Senior Principal: Secret-Cleared Systems Admin Onsite

RTX; El Segundo (CA); On-site; USD 118,000 - 225,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life insurance

Short-term disability

Long-term disability

401(k) match

Flexible spending accounts

Flexible work schedules

Employee assistance program

Scholar Program

Parental leave

Paid time off

Holidays

Job summary

RTX in El Segundo, CA is seeking a Systems Administrator to join a highly collaborative, multi-platform environment onsite. The role requires an active DoD Secret security clearance and U.S.

citizenship, with responsibility for deploying and maintaining classified IT infrastructures onsite. You will manage RedHat Enterprise Linux and Windows servers, lead infrastructure installs, mentor junior admins, and ensure 24x7 operations.

Qualifications

• Active security clearance required after day 1.
• DoDD 8140 / 8570 certification within a reasonable time.
• Experience with RedHat Enterprise Linux and mixed Linux/Windows environments.
• U.S. citizenship or eligibility for security clearance required.

Responsibilities

• Provide IT systems administration in a heterogeneous RedHat Enterprise Linux and Windows environment.
• Lead and coordinate infrastructure installation and configuration.
• Collaborate with teams and mentor junior admins.
• Ensure systems are operational 24x7 and perform beyond standard hours when needed.

Skills

Linux

Windows Servers

Virtualization

Infrastructure management

Security clearance

Scripting (Ansible, Bash)

Education

University degree or higher

Tools

NAS

SAN

RedHat Enterprise Linux

Ansible

Bash

Job description

RTX in El Segundo, CA is seeking a Systems Administrator to join a highly collaborative, multi-platform environment onsite. The role requires an active DoD Secret security clearance and U.S.

citizenship, with responsibility for deploying and maintaining classified IT infrastructures onsite. You will manage RedHat Enterprise Linux and Windows servers, lead infrastructure installs, mentor junior admins, and ensure 24x7 operations.