Apply on Employer Site

RTX · 1 day ago

Principal Linux Administrator (Secret Clearance Required)

TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 USA

Full-time

Onsite

Senior Level, Lead/Staff

$87K/yr - $165K/yr

5+ years exp

RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. The Principal Linux Administrator role involves supporting a highly virtualized Enterprise infrastructure with a focus on Linux-based systems, implementing automation solutions, and ensuring the reliability and security of Linux systems in a mission-critical setting.

AerospaceManufacturingSecuritySensorTelecommunications

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Provide support for on-premises cloud environments, including both Linux and Windows operating systems, with a focus on automation and system optimization

Manage and maintain on-premises Infrastructure-as-a-Service (IaaS) and Platform-as-a-Service (PaaS) environments

Develop, deploy, and maintain automation scripts and tools to streamline system administration tasks, including provisioning, configuration management, and monitoring

Deliver CDS services within the assigned technology domain across various security levels and IT environments as required

Provide timely and effective customer support for service requests, incident resolution, and operational troubleshooting

Support the deployment, transition, and release activities for newly developed on-premises cloud services and CDS solutions

Qualification

Linux system administrationAutomation toolsVMWare managementDoD 8570 certificationIaaSPaaS managementAgile toolsSecurity policies knowledgeSystem maintenanceCustomer service skillsScripting knowledgeCollaboration skillsProblem-solving skills

Required

Typically requires a University Degree or equivalent experience and a minimum 5 years of experience, or an Advanced Degree and a minimum 3 years experience

Experience supporting Linux operating systems in enterprise environments

Experience managing VMWare virtual environments

Certification: Existing DoD 8570 security certification (e.g., Security X, Security+, CISSP), or the ability to obtain one within 6 months of starting

Active and transferable U.S. government issued Secret Security Clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Preferred

Familiarity with Agile tools such as Atlassian Jira and Confluence

Knowledge of security policies related to IT systems in secure environments, with a focus on Linux

Proficient in performing system maintenance, installations, upgrades, and backups on Linux systems

Team-oriented with strong collaboration skills across multiple sites

Ability to learn and follow documented policies and standards

Excellent customer service, communication, and process documentation skills

Strong understanding of on-premises cloud environments, including Linux operating systems

Proficiency in automation tools and frameworks such as Ansible, Terraform, PowerShell, or Python

Experience with managing and maintaining Infrastructure-as-a-Service (IaaS) and Platform-as-a-Service (PaaS) environments

Ability to troubleshoot and resolve system-related issues effectively and efficiently

Familiarity with system monitoring, configuration management, and scripting to optimize operations

Strong problem-solving skills and a collaborative mindset to work within a team environment

Benefits

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

Company

RTX

Glassdoor3.8

RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.

Founded in 1922

Arlington, Virginia, USA

10001+ employees