Model-Based Systems Engineer

Remote from: USA
Salary, yearly, USD: 89,100 - 148,200
Department: Software Engineering
Employment type: Full Time,
Job posted: 25 Jun 2026
Apply before: 25 Jul 2026
Views / Applies: 200 / 58

ManTech delivers technology-driven innovation, develops game-changing solutions, and delivers mission-focused technologies for defense and federal civilian agencies.

Defense & Space
1968

Actively Hiring

AI Summary

MANTECH is seeking a Model-Based Systems Engineer to support the USMC contract remotely. The role involves developing digital engineering models, supporting MBSE technical discussions, and preparing systems engineering documentation. Candidates need a Bachelor's degree in a technical field and at least 3 years of MBSE experience, with familiarity in tools like Cameo and modeling languages such as SysML. An active DoD Secret clearance is required. This position offers a competitive salary range and the opportunity to contribute to defense technology.

Role DNA

Job Complexity

Easy Hard

Pace & Pressure

Relaxed Fast-paced

Autonomy Level

Guided Full Ownership

Communication Load

Independent Highly Collaborative

AI Insight The role requires specialized MBSE skills, a Secret clearance, and collaboration on multiple projects, indicating a high level of technical and professional challenge.

Salary Analysis

AI Insight The offered salary range of $89,100-$148,200 is competitive for a Model-Based Systems Engineer with the required experience and clearance, aligning well with market rates for similar roles in defense contracting.

Key Skills

Model-Based Systems Engineering Cameo Systems Modeler SysML UML Digital Engineering Secret Clearance Systems Engineering Technical Review MBSE Project Management Communication

Cover Letter Sample

Dear Hiring Manager,

I am writing to express my strong interest in the Model-Based Systems Engineer position at MANTECH. With a Bachelor's degree in Engineering and over 3 years of hands-on experience in MBSE using Cameo and SysML, I am confident in my ability to contribute to the USMC contract. My background includes developing digital engineering models and supporting systems engineering technical reviews, aligning perfectly with the responsibilities outlined.

I hold an active DoD Secret clearance and have a proven track record of collaborating on multi-project environments to deliver complex solutions. I am particularly drawn to MANTECH's legacy in defense technology and its mission to protect our nation.

Thank you for considering my application. I look forward to the opportunity to discuss how my skills can support your team.

Sincerely, [Your Name]

Possible Interview Questions

Can you describe your experience with Cameo System of Systems Architect and how you used it to develop digital engineering models?

I have used Cameo extensively in my previous role to create and maintain system models for a defense project. I developed use case diagrams, block definition diagrams, and parametric models to capture system requirements and architecture. I also integrated these models with requirements management tools to ensure traceability.

How do you approach collaborating with stakeholders to represent their interests in MBSE projects?

I start by understanding stakeholder needs through workshops and interviews. I then translate those needs into model elements using SysML, ensuring traceability back to requirements. Regular review sessions with stakeholders help validate the model and incorporate feedback iteratively.

Explain a time you supported a Systems Engineering Technical Review (SETR) event. What was your role?

In a previous project, I prepared the digital model and artifacts for a Preliminary Design Review (PDR). I ensured all system interfaces were defined, created simulation results, and presented key model views to the review board. I also documented action items and updated the model accordingly.

How do you manage multiple systems engineering projects simultaneously?

I prioritize tasks based on project milestones and deadlines, using tools like Jira for tracking. I communicate regularly with project leads to align expectations and proactively identify potential conflicts. Breaking down work into manageable chunks and leveraging reusable model components helps maintain efficiency.

With the remote nature of this role, how do you ensure effective communication and collaboration with your team?

I rely on daily stand-ups via video calls, collaborative tools like Slack and Teams, and shared repositories for model version control. I also schedule regular model walkthroughs and maintain documentation to ensure transparency. Clear and concise communication is key to overcoming remote challenges.

General information

Requisition #

R68873

Locations

USA-Remote Work

Posting Date

06/24/2026

Security Clearance Required

Secret

Remote Type

Fully Remote

Time Type

Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Model-Based Systems Engineer to join our USMC contract out of Quantico, VA. This is a remote position.

MANTECH is responsible for assisting our government customer and ensuring that material solutions developed or acquired by Marine Corps Systems Command (MCSC) are system engineered, integrated, interoperable, and certified to provide the warfighter with equipment required to accomplish their mission. To do that, MANTECH assists our customer to conduct the detailed systems engineering analysis, establishes technical policies and guidance across the Command, and manage the technical investigation and distributed planning required to deliver world class Marine Air Ground Task Force (MAGTF) systems capabilities to the warfighter.

Responsibilities include but are not limited to:

Support MBSE-related technical and strategy discussions.
Develop Digital Engineering Models and Marine Corps compliant systems engineering artifacts with Senior Engineer oversight.
Participate in multiple systems engineering projects and accurately represent stakeholder interests
Consolidate and report project status updates and issues.
Provide technical support to MBSE development projects, including communicating Systems Engineering Technical Review (SETR) events.
Prepare and maintain technical systems or program documentation, integrated master schedules, comment resolution matrices, presentations, and training material.
Plan, coordinate, and participate in MBSE meetings and events

Minimum Qualifications:

Bachelor’s Degree in a Scientific, Engineering, or Technical area and at least 3 years of related MBSE or Digital Engineering experience. An additional 2 years of experience may be substituted in lieu of degree.
Experience with Cameo System of Systems Architect or other MBSE tools
Familiarity with one or more of the following: UML, SysML, UAF, UPDM, BPMN, IDEF
Superior written and oral communication skills.
Ability to think critically, problem-solve, and influence others to achieve desired results for the project.
Capable of working collaboratively on multiple projects simultaneously

Preferred Qualifications:

Have knowledge of Marine Corps Systems Engineering Processes, including the relationship between MCSC and DC, CD&I.
Familiarity with the MCSC Acquisition Guidebook.
Knowledge of Marine Corps concepts, practices, procedures, systems and interfaces

Clearance Requirements:

Must have an active DoD Secret Clearance.

Physical Requirements:

The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication.

The projected compensation range for this position is $89,100.00-$148,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.

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