Senior. Principal Platform DevSecOps Engineer; Onsite

Responsibilities

• Contribute to the architecture, design, integration, and support of platform and infrastructure environments across build, integration & test, and production stages, ensuring optimal performance, reliability, and scalability within cloud-based ecosystems.
• Utilize industry and company best practices to enhance scalability, consistency, and infrastructure efficiency, reducing deployment time and automating configuration management.
• Collaborate closely with software engineers, data scientists, and agile development teams to design and implement resilient and scalable platform solutions.
• Embed security and compliance measures into the platform, including encryption and access management services.
• Provide ongoing operational support to maintain stability, functionality, and performance of the platform.

• BS/BA in Computer Science, Computer Engineering, Information Technology, Physics, or a STEM field, plus a minimum of 10 years of related experience.
• Experience installing, configuring, and maintaining Red Hat Linux operating systems.
• Experience with automation frameworks such as Terraform, Ansible, and Chef for infrastructure deployment and management.
• Programming or scripting proficiency in Python and Bash for automation, configuration, and system operations.
• Active TS/SCI with CI/Poly security clearance required on day 1; U.S. citizenship is mandatory.

• Experience designing, implementing, and integrating cloud-based systems on platforms like AWS.
• Experience analyzing performance and troubleshooting applications and infrastructure services on Linux-based operating systems.
• Strong background in managing and troubleshooting servers, networks, storage, and virtualization technologies.
• Proficiency in a Dev Sec Ops  framework for developing, testing, and delivering applications.
• Experience with cloud platforms, preferably AWS, including design, deployment, and securing cloud services.
• Hands‑on experience with AWS services such as EC2, EKS, S3, Cloud Watch, IAM, and VPC, focused on secure and scalable deployments.
• Proficiency in designing, implementing, and integrating platform infrastructure services using containerization technologies such as Kubernetes, Docker, and/or Podman.
• Hands‑on experience deploying, configuring, and supporting CI/CD pipeline tools such as Jira, Confluence, Jenkins, Artifactory, Git Lab, and Helm.
• Familiarity with security scanning tools like Nessus and with COTS/FOSS products, including installation, configuration, and integration.
• DoD 8570 IAT Level II Certification, such as Security+ CE or equivalent.

Security Clearance:
Active TS/SCI with CI ARM/Polygraph is required on day 1.

Location:

Aurora, CO.

Salary Range: 132,400 USD – 251,600 USD.

Benefits include 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.

Equal Opportunity

Employer:

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.