Sr. Principal Systems Engineer​/Principal Systems Engineer - 18305

Senior Principal/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.

Northrop Grumman Strategic Deterrent Systems Division is seeking a Senior Principal/Principal Systems Engineer. This position will be in Huntsville, AL, and supporting the Advanced Programs organization.

Primary Responsibilities:

• Decompose and allocate system requirements into detailed specifications, maintaining end-to-end traceability throughout the lifecycle.
• Develop functional architectures, use cases, and concepts of operations for cruise-missile subsystems, including model-based systems engineering artifacts (CAMEO, DOORS).
• Lead hardware-in-the-loop, developmental flight, and operational test integration, overseeing verification and validation of software and hardware components.
• Create and manage technical-maturation roadmaps and integration plans for the Technology Maturation and Risk Reduction (TMRR) phase.
• Identify, analyze, and mitigate program risks, producing risk-management plans and supporting decision-making.
• Facilitate cross-functional working groups and model-capability reviews, ensuring adherence to standards and processes.
• Produce key systems-engineering deliverables such as design reviews, trade studies, interface control documents, and requirements baselines.
• Contribute to proposal development, RFP/RFS responses, and Bases of Estimate for TMRR efforts.
• Act as a Systems Engineering liaison with internal teams, external partners, and customers, providing expertise and guidance.

Basic Qualifications:

• Principal Systems Engineer:
  Bachelors degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 5 years of relevant experience, OR a Masters degree and 3 years of relevant experience, OR a PhD and 1 years of relevant experience.
• Senior Principal Systems Engineer:
  Bachelor's Degree in a STEM discipline from an accredited university with 8 years of related experience, 6 years with Masters, 4 years with PhD
• Must have an active U.S. Government DoD Secret security clearance at time of application, current and within scope, with an investigation date within the last 6 years
• Must have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period, as determined by the company to meet its business needs
• 3+ (Principal) 5+ (Sr. Principal) years of experience assessing and managing program risks in a defense-acquisition environment.
• 3+ (Principal), 5+ (Sr. Principal) years of experience with DOORS and CAMEO and recent MBSE work including architecture development, functional decomposition, requirements development and allocation, and interface definition.

Preferred Qualifications:

• Active US Government Top Secret Clearance.
• CompTIA Security+ certification.
• 3+ (Principal) 5+ (Sr. Principal) years of experience with DoD weapon-system conceptual and preliminary design, particularly for test and integration.
• 3+ (Principal) 5+ (Sr. Principal) years of experience with Flight-test planning and development of test procedures for cruise-missile systems.
• Familiarity with Agile methodologies and Atlassian toolset (Jira, Confluence) for software development and integration.
• Recent requirements development and decomposition experience
• Specifically deriving requirements for supplier specifications
• Flight systems architecture development experience – In either the missile or unmanned aircraft domain
• System Requirements…