specifications, interface control documents, and engineering reports to support system deployment, testing, and interoperability standards.
    ​Cross-Functional Collaboration: Coordinate with multi-disciplinary aerospace engineering teams to ensure secure, reliable, and optimized communication architectures across complex defense systems.
    ​Project Execution: Apply structured systems engineering methodologies to analyze system performance, troubleshoot integration challenges, and support key project milestones.
  • Akkodis
    Mission System Engineer – PATMAR FUTUR
    July 2025 - February 2026 (7 months)
    Madrid, Spain
    • • Defined and maintained the Mission System Architecture for the next-gen Maritime Patrol Aircraft (PATMAR), ensuring alignment with high-level operational requirements.
    • • Managed the Requirements Engineering lifecycle using DOORS, performing traceability links, consistency checks, and baseline management for critical avionics subsystems.
    • • Led V&V campaigns: Definition of Test Procedures and verification of system functional requirements in accordance with V-Model and safety standards (MIL-STD).
    • • Managed Interface Control Documents (ICDs) between on-board sensors, tactical systems, and ground segments, coordinating with international suppliers.
    • • Defined subsystem interfaces and requirements aligned with the MBSE architectural model, ensuring consistency between DOORS requirements and system functional flows.
    • • Reviewed architectural design artifacts (SysML diagrams) to validate system logic against operational requirements.
  • University of Seville (ENGREEN Excellence Unit)
    Systems Integration Engineer
    May 2023 - July 2025 (2 years and 2 months)
    Seville, Spain
    • • Led the electro-mechanical integration of a Hydrogen-Electric hybrid powertrain for a VTOL UAV (Mugin EV350), managing the interface between the PEM Fuel Cell, Type IV H2 Tank, and Li-Ion batteries.
    • • Defined the System Architecture for the Energy Management System (EMS), translating operational requirements into technical specifications for power distribution and thermal management.
    • • Executed V&V activities for the propulsion subsystem: defined test plans for "Iron Bird" ground testing and validated performance against theoretical models using MATLAB/Simulink.
    • • Managed Safety-Critical interfaces involving high-pressure hydrogen lines and high-voltage distribution, applying hazard analysis principles to ensure operational safety.
    • • Coordinated with suppliers for the customization of the conformable tank and fuel cell stack, acting as the technical focal point for component integration.

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Education

  • Certified Associate in Project Management (CAPM)
    Project Management Institute (PMI)
    2026
    Certified Associate in Project Management (CAPM)
  • Master's Degree
    University of Seville
    2024
    Master's Degree

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