Sr Principal Reliability Engineer

Northrop Grumman

Last Updated: 4/22/2026 7:14:34 PM

Position Closed

Live Market Data for this Exact Role

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Current Days Open
31
Reqs Seen
2
Current Min Salary
$111,700.00 (Yearly)
Current Max Salary
$111,700.00 (Yearly)
Historical Time to Fill
42
First Seen
1/30/2026
Lowest Min Salary Seen
$111,700.00 (Yearly)
4/22/2026
Highest Max Salary Seen
$111,700.00 (Yearly)
4/22/2026

Full Job Description

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 25% 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. Northrop Grumman Mission Systems has an immediate opening for a Sr. Principal Reliability Engineer. The selected candidate for this position will report to the Northrop Grumman Laser Systems facility in Apopka, FL. What youll get to do: The Sr. Principal Reliability Engineer will support the design, integration, test, and production of laser/electro-optical, network and communication systems in ground base, airborne and space applications. Candidate will be responsible for establishing, monitoring, and verifying subsystem Reliability and Maintainability (R&M) performance requirements for all design changes and new development efforts to ensure that R&M program requirements are achieved. Roles & Responsibilities: The Reliability Engineer we are seeking will be an individual who thrives in a diverse work environment, has outstanding communication skills, and possesses a strong sense of engagement and continuous process improvement. Occasional travel is required to support technical reviews, meetings, and working groups. A fundamental knowledge of Reliability Engineering principles and System Safety Program conduct in accordance with MIL-HDBK-217 and MIL-STD-882 is preferred. Perform Built in Test (BIT) testability analysis. Perform Root Cause and Corrective Action investigations in accordance with Failure Reporting, Analysis, and Corrective Action System (FRACAS) processes. Fundamental principles of Reliability Engineering including the capability to perform: Fault Tree Analysis (FTA), Reliability Predictions, Built-In Test (BIT) Analysis, Failure Modes Effects and Criticality Analysis (FMECA), Safety Analysis Report (SAR) and fundamental knowledge of statistics are preferred. Supporting development and qualification of EO/IR systems by independently analyzing and recommending safety criteria in system design, equipment, and procedures to control or eliminate hazards. Liaison to Integrated Product Teams (IPT) and suppliers for assigned systems. Perform hazard analyses for systems and sub-systems, software system safety assessments, and hazardous material management planning and execution. Develops safety documents as required to support customer and test/operational range requirements. Basic Qualifications: Bachelor's Degree in STEM (Science, Technology, Engineering, and Mathematics) and 8 years of experience, or Masters Degree with 6 years of experience, or 4 years with a Ph.D. Must have a minimum of 4 years experience in Reliability and Maintainability Engineering discipline. US Citizenship Must be able to obtain a DoD Secret Clearance. Clearance is not required to start. Must be able to maintain this level of clearance for continued employment. Minimum of 4 years of experience with knowledge of engineering drawings, System Safety Engineering, and Reliability engineering. Ability to effectively communicate and present complex technical concepts to project, program, and company management, other technical managers, and customers. Proficient in the use of MS Office applications (Word, Excel, and PowerPoint). Complete MTBF predictions using Windchill Risk and Reliability. Preferred Qualifications: Experience in Problem Solving skills. Knowledge on the principles and operation of scanning electron microscope (SEM) and energy dispersive X-ray spectroscopy (EDAX). Experience with FTIR (Fourier Transform Infrared) spectroscopy for failure analysis. Basic understanding of Instron load frames, tensile and compression testing as well as American Society for Testing and Materials (ASTM) Tensile Testing Standards. Ability to develop safety documents as required to support customer requirements. Capable of understanding incident investigations and root cause and corrective actions. Develop Reliability Predictions, FMECAs, and FTAs using Windchill Risk and Reliability and/or approved prediction methodologies for mechanical and electrical designs. Familiarity with MIL-STD-883, MIL-STD-1580, EEE-INST-002, or SMC-S-016. Perform FMECA, FTA, BIT analysis, implementation, and validation. Certified Reliability Engineer (CRE) or Certified Maintenance & Reliability Professional (CMRP). Develop and/or maintain system models using SysML, UAFP and UML with MBSE tools such as Cameo. Experience writing statements of work and estimating project scope. Current active US DoD Secret Clearance. Primary Level Salary Range: $111,700.00 - $167,500.00 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. Existing Applicants: Need to update your contact information or email address? Once logged in, click on Candidate Home in the upper right corner and scroll to the bottom of that screen to see buttons for: Update Contact information to update your legal name, address, and phone number Edit Account Settings to edit your email address We are a pioneering company. With careers across all areas: air, cyber, land, sea and space our 90,000 employees work as one to defend and define the future. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will give you every opportunity to do your best work. Working together with people from many backgrounds, personal passions and disciplines, we share a drive to push the boundaries of science, technology and engineering to meet the ever evolving needs of our customers worldwide.

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