Systems Engineer III - Model Systems Engineering; MBSE

At Sierra Nevada Corporation, we are committed to advancing aerospace and defense technologies, ensuring the safety of service members, and developing systems that keep our world united and sustain our way of living. Join our team as a Systems Engineer to conduct in-depth research, architect intricate system designs, create detailed models, simulate performance, rigorously test, certify, and optimize cutting‑edge defense products and services.

• Define and manage system architectures, interfaces, and requirements using MBSE tools
• Implement MBSE methodologies for the program
• Develop and maintain the system models using SysML to ensure design consistency, traceability, and integration across multiple programs
• Define and document system architecture requirements and ensure traceability to system models
• Collaborate with systems engineers, software developers, cybersecurity engineers, and system safety engineers to ensure that architecture design is reusable, scalable, and certifiable
• Assist with development of internal reference architecture
• Work closely with other programs to develop services and components, building system models that will represent system performance attributes so that key performance requirements can be tracked and analyzed through the program life‑cycle

• Bachelor’s of Science degree in Systems Engineering or related discipline and typically six or more years of relevant experience
• Higher education may substitute for relevant experience
• Practical knowledge of engineering principles and practices
• Experience working in multidisciplinary design and development teams
• Knowledge of requirements management, functional requirements parsing, derivation, and allocation; systems design, systems integration, technical risk identification and management strategies, and Verification and Validation (V&V) principles
• The ability to obtain and maintain a Top Secret U.S. Security Clearance is required

• Experience with requirements management and system modelling tools such as ENOVIA Requirements Management, DOORs, Cameo, Dymola, and MATLAB
• Practical knowledge of industry standard Systems Engineering design principles, including requirements management, traditional Systems Engineering, and Model-Based Systems Engineering (MBSE)
• Experience and certification in INCOSE standards (ASEP/CSEP)
• Background in the Aerospace and Defense Industry
• Ability to administer baseline definition and maturation in a complex development setting, including the use of high‑impact trade studies and other measures
• Exposure to establishing and tracking key Technical Performance Measurements (TPM)

SNC offers a generous benefit package, including medical, dental, and vision plans; 401(k) with 150% match up to 6%; life insurance; three weeks paid time off; tuition reimbursement; and more.

This position requires the ability to obtain and maintain a Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance.

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

We’re a global leader in aerospace and national security committed to moving the American Dream forward. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state‑of‑the‑art technologies that safeguard freedom, join our team!