Senior Specialist, Mechanical Engineering

L3 Harris Technologies

•

Rochester, New York

•

PERMANENT

Updated 09/02/2026

Job Description

Job Summary

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:

Senior Specialist, Mechanical Engineering

Job Code:

43087

Job Location:

Rochester, NY

Job Schedule:

9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off

L3Harris is seeking mechanical engineers in Rochester NY to work on a dynamic team to develop EO/IR solutions. They will have Mechanical Engineering responsibilities consisting of the design, development, modification, evaluation and analysis of complex mechanical, electro-mechanical, opto-mechanical components, subassemblies and systems. Candidate will work closely with cross functional members in engineering, manufacturing, & program management to design, develop & build high performance systems.

Essential Functions:

Design, develop, modify and evaluate complicated and difficult mechanical and electro-mechanical components, sub-systems and systems.

Prepare design specifications, analyses and recommendations for presentation and approval through a formal review process.

Analyze, develop, and recommend design approaches to meet production requirements for new or improved products and/or processes.

Interface with optical, electrical, software and system engineers, providing engineering analysis (structural/thermal) and CAD design from product inception to released fabrication drawings. Provide support for product development and proposals for conceptual CAD layouts and cost estimation.

Complete documentation and BOMs to support life cycle of new or improved designs.

Provide support for existing product designs through the production cycle by incorporating engineering change orders (ECO).

Ability to obtain US Government clearance.

Qualifications:

Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.

Preferred Additional Skills:

SolidWorks modeling and drafting experience.

Basic knowledge of geometric dimensioning and tolerancing (GD&T) and

ANSI Y14.5.

Experience using MS Office (Word, Excel, PowerPoint), Matlab/Simulink.

Knowledge of analysis techniques including linear finite element (FE) stress modeling, heat transfer, and computational fluid dynamics (CFD).

Experience with advanced shock and vibration analysis and design for fatigue.

System development considering machine design and theory of mechanisms, thermal design considerations, and materials selection for demanding environments and applications.

Knowledge of mechanical part fabrication processes.

Experience in designs of electric motors, gears, bearings, and flexures

Electronics packaging knowledge

Stabilization, guidance and control

Hardware integration and troubleshooting

Engineering of aerospace products

Strong mechanical and geo-spatial comprehension skills

Control system modeling using Matlab/Simulink

In compliance with pay transparency requirements, the salary range for this role in New York state is $88,500 - $164,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

LI-KT1

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.

Job and company information not to be copied, shared, scraped, or otherwise disseminated without explicit consent of JSfirm, LLC.