L3Harris Technologies

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  • 1,000 - 50,000 employees

Associate, Mechanical Systems Engineer - Aircraft Systems (Start ASAP)

Location details

On-site

  • United States

    United States

    • Texas

Location

Texas

Closing in 7 days

Opportunity details

  • Opportunity typeGraduate Job or Program
  • Application open dateApply by 8 Feb 2026
  • Start dateStart date ASAP

L3Harris seeks a Mechanical Systems Engineer to develop and modify aircraft systems, supporting national security technology solutions.

Your Role

Key responsibilities include:

  • Developing aircraft system requirements, including Concept of Operations, System Specifications, Component Specifications, and System Schematics
  • Performing system analysis and modelin,g such as Thermal/Heat Transfer Analysis, Flow/Pressure Drop Analysis, Component Sizing Analysis, and Control System Architecture & Analysis
  • Performing verification and validation by creating test plans and procedures, conducting ground and flight testing, and writing certification reports
  • Supporting technical publications by providing source data and reviewing system operating manuals, maintenance manuals, and instructions for continued airworthiness
  • Supporting periodic travel for Technical Interchange Meetings, Program Reviews, Testing, and Aircraft Field Support
  • Performing hands-on testing and troubleshooting of aircraft electrical and mechanical systems, including climbing and crawling in confined aircraft areas
  • 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 and electrical drawings, technical publications, and standards (MIL, SAE, RTCA, 14CFR, etc.)

About You

The company is looking for:

  • Applicants pursuing or having completed a Bachelor’s Degree in Mechanical or Aerospace Engineering within the last 12 months
  • Proficient computer skills with Microsoft Office tools (Word, Excel, PowerPoint, Visio)
  • Strong communication skills, including verbal, written, and slide presentations
  • Proficient technical writing skills for specifications, procedures, and reports
  • Ability to pass flight certification requirements: Flight Physical, Altitude Chamber, Ground Survival Training, Water Survival Training

How to Apply

  • Submit your application as instructed in the job posting, ensuring all required information is included.
  • By submitting your resume, you agree that L3Harris Technologies may share your information with its subsidiaries and affiliated companies for consideration for other available positions.
  • Note that many positions require the ability to obtain a security clearance, which may only be granted to U.S. citizens and requires meeting eligibility requirements for access to classified information.

This job may close before the stated closing date, you are encouraged to apply as soon as possible.

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Work rights

The opportunity is available to applicants in any of the following categories.

Work right - United States
United States
US CitizenUS Permanent Resident

Qualifications & other requirements

You should have or be completing the following to apply for this opportunity.

Degree or Certificate
Qualification level
Qualification level
Bachelor or higher
Study field
Study field (any)
Engineering & Mathematics
  • Aerospace Engineering
  • Mechanical Engineering

Hiring criteria

  • Experience requirementNo experience required
  • Working rights
    US Citizen
  • Study fields
    Engineering & Mathematics
  • Degree typesBachelor or higher
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About the employer

L3Harris Technologies

L3Harris Technologies

Number of employees

1,000 - 50,000 employees

Industries

Aerospace & Defence

L3Harris Technologies is a global aerospace and defense technology innovator.