MBSE Engineer

Chickasaw Nation Industries, Inc.; Fort Belvoir, Northern (VA, KY); Hybrid; USD 100,000 - 130,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k) Immediate Vesting

Professional Development Assistance

Job summary

Chickasaw Nation Industries, Inc. (CNI) seeks an MBSE Engineer to develop and maintain digital models representing architecture, requirements, behavior, interfaces, and dependencies for complex systems.

You will apply MBSE methodologies and SysML across lifecycle activities and collaborate with multi-domain teams to improve traceability and system-level decision making. The role supports concept development, design decisions, integration, and verification, delivering engineering artifacts and

Qualifications

• Requires a bachelor’s degree and a minimum of three years related experience.
• Must possess appropriate level of certifications as required by the contract.
• Must be able to obtain and maintain the required customer clearance for access to systems, facilities, equipment and property.

Responsibilities

• Develop, maintain, and manage system models using MBSE methodologies and SysML.
• Create and maintain system architecture models representing system structure, behavior, functions, interfaces, requirements, and dependencies.
• Develop SysML diagrams and models, including block definition, internal block, activity, sequence, state machine, requirement, use case, and parametric models.
• Translate customer, mission, and operational needs into structured system requirements and model elements.
• Establish and maintain traceability between requirements, system functions, architecture elements, interfaces, and verification activities.
• Support functional decomposition and allocation of system functions to subsystems and components.
• Model and analyze interfaces, data flows, system interactions, and dependencies across subsystems and external systems.
• Develop system architectures and digital engineering artifacts to support concept development, design decisions, integration, and system lifecycle activities.
• Support system‑level trade studies and technical analyses using system models to evaluate design alternatives and system behavior.
• Collaborate with systems, software, hardware, cybersecurity, network, integration, and test engineers to ensure models accurately represent the system.
• Support system integration, verification, and validation by using system models to identify requirements, interfaces, and relationships.
• Develop and maintain MBSE modeling standards, modeling conventions, reusable model elements, and architecture frameworks.
• Maintain model integrity, consistency, configuration, and version control throughout the system lifecycle.
• Identify inconsistencies, gaps, and conflicts within system requirements, architectures, interfaces, and models.
• Support technical reviews, architecture reviews, requirements reviews, design reviews, and customer technical interchange meetings.
• Generate technical documentation, architecture views, reports, and other engineering artifacts from system models.
• Support integration of MBSE models with requirements management, simulation, test, configuration management, and other engineering tools.
• Apply digital engineering and digital thread concepts to improve the management and exchange of engineering information.
• Support the implementation and adoption of MBSE processes, tools, and best practices across engineering teams.
• Automate modeling, analysis, reporting, or other engineering processes using scripting or programming languages when applicable.
• Ensure MBSE activities and deliverables comply with applicable customer requirements, industry standards, modeling practices, and program processes.

Skills

MBSE

SysML

Requirements traceability

System architecture

Modeling standards

Education

Bachelor's degree

Job description

The Model-Based Systems Engineering (MBSE) Engineer is responsible for developing and maintaining digital models that represent the architecture, requirements, behavior, interfaces, and relationships of complex systems. This role applies Model-Based Systems Engineering methodologies and SysML to support system architecture, requirements analysis, system design, integration, and verification throughout the system lifecycle. The MBSE Engineer collaborates with systems, software, hardware, cybersecurity, integration, and test teams to develop authoritative system models that improve technical communication, requirements traceability, design analysis, and system‑level decision‑making.

Chickasaw Nation Industries, Inc. serves as a holding company with multiple subsidiaries engaged in several lines of business (Business Services, Health, Infrastructure and Engineering, Mission Optimization, Technology and Transportation) for the federal government and commercial enterprises. A portion of our profits is used to support Chickasaw citizens. We are proud to support the economic development and long‑term viability of the Chickasaw Nation and its people. CNI offers premium benefits eligible on the first day of hire to full time employees; (Medical - Dental – Vision), Company Life Insurance, Short-Term and Long-Term Disability Insurance, 401(K) Immediate Vesting, Professional Development Assistance, Legal Aid Assistance Program, Family Planning / Fertility Assistance, Personal Time Off, and Observance of Federal Holidays.

