Skip to main content

Senior Specialist, Mechanical Engineer (Simi Valley)

Simi Valley, California

Job ID 9055
Apply Now

L3Harris is dedicated to recruiting and developing diverse, 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 Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 50,000 employees, with customers in more than 100 countries.

Job Title: Senior Specialist, Mechanical Engineer

Job Code: 9055

Job Location: Simi Valley, California

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

Job Description:

The Senior Specialist, Mechanical Engineer can expect to work within customer specifications to design various size positioners and antenna systems. Also, this engineer will be responsible for performing mechanical analysis of the systems being designed. 

Essential Functions:

  • Performs mechanical and dimensional analysis of the systems designed.
  • Primary area of expertise shall be in the design of rotating mechanisms and packaging of electro-mechanical, electrical, and microwave components.
  • Documents design, detail, and manufacturing of finished products.
  • Presents mechanical design and status information to management and customers.
  • Design, analysis, and documentation of moving and rotating machine design components along with traditional structural analysis and FEA analysis is required.
  • Follows progression of projects from concept through design and detail of fabrication, and assembly drawings to manufacturing, and assembly of the finished products.
  • Supports writing proposals for any antenna procurements to customer requirement specifications, provides supporting analysis, and presents the resulting data and design at customer reviews.


  • 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.
  • Proven CAD experience, particularly in Solidworks/PDM.
  • Proficiency in ASME Y14.5M-1994 and Geometric Dimensioning and Tolerancing (GD&T) standards.

Preferred Additional Skills:

  • Ability to analyze mechanical structures, gear trains, bearings, and composite structures is required. 
  • Must be able to follow project from concept through design,  detail, and manufacturing of finished products.
  • Proposal writing to customer requirement specifications is required.
  • Analysis experience in ANSYS Mechanical, Solidworks Flow and Solidworks Simulation
  • CAD experience in Creo and AutoCAD
  • Travel up to 10% of the time may be required.

In compliance with pay transparency requirements, the salary range for this role in California, the salary range for this role is $97,500 - $181,500. 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.

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 résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, 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 proud to be an Affirmative Action/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.

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.

Apply Now

Join Our Talent Community

Sign up for job alerts and be the first to know about our job openings.

Select a job category and location, then click "Add" for each saved search. Finally, click "Sign Up" to create your job alert.

Interested In

  • Engineering, Simi Valley, California, United StatesRemove

Upload Resume (Optional)

Recently Viewed Jobs

View All Jobs

Saved Jobs

You have not saved any jobs.

View All Jobs

Awards and Recognition

Indeed Better Work Awards - 2023
Fortune 2022 - World's Most Admired Companies
2022 Bloomberg Gender Reporting Framework
Top HBCU Supporters
CEO Action
Catalyst CEO
Handshake Early Talent Award
WayUp 100 Top Internship Programs Award
2022 Readers Choice Top 50 Employers
2023 Best Employers for Veterans
2022 DEI Best Place to Work For Disability Inclusion
2022 Top 50 Employer Careers and the disABLED
Catalyst Logo
2023 Hamilton Niagara's Top Employers
Americas Best Large Employers
Americas Greatest Workplaces 2023 Diversity