Senior Principal Engineer, Infrastructure Platform Architect (Onsite)

Job ID: 01843444Posted: Posted 30+ Days AgoStart Date: 2026-06-04Location: US-TX-PLANO-465 ~ 465 Independence Pkwy ~ INDEPENDENCECountry: United States of AmericaTime Type: Full timeDate Posted:2026-06-04 Country:United States of AmericaLocation:US-TX-PLANO-465 ~ 465 Independence Pkwy ~ INDEPENDENCEPosition Role Type:OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements: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​Security Clearance Type: Top Secret - CurrentSecurity Clearance Status: Active and existing security clearance required on day 1At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.The Platform Engineering group is seeking a Senior Principal Engineer, Infrastructure Platform Architect to ensure the successful delivery of enterprise Infrastructure for one of our premier programs. The role's core responsibility revolves around architecting an infrastructure platform that is consistent, scalable, efficient, and reduces overall program deployment times. You will be on a team that is responsible for development and operational environments consisting of a mix of servers, workstations, storage, networks, and custom hardware. These environments provide the enterprise backbone for product development and testing for a large program.You will operate at the intersection of product, platform, and users — translating developer needs into usable platform capabilities. The role requires strong frontend engineering instincts, backed by solid backend infrastructure knowledge.What You Will DoYou will leverage company and industry best practices and capabilities to architect, develop and implement modern platform solutionsCollaborate cross-functionally, building, and refining solutions that align with tech standards, timelines, and budgetsInvestigate and present technology solutions to improve performanceDesign and implement automation and orchestration solutionsIdentify gaps and opportunities for improvement of existing solutionsWork with engineering teams to translate operational and technical requirements into implementable system architectures and solution designsAct 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 understoodCoordinate with DT and GSS Cybersecurity, to ensure delivered components and systems meet performance, reliability, security, and interoperability requirements across platforms and environmentsDevelop and maintain a technical roadmap that keeps the platform aligned with modern DevSecOps practices, infrastructure architectures, and relevant COTS solutionsYou will use Model-Based System Engineering (MBSE) concepts and processes to design and develop solutionsThis job is onsite in Plano, TX; applicants must be in the area or willing to relocate to it.Qualifications You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 10 years of prior engineering experience.Experience Architecting, designing, implementing, and integrating infrastructure platform services on Linux and Windows based Operating SystemsExperience with infrastructure automation and configuration management tools such as Terraform, Ansible, and/or ChefExperience working in a technical environment interfacing with systems and software engineering disciplinesMinimum of eight years’ experience communicating technical and project information clearly and effectively to peers, management, and external stakeholders, including breaking down complex ideas into easy-to-understand tasking.Eight years’ experience or more with multi-disciplines: Compute, Network, Storage, Operating Systems, and Virtualization technologies in an enterprise and/or mission environmentCurrent CompTIA Security+ Certification or ability to obtain within 90 daysActive and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceQualifications We Prefer Experience with Model-Based System Engineering (MBSE) conceptsExperience implementing Scaled Agile FrameworksExperience deploying, configuring, and supporting CI/CD Pipelines tools (E.g. Jira, Confluence, Bit Bucket, Jenkins, Artifactory, Gitlab)Experience with containerization using technologies such as Kubernetes, DockerExperience developing, testing & delivering applications w/in a DevSecOps frameworkBackground in COTS/FOSS product installation, configuration, and integrationAdvanced experience troubleshooting performance, reliability, and availability issues across Linux/Windows based platforms and infrastructure servicesWorking knowledge of scripting languages such as Python and/or Bash used for automation and operational workflowsWhat We OfferOur values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.Relocation Offered Based On EligibilityLearn More & Apply Now!Please consider the following role type definition as you apply for 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.Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: Location Information: This position is onsite at our campus in beautiful Plano, TX. We Are RTXAs part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.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. Privacy Policy and Terms:Click on this link to read the Policy and Terms