> Markdown version of [/jobs/ext/2976981-principal-systems-integration-and-test-engineer-onsite](https://www.wearedevelopers.com/jobs/ext/2976981-principal-systems-integration-and-test-engineer-onsite). 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). --- # Principal Systems Integration and Test Engineer (Onsite) - **Company:** RTX - **Location:** Fort Wayne, IN, United States - **Salary:** $107,500.0 - $204,500.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, JIRA, Firmware, MATLAB, Microsoft Software, Program Design Languages, Satcom, Rhapsody, Requirements Management, SAP (Applications), Systems Modeling Language, Systems Architecture, Systems Integration, SC Clearance - **Published:** September 18, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-IN-FT-WAYNE-150A--1010-Production-Rd--BLDG-150A/Principal-Systems-Integration-and-Test-Engineer--Onsite-_01874324 ## About the Role Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, * Experience in developing and writing test and integration plans and documents * Participation in medium-scale test and integration activities * Experience in supporting or leading a team in requirements development and system architecture * Proficiency in requirements management tools (e.g., DOORS, DNG) * Knowledge of modeling/simulation tools (e.g., Matlab) * Understanding of Systems Engineering support for Software, Hardware, and Firmware development and collaboration * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience or in absence of a degree, 12 years of relevant experience * Ability to obtain and maintain Special Access Program (SAP) clearance is required to work in our organization * Active and transferable SECRET clearance is required prior to start date, * Familiarity with production and manufacturing * Familiarity with qualification processes and certification procedures * Knowledge of or application of Earned Value Management System * Proficiency in Model-Based Systems Engineering (e.g., SysML, Cameo, Rhapsody) * Proficiency in tooling to include Microsoft products or tasking boards (e.g., Jira) * Knowledge of RF design tools (e.g., SystemVue) * Agile working environment experience * Proposal support experience including writing Basis of Estimates (BOEs) * Experience in Communication Radio and Systems including SATCOM, LOS/BLOS antennas, and waveforms * Experience with Active Electronic Scanning Array (AESA) systems Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. ## Description * Support or lead development of test & integration plans and procedures and generation of test flow diagrams * Support or lead onsite integration, verification, and validation tasks and activities * Support setup of onsite test environments, laboratory facilities, and equipment * Support system trade studies, requirements analysis, architecture, and allocation to subsystems * Collaborate with multi-disciplinary teams * Manage problems and issues requiring detailed information gathering, analysis, and investigation * Oversee the development of full lifecycle solutions from CONOPS to Validation * Act as a Subject Matter Expert within discipline with advanced to expert knowledge of work area * Work autonomously with minimal oversight from manager * Coach, review, and delegate work to lower-level professionals * Contribute to the development of department goals and planning efforts (e.g., cost and schedule) * Influence decision-makers with recommended courses of action * Influence others regarding policies, practices, and procedures * Manage moderately sized projects or processes * Manage the entrance and exit criteria of program design reviews * Review moderate and document major changes in systems or processes to solve difficult and often complex problems * Communicate with team members within and outside of department or organization * Communicate with customers, vendors, or subcontractors * Use advanced knowledge from an advanced university degree combined with professional experience, *Please ensure the role type (defined below) is appropriate for your needs before applying to this role. ONSITE: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. At Collins, the paths we pave together lead to limitless possibility. 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