Principal OR Sr. Principal Flying Test Bed LCS Analyst/Architect

Company: Northrop Grumman
Location: Melbourne
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: 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. Please note that this opportunity is contingent on program funding. Start dates are determined after funding confirmation. Job Description: Northrop Grumman Aeronautics Systems sector has an opening for a Principal or Senior Principal Engineer specializing in Liquid Cooling Systems (LCS) Subsystems Performance Analysis to join our team of qualified, diverse individuals. This role is located in Melbourne, FL . This position is fully onsite with no remote work available. Key Responsibilities: Capable of working independently and as part of a large multi-disciplined team Perform fluid system related analysis in support of the development of aircraft subsystems as well as the integration of aircraft avionics and the installation of various aircraft hardware. Analysis includes, but not limited to, subsystem performance modeling, such as liquid cooling systems, air cycle systems, fluid distribution systems, and compartment temperature assessments as influenced by structural heat transfer and compartment heat sources. The selected candidate should be familiar with any of the following: Liquid Cooling Systems, Bleed Air systems, ECS (Pack and Vapor Cycle machines), Fuel subsystems and Avionics Cooling Position responsibilities will also include system level test planning, execution support, verification, and troubleshooting Attend internal program, customer and/or supplier technical exchange meetings and/or formal program milestone reviews to provide and/or obtain progress status updates Other responsibilities and duties include managing team cost and schedule, as well as mentoring junior engineers in fluid subsystems performance analysis The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/team settings across all levels This role may be filled as a Principal Engineer (level 3) or as a Sr. Principal Engineer (Level 4) based on the qualifications outlined below. Basic Qualifications: Principal Engineer - Must have a Bachelor of Science degree in a STEM discipline AND 5 years of engineering experience, OR Master’s degree AND 3 years of engineering experience Sr. Principal Engineer - Must have a Bachelor of Science degree in a STEM discipline AND 8 years of engineering experience, OR Master’s degree AND 6 years of engineering experience Must have experience with modeling fluid systems utilizing Amesim, MATLAB/Simulink, ANSYS/Fluent, Flowmaster, Easy 5, or other similar fluid simulation software with fluid network solvers. Must have professional experience related to the development and integration of liquid cooling systems. Your ability to obtain and/or transfer and maintain the final adjudicated government Secret clearance, and any program access(es) required for the position within a reasonable period of time, as determined by the company. Preferred Qualifications: Master’s degree in Mechanical or Aerospace Engineering with focus on thermodynamic, fluid mechanic and heat transfer analysis Experience modeling Thermal Fluid systems utilizing AMEsim, Matlab/Simulink Experience interpreting component detail drawings, specifications, installation drawings, and test procedures Experience with the military/commercial airworthiness certification process using MIL-HDBK-516 . Any engineering or maintenance experience with 737 aircraft LCS/ECS systems is a plus Experience designing and releasing engineering for fluid systems (Liquid Cooling, Bleed Air, ECS, Fuel, etc) utilizing 3D CAD (NX, CATIA, Solidworks, Creo, etc.). AS-FA3 Primary Level Salary Range: $98,400.00 - $147,600.00 Secondary Level Salary Range: $122,800.00 - $184,200.00 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. 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.

Keywords: Northrop Grumman, Port St. Lucie , Principal OR Sr. Principal Flying Test Bed LCS Analyst/Architect, Engineering , Melbourne, Florida