Senior Associate, Mechanical Engineering
L3HARRIS Technologies
Carlsbad, CA · Posted September 25, 2026
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Where Carlsbad, CA ranks
Where Carlsbad, CA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #9Best cities for mid-career professionals in the West Coast61% · of 71
- #18Best cities for mid-career professionals61% · of 100
- #21Best cities for software and engineering jobs in the West Coast145 openings · of 60
- #24Cities with the most jobs that do not need a four-year degree in the West Coast31 jobs · of 47
- #24Cities where the biggest share of jobs do not need a four-year degree in the West Coast13% · 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
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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