
Systems Administrator, Senior | Top Secret clearance w/SCI eligibility
Chantilly, VAFull-time$130–150K/yrPosted 2w agoStill listed today
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
AMERICAN SYSTEMS seeks a customer-focused Senior Systems Administrator to provide Tier II operational support for a high-visibility federal customer mission. The role supports a secure enterprise environment in an Enterprise Operations Center in Chantilly, Virginia, and is full-time, onsite, first shift. The position is anticipated to relocate to Arlington, Virginia, at a future date.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Overview
AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a motivated, customer-focused Senior Systems Administrator to provide Tier II operational support for a high-visibility customer mission.
In this full-time, onsite first-shift role, you will help maintain the availability, performance, security, and reliability of a complex enterprise IT environment within an Enterprise Operations Center (EOC) in Chantilly, VA.*
*This role is anticipated to relocate to Arlington, VA, at a future date.
Responsibilities
As a Senior Systems Administrator with AMERICAN SYSTEMS, you will:
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Provide Tier II systems administration and operational support for a secure enterprise environment.
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Monitor, troubleshoot, and resolve system availability, performance, security, and configuration issues.
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Administer and support key technologies, including:
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VMware vCenter, Horizon View, and Site Recovery Manager
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SolarWinds, Cisco Catalyst Center (DNAC), and GEMOne
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HP SANs and enterprise storage platforms
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MS Certificate Services, PKI, Active Directory, Group Policy, DNS, and DHCP
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MS Windows Server and desktop operating systems
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Backup, recovery, endpoint protection, and systems-management tools
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Maintain the health, performance, and availability of multi-user systems.
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Partner with network, cybersecurity, engineering, service desk, and customer teams to resolve operational issues.
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Analyze requirements and support the integration, configuration, and sustainment of supported platforms.
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Participate in ITIL service management, including incident, problem, and change management activities.
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Prepare, document, and execute approved change requests.
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Develop and maintain Standard Operating Procedures (SOPs), knowledge articles, and technical documentation.
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Support project and engineering teams with testing, packaging, release preparation, and production integration.
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Apply applicable security requirements, hardening guidance, and operational best practices.
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Provide technical guidance to junior Systems Administrators and Systems Engineers.
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Participate in shift turnover and document incidents, actions taken, and outstanding risks.
Qualifications
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Active Top Secret clearance with SCI eligibility.
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One of the following combinations of education and experience:
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Bachelor’s degree and 5+ years of systems support or administration experience
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Associate’s degree and 7+ years of relevant experience
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High school diploma and 11+ years of relevant experience
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Current DoD 8140 IAT Level II certification, such as Security+ CE.
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Ability to obtain a DoD 8140 computing-environment certification within 6 months of hire, such as MCSA, VCP, or equivalent.
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Experience supporting Microsoft Windows environments, including Windows Server 2008–2022, Windows 10/11, Exchange, Active Directory, DNS, Group Policy, PKI, workstation/server hardware, backup, antivirus, DHCP, and TCP/IP.
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Working knowledge of VMware and Cisco systems, including vSphere or Horizon View, Cisco networking devices, and TACLANE encryption devices
Pay Transparency Statement AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $130,000.00/Yr. - USD $150,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance. EEO Statement EEO Race/Sex/Disability Status/Veteran Status
How this job compares
Set against the 2,422 open Systems Administrator jobs on Olive Jobs, counted November 10, 2026.
- Pay
- This posting$130–150K/yr
- Virginia median$97–161K/yr177 salary ranges
- US median$95–149K/yr1,490 salary ranges
This range's midpoint, $140K, is 8% above the Virginia median midpoint ($130K) — in the middle half of Systems Administrator salary ranges in Virginia.
- Openings
- Olive Jobs lists 234 open Systems Administrator jobs in Virginia and 2,422 across the US. 5% of them nationwide are listed as remote or flexible.
- Hiring the most in Virginia
- CACI International23 open
- Leidos19 open
- General Dynamics Information Technology16 open
- Experience
- This posting asks for at least 7 years of experience — more than three in four Systems Administrator postings that state a minimum ask for (median 5 years, across 2,024 postings).
- Education
- 347 of the 2,422 open Systems Administrator jobs (14%) ask for a bachelor's 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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