Systems Administrator
Aurora, COJobSeen 2 days agoSeen in employer's feed 2 days ago
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
ManTech seeks a motivated, customer-oriented Systems Administrator to join its team in Aurora, Colorado. The role provides Tier 2 and Tier 3 support, manages IT system operations, and supports client/server, storage, network, and mobile devices. The administrator configures Linux and Windows systems, maintains network components, and improves system reliability and performance. A technical bachelor's degree may be substituted with an additional five years of systems administration experience.
Skills & qualifications
Skills
Qualifications
Full job description
MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team in Aurora, Colorado.
Responsibilities include but are not limited to:
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Provide Tier 2 and Tier 3 problem identification, diagnosis and resolution.
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Manage the daily activities of configuration and operation of IT systems.
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Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.
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Provide support for the escalation and communication of status to agency management and internal customers.
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Optimize system operations and resource utilization, and perform system capacity analysis and planning.
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Provide support for the dispatch system and hardware problems and remains involved in the resolution process.
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Configure and manage Linux and Windows (or other applicable) operating systems, install/loads operating system software, troubleshoot.
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Maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
Minimum Qualifications:
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Bachelor's degree in technical discipline; an additional 5 years of systems administration experience might be substituted for a degree.
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15+ years' experience as a Systems Administrator or in related IT roles.
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Experience with Red Hat Enterprise Linux (RHEL).
Preferred Qualifications:
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Experience with cloud infrastructure administration, preferably AWS.
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Familiarity with Windows.
Clearance Requirements:
- Active TS/SCI with Polygraph.
Physical Requirements:
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Needs to be able to provide hardware transferring support.
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Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.
MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.
How this job compares
Set against the 2,238 open Systems Administrator jobs on Olive Jobs, counted November 4, 2026.
- Pay
- This postingNot listed
- Colorado median$97–146K/yr123 salary ranges
- US median$40–48/hr116 hourly ranges
- Openings
- Olive Jobs lists 168 open Systems Administrator jobs in Colorado and 2,238 across the US. 5% of them nationwide are listed as remote or flexible.
- Hiring the most in Colorado
- American Systems Corporation21 open
- Apex Systems13 open
- Northrop Grumman9 open
- Experience
- This posting asks for at least 15 years of experience — more than three in four Systems Administrator postings that state a minimum ask for (median 5 years, across 1,882 postings).
- Education
- 376 of the 2,238 open Systems Administrator jobs (17%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 4, 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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