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Junior Linux Systems Administrator

CACI International

San Antonio, TXFull-time$60–123K/yrSeen 2 days agoSeen in employer's feed 2 days ago

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At a glance

Compensation
$60–123K/yr
Location
San Antonio, TX
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Security+ Certification, requiredTS/SCI clearance, requiredAssociate's degree, required

Job overview

The Junior Linux Systems Administrator works in a software development environment supporting exercises for military customers. The role designs, configures, and manages testing and exercise networks; builds and maintains Linux servers and network infrastructure; configures Active Directory environments; executes security scans; prepares operating system distributions for exercise sites; and maintains equipment inventory.

Skills & qualifications

RequiredNice to have

Skills

Linux Administration, requiredActive Directory Management, requiredGroup Policy Management, requiredPowerShell Scripting, nice to haveNetworking, nice to haveVirtual Desktop Infrastructure, nice to haveOracle RDBMS, nice to haveFortify, nice to haveACAS, nice to haveSTIGs, nice to have

Qualifications

Security+ Certification, requiredAssociate or Bachelor's in Related Field, requiredTwo Years Related Experience, requiredObtain and Maintain TS/SCI Clearance, required

Benefits

Paid Time Off
Medical Insurance
401(k) Match
Tuition Assistance

Full job description

Job Title: Junior Linux Systems Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: None

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local


The Opportunity:

What You’ll Get to Do:

Works in a software development environment supporting exercises for military customers.

More About the Role:

Design, configure and manage Testing and Exercise networks. Create and maintain Linux servers, CISCO switches and networks. Build networks utilizing both physical and virtual hardware. Design and set up Active Directory domains, group policies, organizational units, groups, and accounts to customize training and development environments. Execute security scanning packages such as ACAS among others. Prepare O/S distributions to supported exercise sites. Maintain inventory of laptops, desktops, servers, test equipment and Uninterruptible Power Supply (UPS).

Qualifications:

Required:

  • Linux administration, support and usage

  • Active Directory management

  • Group Policy management

  • Security+ certification

  • Technical Degree (Associates or Bachelors) in Computer Science, Engineering, Mathematics, Sciences, etc.

  • Two years of related experience

  • Must be able to obtain and maintain a TS/SCI security clearance

Desired:

  • PowerShell/scripting

  • Networking: Switches/Routers/Firewalls

  • Virtual Desktop Infrastructure

  • Oracle RDBMS

  • Fortify

  • ACAS

  • STIGs

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range :

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The proposed salary range for this position is:

$60,100 - $123,200

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

How this job compares

Set against the 2,407 open Systems Administrator jobs on Olive Jobs, counted November 10, 2026.

Pay
  • This posting$60–123K/yr
  • Texas median$87–140K/yr47 salary ranges
  • US median$95–150K/yr1,475 salary ranges

This range's midpoint, $92K, is 20% below the Texas median midpoint ($115K) — in the lowest quarter of Systems Administrator salary ranges in Texas.

Openings
Olive Jobs lists 133 open Systems Administrator jobs in Texas and 2,407 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most in Texas
Experience
This posting asks for at least 2 years of experience — less than three in four Systems Administrator postings that state a minimum ask for (median 5 years, across 2,012 postings).
Education
This posting asks for an associate degree; 379 of the 2,407 open Systems Administrator jobs (16%) ask for an associate degree or higher.

Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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