As a federal contractor, CNI is a drug‑free workplace and adheres to the Federal Controlled Substance Act.

ESSENTIAL REQUIREMENTS

Mustpossessappropriate levelof certifications for this position as required by the contract.

Must be able to obtain and maintain the required customer clearance for access to systems, facilities, equipment and property.

ESSENTIAL DUTIES AND RESPONSIBILITIES

• Essentialduties and responsibilities include the following. Other duties may be assigned.
• Develop, maintain, and manage system models using MBSE methodologies and SysML.
• Create and maintain system architecture models representing system structure, behavior, functions, interfaces, requirements, and dependencies.
• Develop SysML diagrams and models, including block definition, internal block, activity, sequence, state machine, requirement, use case, and parametric models.
• Translate customer, mission, and operational needs into structured system requirements and model elements.
• Establish and maintain traceability between requirements, system functions, architecture elements, interfaces, and verification activities.
• Support functional decomposition and allocation of system functions to subsystems and components.
• Model and analyze interfaces, data flows, system interactions, and dependencies across subsystems and external systems.
• Develop system architectures and digital engineering artifacts to support concept development, design decisions, integration, and system lifecycle activities.
• Support system‑level trade studies and technical analyses using system models to evaluate design alternatives and system behavior.
• Collaborate with systems, software, hardware, cybersecurity, network, integration, and test engineers to ensure models accurately represent the system.
• Support system integration, verification, and validation by using system models to identify requirements, interfaces, and relationships.
• Develop and maintain MBSE modeling standards, modeling conventions, reusable model elements, and architecture frameworks.
• Maintain model integrity, consistency, configuration, and version control throughout the system lifecycle.
• Identify inconsistencies, gaps, and conflicts within system requirements, architectures, interfaces, and models.
• Support technical reviews, architecture reviews, requirements reviews, design reviews, and customer technical interchange meetings.
• Generate technical documentation, architecture views, reports, and other engineering artifacts from system models.
• Support integration of MBSE models with requirements management, simulation, test, configuration management, and other engineering tools.
• Apply digital engineering and digital thread concepts to improve the management and exchange of engineering information.
• Support the implementation and adoption of MBSE processes, tools, and best practices across engineering teams.
• Automate modeling, analysis, reporting, or other engineering processes using scripting or programming languages when applicable.
• Ensure MBSE activities and deliverables comply with applicable customer requirements, industry standards, modeling practices, and program processes.

EDUCATION AND EXPERIENCE

Requires abachelor'sdegree and a minimum ofthree (3)yearsrelated experience, or equivalent combination of education / experience.

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this job. Work is primarily performed in an office/warehouse setting. Regularly required to use hands to finger, handle, or feel. Regularly required to reach with hands and arms, occasionally above head. Regularly required to twist at the waist, climb and descend stairs while carrying objects. Ability to speak and hear. Frequently required to stand, walk, stoop, kneel, crouch or crawl. Occasionally required to sit and climb or balance. Regularly lifts and/or moves up to twenty-five pounds and occasionally lifts and/or moves up to fifty pounds. Works near moving mechanical parts. Regularly exposed to general office and general office machinery noise. May be exposed to warehouse, truck or forklift noise.

EOE including Disability/Vet

The estimated pay range for this role is $100,000 to $130,000, with the final offer contingent on location, skillset, and experience.

CNI offers a comprehensive benefits package that includes:

• Medical
• Vision
• 401(k)
• Family Planning/Fertility Assistance
• STD/LTD/Basic Life/AD&D
• Legal-Aid Program
• Employee Assistance Program (EAP)
• Training and Development Opportunities

Your application submission will be considered for all potential employment opportunities with Chickasaw Nation Industries (CNI).