RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time This position is for a Sr Principal Systems Engineer to support the IFICS Data Terminal (IDT) product team on the Ground Based Mid-Course Defense (GMD) Weapon System (GWS) program. The candidate should have experience taking on progressively challenging responsibilities, demonstrating initiative, and driving innovative solutions. They should be recognized as a self-starter with a proven ability to lead teams, learn quickly, and deliver results in dynamic environments. This is not a telework/remote position Basic Qualifications: - Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related experience, or a Master's Degree and 5 years of related experience. - Strong prior experience with use of MSOSA (Cameo) and DOORS (Requirements decomposition). - Applicants must demonstrate a strong technical background in architecture development, functional decomposition, requirements development and allocation, and interface definition with system-modeling tools. - Applicants must have a strong background in MBSE (Model Based Systems Engineering) and the use of SysML to describe behaviors of a complex DoD system. - Capable of working both independently and within a small team environment. - Ability and willingness to travel up to 10% of the time to support business needs. - 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.). - Systems 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: $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. 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.