Senior Platform Engineer (Onsite)

Job ID: 01867793Posted: Posted TodayStart Date: 2026-08-18Location: US-TX-RICHARDSON-C27 ~ 1727 Cityline Dr ~ CITYLINE C27Country: United States of AmericaTime Type: Full timeDate Posted:2026-08-18 Country:United States of America Location:US-TX-RICHARDSON-C27 ~ 1727 Cityline Dr ~ CITYLINE C27 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 with 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.As a Senior Platform Engineer, you will play a critical role in designing, developing, and maintaining a modern Infrastructure as Code (IaC) solution that supports a large-scale, mission-critical program. This program provides the enterprise hybrid-cloud backbone for product development and testing, enabling the delivery of a strategic national asset. You will work in a dynamic environment that includes a mix of servers, workstations, storage, networks, and custom hardware. Your work will directly contribute to the deployment, implementation, and modernization of cutting-edge infrastructure solutions.This position requires hands-on technical expertise, collaboration with cross-functional teams, and the ability to document and maintain baseline controls. You will also have opportunities to support the integration of cloud and containerized solutions, ensuring scalability and performance across on-premises and virtualized environments.What You Will DoDevelop, implement, and maintain Infrastructure as Code (IaC) solutions using tools such as Ansible, Terraform, and ConsulSupport the deployment and customization of software tools, including the creation of templates, dashboards, and scripts to meet program requirementsAssist with the integration and orchestration of containerized platforms, such as Kubernetes and DockerCollaborate with cross-functional teams to design, architect, and support build/test pipelines optimized for performance and scalabilityPerform Linux system administration tasks, including configuration and maintenance of RHEL 6.0+ environmentsSupport the deployment, configuration, and maintenance of Continuous Integration/Continuous Deployment (CI/CD) pipelines and associated tools (e.g., Jenkins, Artifactory, Bitbucket)Maintain and integrate Commercial Off-The-Shelf (COTS) and Free and Open-Source Software (FOSS) products into the IaC environmentDocument processes and maintain baseline control for the IaC solutions.Provide technical support and guidance to engineers on specialized tools and best practicesOccasionally travel to customer sites for upgrades and implementation activities as neededQualifications You Must HaveTypically requires a bachelor’s degree in science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of related work experienceExperience with Linux system administration, including RHEL 6.0+ environmentsExperience with automation frameworks such as AnsibleExperience with cloud, containerization, and Infrastructure/Platform as a Service (IaaS/PaaS) solutionsActive and Current TS/SCI CI Poly 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 Model-Based Systems Engineering (MBSE)Experience deploying applications to Kubernetes and container orchestration platformsProficiency with the Atlassian Tool Suite, including Jira, Confluence, and BitbucketExperience with CI/CD pipeline tools such as Jenkins, Artifactory, and SonarQubeProficiency in programming languages such as Python, Java, Ruby, Bash, C++, C#, or GoFamiliarity with databases such as Postgres and tools like Cucumber and EclipseGeneral working knowledge of networks, storage, and virtualizationBackground in installing, configuring, and integrating COTS/FOSS productsCurrent CompTIA Security+ certification or the ability to obtainWhat 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 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 86,800 USD - 165,200 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