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Sentinel - Systems​/Principal Systems Engineer - 16984* Security Clearance

Job in Huntsville, Madison County, Alabama, 35801, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2026-02-20
Job specializations:
  • Engineering
    Systems Engineer, Aerospace / Aviation / Avionics
Job Description & How to Apply Below
Position: Sentinel - Systems/Principal Systems Engineer - 16984* with Security Clearance
RELOCATION ASSISTANCE:
Relocation assistance may be 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.

Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world's biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible.

With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today. Northrop Grumman Defense Systems currently has an opening for a Systems Engineer or Principal Systems Engineer. This position will be in Roy, UT, Bellevue, NE, Colorado Springs, CO or Huntsville, AL and will support the Sentinel (GBSD) program. Northrop Grumman supports the Air Force's sustainment, development, production and deployment of hardware and system modifications for Intercontinental Ballistic Missile (ICBM) Ground and Airborne Launch Control Systems, Launch Facilities and associated infrastructure.

What you will get to do :
The selected engineer will be responsible for:
* Model-Based Systems Engineering (MBSE), development of requirements and multiple system engineering models

* Coordination & collaboration with the System Engineering and Command & Launch Segment System Engineering Teams

* Supporting system, segment, element and unit level trade studies

* Definition of high-level functional and performance requirements and verification methods, subsequent analysis, decomposition, and derivation of requirements, allocation of those lower-level requirements to physical and functional architectural elements, and tracking them through design, verification, integration, and operational validation

* Supporting a team of engineers to create, mature and present comprehensive and cohesive technical charts representative of the appropriate level of maturation for any given milestone meeting and demonstrating team readiness in relation to achieving the milestone entrance and exit criteria

* Identifying required contractual deliverables and non-contractual documentation and driving corresponding updates to closure

* Coordinating and collaborating with diverse engineering design teams to assist in managing the technical baseline
This position may be filled at level 2 or level 3 depending upon the qualifications of the applicant. Basic Qualifications :
Systems Engineer (level
2):
* Bachelor of Science degree in STEM (Science, Technology, Engineering and Math) discipline and 2 years of experience; 0 years with master's degree.

* Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years

* Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs

* 1+ year of experience developing or reviewing requirements within DOORS or similar tool

* 1+ year of experience in ICBM (MMIII or Sentinel) OR complex aerospace/defense systems Principal Systems Engineer (level
3):
* Bachelor's degree in STEM with 5 years' experience; 3 years' experience with a Masters' degree in STEM; or 1 years' experience with a PhD. Management experience can be considered 'in lieu' of a degree.

* Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years.

* Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs

* 2 years of experience developing or reviewing requirements within DOORS or similar tool

* 2 years of experience in ICBM (MMIII or Sentinel) OR complex aerospace/defense systems

Preferred Qualifications :
* Understanding of the Systems Engineering V-Model

* Experience with requirements management tools such as DOORS

* Experience in SysML or UPDM modeling languages

* Proficiency with the DoDAF, UAF, or other modeling frameworks

* Experience modeling with Cameo Enterprise Architecture, Magic…
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