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Sentinel Sr Principal Software Systems Engineer - Security Clearance

Job in Bellevue, Sarpy County, Nebraska, 68005, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2025-12-10
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Position: Sentinel Sr Principal Software Systems Engineer - 15787 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 is seeking Sr. Principal Software Systems Engineer. This position can be located in Bellevue, Nebraska or Huntsville, ALand will support the Sentinel program. Position Benefits:
As a full-time employee of Northrop Grumman Space Systems, you are eligible for our robust benefits package including:
* Medical, Dental & Vision coverage

* 401k

* Educational Assistance

* Life Insurance

* Employee Assistance Programs & Work/Life Solutions

* Paid Time Off

* Health & Wellness Resources

* Employee Discounts This position's standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off. This role may offer a competitive relocation assistance package.

Basic Qualifications:

Sr. Principal Software Engineer: 8 Years with Bachelor's in related field of study, 6 Years with Masters, 4 Years with PhD or 04 additional years in lieu of a degree.
* US Citizenship with Active DoD Secret clearance with a reinvestigation date occurring in the last 6 years.

* Ability to obtain Special Program Access (SAP).

* Ability to team plan, execute, and manage the technical scope, and support leadership planning.

* Current understanding of software engineering best practices
* Experience in software engineering, system design, software requirements, and test
* Experience with Agile and working in a cross-functional Scrum team.

* Experience performing Safety Critical Functional Thread Analysis (SCFTA)

* Experience designing for and writing requirements for Safety Critical Functions

* Experience with USAF Nuclear Surety (AFMAN
91-119) and/or Cyber Certification

* Experience integrating multiple engineering specialties and stakeholders across multiple Integrated Product Teams and Suppliers

* Experience leading requirements, design, and integration of complex systems

* Minimum 2 years Model-Based Systems Engineering (MBSE) experience

* Able to create plans and standards for architecture, requirements, and design that can address selection process that accounts for providing safe, fault tolerant, and deterministic operation for critical functions. Critical functions are those functions that perform/support SCF/Critical signal trace threads.

* Able to create system, hardware and software verification plans to address complete functional validation as described by the software requirements specification

Preferred Qualifications:

* Detailed knowledge of the Command and Launch system and mission objectives

* SysML Model Builder Fundamental Certification

* Experience with verification planning and system buildup for Flight Tests

* Experience using Model Based Product Line Engineering…
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