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RTX · 2 weeks ago

Principal Linux Systems Administrator

CO108: 16201 East Centretech Parkway 16201 East Centretech Parkway Building S78, Aurora, CO, 80011 USA

Full-time

Onsite

Senior Level, Lead/Staff

$82K/yr - $164K/yr

5+ years exp

RTX is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. The Principal Linux Systems Administrator will support a Raytheon program in a classified environment, focusing on building, maintaining, and securing IT systems while supporting mission-critical capabilities.

AerospaceManufacturingSecuritySensorTelecommunications

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

You will be supporting a Raytheon program in a classified environment as a Principal Linux System Administrator in Aurora, CO

Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities

You will work closely with program developers and system engineers to research issues, determine root causes and implement solutions to system problems

Must be able to support occasional after-hour maintenance and on-call support

Must be able to lift to 35 pounds in support of hardware installations

Occasional travel may be required for installation support

This position is a 100% onsite role

Qualification

Linux AdministrationSecurity ClearanceDoD 8570 IAT Level 2VMware AdministrationAWS AdministrationAutomation ToolsTroubleshootingUser ManagementPerformance TuningNetworkingSecurity Hardening

Required

Typically requires bachelor's and minimum of 5 years of relevant prior experience or a master's degree and 3 years of experience

Must have an active and transferable U.S. government issued TS/SCI with polygraph security clearance is required prior to start date

U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Must have an active DoD 8570 IAT Level 2 certification (or higher) on start date

IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND

Experience administering Red Hat Enterprise Linux

Experience with patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening

Experience Installing, administering, and troubleshooting recent versions of VMware (ESXi and vCenter)

Preferred

Deployment and administration of systems in Amazon Web Services (AWS)/Commercial Cloud Services (C2S)

Using and developing with automation tools/frameworks such as Terraform, Ansible, and Chef as well as scripting - particularly in Bash and Python

Experience administering Windows based systems

Demonstrated ability to work independently and troubleshoot problems with efficiency

Ability to effectively interact with external personnel on significant technical matters often requiring coordination between organizations and vendors

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