Systems Engineer - Level 4 - Space AHT
Northrop Grumman
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Huntsville, AL · Posted October 2, 2026
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Where Huntsville, AL ranks
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November 2026
- #1Best cities for aerospace and defense jobs555 openings · of 67
- #2Best cities for pay after cost of living in the Southeast$164k · of 33
- #2Best cities for software and engineering jobs in the Southeast701 openings · of 65
- #3Best all-round cities for mid-career professionals in the Southeast74 / 100 · of 33
- #6Best cities for aerospace and defense pay after cost of living$151k · of 19
- #12Best all-round cities for AI careers in the Southeast61 / 100 · of 33
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing does not state pay. Across 207 open systems engineer listings that state pay, the middle half runs $104,000 to $160,500 and the median is $120,000.
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About the job
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.
This position description does not represent a current opening but may be used to identify candidates with skills and experience for positions within Northrop Grumman that frequently become available. Candidates who express an interest may be considered for future positions at Northrop Grumman.
Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU) has an exciting career opportunity for a Sr. Systems Engineer – Level 4 to join our team of qualified, diverse individuals. This position will be in Huntsville, AL.
What you will get to do:
Lead an Agile system engineering team.
Lead and perform model-based systems engineering (MBSE) functional, behavior analysis and develop and decompose requirements for a software and hardware integrated system.
Oversee publishing change notices to system specification and update of requirements databases, architectural models, interface definitions, and trace system and Element level requirements.
Oversee documentation and analysis results in reports and briefings for critique and review by internal and external stakeholders.
Lead development of test plans, development of verification plans and tracking status of verification.
Support integration of hardware systems in lab environments and work with lab managers for understanding and communicating system integration dependencies.
The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/team settings across all levels.
This requisition may be filled at a higher grade based on qualifications listed below. This requisition may be filled at a Sr. Principal Systems Engineer – Level 4.
Basic Qualifications for Sr. Principal Systems Engineer (Level 4)
Bachelor’s degree in a STEM (Science, Technology, Engineering, or Mathematics) discipline from an accredited university and 8 years of related work experience; or a Master’s degree in STEM and 6 years of related work experience; or a PhD in STEM and 4 years of related work experience.
Strong prior experience using MSOSA (Cameo) and DOORS to develop system level behaviors and software to hardware interface definitions and interface control documents.
Experience analyzing electrical schematics, electrical interface control documents (ICDs), circuit diagrams, and FPGA logic or logic gate diagrams.
Demonstrated technical background in architecture development, functional decomposition, requirements development and allocation, and interface definition using system modeling tools.
Experience developing test plans, development of verification plans and tracking status of verification
Strong background in MBSE (Model-Based Systems Engineering) and the use of SysML to describe behaviors of complex DoD systems.
Experience leading and mentoring in a team environment.
Experience with Agile development, including leading Scrum events such as sprint planning, Program Increment (PI) planning, Backlog refinement, roadmap development, and retrospectives and execution of work with defined deadlines and milestones.
Experience interfacing with and briefing external customers and experience interfacing with and managing subcontractors.
Ability and willingness to travel up to 10% of the time to support business needs.
Current, active, in-scope U.S. DoD Secret security clearance at the time of application (required to start).
Preferred Qualifications
Experience modeling or simulating missile defense applications or related domains (e.g., 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 one or more aspects of the missile defense system (e.g., Aegis Weapon System, 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.
Experience using Atlassian products such as JIRA and Confluence to develop product backlogs, roadmaps, and reporting metrics.
This requisition is eligible for ERAP in accordance with the Space ERAP criteria - Space Employee Referral Award Program (ERAP)
#HSVSpace
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#SpaceSysEngJobs
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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.
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.