Systems Engineer - Level 3

Company: Northrop Grumman
Location: Huntsville
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description 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 Space Systems is seeking a Principal Systems Engineer (Level 3) to support the Systems Engineering & Integration Team (SE&IT) program. We are excited for you to join our team of qualified and diverse individuals. Our domain provides rewarding work that contributes to the latest advancements being made in the missile defense industry. The position is in Huntsville, AL. Position Overview: The selected Principal Systems Engineer responsibilities will include the support of the SE&IT program as an individual contributor/task lead on the (SC&R) System Concepts & Requirements and Interface team. This role is responsible for developing systems engineering products that directly support the development and definition of the Missile Defense System Specification on behalf of the Missile Defense Agency (MDA). Essential Functions: Perform model-based systems engineering (MBSE) functional and behavior analysis for the defeat of conventional and advanced Threats (e.g., ballistic, aero-maneuvering, hypersonic, hyper-glide, countermeasures, etc.) systems within the Missile Defense Agency’s (MDA) mission area. Participate in a MBSE environment to develop system-of-systems requirements via system/component trade studies and analysis. Contributes to publishing change notices to MDA’s system specification and update of requirements databases, architectural models, interface definitions, and DoDAF 2 compliant based design packages to document, allocate and trace system and Element level requirements. Document analysis results in reports and briefings for critique and review by SC&R and National Team stakeholders. Create and present briefings within the team and to Missile Defense Agency (MDA) and supporting stakeholders. Duties will include leading small teams of engineers in the development of products. The position is in Huntsville, AL and is located on a customer site at the Boeing Jetplex facility. The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/team settings across all levels. Basic Qualifications: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 5 years of related experience, or a Master's Degree and 3 years of related experience, or 1 years of related experience with a PhD. Strong prior experience with use of MSOSA (Cameo) and DOORS. Must demonstrate a strong technical background in architecture development, functional decomposition, requirements development and allocation, and interface definition with system-modelling tools. Must be able to demonstrate knowledge of MBSE and the use of SysML to describe behaviors of a complex DoD system. Must demonstrate ability to think critically and capture concepts in papers, presentations, and discussions. Must possess good communication skills. Capable of working both independently and within a small team environment. The successful candidate must also be willing to assume a technical leadership role at times. Ability and willingness to work on a customer site. Ability and willingness to travel up to 10% of the time. Applicants must have a current active in-scope U.S. Government DoD issued Secret security clearance at the time of application which is required to start. Preferred Qualifications: Demonstrated experience modeling or simulating missile defense applications or similar domains (air combat, air defense, intercept of ballistic targets, intercept of non-ballistic targets, space vehicles, sub-orbital mechanics, etc.). Knowledge of ballistic and advanced threat systems (e.g., aero-maneuvering, hypersonic, hyper-glide, countermeasures, etc.). Modeling and analysis experience in aspects of the missile defense system (e.g., Aegis Weapons Systems, Ground-based Midcourse Defense (GMD), Glide Phase Intercept (GPI), Hypersonic and Ballistic Tracking Space Sensor (HBTSS), Fire Control, C2BMC, MDS sensors (EO/IR/RF), kill vehicles, interceptors, countermeasures, etc.). Systems engineering experience with large, complex systems. Primary Level Salary Range: $105,400.00 - $158,000.00 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. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Keywords: Northrop Grumman, Decatur , Systems Engineer - Level 3, Engineering , Huntsville, Alabama