Demo

Model-Based Systems Engineer

The Marlin Alliance
San Diego, CA Full Time
POSTED ON 1/5/2026
AVAILABLE BEFORE 3/5/2026

The Marlin Alliance, Inc. is seeking a talented and experienced Model-Based Systems Engineer to join our team. The ideal candidate will have a strong background in MBSE principles, extensive knowledge of SysML and UML, and a minimum of 3 years of hands-on experience in applying MBSE methodologies. A Secret Clearance is required for this role.

Established in 2002, The Marlin Alliance is seeking to hire highly skilled individuals to support mission critical projects within the Navy. We are looking for motivated individuals to lead and support digital transformation, data science and analytics, and automation projects for variety of Navy clients. Individuals must be able to function in a fast-paced work environment and able to adapt quickly to rapidly changing requirements and technologies. Using your comprehensive knowledge of various technologies, you will design, develop, and implement solutions to support Navy mission owners in their digital transformation journey.

Location:

  • San Diego, CA
  • On site NAVWAR

Citizenship and Clearance requirements:

  • US Citizenship is required
  • No Dual Citizenship
  • Active Secret clearance required; TS SCI clearance highly preferred

Duties and Responsibilities:

  • Apply modeling to support a system or system of systems (SoS) requirements, design, analysis, verification, and validation activities throughout the acquisition lifecycle phases.
  • Manage/coordinate information and resources to meet digital thread-related objectives. Implement a model-based culture, leveraging capabilities of the digital enterprise environment infrastructure of the organization.
  • Utilize model data support to enable the creation of a digital thread across other engineering disciplines (e.g., cyber and configuration management)
  • MBSE Expertise: Apply Model-Based Systems Engineering (MBSE) principles and practices to define, design, and document complex systems and architectures using SysML and UML.
  • Systems Modeling: Develop, maintain, and update system models that capture system requirements, behaviors, and interactions, ensuring they are complete, accurate, and consistent.
  • Requirements Analysis: Collaborate with stakeholders to elicit, analyze, and manage system requirements, ensuring traceability and alignment with system models.
  • Architecture Development: Create and maintain system architecture models, ensuring they meet project objectives, standards, and performance requirements.
  • Verification and Validation: Use MBSE to support system verification and validation efforts, including test planning, test case development, and test execution.
  • Documentation: Generate clear and concise system documentation, including system design, interface specifications, and system integration plans.
  • Collaboration: Collaborate with multidisciplinary teams to ensure seamless integration of system models and engineering artifacts.
  • Training and Mentorship: Provide training and mentorship to junior engineers and team members on MBSE principles and tools.

Qualifications:

  • Bachelor’s degree in engineering, operations research, or other sciences where the utilization of advanced math skills is required (e.g. business, mathematics, statistics, and probability).
  • Minimum of 4 years of practical experience in Model-Based Systems Engineering (MBSE).
  • Experience with cross-platform collaborative MBSE/digital environments or equivalent (e.g., MagicDraw/Cameo Systems Modeler, Sparx System Enterprise Architect, Rational Rhapsody, System Architect, etc.), which provide tools to design, track, visualize, and analyze all aspects of systems in standard-compliant models and diagrams.
  • Knowledge of the Department of Defense Architecture Framework/Unified Architecture Framework (DoDAF/UAF).
  • Experience providing functional knowledge and technical support of developing enterprise architecture to support MBSE to the NOA Chief Engineer. This support shall include data structure supporting Systems Modeling Language (SySML) and development of integration with current data models and tools in use.
  • Experience tracking cybersecurity implementation across the acquisition lifecycle to make recommendations on cybersecurity risks and mitigations in support of IPTs, SETRs, Platform Technical Review Boards (PTRBs), Configuration Control Board (CCBs).
  • Experience developing engineering technical reports, analysis, briefings, and meeting minutes related to IATA responsibilities, SoS and Capability analysis, Cloud Security Development capabilities, Trusted Security and Networks (TSN) and Supply Chain Risk Management (SCRM), and Industrial Control System (ICS) and Supervisory Control and Data Acquisition (SCADA).
  • Experience tracking and documenting cybersecurity evaluations throughout the engineering, procurement, certification, and sustainment phases of acquisition (e.g., RMF, SETR, cyber risk to mission, and cybersecurity readiness).
  • Experience identifying risks associated with the development of enterprise architectures to address system of systems cybersecurity designs, maximizing common and inheritable security controls in support of a defense in depth strategy through the utilization of digital engineering methods for efforts in the RDT&E phase of the acquisition life cycle.

Preferred Qualifications:

  • Experience with MBSE tools such as Cameo Systems Modeler, MagicDraw, or similar.
  • Familiarity with DoDAF, UPDM, or related architecture frameworks.
  • Knowledge of system simulation and modeling tools (e.g., MATLAB/Simulink).
  • Understanding of software development and integration processes.
  • Certification in MBSE or related field is a plus.

Work Environment and Mental/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 position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions.

  • Typical office environment with no unusual hazards.
  • The noise level in the work environment is usually moderate.
  • Constant sitting while using the computer terminal.
  • Constant use of sight abilities while reviewing documents.
  • Constant use of speech/hearing abilities for communication.
  • Occasional reaching, stooping, kneeling, or crouching may be required.
  • Occasional lifting up to 20 pounds.
  • Constant use of mental alertness.
  • Frequent work under deadlines.

Job Classification:
Associate II
$85,000 - $150,000

Disclaimer:

This job description in no way states or implies that these are the only duties to be performed by the employee(s) incumbent in this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities.

To perform this job successfully, the incumbents will possess the skills, aptitudes, and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. The requirements listed in this document are the minimum levels of knowledge, skills, or abilities.

This document does not create an employment contract, implied or otherwise, other than an “at-will” relationship.

An Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities.

Salary : $85,000 - $150,000

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