Senior Principal Engineer, Infrastructure Platform Architect (Onsite)

Senior Principal Engineer, Infrastructure Platform Architect Platform Engineering group at RTX seeks an experienced Senior Principal Engineer to architect, develop, and maintain scalable enterprise infrastructure platforms supporting defense programs. Location Plano, Texas (Onsite). Relocation offered based on eligibility. Responsibilities Leverage company and industry best practices to architect, develop and implement modern platform solutions. Collaborate cross‑functionally, building and refining solutions aligned with technical standards, timelines, and budgets. Investigate and present technology solutions to improve performance. Design and implement automation and orchestration solutions. Identify gaps and opportunities for improvement of existing solutions. Work with engineering teams to translate operational and technical requirements into implementable system architectures and solution designs. Act as the technical liaison between program leadership, engineering, Digital Technology (DT) and Global Security Services (GSS) Cybersecurity, ensuring technical vision, priorities, deliverables and integration requirements are clearly communicated and understood. Coordinate with DT and GSS Cybersecurity to ensure delivered components and systems meet performance, reliability, security, and interoperability requirements across platforms and environments. Develop and maintain a technical roadmap aligned with modern DevSecOps practices, infrastructure architectures, and relevant COTS solutions. Use Model‑Based System Engineering (MBSE) concepts and processes to design and develop solutions. Qualifications Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 10 years of engineering experience. Experience architecting, designing, implementing, and integrating infrastructure platform services on Linux and Windows operating systems. Experience with infrastructure automation and configuration management tools such as Terraform, Ansible, and/or Chef. Experience working in a technical environment interfacing with systems and software engineering disciplines. Minimum eight years of experience communicating technical and project information clearly to peers, management, and external stakeholders. Experience with Compute, Network, Storage, Operating Systems, and Virtualization technologies in an enterprise or mission environment. Current CompTIA Security+ certification or willingness to obtain within 90 days. Active and transferable U.S. government‑issued Top Secret security clearance required prior to start date; U.S. citizenship required. Preferred: Experience with Model‑Based System Engineering (MBSE). Preferred: Experience implementing Scaled Agile Frameworks. Preferred: Experience deploying, configuring, and supporting CI/CD pipelines (e.g., Jira, Confluence, Bitbucket, Jenkins, Artifactory, Gitlab). Preferred: Experience with containerization using Kubernetes or Docker. Preferred: Experience developing, testing, and delivering applications within a DevSecOps framework. Preferred: Background in COTS/FOSS product installation, configuration, and integration. Preferred: Advanced experience troubleshooting performance, reliability, and availability issues across Linux and Windows platforms. Preferred: Working knowledge of scripting languages such as Python or Bash for automation and operational workflows. EEO Statement RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. #J-18808-Ljbffr Prattwhitney