> Markdown version of [/jobs/ext/2253770-systems-integration-principal-systems-integration-engineer](https://www.wearedevelopers.com/jobs/ext/2253770-systems-integration-principal-systems-integration-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Integration/Principal Systems Integration Engineer - **Company:** Northrop Grumman - **Location:** McClellan Park, CA, United States - **Salary:** $91,800.0 - $137,600.0 - **Contract:** Internship / Graduate position - **Skills:** Testing (Software), Microsoft Access, Java (Programming Language), Microsoft Windows, Agile Methodology, Data Analysis, Systems Engineering, Confluence, JIRA, Automation of Tests, C++ (Programming Language), CompTIA Security+, Linux, IBM Rational Software, IBM Rational Clearquest, Python (Programming Language), Systems Development Life Cycle, SAP (Applications), Software Engineering, System Testing, Systems Integration, Test Data, Test Execution Engine, Virtual Machines, Scripting, Git, Integration Tests, Atlassian Tools - **Published:** August 26, 2026 - **Apply:** https://www.careerbuilder.com/job-details/system-test-engineer-principal-system-test-engineer-mcclellan-ca--acb5ee71-41c6-49f5-bd44-61f11842bcc7 ## About the Role The qualified candidate will become part of Northrop Grumman's Test & Evaluation organization. The selected candidate will synthesize customer contractual needs and requirements into system test solutions which acknowledge technical, schedule and cost constraints. They will perform a variety of duties in the electronic, mechanical, electromechanical, or software areas. The ideal candidate is detail oriented, organized, and able to learn challenging concepts quickly in a fast-paced environment., * Must have a Bachelor of Science degree in a STEM discipline AND 2 years of related professional/military experience, OR a Master''s degree AND 0 years of related professional/military experience. * * Must have an active US Government Top Secret clearance (with a background investigation within the past 6 years or enrolled into Continuous Evaluation). * Must have the ability to obtain and maintain Special Access Program (SAP) clearance, within a reasonable amount of time as determined by business needs. * Your ability to transfer and maintain the final adjudicated U.S. government Top Secret clearance (must be in-scope or enrolled in Continuous Evaluation) and any program access(es) required for the position within a reasonable period of time, as determined by the Company. * Capability to work with supervision and develop effective approaches to problem-solving. * Self-motivated with a strong attention to detail and thoroughness. * Experience writing Python scripts * Experience working System Test, SW Development and/or Systems Engineering * Experience with Windows/Linux operating systems & Virtual Machines (VMs) * Understanding of the software development lifecycle and agile development methodology, * Must have a Bachelor of Science degree in a STEM discipline AND 5 years of related professional/military experience, OR a Master''s degree AND 3 years of related professional/military experience, OR a Ph.D. AND 1 year of related professional/military experience. * Must have an active US Government Top Secret clearance (with a background investigation within the past 6 years or enrolled into Continuous Evaluation). * Must have the ability to obtain and maintain Special Access Program (SAP) clearance, within a reasonable amount of time as determined by business needs. * Your ability to transfer and maintain the final adjudicated U.S. government Top Secret clearance (must be in-scope or enrolled in Continuous Evaluation) and any program access(es) required for the position within a reasonable period of time, as determined by the Company. * Capability to work with supervision and develop effective approaches to problem-solving. * Self-motivated with a strong attention to detail and thoroughness. * Experience writing Python scripts * Experience working System Test, SW Development and/or Systems Engineering * Experience with Windows/Linux operating systems & Virtual Machines (VMs) * Understanding of the software development lifecycle and agile development methodology Preferred Qualifications: * Current applicable Special Access Program (SAP) clearance. * Knowledge of system test and integration. * Experience calibrating and inspecting special test equipment * Experience creating, updating and executing test procedures * Security+ certification * Experience with IBM Rational tool suite (DOORS and ClearQuest) * Experience with Atlassian tool suite (JIRA, Git, Confluence) * Experience using software test automation tools/frameworks * Experience with Java, C++, or Python What We Can Offer You, Adjudication, Aerospace and Defense, Agile Programming Methodologies, Atlassian JIRA, Background Investigation, C++ Programming Language, Communication Skills, CompTIA Security+, Contract Requirements, Data Analysis, Detail Oriented, Discrepancy Report, Diversity, Electromechanics, Git, IBM Rational, IBM Rational ClearQuest, Integration Testing, Java, Laboratory Testing, Linux Operating System, Microsoft Windows Operating System, Military, Needs Assessment, Organizational Skills, Problem Solving Skills, Python Programming/Scripting Language, Quality Assurance Software, SAP, Security Clearance, Software Development Lifecycle (SDLC), Software Testing, System Integration (SI), System Test, Systems Engineering, Test Automation, Test Data, Test Equipment, Test Lab, Testing, Top Secret Clearance, VMS Operating System, Validation Testing, Virtual Machine (VM) ## Description * Assist in development, execution, peer review, and release of test procedures * Participate in both Formal and Non-Formal Test execution events * Participate in test planning, discrepancy report, validation testing, and post test data analysis * Provide support of required laboratory test artifacts * Effectively communicate test results and project updates * Willing to support multiple shifts and odd hours to accommodate testing efforts and lab schedules ## Related Videos - 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