RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt 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.Northrop Grumman Defense Systems (NGDS) is looking for a Principal Software Systems Test Engineer based in Huntsville, AL. Our Team supports, integrates, develops, and advances multiple software and network products under the the long standing Tactical Ground Equipment (TGE) Counter-Unmanned Aerial System (C-UAS) Base Operations Networks (BONES) program.Core ResponsibilitiesDevelop and maintain test plans, procedures, and test cases for assigned systems/subsystems.Perform system, integration, and regression testing (manual and/or automated).Analyze test results, troubleshoot issues, and work with dev/Systems/QA to resolve defects.Document test evidence and support formal reviews, audits, and customer witness events.Contribute to requirements verification (traceability from requirements to test cases).Develop and/or maintain automated test scripts and test frameworks as applicable.Support test environment setup: hardware, software, tools, data, and configurations.Support continuous improvement of test processes, tools, and metricsBasic QualificationsBachelors degree in STEM and minimum 5 years of experience, or Masters degree in STEM and 3 years of experience.Active DoD Secret ClearanceStrong understanding of test engineering principles (verification vs validation, coverage, boundary conditions, negative testing).Experience with test case design techniques (equivalence partitioning, boundary value analysis, use cases, etc.).Experience with test automation and at least one scripting or programming language (e.g., Python, Bash).Ability to read and interpret requirements, interface control documents (ICDs), and design specs.Familiarity with configuration management and version control (e.g., Git).Experience with API testing, UI testing, performance or security testing as neededPrimary Level Salary Range: $108,800.00 - $163,200.00The 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.