Principal Engineer Systems/Sr Principal Engineer Systems AHT - INF/MBSE

Relocation assistance may be available. Active Secret security clearance required to start. Travel required: 10% of the time.

About the role

Northrop Grumman Defense Systems (NGDS) is seeking a Principal Systems Engineer or Sr Principal Systems Engineer to join the Embedded Infrastructure Team supporting the development of mission-critical defense systems. This role bridges systems engineering, embedded software, and Model-Based Systems Engineering (MBSE) to define, develop, integrate, and verify embedded computing platforms that enable next-generation capabilities. The successful candidate will collaborate across software, hardware, cybersecurity, specialty engineering, and program leadership to develop digital engineering solutions and ensure robust system performance throughout the system lifecycle.

Responsibilities

• Develop and manage system architectures, requirements, interfaces, and verification strategies using MBSE methodologies.
• Create and maintain SysML models using Cameo Systems Modeler (or equivalent MBSE tools).
• Collaborate with embedded software developers to ensure system architectures are effectively implemented.
• Define software and hardware interface requirements for embedded computing environments.
• Support digital engineering initiatives through model-based analysis, architecture development, and requirements traceability.
• Develop system verification and validation plans while ensuring complete requirements coverage.
• Partner with software, hardware, cybersecurity, reliability, system safety, and integration teams to resolve technical issues.
• Support Agile development using JIRA, Confluence, and configuration management tools.
• Participate in technical reviews including SRR, PDR, CDR, TRR, and SVR.
• Evaluate technical risk and recommend mitigation strategies.
• Mentor junior systems engineering best practices.

Requirements

• Principal Engineer Systems (Level 3): 5 years with Bachelors in Science; 3 years with Masters; 1 year with PhD.
• Sr Principal Engineer Systems (Level 4): 8 years with Bachelors in Science; 6 years with Masters or 3 years with PhD.
• Experience developing systems engineering products across the full system lifecycle.
• Experience supporting embedded software or embedded computing platforms.
• Experience with Model-Based Systems Engineering (MBSE).
• Experience using SysML and Cameo System Modeler (or similar modeling tools).
• Understanding of software architecture, software integration, and interface development.
• Familiarity with requirements management tools.
• Experience working within Agile software development teams.
• Active Secret security clearance required to start.

Preferred Qualifications

• Digital Engineering experience.
• Embedded Linux or Real-Time Operating System (RTOS) knowledge.
• Software development experience using C++, Python, or Java.
• Experience with Git, GitLab, Jenkins, or CI/CD pipelines.

Pay

Primary Level Salary Range: $108,800.00 - $163,200.00. Secondary Level Salary Range: $135,800.00 - $203,600.00. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills, and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives.

Benefits

• Health insurance coverage.
• Life and disability insurance.
• Savings plan.
• Company-paid holidays and paid time off (PTO) for vacation and/or personal business.