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Keywords: Principal Linux Administrator (Secret Clearance Required), Location: Tucson, AZ

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Principal Linux Administrator (Secret Clearance Required)

: Role Overview: RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure... date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: DoD Clearance: Secret...

Location: Tucson, AZ
Posted Date: 17 Jan 2026
Salary: $86800 - 165200 per year

Senior Principal High Performance Computing (HPC) Administrator P4 ONSITE Tucson, AZ

: Active and existing security clearance required on day 1 Senior Principal High Performance Computing (HPC) Administrator P4... is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status...

Location: Tucson, AZ
Posted Date: 21 Jan 2026

Sr. Principal System Administrator

are eligible for a security clearance​ Security Clearance Type: Secret - Current Security Clearance Status: Active and existing..., or an advanced degree and 5 years of direct experience. Active and transferable U.S. government issued top secret security clearance...

Location: Tucson, AZ
Posted Date: 24 Jan 2026

Principal System Administrator

is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: Secret - Current At Raytheon, the foundation... U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens...

Location: Tucson, AZ
Posted Date: 17 Jan 2026
Salary: $82000 - 164000 per year

Senior Principal System Administrator

is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: Top Secret - Current At Raytheon, the foundation..., or an advanced degree and 5 years of direct experience. Active and transferable U.S. government issued top secret security clearance...

Location: Tucson, AZ
Posted Date: 17 Jan 2026