Principal Platform Engineer (OnSite)

Job ID: 01863421Posted: Posted TodayStart Date: 2026-07-31Location: US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17Country: United States of AmericaTime Type: Full timeDate Posted:2026-07-31 Country:United States of America Location:US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 Position Role Type:Onsite U.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: TS/SCI without Polygraph Security Clearance Status: Active and existing security clearance required on day 1At RTX, the world's 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 freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.At RTX, the world's 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 freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.At Raytheon Technologies (RTX), you will play a pivotal role as a Principal Platform Engineer, contributing to the design, deployment, and modernization of cutting-edge systems. Your expertise in Linux server administration, Kubernetes development, and DevSecOps practices will drive impactful solutions for critical defense and aerospace projects. You will collaborate with multidisciplinary teams, leveraging industry’s best practices to optimize performance, scalability, and security across on-premises and cloud-based environments.Note This role is based on site in Richardson, TX.What you doDesign and implement system updates and upgrades with a focus on Linux server administration and Kubernetes developmentDeploy, integrate, and support containerized platforms using modern orchestration tools such as Kubernetes and DockerArchitect, develop, and support build/test pipelines optimized for performance across virtualized and cloud environmentsProvision platform, storage, and networking resources for on-premises COTS infrastructure using modernized technologiesCollaborate in Technical Exchange Meetings (TEMs) and provide project status updates as requiredMentor and assist engineers with tool usage, issue resolution, and adherence to best practicesQualifications You Must HaveTypically requires a bachelor’s degree in science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of relevant experienceExperience with integration, cloud technologies, containerization, and Infrastructure/Platform as a ServiceProficiency in Linux development and microservices architectureExperience with automation frameworks such as Ansible, Chef, or similar toolsActive and Current TS/SCI security clearance is required Day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceQualifications We PreferExperience with Agile development methodologies, including Scrum or SAFeExperience deploying applications to Kubernetes and configuring container orchestration platformsFamiliarity with programming languages such as Python, Java, Ruby, Bash, C++, C#, or GoExperience with the Atlassian Tool Suite, including Jira, Confluence, Bitbucket, and JenkinsBackground in deploying and supporting CI/CD pipelines and DevSecOps toolsGeneral working knowledge of networks, storage, and virtualization technologiesExperience with COTS/FOSS product installation, configuration, and integration.Security Plus certificationWhat 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 InnovationRelocation EligibilityLearn More & Apply Now!Please consider the following role type definition as you apply for this roleOnsite: 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 productsThis position requires 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: Richardson, TXWe 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 107,500 USD - 204,500 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