Principal / Sr. Principal Systems Engineer - Ionizing Radiation

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: Top 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. Northrop Grumman Aeronautics Systems has an opening for a Principal Systems Engineer or Sr. Principal Systems Engineer – Ionizing Radiation to join our team of qualified, diverse individuals. The position will be located in Melbourne, Florida. As part of the Nuclear Hardness and Survivability (NH&S) team, the engineer will have a unique opportunity to support design and mitigation strategies to develop and field a survivable weapon system with operational requirements involving the following nuclear threat environments: Electromagnetic Pulse, Ionizing Radiation, Thermal Radiation, Air-Blast and Radiological exposure. The candidate will be an integral contributor to the Ionizing Radiation hardening effort throughout the Engineering & Manufacturing Development and Production & Deployment phases of the program providing expertise including the following: • Generating weapon system design criteria supported by design analysis, modeling & simulation, equipment and system-level trade studies, system integration, piece-part, component, equipment, and system test artifacts. • Developing system-level NH&S Design Analysis Reports (DAR) and nuclear hardness system test plans and reports documenting equipment compliance and weapon system certification. • Preparing and presenting Nuclear Survivability engineering artifacts supporting requirements compliance and weapon system performance traceability throughout Design Reviews. • Lead and execute the analysis and/or evaluation/validation of components, equipment, subsystems, or weapon system analytical models and actual system implementation for weapons compliance to operationally relevant nuclear threat environments. Domain Specific Responsibilities/Technical Skills • Working knowledge of nuclear weapons effects and resulting Transient Radiation Effects on Electronics (TREE) of DoD and commercial systems. • Technical planning, specification requirements derivation, test and analysis, design, planning and execution, documentation, and requirements/validation supporting overall system compliance. • Experience with electrical circuit rad-hard design including piece-part screening, analysis, modeling, and test of component and systems for radiation environment compliance i.e. prompt dose rate, total ionizing dose, neutron displacement damage, neutron induced upset, single event effects. • Experience with electrical circuit and/or system level design and test. • Knowledge of Circumvention & Recovery techniques for component, circuit, equipment subsystems compliance and weapon system level probabilistic performance assessments during pre/trans and post nuclear weapon environment exposure. • Evaluate uncertainty and risks associated with rad-hard requirements and design mitigation strategies. • Experience working with other Federal agencies, industry, National and/or Service Laboratories & Test facilities. • Represent Northrop Grumman Corporation as a technical expert for the Program and with DoD customers. • Ability to travel 20% is required Basic Qualifications • Principal Engineer : Bachelor of science degree in a Science, Technology, Engineering or Mathematics (STEM) discipline with 5 years of related military/professional experience OR Master’s Degree in a STEM discipline with 3 years of related military/professional experience OR a PhD in a STEM discipline with 1 year of related military/professional experience. • Senior Principal Engineer: Bachelor of science degree in a Science, Technology, Engineering, or Math (STEM) discipline with 8 years of related military/professional experience OR Master of Science degree in a STEM discipline with 6 years of re;ated military/professional experience or a PhD is a STEM discipline and 4 years of related military/professional experience • Must have an active DoD Secret clearance with the ability to obtain and maintain an interim Top Secret prior to starting, within a reasonable amount of time as determined by the business. • Must have the ability to obtain and maintain Special Access Program (SAP) clearance. Preferred Qualifications: • Nuclear Command, Control & Communication weapon system survivability design experience • Analysis experience with radiation environments including man-made and natural space environment. • Analysis experience in Reliability, Availability, Maintainability & Testability (RAMT) including probabilistic risk assessment as applicable to semiconductor TREE susceptibilities. • Experience and/or familiarity with the following standards and handbooks: DODI 3150.09, MIL-STD-1766, AFWL-TR-86-26, MIL-STD-464, MIL-STD-3023, MIL-STD-2169, DO-160, MIL-B-5087, DNA-2048H-1, MIL-STD-883, MIL-STD-750, JEDEC JESD89, MIL-HDBK-814, MIL-HDBK-815, MIL-HDBK-816, IEC 62396-1/-5, SAE AIR6219 • Experience and/or familiarity with the following engineering software/tools: COMSOL, ANSYS, CST, FEKO, Cadence/Spice, Mathworks MATLAB, PTC MathCad, Wolfram Mathematica, NX, Siemens Teamcenter, CAMEO 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, Daytona Beach , Principal / Sr. Principal Systems Engineer - Ionizing Radiation, Engineering , Melbourne, Florida