Josetiawaty

Experience & selected work

Systems Engineer / Architect.

Portrait of

Systems engineer and architect with 5+ years of technical experience in defense and aerospace. I translate complex systems into actionable solutions through architecture, presentations, and demos.

01 / Career

Experience

Lockheed Martin

Senior Systems Engineer / Architect

Nov 2022 – Present

  • Develop enterprise-wide architecture solutions and diagrams.
  • Deliver architecture walkthroughs, educational presentations, and demos to stakeholders.
  • Lead model-based systems engineering (MBSE) efforts for a sensor program, coordinating architecture and requirements with multidisciplinary teams.
  • Created SysML and UAF diagrams in Cameo System Modeler to capture system structure, interfaces, and behavior of systems and the LM enterprise.
  • Developed functional requirements in IBM DOORS, imported requirements into Cameo using DataHub, and shared models through Teamwork Cloud Collaborator.

Chenega Analytical Business Solutions

Systems Engineer (Contractor)

Jan 2022 – Jul 2022

  • Analyzed and implemented training systems and subsystems; evaluated equipment
    adaptability and recommended improvements to training equipment and
    techniques.

National Aerospace Solutions · Arnold AFB

Systems and Test Engineer

Jul 2019 – Jun 2021

  • Extensive direct interfacing with customers to ensure jet engine testing facility
    capabilities met requirements.
  • Integrated customer and military hardware.
  • Conducted developmental and mission testing, analyzing real-time data.
  • Coordinated with customers, engineers, and DoD personnel to resolve assembly and testing issues.

The Yard Sale Store

Retail Sales Representative

Jan 2013 – Oct 2018

  • Built customer relationships and repeat business through rapport, objection handling, and clear management of customer expectations.

02 / Outside work

Personal projects

Flyover aviation poster showing an aircraft and its flight details

Aircraft data & display

Flyover

A living aviation poster that turns nearby aircraft data into display-ready artwork for the web and a dedicated e-paper display.

  • Built a Python pipeline to ingest aircraft data from external APIs, normalize metadata, and filter nearby traffic.
  • Developed Flask controls for location, polling, display modes, and artwork settings.
  • Python
  • Flask
  • REST APIs
  • ADS-B
  • ESP32
  • e-paper
Desk Pad and Calculator 01 in the interactive desk simulator

Touchscreen control & integration

Desk Pad

A Raspberry Pi desk controller bringing Flyover settings and LG monitor input switching into a compact touchscreen interface.

  • Deployed a Python and Flask interface with rotary menus, live previews, and video screensavers.
  • Developing a physical controller with buttons and a rotary encoder; enclosure integration and smart-light support are in progress.
  • Raspberry Pi
  • Linux
  • Python
  • Flask
  • JavaScript
  • REST APIs

03 / Foundation

Education

University of Tennessee - Chattanooga

Graduated 2019

Bachelor of Science in Mechanical Engineering

  • American Society of Mechanical Engineers Student Chapter
  • Society of Hispanic Professional Engineers
  • Baja SAE Club — Vice President / Lead Designer
    • Leader of 15 person team in international series involving design, fabrication, and competition of a single-passenger off-road vehicle.
    • Frequently presented to boards of colleagues, industry engineers, and collegiate professionals.
    • Collaborated across disciplines (Business, Marketing, Electrical Engineering, Computer Science, and Art) to manufacture the vehicle and develop data analysis systems, market research, company branding, and cost analyses.

04 / Toolkit

Skills

Technical delivery

  • Stakeholder demonstrations
  • Technical presentations
  • Rapid prototyping
  • Systems integration

Engineering tools

  • IBM DOORS
  • Dassault Cameo
  • SolidWorks
  • AutoCAD
  • 3D printing
  • ChatGPT / Codex
  • Claude / Claude Code

Languages

  • English — fluent
  • Spanish — fluent