Principal/Sr. Principal Systems Engineer

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. At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to enable strategic planning. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we’ll support yours of expanding your personal network and developing skills, whether you are new to the field, or an industry thought leader. At Northrop Grumman, you’ll have the resources, support, and team to do some of the best work of your career. Roles and Responsibilities: The Systems Engineer will perform technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. This requisition is open as a dual level opportunity. We will consider candidates at a level 3 or level 4: Basic Qualifications: Level 3: Bachelor of Science degree in a Science, Technology, Engineering, or Math (STEM) discipline and 5 years of related experience, or a Master of Science degree in a STEM discipline and 3 years of related experience, OR 9 years of experience in lieu of degree. Level 4: Bachelor of Science degree in a Science, Technology, Engineering, or Math (STEM) discipline and 9 years of related experience, or a Master of Science degree in a STEM discipline and 7 years of related experience, OR 13 years of experience in lieu of degree. Active DoD Secret security clearance investigated within the last 5 years. Experience with Requirements Derivation Ability to think critically, assess system design and (with or without domain knowledge) use general logical thought to question decisions being made, assess if design meets requirements, or make decisions on what should be acceptable evidence for a requirement Experience with DOORS Experience with Interface Control Document development Experience developing and maintaining comprehensive test plans Experience with system functional and non-functional testing Experience translating both business and technical requirements into testable scenarios Experience documenting processes and procedures Hands on experience developing and performing real-time executable mission plans Preferred Qualifications: Experience working on Agile programs and methodology Working knowledge of Linux, network security, application security, security assessments/testing, industry, and DoD security best practices Experience providing development and enhancement of security engineering inputs to systems engineering documentation, security authorization packages, and research & development reports Experience with automated testing frameworks such as Eggplant and Microsoft Testing Framework Familiarity with Model Based Systems Engineering (MBSE)