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Wilmington - Lead, Mechanical Engineer (Opto-Mechanical)

Wilmington, Massachusetts

Job ID SAS20222505-82959
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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: Experienced
  • Location: On Site
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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

  • Health

    • Medical with a High Deductible and traditional PPO plan options, as well as, vision and a full array of supplemental health benefits
    • A doctors' service to help with referrals and second opinions for you, your family, and parents

  • Family

    • 4 weeks of paid parental leave for moms and dads
    • Fertility treatment
    • Subsidized backup childcare and eldercare
    • Adoption assistance - $5,000 per adoption/$15,000 per employee
    • Pet insurance

  • Well-Being

    • No cap to your PTO time (for exempt employees)
    • Dress for your day - wear what works for you at work
    • Legal plan for you, your family, and parents
    • Discount platform
    • 9/80 work schedule available for most U.S. employees, effective October 24, 2022.

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 space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.


Job Title: Lead, Mechanical Engineer

Job Code: SAS20222505-82959

Job Location: Wilmington, MA

Job Description:

Design and development of space-based structures, mechanisms, and/or mechanical support equipment often with interfaces to precision optomechanical systems for spacecraft payloads. Responsibilities include completing mechanical performance, manufacturing, and reliability assessments, mechanical architecture definition, and technical specification and interface control drawing development with supporting trade studies. Trade studies include consideration for feasibility of design within time and cost constraints. Technical activities include documentation of recommendations for presentation, review, and approval. Activities also include developing design concepts, supporting drawing creation, assigning and evaluating tolerances, and driving drawing releases. Job duties may include leading small cross-functional teams of engineers and designers in accomplishing the above assignments. Responsibilities may include investigating solutions to product or process problems.

Essential Functions:

  • Applicable experience in optomechanical and/or mechanism design
  • Strong knowledge and experience with mechanical design (including Y14.5 GD&T), tolerancing, and analysis
  • Knowledge and experience with broad project management of complex projects or processes with general oversight. Experience may range from concept development through procurement and design qualification.
  • Mechanical requirements management experience including work with requirements flow downs to specifications and interface definition and compliance verification
  • Leadership of small to mid-sized cross-functional design teams for space-based mechanical structures and mechanisms, or mechanical ground support equipment
  • Ability to oversee suppliers, including technical oversight and mechanical ICD/specification development
  • Strong communication skills (verbal and written) for internal and external presentations and reviews. Communication includes within and outside of own function to gain cooperation on operational processes, practices, and procedures.
  • Candidate must be a good team player, contributor, and self-starter


  • Bachelor’s degree and minimum of 9 years of prior relevant experience. Graduate degree and a minimum of 7 years of prior related experience.

Preferred Additional Skills:

  • Secret clearance or higher
  • Experience in an aerospace and/or optics environment
  • Understanding of space-based optical system design
  • For optomechanical roles: Experience with flexures, kinematic mounts, adhesive bonding of optics, optical coatings, composite materials for optical benches, & material selection
  • For mechanism roles: Experience with bearing selection and analysis, flexures, motor selection, feedback control sensors, torque margin, material selection, cable/wire management in a space environment, launch locks, & AIAA S-114A-2020/NASA-STD-5017A; experience with feedback control and motor electronics
  • Excellent problem-solving skills
  • CAD experience, especially Inventor
  • Strong analytical skills with emphasis on using and/or directing finite element analysis (FEA) desired

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.

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