> Markdown version of [/jobs/ext/3556855-principal-platform-devops-engineer-onsite](https://www.wearedevelopers.com/jobs/ext/3556855-principal-platform-devops-engineer-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Platform DevOps Engineer (Onsite) - **Company:** RTX - **Location:** Aurora, CO, United States - **Experience:** Expert - **Salary:** $107,500.0 - $204,500.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Agile Methodology, Amazon Web Services, Bash Shell, Cloud Computing, Cloud Engineering, Computer Engineering, System Configuration, DevOps, Distributed Systems, Python (Programming Language), Network Troubleshooting, Ansible, Software Deployment, Systems Integration, Scripting, Enterprise Software Applications, Infrastructure Automation Frameworks, Information Technology, Terraform, Network Server, Devsecops - **Published:** October 2, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9211599/principal-platform-devops-engineer-onsite ## About the Role * Typically requires BS/BA Degree in Science, Technology Engineering Math (STEM) in Information Technology, Computer Science, Computer Engineering, or Physics and a minimum 8 years of related work experience * Proven experience installing, configuring, hardening, and maintaining Windows environments * Hands-on experience designing, implementing, and integrating cloud infrastructure solutions, preferably with AWS * Strong experience with IaC and configuration management tools such as Terraform, Chef, and/or Ansible * Experience troubleshooting complex systems involving multiple servers, COTS products, VMs, VDIs, and/or network issues * Active and Current TS/SCI with CI Poly security clearance is required on day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, * Advanced troubleshooting skills for Windows platform, performance, reliability, and distributed system availability issues * Extensive Windows OS development and deployment experience * Proficiency with scripting languages such as Python and Bash for automation and workflow development * Experience in Active Directory designs and implementation * Experience with the Agile development lifecycle * Experience with SAFe agile processes * Knowledge of Enterprise Application development and deployment processesWindows MCSE Certification or similar security+ certification ## Description We are seeking Cleared Platform Engineers to join our team. We are looking for a Principal Platform DevOps Engineer - Windows OS for our environment; a mix of servers, workstations, storage, networks, and custom hardware, for a large Project producing a critical, strategic national asset. The skills for this need will include someone who is very familiar with the Windows Operating system and can work through the OS configuration and optimization for these environments which would involve a mixture of hands-on keyboard, engineering work, as well as documentation and baseline control. What You Will Do * You will leverage company and industry best practices and capabilities to assist with design, development, implementation, and support of DevOps / DevSecOps development of our Windows based hosts for the project * You will support software deployment of templates, dashboards, and scripts to support program need for the effort * You will Design, implement, generate code through DevOps concepts and scripting tools, test, document, and maintain the system * You will assist with development of build/test and integration, optimizing for performance and scalability across our on-premises and Cloud based computing environments * You will provide guidance on resource allocation & utilization * You will assist engineers with Windows based tool usage and issues, leveraging standards and best practices, * Onsite 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 products This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process.