Senior Linux Systems Architect – DoD TS Clearance

Prattwhitney; Plano (TX); On-site; USD 110,000 - 205,000; Full time

Benefits offered by this job

Medical insurance

401(k) match

Paid time off

Job summary

RTX in Plano, TX seeks a Sr. Principal Linux Systems Administrator to lead secure, cross-functional IT infrastructure for classified programs. You will manage RHEL environments, collaborate with Cybersecurity, mentor staff, and drive end-to-end solutions.

This role requires DoD clearance, U.S. citizenship, and the ability to obtain DoDD 8140/8570 certifications; regular 24x7 operations and occasional overtime.

Qualifications

• Active and transferrable final U.S. government issued Top Secret security clearance is required prior to start.
• U.S. citizenship is required for security clearance eligibility.
• DoD 8140/8570 certification requirements (DoDD) are preferred.

Responsibilities

• Manage and optimize Red Hat Enterprise Linux infrastructure for reliable IT operations.
• Serve as a senior technical resource to maintain confidentiality, integrity, and availability of systems.
• Collaborate with Cybersecurity to ensure security requirements compliance and provide guidance.
• Mentor junior admins and lead operational tasks and maintenance.
• Lead technical meetings with teams and stakeholders to ensure best practices.
• Develop and enforce system administration processes and standards.
• Participate in Change Request reviews and Change Management Boards.
• Support DoD TS DoDD 8140/8570 certification requirements.
• Support 24x7 operations, occasionally beyond standard hours.

Skills

Scripting (Python/Go)

Education

University degree or equivalent

Tools

VMware

OpenShift

Kubernetes

Docker

Tanzu

Podman

Terraform/Ansible

Windows Administration

Job description

RTX in Plano, TX seeks a Sr. Principal Linux Systems Administrator to lead secure, cross-functional IT infrastructure for classified programs. You will manage RHEL environments, collaborate with Cybersecurity, mentor staff, and drive end-to-end solutions.

This role requires DoD clearance, U.S. citizenship, and the ability to obtain DoDD 8140/8570 certifications; regular 24x7 operations and occasional overtime.