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Principal, Electrical Engineer - Precision Mechanisms

Wilmington, Massachusetts

Job ID SAS20212502-57194
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On the L3Harris team, your job is to secure the world. We don’t work here just for the advanced technology and equipment: We work here because we know what – and who – we’re protecting. From families to the intelligence community, and from our climate to our men and women in uniform – we’re making the world a safer place. Working in Software with L3Harris you'll join our team of qualified, diverse individuals and work in a fast-paced environment with high expectations, global scope, and a collaborative team setting.

  • Full Time
  • Level: Varies
  • Travel: None
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What makes a successful Engineer at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Innovative
  • Technical
  • Influential
  • Critical Thinker
  • Analytical
  • Detail Oriented


I love my job because every day there’s a new problem to tackle, a new skill to learn and an awesome team that has my back.

Heather S., Engineer

L3Harris Work Perks

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Job Description

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 air, land, sea, space and cyber domains. L3Harris has approximately $18 billion in annual revenue and 48,000 employees, with customers in more than 100 countries.


Job Title: Principal, Electrical Engineer - Precision Mechanisms
Job Code: SAS20212502-57194
Job Location: Wilmington, MA

We have an opportunity for a Prinicpal level Electrical Engineer to join our talented engineering organization.  Senior members of our design staff are technical leaders possessing expert understanding of aerospace electrical engineering and motion control technology for EO instruments and sub-assemblies. 

Essential Responsibilities

The scope of the position requires a proven track-record with a range of responsibilities from requirements definition, conceptual trades, design & analysis to procurement and integration & test of sensor systems including precision scanning mirror systems, EO mechanisms, EO calibration systems and cameras for the aerospace and commercial community.  Senior electrical engineers are responsible for leading engineering analysis and evaluation efforts of complex electrical systems, documenting design approaches, establishing design verification & validation, and developing plans to manufacture and test sensor systems and major sub-assemblies.  Additional responsibilities include new business proposals and IRAD support, Tiger Team involvement, customer/sub-contractor/supplier interface, and the development junior and mid-level level staff.


  • BS degree in Electrical Engineering
  • At least 12 years of experience in developing electronic systems for aerospace & military defense applications
  • Knowledge in sensor level and sub-assembly hardware design & development, analysis, integration, reliability, and risk mitigation for space-based environments
  • Experience in analog and digital design, servo design, motion control systems and precision mechanisms
  • Experience with high reliability aerospace programs and radiation-hardened environments
  • Experience generating cost & schedule plans and estimates

Preferred Additional Skills

  • MS degree in Electrical Engineering
  • Experience as a lead engineer, project engineer, or IPT lead
  • Experience supporting new business pursuits and writing technical proposals
  • Excellent oral, written and presentation skills for interfacing with senior management and customers as well as mentoring of associate engineers
  • Active Secret (or higher) security clearance and the ability to satisfy requirements for a TS/SCI (SSBI).

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.

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