Senior Specialist Mechanical Engineering
L3HARRIS Technologies Integrated Systems L.P.
Mason, OH · Posted October 1, 2026
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Where Mason, OH ranks
Where Mason, OH placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #10Cities where the biggest share of jobs do not need a four-year degree in the Great Lakes19% · of 39
- #12Best cities for entry-level jobs that want AI skills in the Great Lakes4% · of 38
- #13Cities where the biggest share of jobs do not need a four-year degree in the Midwest19% · of 54
- #16Best cities for entry-level jobs that want AI skills in the Midwest4% · of 52
- #16Best cities for mid-career professionals in the Great Lakes54% · of 53
- #20Best cities for AI-skill jobs in the Great Lakes6% · of 53
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among mechanical engineering technologists and technicians is little observed so far. Measured exposure for mechanical engineering technologists and technicians: 7% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
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: 44317 Job Location: Mason, OH – On Site Job Schedule: 9/80 - Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off Job Description: L3Harris Space & Sensors Division, headquartered in Mason, Ohio, designs, develops, and manufactures complex systems (electronic, avionics, transceivers, transmitters, electro-optical, and electro-mechanical) for the defense, aerospace, and commercial markets. L3Harris is a recognized leader in Electro-Optical technologies that enable systems to support surveillance, reconnaissance, threat detection, and self-protection missions. We are seeking a Senior Mechanical Engineer with strong knowledge of job area and broad knowledge of project management. Will manage complex projects or processes with general oversight. Communicates within and outside of own function to gain cooperation on operational processes, practices, and procedures. Makes moderate to substantial improvements to systems and processes. Contributes to achievement of departmental goals and operating plans with direct impact on the departmental results. Mechanical Engineers at in the L3Harris Space & Sensors Division are responsible for a wide range of assignments, including design, analysis, and test of opto-mechanical, and electro-optical systems. These systems have demanding functional and performance requirements and must operate in extremely challenging environments. Mechanical Engineers will follow the product from conceptualization through hardware integration and testing, and will interface with Designers, Systems Engineers, as well as other discipline engineers, Program Managers and customer counterparts. Duties may include CAD design, detailed finite element analysis, vendor and integration support, as well as hardware characterization testing. The selected individual will be responsible for various analyses on multiple prototype development teams. The individual must demonstrate the ability to apply engineering principles and fundamental analysis techniques to characterize and evaluate hardware performance as it relates to the development of opto-mechanical and electro-optical hardware systems. Essential Functions: Provide technical leadership and oversight to multiple cross-disciplinary Engineering design teams. Teams will be tasked with developing various types of ruggedized opto-mechanical and electro-optical systems and technologies. Oversee or directly perform the conceptualization and development of working designs, computer models, layouts and drawings using MCAD/MCAE tools. Develop, review and approve engineering documentation, including product specifications, drawings, assembly procedures, and test plans/procedures. A comprehensive understanding of GD&T (ASME Y14.5) and DFMA is required. Experience with tolerance stack methodology is preferred. Perform mechanical analyses of components and subsystems employing both classical and Finite Element methods. Analyses may be quasi-static, kinematic and/or dynamic in nature, and are intended to characterize or verify the structural integrity, stability and performance of the hardware. Prepare and review schedules, specifications, process standards, and other contract documentation to plan the successful execution of multi-year, multi-million dollar development efforts. Participate (as a presenter and/or reviewer) in internal and customer design reviews intended to demonstrate design conformance to all derived requirements and customer specifications. Assist the Purchasing Dept. with procurement of product hardware including vendor certification, vendor oversight, product source inspection, and nonconformance disposition, as required. Support the assembly, integration and test of the product or prototype hardware. A working understanding of optical systems and hardware integration is a plus. Familiarity with military testing to MIL-STD-810 and MIL-STD-461 is desired. Experience with optics, lens design and common opto-mechanical alignment techniques is required. Experience with ultra high vacuum (UHV) processing and cryogenic compressor design/production methods is desirable (not mandatory). Experience with CAD tools Solidworks/Solid Edge is required. Proficiency with GD&T and drawing standards per ASME (Y14.5) is required. Proficiency with structural, structural dynamics, or thermal analyses is required. Familiarity with FEA tools, particularly FEMAP/NX Nastran and/or ANSYS are preferred. Proficiency with computer design tools (Teamcenter, MathCAD, Matlab) is preferred. Meets eligibility requirements to access US classified information. Ensure quality through adherence to the Quality Systems Manual, applicable Standard Work Instructions and other standards invoked internally or contractually. Adhere to budget and schedule commitments. Lead technical proposal efforts as part of a program capture team: Conceptualize suitable architecture and prepare input text and figures for the proposal technical volume. Estimate the labor required to execute on proposed projects. 5% Travel expectation (minimal) 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. 6+ years of experience in relevant prototype development and production required, experience w/ hardware development for aerospace applications is strongly preferred, 4+ years with a Master’s degree Preferred Additional Skills: EO / IR experience is a plus #LI-KM1 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 .