Senior. Principal Platform IAC Engineer

Senior Principal Platform IAC Engineer – Onsite position based in Aurora, Colorado, requiring U.S. citizenship and an active TS/SCI clearance at day one. The role leads a small engineering team to develop, modernize, and maintain Infrastructure as Code (IaC) solutions across a hybrid‑cloud environment that supports a national mission‑critical program.

• Leverage industry best practices to deploy, implement, modernize, and support IaC solutions.
• Lead a small team of engineers in software customization and automation, including Ansible playbooks, templates, dashboards, and scripts.
• Integrate container development and orchestration platforms such as Kubernetes/Docker.
• Design, develop, and support build and test pipelines, optimizing for performance and scalability across on‑premise, virtualized, or cloud environments.
• Assist engineers with tool usage and issue resolution, ensuring adherence to standards and best practices.

• BS/BA in Computer Science, Computer Engineering, Information Technology, Physics, or related STEM field with a minimum of 10 years of relevant experience.
• Strong experience with integration, cloud, Kubernetes, containerization, IaP, Linux development, and microservices.
• Proficient Linux system administration (RHEL 6.0+).
• Experience with Agile development methodologies (e.g., Scrum, SAFe).
• Active TS/SCI clearance; U.S. citizenship required.

• Experience with Model Based Systems Engineering (MBSE).
• Experience deploying applications to Kubernetes.
• Experience with Atlassian tools, Cucumber, Eclipse, Git.
• Experience implementing Scaled Agile Frameworks.
• Experience with Ansible automation frameworks.
• Experience configuring and supporting CI/CD pipelines (Jira, Confluence, Bitbucket, Jenkins, Artifactory).
• Programming skills in Python, Java, Ruby, Bash, C++, C#, Go.
• Knowledge of Postgres, Sonar Qube, networks, storage, and virtualization.
• Background in installing, configuring, and integrating COTS/FOSS products.
• CompTIA Security+ or ability to obtain.

• Competitive salary range of $132,400–$251,600 USD (based on experience).
• Medical, dental, vision, life insurance, short‑term and 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.
• Short‑term and long‑term incentive compensation opportunities based on performance.
• Relocation eligibility for qualified candidates.

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, veteran status, or any other 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.