Principal Platform Engineer – Linux Infrastructure & Modernization

Description

This role leads the design, operation, and modernization of secure Linux-based platforms supporting on-premise mission systems. The position balances deep infrastructure expertise with automation, containerization, and modernization initiatives while sustaining critical legacy environments.

Responsibilities

• Engineer, maintain, and modernize Linux-based infrastructure platforms supporting on-prem mission systems

• Administer and optimize Linux server and operating system environments across development, test, and production

• Support and manage virtualized infrastructure using VMware technologies

• Design and execute platform provisioning, configuration, and lifecycle management processes

• Maintain and integrate COTS software stacks within secure enterprise environments

• Develop and maintain automation and scripting solutions using tools such as Python, Bash, or similar languages

• Implement and manage configuration management and orchestration tools (e.g., Ansible, Chef)

• Support containerized platforms using Docker, Kubernetes, and Rancher where applicable

• Contribute to platform hardening, security compliance, and DevSecOps-aligned practices

• Participate in Agile delivery frameworks including Scrum and SAFe

Requirements

• Strong hands-on experience with Linux server and OS administration in enterprise or mission environments

• Experience supporting VMware-based infrastructure

• Programming or scripting proficiency using Python, Bash, Java, or comparable languages

• Experience with platform provisioning, configuration, and full lifecycle management

• Familiarity managing commercial off-the-shelf (COTS) software stacks

• Working knowledge of Agile methodologies, including Scrum and SAFe

Preferred / Modernization Experience

• Experience with configuration management and automation tools such as Ansible or Chef

• Exposure to container orchestration and runtime platforms, including Kubernetes, Docker, and Rancher

• Familiarity with AWS or cloud-adjacent environments

• Experience with system hardening and security-focused platform engineering

Security & Certifications

• Active TS/SCI clearance with CI Poly, required on day one

• Security+ certification, or ability to obtain within 90 days of hire