Sr. Specialist, Mechanical Engineering (Design)

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 is the Trusted Disruptor in defense tech. 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: Sr. Specialist, Mechanical Engineer (Design) Job Code: 34951 Job Location: Plano, TX (Onsite) Job Schedule: 1st Shift 9/80 Job Description The Sr. Mechanical Engineering Specialist is responsible for participating 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 model 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. Knowledge and familiarity with part configuration database software. Meeting delivery schedules, tracking budgets, and aspects of project management. Familiar with aircraft systems or structure. Familiarity with aircraft structural repairs, STC’s, or general aircraft modification. 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. Ability to obtain and maintain a DOD Secret security clearance. Other duties as assigned by Supervisor. Qualifications Bachelor’s Degree with six (6) years of prior Mechanical Design Engineering experience within the Aerospace industry. Graduate Degree with four (4) years of prior Mechanical Design Engineering experience within the Aerospace industry. In lieu of a degree, minimum of ten (10) years of prior related experience. Minimum 4 years CAD skills (NX/Unigraphics preferred, ProE, Catia). Must be a US Citizen. Preferred Additional Skills Active Secret security clearance. 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. For the E‑Verify Poster in English ( or Spanish ( For information regarding your Right To Work, please visit the following links: English ( or Spanish ( #J-18808-Ljbffr L3Harris