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Specialist, Mechanical Engineer

L3Harris Technologies

Engineering Jobs

Specialist, Mechanical Engineer

full-timePosted: Jan 15, 2026

Job Description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Specialist, Mechanical Engineer

Job Code: 30140

Job Location: Plano, TX (Onsite)

Job Schedule: 9/80



Job Description: 

L3Harris is seeking qualified individuals to join our Aeronautical Systems Engineering team as a Mechanical Engineer. You will participate in the design of detail parts, assemblies, and installations for aircraft structures, mission equipment installations, and mechanical systems installations. Qualified candidates will apply basic engineering design and/or analytical theory with understanding of structural analysis for application to integrated system design.

Essential Functions:

  • Responsible for research, development of layouts, preparation of engineering drawings, and coordination of design activities with Tooling, Flight Sciences, Manufacturing, and Production to ensure that designs meet requirements at minimum cost.
  • Able to lead engineers in the design of detail parts, assemblies, and large installations for aircraft structure modifications.
  • Incorporate feedback from multiple parties and stakeholders into their designs and installation packages.
  • Review and approve the design of detail parts and assemblies to support aircraft modification installations.
  • Designs will be accomplished using world-class, three-dimensional solid modeling CAD tools and work will be accomplished with senior-level design engineers. Mechanical design engineers can work on a wide variety of tasks and aircraft systems on various aircraft platforms.
  • Familiar with aircraft systems or structure.
  • Knowledge and familiarity with part configuration database software.
  • Familiarity with aircraft structural repairs, STC’s, or general modification.
  • Meeting delivery schedules, tracking budgets, and aspects of project management.
  • Excellent written, verbal, communication skills.
  • Computer skills including working knowledge of Microsoft Office.
  • Able to move to and from the flight line, work in an aircraft production environment, and board/exit aircraft as required.
  • Position requires the ability to obtain and maintain a DOD Secret clearance.
  • Other duties as assigned by Supervisor.


Qualifications:

  • Bachelor’s degree with four (4) years of Mechanical Engineering experience within the Aerospace industry.
  • Graduate Degree with two (2) years of Mechanical Engineering experience within the Aerospace industry.
  • In lieu of a degree, a minimum of eight (8) years of Mechanical Engineering experience within the Aerospace industry.
  • Must be a US Citizen.


Preferred Additional Skills:

  • CAD skills are highly desired (NX/Unigraphics Preferred, ProE, Catia)
  • Active Secret Clearance.

#LI-AS1

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Locations

  • Plano, TX, United States

Salary

Estimated Salary Rangemedium confidence

95,000 - 155,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • CAD skills (NX/Unigraphics Preferred, ProE, Catia)intermediate
  • Familiar with aircraft systems or structureintermediate
  • Knowledge and familiarity with part configuration database softwareintermediate
  • Familiarity with aircraft structural repairs, STC’s, or general modificationintermediate
  • Excellent written, verbal, communication skillsintermediate
  • Computer skills including working knowledge of Microsoft Officeintermediate
  • Able to move to and from the flight line, work in an aircraft production environment, and board/exit aircraftintermediate

Required Qualifications

  • Bachelor’s degree with four (4) years of Mechanical Engineering experience within the Aerospace industry (experience)
  • Graduate Degree with two (2) years of Mechanical Engineering experience within the Aerospace industry (experience)
  • In lieu of a degree, a minimum of eight (8) years of Mechanical Engineering experience within the Aerospace industry (experience)
  • Must be a US Citizen (experience)
  • Position requires the ability to obtain and maintain a DOD Secret clearance (experience)
  • Active Secret Clearance (preferred) (experience)

Responsibilities

  • Research, development of layouts, preparation of engineering drawings, and coordination of design activities with Tooling, Flight Sciences, Manufacturing, and Production to ensure that designs meet requirements at minimum cost
  • Lead engineers in the design of detail parts, assemblies, and large installations for aircraft structure modifications
  • Incorporate feedback from multiple parties and stakeholders into their designs and installation packages
  • Review and approve the design of detail parts and assemblies to support aircraft modification installations
  • Designs will be accomplished using world-class, three-dimensional solid modeling CAD tools
  • Meeting delivery schedules, tracking budgets, and aspects of project management
  • Other duties as assigned by Supervisor

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L3Harris Technologies logo

Specialist, Mechanical Engineer

L3Harris Technologies

Engineering Jobs

Specialist, Mechanical Engineer

full-timePosted: Jan 15, 2026

Job Description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Specialist, Mechanical Engineer

Job Code: 30140

Job Location: Plano, TX (Onsite)

Job Schedule: 9/80



Job Description: 

L3Harris is seeking qualified individuals to join our Aeronautical Systems Engineering team as a Mechanical Engineer. You will participate in the design of detail parts, assemblies, and installations for aircraft structures, mission equipment installations, and mechanical systems installations. Qualified candidates will apply basic engineering design and/or analytical theory with understanding of structural analysis for application to integrated system design.

