Senior Linux SysAdmin (TS/SCI) - Onsite

RTX; Richardson (TX); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation assistance

Benefits package

Job summary

RTX in Richardson, TX is seeking a Principal Linux System Administrator to support a classified program. You will build, maintain, and secure IT systems and work with program developers and engineers to resolve complex issues. This onsite role requires TS/SCI clearance and DoD IAT Level 2 certification.

Relocation assistance is available, and RTX emphasizes trust, respect, accountability, collaboration, and innovation as core values. Salary range 86,800–165,200 USD, with comprehensive benefits.

Qualifications

• Active TS/SCI clearance required prior to start.
• Bachelor's degree with 5+ years of experience or Master's with 3+ years.
• Active DoD 8570 IAT Level 2 certification or higher.
• Experience with Red Hat Linux, patching, RPMs, performance tuning, and security hardening.
• Experience installing and administering VMware ESXi/vCenter.

Responsibilities

• Support Linux systems in a classified environment as a Linux System Administrator.
• Build, maintain and secure IT systems and support mission-critical capabilities.
• Collaborate with developers and system engineers to troubleshoot and resolve issues.
• Provide after-hours and on-call support as needed.
• Occasional travel and 100% onsite work in Richardson, TX.

Skills

Linux admin

VMware ESXi

Security hardening

LDAP

Patch management

Bash/Python scripting

DoD 8570 IAT Level 2

AWS/Cloud concepts

Windows administration

Education

Bachelor’s degree

Master’s degree

Tools

Red Hat Enterprise Linux

VMware ESXi/vCenter

Terraform

Ansible

Chef

LDAP

Job description

RTX in Richardson, TX is seeking a Principal Linux System Administrator to support a classified program. You will build, maintain, and secure IT systems and work with program developers and engineers to resolve complex issues. This onsite role requires TS/SCI clearance and DoD IAT Level 2 certification.

Relocation assistance is available, and RTX emphasizes trust, respect, accountability, collaboration, and innovation as core values. Salary range 86,800–165,200 USD, with comprehensive benefits.