Roger Ramirez
Palm Bay,FL
Summary
Innovative and results-oriented Systems Engineer with over 16 years of experience designing, managing, and delivering complex systems across aerospace, defense, and spaceflight programs. Proven track record of leading cross-functional teams, driving system architecture, and ensuring end-to-end integration of mission-critical systems. Skilled at combining big-picture thinking with attention to detail to align technical goals with organizational strategy.
Overview
20
20
years of professional experience
Work History
Lead Flight Systems Engineer
Space Perspective
02.2023 - Current
- Managed Systems Engineering team to incorporate DevSecOps across multiple locations, leading to a 25% reduction in testing cycle time and improved hardware/software error handling
- Designed effective architecture for critical flight systems using MBSE methodologies, analyzing hardware/software requirements, subsystem designs, and integration of avionics, power distribution, SATCOM, balloon valve control, pressure control systems, and temperature control systems, incorporating simulations for suborbital and operational assessments
- Incorporated earned value and provided risk analysis for each subsystem, cost schedule risk, and integration schedule, workflow, and resource management
- Designed and implemented test plans plans for each subsystem, ensuring operational verification and validation for flight readiness, weather and traffic monitoring and failure scenario testing
- Established post-mission analysis frameworks to assess performance, identify engineering and operational failures, and drive continuous improvement in mission methodologies and software
Senior GNC Systems Engineer
Honeywell Aerospace (c. Capgemini, Inc.)
11.2022 - 02.2023
- Supported full lifecycle development of the HTS7500 turboshaft engine, managing system and component requirements
- Conducted trade studies and performance analyses to inform architectural decisions
- Interfaced with software, controls, and mechanical teams to ensure cohesive system design and implementation
- Developed supporting scripts for integrated modeling environments, accelerating system deployment
- Created simulation test cases, developed testing procedures and tools for validating system functional model and individual unit subsystems
- Provided data-driven recommendations for design modifications, reducing failure risks and improving overall system robustness
GNC Systems Engineer
Northrop Grumman Corporation
10.2017 - 11.2021
- Spearheaded and led integration of hardware-in-the-loop (HTIL) virtualization in MATLAB/Simulink to verify GNC software
- Executed test cases and system failure analyses, ensuring airworthiness and compliance with safety standards
- Created and maintained requirements and wrote technical documentation supporting business functions and corresponding technical strategy
- Helped design and implement algorithms for GPS, inertial navigation, database integration for updated airspace data, waypoints, and other relevant information into the FMS
- Created algorithms in C++ as well as designed and wrote new functional code in simulator API for UAV
- Created functionality to communicate OMS data (waypoints, turnpoints and loiterpoints) testing within simulated SCRAMNet CSR into flight control system for mission updates
- Managed seven projects providing customer CDRLS, coordinate major reviews (CDR, SPR, PDR, SRRs and MDRs) and coordination with finance, project team, engineers, and CSM
- Secured six contracts worth $12M by showcasing technical capabilities of warfighter and delivering RFPs, SOWs, and BOMs
Senior Satellite Systems Engineer
NASA (c. Lockheed, Inc.)
07.2016 - 10.2017
- Designed and optimized automated satellite operations, including telemetry structure and satellite database management in LEO
- Led the re-architecture of ISS IT infrastructure, integrating advanced space and ground segment designs to enhance operational efficiency
- Developed and utilized simulation tools for spacecraft stability and attitude control, ensuring mission success
- Built web-based tools using Python and SQL, automating project management workflows and streamlining requirements verification
- Applied MATLAB and Systems Tool Kit (STK) for mission analysis
- Spearheaded the integration of life cycle and project management systems within spaceflight programs, reducing inefficiencies and improving cross-functional collaboration
Providence Transportation Logistics, LLC
10.2005 - 09.2015
- Led re-architecture of IT infrastructure, improving network reliability and scalability
- Designed high-availability network solutions, reducing downtime by 40% and enhancing redundancy, while optimizing network performance with automation tools, increasing data throughput for telemetry
- Developed and enforced cybersecurity protocols, strengthening system resilience and integrated legacy and modern network systems, improving efficiency and reducing costs
- Automated network deployment using Python and PowerShell, cutting manual workload by 60%
Education
Master of Science - Aerospace Engineering/Software Engineering
Florida Institute of Technology
Melbourne, FL05-2027
Bachelor of Science - Aerospace Engineering
Texas A&M University
College Station, TX05.2016
Skills
- Programming in multiple languages: C, C#, Python, Matlab/Simulink, Simulink Test, batch, PHP, Visual Basic, Java script, UML/SysML, SQL, CFD
- Experience with development tools: DOORS, Jira, Ansys SCADE, Valispace, Cameo, CAD NX, Propel, Bambo, Github, confluence, STK
- Systems Engineering Lifecycle (SELC)
- Requirements Development & Management
- System Architecture & Integration
- Risk Management & Trade Studies
- Model-Based Systems Engineering (MBSE)
- Technical Project Leadership
Accomplishments
- Secured $12M in contracts capture at Northrop Grumman.
- Developed MBSE modeling framework for startup company increasing efficiency
- Made history by developing Systems Engineering, integration and piloting first balloon/capsule mission into the stratosphere
Timeline
Lead Flight Systems Engineer
Space Perspective
02.2023 - Current
Senior GNC Systems Engineer
Honeywell Aerospace (c. Capgemini, Inc.)
11.2022 - 02.2023
GNC Systems Engineer
Northrop Grumman Corporation
10.2017 - 11.2021
Senior Satellite Systems Engineer
NASA (c. Lockheed, Inc.)
07.2016 - 10.2017
Providence Transportation Logistics, LLC
10.2005 - 09.2015
Master of Science - Aerospace Engineering/Software Engineering
Florida Institute of Technology
Bachelor of Science - Aerospace Engineering
Texas A&M University
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