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. Northrop Grumman Defense Systems is currently seeking a Principal Sr. Principal Test Engineer for our Elkton, Maryland office. The Northrop Grumman Defense Systems Propulsion Systems and Controls (PSC) facility in Elkton, Maryland began solid-propellant rocket operations in 1948. Today, the Elkton PSC facility designs, develops, and produces solid-propellant propulsion and ordnance systems in programs professionally managed for a wide variety of Government and commercial customers. The facility also serves as the hub for offsite engineering and test facilities in Ronkonkoma, NY, Palm Beach Gardens, FL and San Jose, CA. Job Summary Under broad direction, develop system testing scope, plan and estimates in collaboration with QA. Evaluate and recommend changes andor tools to improve processes. This position supports physical hardware testing, this is not a software testing position. Job Responsibilities Provides technical support in the office and field as the mechanical test engineer. Review testing requirements, develop Test Plans and write Test Procedures. Executes tests, manages and prioritizes problemsfailures. Reviews and evaluates test results and provides summary reports. Works with cross functional, multi-discipline test teams. Interfaces with technicians, customers, vendors and management teams to resolve problems. Works directly with energetic test arrangements in the field and provides onsite mechanical and electricalinstrumentation troubleshooting support. Participate in an Integrated Product Team (IPT) environment. Qualifications This position can be filled at either the Principal Test Engineer or the Sr. Principal Test Engineer, depending on years of experience and qualifications. Basic Qualifications Principal Test Engineer Requires Bachelors of Science in Aerospace, Mechanical or Industrial Engineering 5 years' experience or Masters in Aerospace, Mechanical or Industrial Engineering 3 years or a PhD. Experience working in a manufacturing environment Experience with laboratory or manufacturing test system design, hardware integration and support. Proficient ability to use Microsoft Office applications Ability to read and understand manufacturing drawings and standards Must have good communication skills and be able to write and deliver presentations. Ability to obtain a Secret Clearance which requires ship as a prerequisite Basic Qualifications Sr. Principal Test Engineer Requires Bachelors of Science in Aerospace, Mechanical or Industrial Engineering 9 years' experience or Masters in Aerospace, Mechanical or Industrial Engineering 7 years or a PhD 4 years of experience. Experience working in a manufacturing environment Experience with laboratory or manufacturing test system design, hardware integration and support. Proficient ability to use Microsoft Office applications Ability to read and understand manufacturing drawings and standards Must have good communication skills and be able to write and deliver presentations. Ability to obtain a Secret Clearance which requires ship as a prerequisite Preferred Qualifications Rocket motor or propulsion testing experience Experience with Test Instrumentation and Data Acquisition Experience working with explosives andor hazardous environments This position falls under a Federal Explosives License issued by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) for this location. Candidates hired into this role will be required to complete and submit an Employee Possessor Questionnaire to ATF for approval to be a possessor. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal OpportunityAffirmative Action 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 EEOAA and Pay Transparency statement, please visit www.northropgrumman.comEEO. U.S. Citizenship is required for most positions.