Specialist, Model-Based Systems Engineer (MBSE)

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L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Specialist, Model-Based Systems Engineer (MBSE)

Job Code: 35073

Job Location: Melbourne, FL

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

Job Description:

L3 Harris Technologies Mission Networks Division is seeking a Senior Specialist, Model-Based Systems Engineer (MBSE), to support a funded, multi-year Internal Research and Development (IRAD) effort. This role supports the application of Agile Systems Engineering and SAFe-based practices to advance innovative solutions for commercial FAA-related mission-critical infrastructure and services. This candidate is Systems Engineer who leverages MBSE as an output of good Systems Engineering practices.

The selected candidate will lead the development, analysis, and maintenance of SysML-based system models, with emphasis on system architecture, interface definition, requirements traceability, and cross-disciplinary integration. This is an on-site position requiring hands-on proficiency with Cameo Systems Modeler and strong collaboration across software, security, test, and systems engineering teams.

Essential Functions:

• Perform system analysis activities including scope definition, problem analysis, requirements elicitation, and requirements development.
• Develop, maintain, and update SysML models to support system architecture, behavior, structure, interfaces, and integration.
• Create architecture and data models using SysML and related modeling frameworks, as appropriate.
• Produce model-derived outputs and reports, including artifacts such as CONOPS and other technical documentation.
• Support software-centric system development through model-based systems engineering methods and tools.
• Participate in Agile planning, reviews, and technical assessments across the system development lifecycle.
• Facilitate technical exchange meetings with stakeholders and support alignment of model content with program objectives.
• Collaborate across engineering disciplines and with internal and external stakeholders to ensure technical consistency, design quality, and mission alignment.
• Work closely with software, security, and test teams to maintain alignment between requirements, architecture, design, and verification activities.
• Contributes to the execution of the IRAD technical roadmap through disciplined model development and systems engineering rigor.
• Works under minimal supervision and is expected to operate independently within established technical objectives and program priorities.

• Other duties may be assigned.
• Ability to obtain US Security Clearance.

Qualifications:

• Bachelor’s Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.

Preferred Additional Skills:

• 5 years of direct experience in Model-Based Systems Engineering (MBSE) using SysML and Cameo Systems Modeler.
• 4 years of experience across multiple phases of the Systems Development Life Cycle (SDLC), including requirements analysis, design, development, integration, test, implementation, documentation, and evaluation.
• Experience developing and applying all nine SysML diagram types in support of system analysis and design.
• Experience using Cameo Systems Modeler tool suite, including Teamwork Cloud.
• Proficiency in scripting or automating functions within Cameo Systems Modeler.
• Experience generating model-based reports and technical outputs directly from MBSE environments.
• Familiarity with Unified Architecture Framework (UAF) or related architecture modeling frameworks.
• Knowledge of current and emerging FAA architecture and operating environments.
• Experience supporting operational analysis, architectural decomposition, and requirements development at multiple levels of detail.
• Experience with requirements management tools such as Jama Connect.
• Experience presenting MBSE approaches, models, and technical findings to customers and stakeholders during reviews and technical exchange meetings.
• Strong written and verbal communication skills.
• Strong analytical and problem-solving skills, with attention to detail and a proactive work ethic.
• Ability to work effectively both independently and in a collaborative team environment.
• Familiarity with INCOSE Systems Engineering Professional certification frameworks; CSEP knowledge or certification is a plus.

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L3Harris Technologies is proud to be an 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.

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.

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