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Senior Principal Systems Engineer - Integration and Test
Linthicum Heights, MDMarch 31st, 2026
Senior Principal Systems EngineerAt 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. At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to enable strategic planning. We're looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we'll support yours of expanding your personal network and developing skills, whether you are new to the field, or an industry thought leader. At Northrop Grumman, you'll have the resources, support, and team to do some of the best work of your career.
As an integral part of our Systems Engineering Integration and Test (SEIT) team in Linthicum, MD, you will support test and verification activities of RF, EO/IR, EW, SIGINT or SATCOM. This will be an on-site position located in Linthicum, MD.
Roles and Responsibilities:Perform hands-on integration and testing of sophisticated RF sensor systems, including both hardware and software components in development and production environments.
Synthesizes internal and external customer needs and requirements into system tests that acknowledge technical and schedule constraints.
Participates in the development and execution of comprehensive test plans, procedures, and schedules for verifying system requirements.
Participates in I&T readiness reviews, design reviews and conducts audits of I&T program facilities.
Coordinates integrated testing activities that may include environmental, reliability and the occasional flight test.
Reviews and evaluates test requirements to ensure completeness of test program.
Performs analysis of test results and prepares comprehensive reports.
Uses modeling and simulation tools to expedite testing of individual units before all system components are available and for troubleshooting and repair of failed units.
This position is contingent upon contract award, the ability to obtain or maintain an active DoD Secret clearance with Special Program Access (SAP) prior to start.
Basic Qualifications for a Senior Principal Systems Engineer:Bachelor's degree with 12 years of experience, a Master's degree with 10 years of experience or a Ph.D. with 4 years of experience in Science, Technology, Engineering, Mathematics, or related technical fields; an additional 4 years of experience may be considered in lieu of a degree.
U.S. Citizenship is required.
The ability to obtain/maintain an Active DoD secret clearance and Special Program Access (SAP) prior to start is required.
3 years of experience with lab test equipment: i.e.: function generator, oscilloscope, multi meter, network analyzer, etc.
Experience troubleshooting and resolving complex HW/SW integration problems
3 years experience with RF, Radar Systems, EW, EOIR
Experience working in a multi-disciplinary team environment
Experience with embedded systems design and implementation
Preferred Qualifications:Advanced degrees in Science, Technology, Engineering, Mathematics or related technical fields.
Active DoD Secret Clearance or higher
Previous experience working on a Special Access Program
Experience with Control Account Manager (CAM)/ Earned Value Management System (EVMS)
Experience with proposals, basis of estimate creation, etc.
Experience testing software written in C, C++.
Experience developing scripts in python to automate manual processes.
Experience coding in MATLAB to support capability characterization.
Knowledge and experience with Agile principles, tools and implementation
As a full-time employee of Northrop Grumman Mission Systems, you are eligible for our robust benefits package including:
Medical, Dental & Vision coverage
401k
Educational Assistance
Life Insurance
Employee Assistance Programs & Work/Life Solutions
Paid Time Off
Health & Wellness Resources
Employee Discounts
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.
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