The Digital Engineering / MBSE Engineer develops and implements innovative models, simulations, and analysis, and supports the development, integration, and sustainment of model-based systems engineering (MBSE) solutions and digital engineering information for the Property Screening portfolio within the Transportation Security Administration (TSA) Security Capabilities Portfolio Management (SCPM) organization under the Systems Engineering and Technical Assistance (SETA) task order. This position connects requirements, system architecture, behavior, interfaces, and verification information through structured models so engineering teams can examine alternatives, identify inconsistencies, and understand the effects of proposed changes. Models inform Government decisions but do not establish Government approval or substitute for independent test evidence.
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
The ability to obtain, maintain and access classified information at the client level. U.S. Citizenship is required
Hands-on experience developing and maintaining systems models using a structured modeling method
Experience with requirements traceability, architecture or behavior modeling, and model quality reviews
Knowledgeable in the analysis of user needs, documentation of requirements, and translation into proper system requirement specifications
Experience with Cameo, Systems Modeling Language (SysML), ProModel, or comparable tools is desired
Exceptional analytical, problem-solving and critical thinking skills
Ability to clearly and concisely communicate / explain technical information to a broad range of people with varying levels of technical expertise
Ability to work both independently and in a team environment
KEY DUTIES AND RESPONSIBILITIES
Essential duties and responsibilities include the following. Other duties may be assigned.
Uses the application of a standardized, rigorous, structured methodology to create and validate models representing operational activities, requirements, system structure, behavior, and interfaces.
Uses models and simulations, either statically or over time, to develop data as a basis for alternatives assessments, integration planning, performance analysis, and scenario evaluation.
Facilitates requirements development by working with engineering and program stakeholders to define modeling objectives, intended uses, analytical questions, scope, and level of detail.
Designs, develops, and integrates models and supporting technologies using approved information from technical documents, requirements repositories, and engineering records.
Establishes traceability among operational needs, requirements, architecture elements, interfaces, and verification information.
Provides independent verification and validation (IV&V) of models by checking syntax, consistency, completeness, and suitability for intended use, and documents discrepancies with available technical evidence.
Provides modeling and simulation (M&S) design, development, and lifecycle support, including model versions, review records, modeling conventions, reusable patterns, and repository or build guides.
Provides data and functional integration analysis to assess how proposed requirement or design changes affect related model elements and linked technical information.
Documents models, assumptions, interfaces, source information, analysis methods, limitations, and technical recommendations so other engineers can understand and reproduce the work.
Evaluates emerging engineering approaches, supports alignment with technical standards, and applies advanced analytics, machine learning, or artificial intelligence where assigned and approved to improve system analysis and decision support.
Prepares model views, technical demonstrations, briefing materials, and accessible exports for engineering and program audiences; incorporates Government comments within five (5) business days.
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
Skills Required
- Bachelor's degree and a minimum of three years of related experience, or an equivalent combination of education and experience
- Appropriate level of certifications as required by the contract
- Ability to obtain and maintain the required customer clearance for access to systems, facilities, equipment, and property
Canadian National Railway Company Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Canadian National Railway Company and has not been reviewed or approved by Canadian National Railway Company.
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Fair & Transparent Compensation — Pay is considered good or excellent across many roles, with some operating positions offering high earnings even without post-secondary credentials. Compensation is widely seen as a core strength relative to the demanding nature of the work.
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Retirement Support — Pension and retirement savings programs are notable strengths within the offering. These elements add meaningful long-term value to total compensation.
Canadian National Railway Company Insights
What We Do
Canadian National Railway Co. engages in rail and related transportation business. Its services include rail, intermodal, trucking, supply chain services, business development, and maps & network. Its offers their services in automotive, coal, fertilizer, food & beverages, forest products, dimensional loads, grain, metals & minerals, and petroleum & chemicals industries.








