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Sentinel Sr Principal Software Systems Engineer

Job in Huntsville, Madison County, Alabama, 35824, USA
Listing for: Northrop Grumman Corp. (AU)
Full Time position
Listed on 2026-06-03
Job specializations:
  • Engineering
    Systems Engineer, Software Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Sentinel Sr Principal Software Systems Engineer – 15188

Relocation assistance may be available.

Clearance required for start:
Yes

Clearance type:
Secret

Travel:
Yes, 10% of the Time

Description

Northrop Grumman Defense Systems is seeking Sr. Principal Software Systems Engineer – 15186*. This position will be located in Roy, Utah, Huntsville, Alabama or Colorado Springs, CO and support the Sentinel program.

Position Benefits
  • Medical, Dental & Vision coverage
  • 401k
  • Educational Assistance
  • Life Insurance
  • Employee Assistance Programs & Work/Life Solutions
  • Paid Time Off
  • Health & Wellness Resources
  • Employee Discounts

The 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 4 additional years in lieu of a degree.
  • U.S. 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
  • Bachelor's degree or higher in Science, Technology, Engineering, and Mathematics (STEM).
  • Experience with the Atlassian Tool Suite including Jira and Confluence.
  • Proficient with DOORS, Cameo with the ability to write and decompose system requirements.
  • Ability to evaluate risks and tradeoffs and present solution options to management.
  • Detailed knowledge of the Command and Launch system and mission objectives.
  • OMG SysML Model Builder Fundamental Certification.
  • Experienced with verification planning and system buildup for Flight Tests.
  • Experienced using Model Based Product Line Engineering Concepts.
  • Experience delivering SW products for IFC Certification.

Primary Level Salary Range: $ - $

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.

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  U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Job Category:
Engineering

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