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Lead, Systems Engineer (Model Based Systems Engineer)

Melbourne, Florida

Job ID 11097
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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 with the L3Harris's engineering team, 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
  • Glassdoor Reviews and Company Rating

Success Profile

What makes a successful Systems Engineer at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Analytical
  • Collaborative
  • Leader
  • Problem Solver
  • Strategic
  • Technical


Flexible work schedule, paid overtime, cool technology, no micromanagement, nice campus, fun co-workers

Systems 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 50,000 employees, with customers in more than 100 countries.

Job Title: Lead, Systems Engineer (Model Based Systems Engineer) 
Job Code: 11097
Job Location:Melbourne, FL 

Job Description:

L3Harris Technologies is seeking a Lead Model Based Systems Engineer with a background in modeling large-scale high availability networks in support of Air Navigation Service Provider Programs as well as large complex DoD networks. This MBSE leader will work across function teams to design, develope, update, and analize SysML models for various systems an sub-stystems focusing on component interface modeling and systems integration.

Essential Functions:

  • Perform initial system analysis, including scope definition, problem analysis, requirements gathering and development
  • Design and develop architecture data models including data gathering, SysML diagram, activity diagram, and sequence diagram development
  • Model systems using UML, SysML, and UPDM modeling languages
  • Develop SySML models utilizing all nine diagram types
  • Support customer meetings, data gathering activities, and site visits where applicable.
  • Create custom output reports for the customer using software scripts to automatically pull information from the model
  • Develop SySML models for a network communication centric organization
  • Collaborate by use of expert communication/interpersonal skills to work effectively in both a team environment and independently
  • Mentor junior level modeling engineers
  • Other duties as assigned


  • Bachelor’s Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
  • 5 years experience with Model Based Systems Engineering and/or SysML applications and tools such as MagicDraw® and/or IBM Rhapsody®
  • 4 years experience across various phases of the Systems Development Life Cycle (SDLC) including but not limited to requirement analysis, design, development and testing, implementation, documentation, and evaluation
  • Active DoD Top Secret security clearance.

Preferred Additional Skills:

  • General knowledge of:
    • ServiceNow digital workflows
    • Cloud-Based technologies such as VMWare® / AWS (Amazon® Web Services)
    • Software-defined wide area network (SD-WAN)
    • Zero-trust networking based security models
  • INCOSE®  Systems Engineering Professional (SEP) certification
  • Familiarity and demonstrated experience writing software scripts used in Cameo Systems Modeler.
  • Experience using Cameo Systems Modeler tool suite to include Teamwork Clould.
  • An understanding of current/future military systems architectures.
  • Excellent oral and written communication skills.
  • Strong problem solving abilities, a proactive attitude, and an attention to detail.
  • Able to work remotely as needed with little supervision.
  • Experience in presenting and demonstrating MBSE modeling to potential customers.
  • Experience in presenting and demonstrating MBSE models during technical exchange meeting with stakeholders.
  • Able to perform operational analysis to define and decompose stragegic and tactical mission needs in sysml standard formats and viewpoints.
  • Able to perform architecture analysis to define and decompose platforms and systems into progressively granular levels of detail.
  • Significant experience and understanding regarding all 9 SySML diagram types.
  • Optional prior exposure or hands on experience with Innoslate, or IBM’s Rational product suite (Rhapsody and DOORS) to model using UML and SysML.
  • Able to perform requirements analysis to assess operational needs against candidate architectures to develop performance, functional, and interface requirements for various platforms, systems, and operations at multiple levels of detail.


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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