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. The Tactical Space Systems Division is seeking a Principal and/or Sr. Principal Mechanical/Thermal Analysis Engineer to assist an experienced team of mechanical engineers performing mechanical and structural analysis on one or more spacecraft systems or subsystems. Essential Functions: Performing thermal analysis, design, or test of one or more moderately complex or portions of complex materials, structural components, and functional systems of company products. Analyzing requirements for materials, structural component, or functional systems. Selecting applicable analytical data from previous products and determine the technical principles involved. Mathematically defining problems and compute the engineering characteristics consistent with the specifications, design needs and requirements of other portions of the products. Releasing results as "technical documents" after review by the senior members of the team. Developing innovative solutions and elaborating on design concepts. Evaluating completed designs with supervisor and other technical groups, and making modifications necessary to achieve the most ideal design. Developing, coordinating, and conducting test programs required to evaluate design work. This requisition may be filled at a higher grade based on qualifications listed below. Basic Qualifications: This requisition may be filed at either a Mechanical/Thermal Engineer level 2 or a Principal Mechanical/Thermal Engineer 3. Basic Qualifications - Mechanical/Thermal Engineer 2: Bachelor's degree in STEM - Science, Technology, Engineer, Math or related area (Mechanical Engineering or Degrees with a focus in Thermal/Heat Transfer Analysis highly preferred) and 2+ years of experience Master's Degree and 0 years Basic Qualifications - Principal Mechanical/Thermal Engineer 3: Bachelor's degree in STEM - Science, Technology, Engineer, Math or related area (Mechanical Engineering or Degrees with a focus Thermal/Heat Transfer Analysis highly preferred) and 5+ years of experience. Master's Degree and 3+ years. PhD with 0 years of experience. Basic Qualifications - Mechanical/Thermal Engineer 2 / Principal Mechanical Thermal Engineer 3 (continued): Must be a US Citizen with the ability to obtain Top Secret clearance. Experience with thermal engineering tasks associated with analysis, design, and/or testing of structures. Experience with at least one of the following Thermal Analysis tools such as Thermal Desktop, SINDA or equivalent spacecraft thermal analysis tools. Preferred Qualifications: Current or Active Secret, Top Secret or higher level clearance. Experience with spacecraft or subsystem thermal testing. Experience utilizing MATLAB Northrop Grumman is committed to hiring and retaining a diverse workforce. Employees may be eligible for 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 committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative 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 EEO/AA and Pay Transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.