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Senior Associate, Mechanical Engineering

L3HARRIS Technologies

Carlsbad, CA · Posted September 25, 2026

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About the job

Job Title: Senior Associate, Mechanical Engineering

Job Code: 42576

Job Location: Carlsbad, CA

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

Position Overview:

We're seeking a Mechanical Engineer Senior Associate to design, develop, and qualify mechanical systems within a collaborative team environment.

Your day-to-day work will center on 3D modeling, hardware deisgn documentation, analysis, integration and testing, while operating within a multidisciplinary team.

Essential Functions:

Assist in the development, integration, and operational support of modules and electronics for the Aerospace and/or Defense industries

Mechanical design in 3D CAD

Develop design documentation that includes drawings, specifications and data items that meet customer and military specifications

Prototype, Integrate, and Test component parts and assemblies

Assist with and generate report of stress, thermal, shock and vibration analysis using FEA software (ANSYS, etc.)

Develop test plans and procedures for mechanical subsystems

Perform test and evaluation of component parts and systems

Participate in peer reviews, PDRs, CDRs, and other required design reviews

Coordinate with manufacturing and quality engineering to ensure hardware is producible and inspectable.

Adhere to company processes for product development, configuration management, purchasing, etc.

Ability and willingness to travel (typically less than 30 days per year)

Qualifications:

Bachelor’s Degree and a minimum of 2 years of prior related experience. Graduate Degree or equivalent with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 6 years of prior related experience.

Preferred Additional Skills:

Experience in the design, development, and/or production of mechanical systems for the Aerospace and/or Defense industries.

Experience with analysis

Understanding of GD&T and ASME Y14.5

Experience with CAD tools and PLM systems.

Basic proficiency with Microsoft Office (Word, Outlook, Excel, PowerPoint)

Excellent written and oral communication skills

Demonstrated leadership, communication and interpersonal skills

Ability to obtain and maintain a DoD Secret clearance and access to U.S. Government/customer facilities.

In compliance with pay transparency requirements, the salary range for this role in California is $76,000 - $141,000. 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.

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