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Linux System Administrator Security Clearance

Job in San Antonio, Bexar County, Texas, 78292, USA
Listing for: Set of X
Full Time position
Listed on 2026-07-29
Job specializations:
  • IT/Tech
    Systems Administrator, IT Support, Network Administrator
Job Description & How to Apply Below
Position: Linux System Administrator with Security Clearance
WE ARE HIRING OWNERS
Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership Because who you work with matters.
________________________________________________________________________ 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.

Required Skills:

* 10+ years of experience as a System Administrator supporting programs and contracts of similar scope, type, and complexity.

* 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.
Experience/

Education:

Bachelor’s degree in a technical discipline from an accredited college or university.
Five (5) additional years of System Administration experience may be substituted for a Bachelor’s degree.
Ten (10) years of relevant System Administration experience is required. Clearance:
TS/SCI clearance with polygraph is required.

Total Compensation Package We offer a comprehensive compensation package designed to support your well-being and professional growth. Our competitive base salary is complemented by an extensive benefits program, including:
* Health, Dental, and Vision Insurance:
Comprehensive coverage to keep you and your family healthy.

* Life and Disability Insurance:
Peace of mind with financial protection for you and your loved ones.

* 401(k) Plan:
No personal investment required to benefit from a generous employer contribution, allowing you to maximize your take-home pay.

* Paid Time Off:
Enjoy time away from work to recharge.

* Technology Refresh:
Upgrade your devices regularly, or opt for a year-end bonus if you don’t need new tech.

* Training and Professional Development: A $5,250 annual budget for ongoing education, certifications, and professional memberships. Or use this annual benefit to repay a student loan tax-free.
For a full overview of our benefits, please visit our benefits tab. Additional

Perks and Benefits
* Stock Plan:
Become an equity owner with a yearly stock grant—let’s build the future together.

* Flex Leave and Exchange Plan:
Take up to 8 weeks off for a strong work-life balance or sell back unused time for double the value!

* Virtual Office Compensation:
Monthly reimbursement for cell phone and internet services.

* Fringe Benefit Mall:
Choose from perks like Uber rides, a beer of the month club, Amazon Prime, and Hello Fresh—whatever suits you best!

* Profit-Sharing Cash Bonus:
Share in the company’s success with an end-of-year cash bonus.

* Referral Bonus:
Help us grow by bringing in top talent and earn a bonus for each successful referral.
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