Senior Systems Administrator
Listed on 2026-03-01
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IT/Tech
IT Support, Cybersecurity, Systems Engineer
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Job Category:
Information Technology
Time Type:
Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type:
Regular
Percentage of
Travel Required:
Up to 10%
Type of Travel:
Local
* *
* The Opportunity
CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems, manage IT system infrastructure and any processes related to these systems. The Senior Systems Administrator will Configure and manage primarily Windows and some UNIX operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.
Responsibilities
- Provide the daily activities of configuration and operation of IT systems
- Provide assistance to users in accessing and using IT systems
- Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
- Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
- Provide support for the escalation and communication of status to agency management and internal customers
- Optimize system operations and resource utilization, and perform system capacity analysis and planning
- Provide in-depth experience in trouble-shooting IT systems
- Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
- Provide support for the dispatch system and hardware problems and remains involved in the resolution process
- Configure and manage primarily Linux/Unix (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance
- TS/SCI with polygraph clearance
- 10 years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree.
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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.
Your potential is limitless. So is ours.
Learn more about CACI here.
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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…
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