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# Principal Platform Software Engineer (Onsite)

- **Company:** RTX
- **Location:** Independence, TX, United States
- **Experience:** Expert
- **Salary:** $118,300.0 - $224,900.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Microsoft Windows, Agile Methodology, Confluence, JIRA, Bash Shell, C Sharp (Programming Language), C++ (Programming Language), CompTIA Security+, Cyber Security, System Configuration, Linux, Digital Technology, Networking Hardware, Python (Programming Language), Performance Tuning, Scrum Methodology, Ansible, Ruby, Systems Architecture, System Software, Systems Integration, Virtualization Technology, Infrastructure as Code (IaC), Gitlab, Containerization, Kubernetes, Infrastructure Automation Frameworks, Rancher, Bitbucket, Hardware Infrastructure, Terraform, Devsecops, Docker, Jenkins, Artifactory, Golang, Programming Languages
- **Published:** November 6, 2026
- **Apply:** https://www.adzuna.com/details/5952851463

## 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, * Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant engineering experience.

 * Expertise in architecting, designing, documenting, implementing, deploying and integrating software and infrastructure platform services on Linux/Windows Operating Systems and Virtualization technologies using Infrastructure as Code (IaC)
 * Experience with infrastructure automation and configuration management tools such as Terraform and/or Ansible
 * Experience with Agile Development Methodologies, e.g., Scrum or SAFe
 * Active and transferable Top Secret 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.

Qualifications We Prefer

 * Active and transferable U.S. government issued Top Secret security clearance with Special Program Access.

 * Current CompTIA Security + or ability to obtain within 90 days
 * Experience deploying, configuring, and supporting CI/CD Pipelines tools (E.g. Jira, Confluence, Bit Bucket, Jenkins, Artifactory, Gitlab)

 * Background in COTS/FOSS product installation, configuration, and integration
 * Multi-disciplined infrastructure experience and expertise (Server, Storage, Network Hardware)
 * Experience with programming languages (E.g. Python, Java, Ruby, Bash, C++, C#, Go).
 * Experience troubleshooting performance, reliability, and availability issues across Linux/Windows based platforms and infrastructure services
 * Experience with containerization using technologies such as Kubernetes, Docker, Podman, Helm, Rancher

## Description

The Principal Platform Software Engineer would be involved with development and implementation of traditional compute, network, storage systems and related deployments, as well as support improving the program's over-arching platform design through new emerging technologies. This includes existing operating systems and server hardware designs, as well as supporting the design and development of new modernized system architectures through automation tools.

What You Will Do

 * Work directly with Infrastructure Architect to design, develop, and maintain the platform architecture
 * Implement identified modernization strategies for the Program Work Environment (PWE) and mission-critical systems
 * Serve as Platform Engineering team technical lead and subject matter expert (SME) for design, development, implementation, deployment and integration of software and infrastructure platform services on Linux and Windows based Operating Systems
 * Write Infrastructure as Code (IaC) in support of transitioning a system that is tightly coupled to the underlying infrastructure to a modern platform infrastructure
 * Contribute to the design, implementation, and maintenance of CI/CD pipelines to streamline and enhance platform engineering development and delivery processes
 * Work closely with software developers, program subject matter experts (SMEs), Digital Technology (DT) and Cybersecurity teams to implement and maintain reliable, secure and compliant solutions across multiple environments
 * Establish platform engineering standards and best practices driving initiatives that raise DevSecOps maturity, expand Infrastructure-as-Code adoption, and increase automation coverage
 * Provide direct mentoring and technical oversight for junior platform engineering team members
 * Communicate technical concepts to multiple stakeholders including external customers, program leadership, and development teams
 * This job is onsite in Plano, TX; applicants must be in the area or willing to relocate