Summary

Overview

Work History

Education

Skills

Accomplishments

Timeline

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

years of professional experience

Work History

Lead Flight Systems Engineer

Space Perspective

Titusville, FL

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.)

Atlanta, GA

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

Melbourne, FL

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.)

Houston, TX

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

Long Beach, CA

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%