Senior MBSE Systems Engineer, Nuclear Systems

TRISO-X; Oak Ridge (TN); On-site; USD 189,000 - 213,000; Full time

Benefits offered by this job

401K plan with match

Medical/Dental/Vision Insurance

Life and Disability Insurance

Paid Time Off

Tuition Reimbursement/Professional Dev

Job summary

X-energy seeks a Sr. Systems Engineer to execute rigorous MBSE-driven processes for the design, integration, and management of complex nuclear systems. You will work within MBSE frameworks to verify requirements and maintain clear design decision documentation.

The role requires leading lifecycle activities, risk mitigation, and cross-disciplinary collaboration, with a strong emphasis on quality and stakeholder communication.

Qualifications

• Bachelor’s degree in industrial or systems engineering from ABET-accredited program.
• Experience with ISO 15288 and MBSE methodologies.
• Proficiency in MBSE tools and product lifecycle management systems.

Responsibilities

• Apply systems thinking and model-based approaches to design and analyze complex systems.
• Lead lifecycle activities: requirements, decomposition, interface management, and testing.
• Develop and maintain system behavior models using MBSE within PLM frameworks.
• Identify risks and develop mitigation strategies; participate in cost/feasibility analyses.
• Prepare engineering docs and communicate progress to stakeholders.
• Ensure adherence to quality assurance processes and cross-disciplinary integration.

Skills

System lifecycle processes

Operational analysis

Stakeholder analysis

Requirements management

System design & interfaces

Design integration & testing

Verification & validation

MBSE

MBSE tools & PLM

Systems modeling & simulation

Interface/control management

Risk assessment & management

Education

ABET-accredited engineering degree

Master’s degree in engineering

PhD in engineering

Tools

Teamcenter PLM

Cameo

Capella

Genesys

SysML

DOORS

Job description

X-energy seeks a Sr. Systems Engineer to execute rigorous MBSE-driven processes for the design, integration, and management of complex nuclear systems. You will work within MBSE frameworks to verify requirements and maintain clear design decision documentation.

The role requires leading lifecycle activities, risk mitigation, and cross-disciplinary collaboration, with a strong emphasis on quality and stakeholder communication.