Principal Platform Engineer

RTX

Principal Platform Engineer supporting C5I product line at RTX. Leading platform architecture and DevSecOps efforts to deliver mission-critical solutions.

Posted 6/4/2026full-timeRemote • Massachusetts • 🇺🇸 United StatesLead💰 $107,500 - $204,500 per yearWebsite

Tech Stack

Tools & technologies

AnsibleCyber SecurityDockerJenkinsKubernetesLinuxPythonTerraformVMware

About the role

Key responsibilities & impact

Own the platform architecture and define modernization strategies for C5I mission systems
Lead the development of resilient, scalable, and secure platform environments using Linux, Kubernetes, Docker, Terraform, Ansible, Artifactory, and related technologies
Influence program‑level decisions involving hardware/software trade‑offs, COTS selection, platform reuse, and requirements synthesis
Architect end‑to‑end DevSecOps workflows to support high‑frequency, high‑quality deployments across MDS programs
Oversee CI/CD pipelines (Jenkins, GitLab CI/CD) to ensure secure, automated build, test, and release processes at scale
Drive initiatives that raise DevSecOps maturity, expand Infrastructure‑as‑Code adoption, and increase automation coverage
Lead cross‑program integration efforts spanning Software, Systems Engineering, Cybersecurity, Platform and Integration & Test teams
Conduct advanced debugging and performance optimization across distributed and containerized environments
Establish platform engineering standards and best practices across multiple MDS and C5I product lines
Represent the platform engineering discipline in major design reviews, customer meetings and technical boards
Mentor and guide Platform Engineers, providing technical direction and fostering a culture of learning and collaboration
Provide leadership in Agile Scrum/Kanban environments, supporting planning, estimation and technical execution

Requirements

What you’ll need

Typically requires a Bachelor’s in Science, Technology, Engineering or Mathematics (STEM)
Minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations
Expert‑level experience in Linux platform engineering and administration
Experience with Docker, Kubernetes, Terraform, Ansible and virtualization tools such as VMware/KVM
Experience with scripting and automation tools such as Python, Bash and PowerShell
Experience with CI/CD systems (Jenkins, GitLab CI/CD) and secure build/deployment architectures
Experience architecting or leading mission‑critical platform or DevSecOps environments for distributed or real‑time systems
Technical leadership experience, including task delegation, decision‑making, and cross‑team collaboration
Ability to obtain U.S. government issued Secret security clearance is required after start date.

Benefits

Comp & perks

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
holidays

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

LinuxKubernetesDockerTerraformAnsibleJenkinsGitLab CI/CDPythonBashPowerShell

Soft Skills

technical leadershiptask delegationdecision-makingcross-team collaborationmentoringcommunicationplanningestimationcollaborationculture of learning

Certifications

Bachelor’s in ScienceTechnologyEngineeringMathematicsU.S. government issued Secret security clearance