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Principal/ Sr Principal Software I&T Engineer

Northrop Grumman

Software and Technology Jobs

Principal/ Sr Principal Software I&T Engineer

full-timePosted: Jan 2, 2026

Job Description

Conduct comprehensive verification of software requirements to ensure alignment with system specifications Design and develop detailed and robust test cases, test scripts, and test procedures to validate software functionality and performance Create and deliver clear, concise, and effective test procedures to ensure that software test activities are executed accurately, with resulting data conforming to specified requirements Work with various Agile teams to ensure all requirements are verified through inspection, analysis, demonstration, or test often by providing test and data reduction scripts Develop, maintain, and optimize data reduction scripts to enhance efficiency and streamline validation processes Minimum 10% travel to be expected (to customer, supplier, and other Northrop Grumman locations) Bachelor's degree in Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline​ with 5 years of experience in Software Integration & Test Engineering experience, or related technical fields, or a Master's degree in Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline with 3 years of experience in Software Integration & Test or related technical fields, PHD Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline​. Experience integrating hardware and software in a lab environment US Citizenship Ability to obtain/maintain a DoD Secret Clearance Ability to work onsite full-time in Woodland Hills, CA Bachelor's degree in Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline​ with 8 years of experience in Software Integration & Test Engineering experience, or related technical fields, or a Master's degree in Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline with 5 years of experience in Software Integration & Test or related technical fields, PHD Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline​ with 3 years of experience in Software Integration & Test Engineering experience, or related technical fields Proficiency with MathWorks development tools, including MATLAB and Simulink Hands-on experience with one or more communication protocols such as MIL-STD-1553, ARINC-429 or RS-422 Experience integrating hardware and software in a lab environment Skilled in writing both automated and manual test procedures to validate system functionality Extensive background in software integration, and testing processes Experience supporting test investigations and debugging efforts Demonstrated excellent written and oral communication skills US Citizenship Ability to obtain/maintain a DoD Secret Clearance Ability to work onsite full-time in Woodland Hills, CA Strong hands-on experience with Ethernet protocols Experience with GPS and Inertial navigation systems Proficient in applying DO-178C safety-critical software verification processes, ensuring compliance with rigorous aerospace and defense industry standards. Well-versed in Agile development methodologies and tools, with practical experience using JIRA for issue tracking and team collaboration Skilled in utilizing IBM Rational DOORS for requirements management and traceability throughout the development lifecycle Active DoD Secret Clearance

Locations

  • Woodland Hills, California, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Required Qualifications

  • Bachelor's in Systems Engineering/STEM + 5 years S/W I&T experience (Principal); +8 years (Sr Principal) (experience)
  • Master's +3/5 years; PhD relevant experience (experience)
  • U.S. Citizenship; Ability to obtain/maintain DoD Secret Clearance (experience)
  • Ability to work onsite full-time (experience)

Responsibilities

  • Conduct comprehensive verification of software requirements
  • Design/develop test cases, scripts, procedures
  • Create/deliver test procedures ensuring accurate execution
  • Work with Agile teams to verify requirements via inspection/analysis/demonstration/test
  • Develop/maintain/optimize data reduction scripts
  • Minimum 10% travel to customer/supplier/NG locations

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Northrop Grumman logo

Principal/ Sr Principal Software I&T Engineer

Northrop Grumman

Software and Technology Jobs

Principal/ Sr Principal Software I&T Engineer

full-timePosted: Jan 2, 2026

Job Description

Conduct comprehensive verification of software requirements to ensure alignment with system specifications Design and develop detailed and robust test cases, test scripts, and test procedures to validate software functionality and performance Create and deliver clear, concise, and effective test procedures to ensure that software test activities are executed accurately, with resulting data conforming to specified requirements Work with various Agile teams to ensure all requirements are verified through inspection, analysis, demonstration, or test often by providing test and data reduction scripts Develop, maintain, and optimize data reduction scripts to enhance efficiency and streamline validation processes Minimum 10% travel to be expected (to customer, supplier, and other Northrop Grumman locations) Bachelor's degree in Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline​ with 5 years of experience in Software Integration & Test Engineering experience, or related technical fields, or a Master's degree in Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline with 3 years of experience in Software Integration & Test or related technical fields, PHD Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline​. Experience integrating hardware and software in a lab environment US Citizenship Ability to obtain/maintain a DoD Secret Clearance Ability to work onsite full-time in Woodland Hills, CA Bachelor's degree in Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline​ with 8 years of experience in Software Integration & Test Engineering experience, or related technical fields, or a Master's degree in Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline with 5 years of experience in Software Integration & Test or related technical fields, PHD Systems Engineering or another STEM (Science Technology, Engineering, Math) discipline​ with 3 years of experience in Software Integration & Test Engineering experience, or related technical fields Proficiency with MathWorks development tools, including MATLAB and Simulink Hands-on experience with one or more communication protocols such as MIL-STD-1553, ARINC-429 or RS-422 Experience integrating hardware and software in a lab environment Skilled in writing both automated and manual test procedures to validate system functionality Extensive background in software integration, and testing processes Experience supporting test investigations and debugging efforts Demonstrated excellent written and oral communication skills US Citizenship Ability to obtain/maintain a DoD Secret Clearance Ability to work onsite full-time in Woodland Hills, CA Strong hands-on experience with Ethernet protocols Experience with GPS and Inertial navigation systems Proficient in applying DO-178C safety-critical software verification processes, ensuring compliance with rigorous aerospace and defense industry standards. Well-versed in Agile development methodologies and tools, with practical experience using JIRA for issue tracking and team collaboration Skilled in utilizing IBM Rational DOORS for requirements management and traceability throughout the development lifecycle Active DoD Secret Clearance

Locations

  • Woodland Hills, California, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Required Qualifications

  • Bachelor's in Systems Engineering/STEM + 5 years S/W I&T experience (Principal); +8 years (Sr Principal) (experience)
  • Master's +3/5 years; PhD relevant experience (experience)
  • U.S. Citizenship; Ability to obtain/maintain DoD Secret Clearance (experience)
  • Ability to work onsite full-time (experience)

Responsibilities

  • Conduct comprehensive verification of software requirements
  • Design/develop test cases, scripts, procedures
  • Create/deliver test procedures ensuring accurate execution
  • Work with Agile teams to verify requirements via inspection/analysis/demonstration/test
  • Develop/maintain/optimize data reduction scripts
  • Minimum 10% travel to customer/supplier/NG locations

Target Your Resume for "Principal/ Sr Principal Software I&T Engineer" , Northrop Grumman

Get personalized recommendations to optimize your resume specifically for Principal/ Sr Principal Software I&T Engineer. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Principal/ Sr Principal Software I&T Engineer" , Northrop Grumman

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

AerospaceDefenseTechnologyDefense

Answer 10 quick questions to check your fit for Principal/ Sr Principal Software I&T Engineer @ Northrop Grumman.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.