Principal Systems Engineer - Model Based System Engineering

in Plano, TX

Principal Systems Engineer - Model Based System Engineering Job

Job Description Job Attributes+

  • Job ID


  • Req #


  • Organization

    AS&T - Radar & Weapon Systems-21001080

  • Job Category


  • Job Location

    Plano, TX, US

  • Job Type


  • Clearance Level


  • Career Level


  • Schedule


  • Shift

    Day - 1st

  • Travel

    Yes, 10 % of the Time

  • Remote


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. We are searching for a Principal Systems Engineer with expertise in Model Based System Engineering (MBSE) in our Advanced Systems & Technologies (AS&T) division, located in Plano, TX.
Our AS&T division is built on the proposition that a small team of the right people can do what others will not even attempt. We specialize in developing disruptive, next-generation technologies for advanced small Unmanned Air Systems (UAS / UAV), advanced radar systems, next-generation weapon systems, and other RF sensor technologies using small company agility and big company experience. We’ve earned a reputation for providing vital warfighter solutions at a faster pace than traditional DoD contractors, so if you like the idea of hands-on experience designing, building, testing and fielding new technology at a fast pace and supporting the vital missions of our warfighters, then L3Harris AS&T may be the company for you.
As a Principal Systems Engineer specialized in MBSE, you will be responsible for leading Model Based Systems Engineering activities for a Systems Engineering team across a business area that focuses on radar/RF/sensors programs for our US warfighters.
You will demonstrate success by:
  • Counsel programs on the implementation of MBSE
  • Develop currently used processes and methodologies being utilized on programs for the development for systems models
  • Train new users, consumers, and leaders on model implementation and usage
  • Develop new processes, methodologies, and analysis methods to leverage off of existing MBSE Models
  • Develop the architecture for the integrated systems and test model
  • Oversee all modeling activities, set run rules for model development
  • Requirements definition, flow-down and traceability for complex electronic systems
  • System design synthesis of complex electronic systems
  • Perform trade studies on a variety of system issues and components
  • Present results during internal and external program meetings
  • Participate in proposal activities both cost and technical
  • Other duties as assigned
About L3Harris Technologies
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 $17 billion in annual revenue, 50,000 employees and customers in more than 130 countries.

Job Qualifications

  • Must be a U.S. citizen
  • Must have an existing DoD clearance with a current 5-year update; must be able to obtain additional clearances as required
  • Bachelor’s degree in Engineering or Science; Master’s degree is highly desired
  • 8 - 13 years of experience in a related engineering field with some systems engineering experience
  • Previous experience in an Model-Based System Engineering environment
  • Design, development and/or testing of radar and/or other RF system
  • Familiarity with radar system components including antenna, receiver, exciter, and processor
  • Requirements definition, flow-down and traceability
  • Defense industry experience
  • Working knowledge of military standards
  • Proficient with MBSE tools (Magic Draw or Rational Rhapsody)
  • Proficiency in SysML and DODAF/UPDM/UAF
  • Proficient with DOORS
  • Physical requirements include the ability to travel up to 10% and the ability to lift up to 20 lbs.


  • Familiarity with a variety of radar types and modes
  • Previous experience with guided weapons and/or weapon systems
  • Experience with the Atlassian tool suite, specifically Confluence
  • Proficient with MATLAB
  • EVMS
L3 Harris 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.

Additional Information

Who We Are

L3 is proud to employ more than 7,700 veterans of the U.S. military, helping them use their unique training and skills to meet our customers' needs.

Many of L3's top business leaders are former military personnel who provide critical insight and support for using L3's advanced technology and services to protect our country's freedoms.

Be part of our mission. be L3!

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