Essential Functions:

  • Responsible for research, development of layouts, preparation of engineering drawings, and coordination of design activities with Tooling, Flight Sciences, Manufacturing, and Production to ensure that designs meet requirements at minimum cost.
  • Able to lead engineers in the design of detail parts, assemblies, and large installations for aircraft structure modifications.
  • Incorporate feedback from multiple parties and stakeholders into their designs and installation packages.
  • Review and approve the design of detail parts and assemblies to support aircraft modification installations.
  • Designs will be accomplished using world-class, three-dimensional solid modeling CAD tools and work will be accomplished with senior-level design engineers. Mechanical design engineers can work on a wide variety of tasks and aircraft systems on various aircraft platforms.
  • Familiar with aircraft systems or structure.
  • Knowledge and familiarity with part configuration database software.
  • Familiarity with aircraft structural repairs, STC’s, or general modification.
  • Meeting delivery schedules, tracking budgets, and aspects of project management.
  • Excellent written, verbal, communication skills.
  • Computer skills including working knowledge of Microsoft Office.
  • Able to move to and from the flight line, work in an aircraft production environment, and board/exit aircraft as required.
  • Position requires the ability to obtain and maintain a DOD Secret clearance.
  • Other duties as assigned by Supervisor.


Qualifications:

  • Bachelor’s degree with four (4) years of Mechanical Engineering experience within the Aerospace industry.
  • Graduate Degree with two (2) years of Mechanical Engineering experience within the Aerospace industry.
  • In lieu of a degree, a minimum of eight (8) years of Mechanical Engineering experience within the Aerospace industry.
  • Must be a US Citizen.


Preferred Additional Skills:

  • CAD skills are highly desired (NX/Unigraphics Preferred, ProE, Catia)
  • Active Secret Clearance.

#LI-AS1

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Locations

  • Plano, TX, United States

Salary

Estimated Salary Rangemedium confidence

95,000 - 155,000 USD / yearly

Source: AI Estimation

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • CAD skills (NX/Unigraphics Preferred, ProE, Catia)intermediate
  • Familiar with aircraft systems or structureintermediate
  • Knowledge and familiarity with part configuration database softwareintermediate
  • Familiarity with aircraft structural repairs, STC’s, or general modificationintermediate
  • Excellent written, verbal, communication skillsintermediate
  • Computer skills including working knowledge of Microsoft Officeintermediate
  • Able to move to and from the flight line, work in an aircraft production environment, and board/exit aircraftintermediate

Required Qualifications

  • Bachelor’s degree with four (4) years of Mechanical Engineering experience within the Aerospace industry (experience)
  • Graduate Degree with two (2) years of Mechanical Engineering experience within the Aerospace industry (experience)
  • In lieu of a degree, a minimum of eight (8) years of Mechanical Engineering experience within the Aerospace industry (experience)
  • Must be a US Citizen (experience)
  • Position requires the ability to obtain and maintain a DOD Secret clearance (experience)
  • Active Secret Clearance (preferred) (experience)

Responsibilities

  • Research, development of layouts, preparation of engineering drawings, and coordination of design activities with Tooling, Flight Sciences, Manufacturing, and Production to ensure that designs meet requirements at minimum cost
  • Lead engineers in the design of detail parts, assemblies, and large installations for aircraft structure modifications
  • Incorporate feedback from multiple parties and stakeholders into their designs and installation packages
  • Review and approve the design of detail parts and assemblies to support aircraft modification installations
  • Designs will be accomplished using world-class, three-dimensional solid modeling CAD tools
  • Meeting delivery schedules, tracking budgets, and aspects of project management
  • Other duties as assigned by Supervisor

Target Your Resume for "Specialist, Mechanical Engineer" , L3Harris Technologies

Get personalized recommendations to optimize your resume specifically for Specialist, Mechanical Engineer. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Specialist, Mechanical Engineer" , L3Harris Technologies

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Answer 10 quick questions to check your fit for Specialist, Mechanical Engineer @ L3Harris Technologies.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.