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L3Harris Technologies

Global defense contractor delivering aerospace tech

Specialist - Systems Engineer, Modeling Simulation and Controls, Control Logic Design

PropulsionUpdated on Nov 14
Full-timeWest Palm Beach, FL, USANo salary listed

About the Job

Requirements

  • A bachelor's degree in Electrical, Aerospace, or Mechanical Engineering, or equivalent, and at least 4 years of relevant experience; alternatively, a graduate degree and at least 2 years of related experience; or, in lieu of a degree, at least 8 years of relevant experience.
  • At least 2 years of experience in control systems design, analysis, and test.
  • An active Department of Defense Secret security clearance.
  • Willingness and ability to travel up to 10%.

Responsibilities

  • Conduct cycle and engine matching analyses to analyze engine data and develop an understanding of component-level performance of advanced air-breathing propulsion systems.
  • Design and test control logic software.
  • Integrate software into Software-in-the-Loop and Hardware-in-the-Loop simulation environments.
  • Design and develop test stand software and hardware.
  • Support test planning and execution on high-speed air-breathing propulsion systems for steady-state and transient engine operating modes.
  • Perform dynamic modeling and simulation, and design and develop control algorithms and control logic for air-breathing propulsion systems.
  • Model and analyze actuation systems, including valves, and turbo pumps.
  • Model and analyze steady-state and transient performance.
  • Perform modeling and analysis using MATLAB/Simulink and C/C++.
  • Support development of rocket propulsion hardware and software requirements, including coordination of internal requirements allocation derivation.
  • Support propulsion system testing by developing test plans and procedures, producing pre-test predictions, integrating electronic test support equipment, and developing test-related software.
  • Contribute technical analyses to anomaly investigation and resolution teams during propulsion development.
  • Provide on-site customer technical support for engine ground test coverage and analyses, and system flight test activities, as required.

Desired Qualifications

  • A master's degree in Aerospace Engineering or Mechanical Engineering, or equivalent.
  • Proficiency in MATLAB, Simulink, SimScape, LabVIEW, VeriStand, Python, and C/C++.
  • Proficiency with Model-Based Systems Engineering tools.
  • Experience with NPSS propulsion model development and control system integration.
  • Experience with engine control system design, test, and analysis.
  • Communication and presentation experience with cross-functional and integrated product teams.
  • Knowledge and experience with air-breathing high-speed propulsion systems used in defense applications.
  • Knowledge and experience with thermodynamic, aerodynamic, fluid dynamic, and mechanical dynamic properties and behaviors.
  • Experience with system analysis, including modeling and simulation, performance and operability analysis, and engine control operation and design.

About the Company

L3Harris Technologies

Global defense contractor delivering aerospace tech

L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.

Company size
10,001+
Company stage
IPO
Headquarters
Melbourne, FL
Founded
1895

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