MBSE Engineer
Company websitechickasaw.com (Chickasaw Nation Industries, opens in new tab)
Base salary $100K to $130K
Employer-published annual base salary, USD. Advertised base range in Fort Belvoir, VA
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationFort Belvoir, VA
- WorkplaceWorkplace not stated
- Status at last checkSource accepting applications when checked
- Last checked (1 h ago) · observed since
About this job
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
Must possess appropriate level of 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
- Essential duties 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, dependencies, and verification 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 a bachelor's degree and a minimum of three (3) years related 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
- Dental
- Vision
- 401(k)
- Family Planning/Fertility Assistance
- STD/LTD/Basic Life/AD&D
- Legal-Aid Program
- Employee Assistance Program (EAP)
- Paid Time Off (PTO) – (11) Federal Holidays
- Training and Development Opportunities
Your application submission will be considered for all potential employment opportunities with Chickasaw Nation Industries (CNI).
#INDCNI
Source: Chickasaw Nation Industries on Workday · View original posting (opens in new tab)
This listingMBSE Engineer$100K to $130K
Systems Administrator$100K to $130K
Acquisition Training Specialist V$107,400 to $130,000
Senior Security Engineer$110K to $150K
Information Systems Security Officer$115K to $145K
Financial Analyst IV$118,800 to $140,000
Information System Security Officer - Team Lead$120K to $150K
Chart as a table
| Role | Published base |
|---|---|
| MBSE Engineer (this listing) | $100K - $130K |
| Systems Administrator | $100K - $130K |
| Acquisition Training Specialist V | $107,400 - $130,000 |
| Senior Security Engineer | $110K - $150K |
| Information Systems Security Officer | $115K - $145K |
| Financial Analyst IV | $118,800 - $140,000 |
| Information System Security Officer - Team Lead | $120K - $150K |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-09-25
Where this pay comes from
Location as the employer wrote it: Fort Belvoir, VA
The estimated pay range for this role is $100,000 to $130,000, with the final offer contingent on location, skillset, and
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
