RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: 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 - 15343. This position will be located in Colorado Springs, Colorado *or Huntsville, Alabama 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.
Job Qualifications: 
You'll Bring These Qualifications:
• Sr. Principal Software Engineer: 08 Years with Bachelor's in related field of study, 06 Years with Masters, 04 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).
• Experience with Software Safety (Mil-STD882E) 

• Experience performing Safety Critical Functional Thread Analysis (SCFTA) 

• Experience writing requirements for Safety Critical Functions 

• Experience with USAF Nuclear Surety (AFMAN91-119) and/or Cyber Certification 

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

• 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 tolerance, and deterministic operation for critical functions. Critical functions are those functions that perform/support SCF/Critical signal trace threads. 

Qualifications Would be Nice to Have:
• 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
• Able to create system, hardware and software verification plans to address complete functional validation as described by the software requirements specification 
• Establish a Software Requirements Peer Review Process that includes identification of all artifacts required for peer review.  
• Experience leading the performance of technical tasks on schedule, at cost and achieving all requirements as technical lead 
• Experience integrating multiple engineering specialties and stakeholders across multiple Integrated Product Teams and Suppliers 
• Experience designing for Safety Critical Functions 
• Experience with Agile and working in a cross-function Scrum team. 
• 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 delivering SW products for IFC Certification 

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


#Sentinelsoftware
#HSVJune2025
Salary Range: $124,900.00 - $196,700.00The 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.PDN-9ef80d84-7349-4fae-bd4d-1c383c71574d