Principal Systems Engineer

Principal Systems Architect Engineer - MBSE CameoRELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.Northrop Grumman Aeronautics Systems has an opening for a Principal Systems Architect Engineer - MBSE Cameo to join our team of qualified, diverse individuals within our Systems Engineering organization. This role is located in El Segundo, CA or Redondo Beach, CA. Roles and Responsibilities will include:Functional-requirements development - Elicit, document, and prioritize system functional requirements.System-engineering decomposition - Translate functional requirements into hardware and software architectures; define clear interfaces.Cameo Systems Modeler production - Build Activity, Internal Block Diagram (IBD), and Block Definition Diagram (BDD) models; maintain model traceability and version control.Cyber-architecture support - Apply JSIG/NIST guidance to map cyber requirements onto system designs.Zero-Trust & IAM concepts - Contribute to Zero-Trust network and RBAC/IAM design documentation.Cloud-integration assistance - Support Azure (and optionally AWS/GCP) architecture teams with model-based representations of cloud services.Automation & IaC - Write lightweight Ansible/Terraform scripts or PowerShell modules to provision test environments referenced in models.CI/CD pipeline participation - Integrate model validation steps into build pipelines (e.g., model-to-code generation, automated consistency checks).Integration-test planning - Draft test plans, execute data-flow verification, and support real-time command validation.Documentation & Review - Produce architecture briefs, interface control documents (ICDs), and conduct peer reviews.Mentorship - Provide guidance to junior engineers on MBSE practices and Cameo tool usage.Basic Qualifications:Must have a Bachelors degree in a STEM field and at least 5 years of relevant military / professional experience, OR a Master's Degree in a STEM field and at least 3 years of relevant military / professional experience, OR a PhD and at least 1 year of relevant military / professional / academic experienceMust have an active US Government Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation).Must have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business needsMust have experience developing Activity, IBD, and BDD models; experience with model libraries and traceabilityMust have experience with cross-domain solutions, multi-level security (IL-4/5/6), and government-furnished hardware/software (GFX/GFE)Must have experience with NIST, JSIG, and US Government cyber-risk frameworksPreferred Qualifications:Experience with Azure, AWS GovCloud, or Google Cloud architecturesKnowledge of Zero-Trust, RBAC/IAM, and micro-segmentation conceptsProficiency in Ansible, Terraform, PowerShell, or Python for automationExposure to CI/CD tools (Azure DevOps, GitLab, Jenkins) and model-driven development pipelinesBackground in defense, aerospace, or missile systemsCertifications: Certified MBSE Professional, Azure Solutions Architect Associate, CISSP (or equivalent).Primary Level Salary Range: $114,000.00 - $171,000.00 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. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.