Senior Linux SysAdmin | TS/SCI Clearance | Equity

Set of X; San Antonio (TX); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Stock Plan

Flex Leave and Exchange Plan

Virtual Office Compensation

Fringe Benefit Mall

Profit-Sharing Cash Bonus

Referral Bonus

Job summary

Set of X is seeking an experienced System Administrator to lead and support a mission-focused IT environment. The role emphasizes enterprise IT infrastructure, Linux systems, and high-stakes troubleshooting across servers, storage, and networks.

The ideal candidate will have 10+ years in system administration, a technical bachelor’s degree, and the ability to work independently. TS/SCI clearance with polygraph is required, with a comprehensive compensation package and ongoing professional

Qualifications

• Bachelor’s degree in a technical discipline from an accredited college or university.
• Ten (10) years of relevant System Administration experience is required.
• Five (5) additional years of System Administration experience may be substituted for a Bachelor’s degree.
• Experience administering and troubleshooting Linux operating systems.
• Experience supporting enterprise IT infrastructure, including servers, storage, networks, and end-user systems.
• Strong troubleshooting, problem-solving, and communication skills.
• Ability to work independently and effectively in a mission-focused environment.

Responsibilities

• Provide implementation, troubleshooting, maintenance, and operational support for IT systems.
• Provide Tier 1 and Tier 2 support, including problem identification, diagnosis, escalation, and resolution.
• Configure, administer, monitor, and maintain Linux operating systems.
• Support servers, storage, networks, mobile devices, and other IT infrastructure.
• Install, configure, patch, and troubleshoot operating systems and network components.
• Monitor system performance, optimize resource utilization, and support capacity planning.
• Troubleshoot complex hardware, software, operating system, and network issues.
• Provide technical analysis and status updates to management and internal customers.
• Support hardware and dispatch system issues through resolution.
• Implement system enhancements to improve reliability, availability, and performance.

Skills

System Administration

Linux

IT Infrastructure

Troubleshooting

Communication

Education

Bachelor’s degree in a technical discipline

Job description

Set of X is seeking an experienced System Administrator to lead and support a mission-focused IT environment. The role emphasizes enterprise IT infrastructure, Linux systems, and high-stakes troubleshooting across servers, storage, and networks.

The ideal candidate will have 10+ years in system administration, a technical bachelor’s degree, and the ability to work independently. TS/SCI clearance with polygraph is required, with a comprehensive compensation package and ongoing professional