Junior Systems Engineer (MBSE)

KBR Careers; Huntsville (AL); On-site; USD 85,000 - 125,000; Full time

Job summary

KBR is seeking an MBSE Systems Engineer to support a Department of War program, applying Model-Based Systems Engineering and digital engineering practices. The role covers model development, requirements traceability, and documentation across the systems engineering lifecycle.

Responsibilities include creating and updating architecture models, ensuring end-to-end traceability, and contributing to DoDAF-aligned processes while collaborating with senior engineers and stakeholders.

Qualifications

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Responsibilities

• Develop, maintain, and update system architecture models using SysML/UML.
• Support requirements engineering including capture, decomposition, allocation, validation, and traceability.
• Develop and refine architecture models to support analysis, design, and integration activities.
• Generate diagrams, reports, and artifacts for reviews and program deliverables.
• Assist with model configuration management and repositories using TeamWork Cloud.
• Support verification and validation activities ensuring traceability to requirements and test artifacts.
• Align models with DoDAF architecture frameworks and program processes.
• Collaborate with multidisciplinary teams to produce documentation and briefing materials.
• Contribute to digital engineering initiatives and lifecycle execution.

Skills

SysML modeling

Requirements engineering

Technical documentation

Education

Bachelor’s degree

Tools

Cameo Systems Modeler

Cameo Enterprise Architecture

MagicDraw

TeamWork Cloud

Jira

Azure DevOps

SharePoint

Microsoft Office

Job description

Job Summary

KBR is seeking an MBSE Systems Engineer to support a Department of War program utilizing Model-Based Systems Engineering methodologies and digital engineering practices.

Junior Systems Engineer (MBSE)

This position contributes to the development, maintenance, and analysis of system architecture models across the systems engineering lifecycle, supporting activities from requirements development through design, verification, and validation. Working within a collaborative engineering environment, the engineer will partner with senior systems engineers and technical stakeholders to develop model-based solutions that improve system understanding, traceability, and decision-making. The role supports architecture development, requirements engineering, and technical documentation while leveraging industry-standard MBSE tools and defense architecture frameworks. This position offers the opportunity to contribute to mission-critical defense programs while expanding expertise in SysML modeling, digital engineering, and systems integration.

Roles And Responsibilities

• Develop, maintain, and update system architecture models using SysML/UML within Cameo Systems Modeler and related modeling environments.
• Support requirements engineering activities including requirements capture, decomposition, allocation, validation, and end-to-end traceability throughout the systems lifecycle.
• Develop and refine functional, logical, and physical architecture models to support system analysis, design, and integration activities.
• Generate model views, diagrams, reports, and technical artifacts that support engineering reviews, design decisions, and program deliverables.
• Support model configuration management activities and maintain architecture repositories using TeamWork Cloud and established program governance processes.
• Assist with system verification and validation activities by ensuring traceability between requirements, architecture products, and test artifacts.
• Support alignment of system models, engineering products, and documentation with applicable Department of War architecture frameworks and program processes.
• Collaborate with multidisciplinary engineering teams to develop technical documentation, design descriptions, status reports, and briefing materials.
• Contribute to digital engineering initiatives and process improvements supporting model-based development and systems lifecycle execution.
• Other duties as assigned in support of mission and business requirements.

Basic Qualifications

• Active Secret security clearance or eligibility to obtain and maintain a Secret security clearance.
• Bachelor’s degree and 1–5 years of experience.

Preferred Qualifications

• Experience developing or maintaining SysML and UML models using Cameo Systems Modeler, Cameo Enterprise Architecture, MagicDraw, or comparable modeling tools.
• Experience producing technical documentation including specifications, architecture descriptions, design documentation, or engineering reports.
• Experience supporting requirements development, requirements traceability, system architecture development, verification, or validation activities.
• Experience supporting Department of War programs, acquisition programs, or defense system development efforts.
• Experience applying DoDAF or other architecture framework methodologies.
• Experience using TeamWork Cloud for collaborative model management and configuration control.
• Experience with PLM tools, Azure DevOps, Jira, SharePoint, and Microsoft Office applications.
• Exposure to Digital Engineering strategies, model-based analysis, and systems integration activities.
• Coursework, training, or certification related to MBSE, SysML, or systems architecture development.

Note: This position is contingent upon contract funding and formal program award. Employment offers extended under this requisition are conditional and subject to confirmation of award.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

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