Principal/Sr Principal Engineer Systems-AHT

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

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes 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. Job Description: Northrop Grumman Defense Systems (NGDS) is looking for a Principal Engineer Systems or a Sr Principal Engineer Systems based out of Huntsville, Alabama for the IBCS Poland Integrated Battle Command System (IBCS). IBCS Poland Integrated Battle Command System is a revolutionary, network enabled command-and control system developed by Northrop Grumman that Poland has deployed to unify its air and missile defense sensors and shooters. IBCS Poland Integrated Battle Command System delivers a single integrated air picture with unprecedented accuracy and broadens surveillance and protection areas. By implementing IBCS Poland Integrated Battle Command System into their militaries, the US and other nations are transforming their integrated missile defense capabilities in a consistent manner The ideal candidate(s) will have experience in systems engineering lifecycle of missile / weapon system development program(s), functional analysis and systems trade studies for technical solutions with respect to concept, design, fabrication, test, installation, operation, and maintenance; Reviewing the SOW to generate and present data analysis using the results gathered to support internal and external stakeholder meetings. They will have technical knowledge in one or more of the subsystems of missile/weapon system, e.g., RF/sensors, guidance, command & control systems. This requisition may be filled based on qualifications listed below. Basic Qualifications: This requisition may be filled at either a Principal Systems Engineer – Level 3 or a Sr. Principal Systems Engineer – Level 4. • Basic Qualifications for Principal Systems Engineer – Level 3: Bachelor’s in a STEM (Science, Technology, Engineering, or Mathematics) discipline from an accredited university and 5 years of relevant work experience, or Master's Degree and 3 years of relevant work experience, or PhD with 1 year relevant work experience • Basic Qualifications for Sr. Principal Systems Engineer – Level 4: Bachelor’s in a STEM (Science, Technology, Engineering, or Mathematics) discipline from an accredited university and 8 years of relevant work experience, or Master's Degree and 6 years of relevant work experience, or PhD with 4 years relevant work experience • Active Secret Clearance to Start • Must have experience in SAFe Agile • Experience developing and updating interface definitions • Applicants must possess excellent communication and collaboration Skills • Applicants must demonstrate the ability to think critically and capture concepts and results in presentations • Must be able to support an in-person/ closed-area work environment • System analysis experience • Provide regular mentorship / leadership to teams on MBSE design best-practices and “systems thinking” • Experience generating Cameo Activity Diagrams using text-based input from stakeholders Preferred Qualifications: • Technical experience with IAMD and/or IBCS Program • Cross-team collaboration experience • MBSE experience or INCOSE Certifications • Experience with Teamwork Cloud • Experience with working in an Agile development environment • Experience utilizing Atlassian tool suite (Jira, Confluence, etc.) • Experience developing SE Artifacts and supporting documentation Primary Level Salary Range: $108,800.00 - $163,200.00 Secondary 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. 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, Smyrna , Principal/Sr Principal Engineer Systems-AHT, Engineering , Huntsville, Tennessee