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Senior Specialist, Mechanical Engineer

Tulsa, Oklahoma
Full Time On-site

Summary

Job Description

A highly skilled and innovative Senior Mechanical Engineer to perform design, development, analysis, prototyping, manufacturing, and validating precision components and mechanisms as well as integrating opto-mechanical assemblies in a program team environment.  Program support and technical leadership including, but not limited to, requirements definition, trade studies, design sensitivity, optimization studies, assembly, integration and testing.

Able to drive projects from concept through manufacturing and final operational test. Candidate must have proven expertise in CAD modeling, FEA simulation for thermal/structural, design for manufacturing and ensuring compliance with stringent AS9100 design standards. The Candidate must be able to work independently or within a multi-disciplined team environment.

Essential Functions:

  • Responsible for leading a multi-disciplinary Engineering Team through system requirements, design, analysis, test, hardware build, delivery and launch.
  • Defines and establishes the technical approach to meet assigned objectives. Including:
    • Mechanical Design: Experience with Precision Mechanisms, Opto-Mechanical Systems, GD&T (ASME Y14.5), Tolerance Analysis, Electro-Mechanical design, and motion systems.
    • Optical Sensors & Components: Experience with Lens Mounting, Alignment Strategies, Focus Systems, and Laser System Integration.
    • Simulation & Analysis: FEA (Ansys), Thermal-Structural Analysis, Modal Analysis.
    • Prototyping & Manufacturing: Rapid Prototyping, Machining, Molding, Assembly, and Testing sometimes within an aggressive timeline.
    • Software: Experience with Siemens NX, or other high-end integrated CAD/CAM package, and Ansys Zemax optical design and simulation software or similar. 
  • Develops and performs testing to show proof-of-concept and/or qualification of new designs.
  • Prepares reports, formal documentation and presentation materials summarizing analysis results and present results to both external and internal groups, including leadership and customers.
  • Must be able to obtain and maintain a Top Secret security clearance.

Qualifications:

  • Bachelor's degree in engineering, physics, or a related field and 6 years opto-mechanical systems experience or Master's degree and 4 years of experience.  In lieu of degree, 10 years of mechanical engineering experience.
  • Experience in the design and sustainment of complex opto-mechanical systems.
  • Designed or optimized complex opto-mechanical sub-assemblies for imaging systems.
  • Experience performing advanced FEA on precision components, enhancing structural integrity and reducing failure rates.
  • Experience with selected, integrated, and aligned high-precision optical sensors with tolerance.

Preferred Additional Skills:

  • Strong knowledge of electro-optical principles and image sciences.
  • Proficiency in analyzing and interpreting infrared imagery and data.
  • Familiarity with maintenance and sustainment practices for complex systems.
  • Proficiency in design and 3D modeling of solids, surfaces, and assemblies (primary CAD tool will be Siemens NX)
  • Drafted detailed drawings with GD&T, collaborating with vendors for custom fabrication. 
  • Proficiency in tolerance stack-up analysis for mechanical designs.

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.

About L3 Harris

L3 Harris

L3 Harris is one of the largest defense and aerospace companies in the United States, delivering advanced technologies that support missions across air, land, sea, space, and cyber domains. The company develops communications systems, space payloads, intelligence platforms, electronic warfare capabilities, missile defense technologies, and mission-critical sensors used by the U.S. military, intelligence community, and allied nations around the world.

For job seekers, L3Harris offers opportunities across engineering, software development, cybersecurity, space systems, manufacturing, intelligence, program management, and mission operations. The company is especially attractive to veterans, cleared professionals, and engineers who want to work on advanced technologies that directly support national security. With programs spanning tactical communications, ISR platforms, satellite systems, and defense electronics, employees have the opportunity to contribute to some of the military’s most important capabilities.

Unlike companies focused on a single mission area, L3Harris operates across a diverse portfolio of defense technologies, providing employees exposure to a broad range of programs and technical disciplines. Teams work on everything from secure communications and autonomous systems to space-based sensors and electronic warfare platforms, creating opportunities for both specialization and long-term career growth within the organization.

As governments continue investing in modernization, space capabilities, resilient communications, and advanced sensing technologies, L3Harris remains one of the most important employers in the defense industry. For professionals seeking a mission-driven career with strong growth opportunities, technical challenges, and direct impact on global security, L3Harris continues to stand out as a leading destination in aerospace and defense.

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