Senior Associate

Greenville, Texas

L3Harris Technologies
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Job Title: Senior Associate, Mechanical Systems Engineer - Aircraft Systems


Job Code: 11851


Job Location: Greenville, Texas - (Responsibilities must be performed on-site.)


Job Schedule: 9/80 Work Schedule - (Every other Friday is a non-workday.)


Job Description:


Please Note: This position is contingent upon an anticipated contract award mid-July 2024.


As a Mechanical Systems Engineer, this job includes developing new aircraft systems or modifying existing aircraft systems to meet customer requirements. The engineer will use systems engineering tools and processes to support the full lifecycle of a variety of aircraft systems such as: Environmental Control, Auxiliary Heat, Oxygen, Liquid Cooling, Environmental Monitoring, Moisture Control, Smoke Detection, Pitot/Static, Cabin Pressurization, Fuel, Ice protection, Air Cycle, Vapor Cycle, Potable Water, Mechanisms, Power Plants, and Hydraulics.


The engineer performs technical planning, system integration, verification and validation, cost and risk and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include concept, design, fabrication, test, installation, operation, maintenance, and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications.


Essential Functions:

  • Developing aircraft system requirements: Concept of Operations, System Specifications, Component Specifications, and System Schematics
  • Performing system analysis and modeling such as: Thermal/Heat Transfer Analysis, Flow/Pressure Drop Analysis, Component Sizing Analysis (Fan, Pump, Heat Exchanger, Valves), and Control System Architecture & Analysis
  • Performing verification and validation such as: creating test plans, creating test procedures, physically operating the system to perform ground and flight testing, writing certification reports.
  • Supporting technical publications by providing source data and reviewing publications such as: system operating manuals, maintenance manuals, instructions for continued airworthiness
  • Supporting periodic travel for Technical Interchange Meetings, Program Reviews, Testing, and Aircraft Field Support
  • Proficient computer skills (Microsoft Office tools: Word, Excel, PowerPoint, Visio)
  • Proficient communication skills (verbal, written, slide presentations)
  • Proficient technical writing skills (specifications, procedures, reports)
  • Performing hands-on testing and troubleshooting of aircraft electrical and mechanical systems; requires climbing and crawling on the aircraft in confined areas to perform job duties.
  • Capable of passing flight certification requirements: Flight Physical, Altitude Chamber, Ground Survival Training, Water Survival Training
  • Understanding and supporting the aircraft certification process (Civil: 14CFR Part 25 and 23; Military: MIL-HDBK-516)
  • Interpreting and using aircraft technical documentation such as: system schematics, mechanical drawings, electrical drawings, aircraft technical publications, Standards (MIL, SAE, RTCA, 14CFR, etc.)

Job Qualification Requirements:

Degree and a minimum of 2 years of prior related experience. Graduate Degree or equivalent with 0 to 2 years of prior related experience. A degree in Mechanical Engineering or Aerospace Engineering is strongly preferred. In lieu of a degree, minimum of 6 years of prior related experience.


  • Must be able to obtain and maintain a DoD security clearance which requires U.S. Citizenship is required.
  • Good computer skills including working knowledge of Microsoft Office
  • Must have ability and willingness to travel if necessary.

Preferred Additional Skills:

  • Experience with requirement management tools (DOORS, MBSE tools such as Magic Draw-Cameo systems modeler)
  • Experience with system analysis and modeling tools (Macroflow, ANSYS Fluent/CFX, MSC Easy 5, Sinda Fluint, High level Microsoft Excel functions & Macros)
  • Experience with Environmental Qualification (Temp, Alt, Humidity, Icing, Shock, Vibe, etc.)


Date Posted: 17 June 2024
Job Expired - Click here to search for similar jobs