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Position Title: Junior MBSE Modeler

Location: Redstone Arsenal, Huntsville, AL

Relocation Assistance: None available at this time

Remote/Telework: NO - Not available for this position

Clearance Type: DoW Secret

Shift: Day shift

Travel Required: Up to 10% of the time

Description of Duties:

The Junior MBSE Modeler supports the system requirements, design, analysis, verification, and validation activities for Defensive Cyber Operations (DCO) systems for the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract. Working under the guidance of senior engineers and cyber warfare officers, this role is critical to building and sustaining the authoritative source of truth for DCO system architectures. The Junior MBSE Modeler leverages digital engineering principles to create, manage, and maintain digital models that support the secure implementation of the Department of Defense Information Network (DODIN) and active/passive cyberspace defense operations.

Digital Modeling & Architecture:

• Assist in the formalized application of modeling to support the conceptual design and development of DCO systems [DoDI 5000.97, "Digital Engineering," December 21, 2023](gs://genai-mil-gemini-docs/DoDI 5000.97.pdf).
• Develop and maintain SysML (or similar) models depicting system structure, behavior, and requirements.

Artifact Generation:

• Dynamically generate digital artifacts directly from digital models to visualize and communicate system design to stakeholders.
  • Examples include data flow diagrams, design specifications, and interface management documents [DoDI 5000.97, "Digital Engineering," December 21, 2023](gs://genai-mil-gemini-docs/DoDI 5000.97.pdf).

Requirements Traceability:

• Assist in translating operational cyber defense requirements into architectural and technical solutions.
• Ensure that models provide traceability as the system evolves throughout the system life cycle.

DCO Integration:

• Collaborate with Defensive Cyberspace Warfare Officers and network defenders to accurately map and model cyber threats, operational networks, and cyberspace defense mechanisms da-pam-600-3-cyber-branch-fy25.

Configuration Management:

• Participate in the configuration management of models to ensure version control and the integrity of the digital engineering ecosystem.

The successful candidate will:

• Have strong analytical, problem-solving, and communication skills to effectively collaborate across multidisciplinary teams.

Resumes, in month and year format, must be submitted with application in order to be considered for the position. The selected candidate may be assigned as an employee for one of our teammate companies.

Basic Requirements:

• Must have 4, or more, years of general (full-time) work experience
  • May be reduced with completion of advanced education
• Must have 2, or more, years of directly related professional or academic experience in systems engineering, systems architecture, or software development.
• Must be familiar with Model-Based Systems Engineering (MBSE) concepts, methodologies, and frameworks.
• Must have a basic proficiency in modeling languages such as Systems Modeling Language (SysML) or Unified Modeling Language (UML).
• Must have introductory experience with standard MBSE tools (e.g., Cameo Systems Modeler, Sparx Enterprise Architect, or IBM Rhapsody).
• Must have an understanding of basic cyberspace operations, network architecture, and defensive cybersecurity principles.
• Must have an active DoW Secret Security Clearance

Desired Requirements:

• Have a bachelor's degree, or higher, in Systems Engineering, Computer Science, Cybersecurity, Information Systems, or a related technical discipline.
• Have 1, or more, relevant certifications in Systems Engineering (e.g., INCOSE ASEP) or Cybersecurity (e.g., CompTIA Security+, CISSP).

This position will be posted for a minimum of 3 days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.

Compensation Details:

$110,000 - $120,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

08/25/2026 - 09/03/2026

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language atLabor Laws Posters.