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# Sr Principal Systems Engineer - I&T

- **Company:** Northrop Grumman
- **Location:** Los Angeles, CA, United States
- **Experience:** Expert
- **Salary:** $142,200.0 - $213,400.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Systems Engineering, Automation of Tests, C Sharp (Programming Language), C++ (Programming Language), Network Analysis, Software Debugging, Hardware Interface Design, IBM Rational Software, Python (Programming Language), MATLAB, Programming Environments, Verification and Validation (Software)
- **Published:** August 29, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9128795/sr-principal-systems-engineer-it

## About the Role

* 8 years relevant experience with B.S. Electrical Engineering or equivalent STEM discipline equivalent; or 6 years relevant experience with M.S. Electrical Engineering or equivalent STEM discipline equivalent; or 3 years relevant experience with PhD Electrical Engineering or equivalent STEM discipline equivalent
 * Active US Government Secret Level security clearance
 * Experience in System Engineering activities such as:
 + Requirements development
 + Test Procedure development
 + Verification and Validation i.e. experience running tests and documenting results
 * Ability to diagnose complex issues, lead problem-solving efforts, and drive tasks to completion
 * Demonstrated teamwork and leadership of projects or teams
 * Strong written and verbal communication skills
 * Willingness to work onsite in Woodland Hills, Ca as required by this position, * Active US Government TS/SCI with poly security clearance
 * Experience with IBM Rational DOORS and technical baseline management
 * Systems Engineering experience on large, complex systems
 * Experience supporting test investigations and debugging efforts
 * Proficient in at least one of the following programming environments: MATLAB, C, C++, C#, and/or Python
 * Experience creating automated test scripts that integrate with hardware interfaces
 * Working knowledge of standard test equipment: network analyzers, oscilloscopes, waveform generators, synthesizers, digitizers, and/or signal analyzers
 * Working knowledge of standard design components: filters, couplers, splitters, amplifiers, etc.
 * Experience working with operational hazards such as overhead lifting, Thermal Chambers, and Vibration Test systems
 * Strong track record of driving innovation and spearheading digital-transformation initiatives in test workflows
 * Experience engaging external customers through meetings, presentations, and technical negotiations

## Description

* Identifying unique requirements from a broad customer base, flowing the requirements into design documentation, and working with a diverse team to build and test those requirements
 * Work on the capabilities of current products, performance analyses, design information, and requirements verification methods
 * Ensure logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints
 * Perform functional analysis, timeline analysis, detail trade studies, requirements allocation
 * Generate, review, and manage multiple requirements sets that cover all aspects of both performance and nonperformance including mechanical interfaces, electrical interfaces, data requirements, environmental requirements, and reliability
 * Design, develop, and implement testing methods to verify and validate project requirements
 * Performing hands-on electrical testing at CCA level and systems level test setups
 * Documenting & dispositioning hardware discrepancies, pursuing root cause & corrective actions


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