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Senior Infrastructure Systems Administrator - PlatformsCACI International • New Bremen, Ohio, United States
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Senior Infrastructure Systems Administrator - Platforms

CACI International
  • US
    New Bremen, Ohio, United States
  • US
    New Bremen, Ohio, United States
Jetzt Bewerben

Über

Role Overview As a Senior Infrastructure Platforms Administrator, you will serve as a senior operational contributor responsible for the administration, sustainment, and troubleshooting of enterprise infrastructure platforms across a STIG-compliant, multi‑site DoD environment. Your core focus is execution: keeping production systems healthy, resolving complex issues efficiently, and delivering reliable day‑to‑day operations. What You Will Do Active Directory Administration Windows Server Administration DNS/DHCP Management PKI and Certificate Services Group Policy Operations Cross-Platform Troubleshooting System Security and Compliance Monitoring and Incident Response Documentation and Change Governance ServiceNow Queue Management Scripting and Automation Collaboration Team Support Why It Might Be a Fit The successful candidate must be able to communicate clearly and succinctly both written and orally, and present products and ideas in a business‑like manner. The candidate will be required to work in dynamic fast‑paced environments that require team interaction and coordination of efforts. Requirements Bachelor's degree in Computer Science, Information Technology, or a related field, OR 7+ years of directly relevant enterprise infrastructure experience qualifying under TESA. Active TS/SCI security clearance. Minimum 5 years of experience in Windows systems administration with demonstrated depth across Active Directory, Group Policy, DNS/DHCP, and PKI/Certificate Services in multi‑site environments. Demonstrated ability to troubleshoot complex, multi‑system issues that span technology boundaries rather than staying siloed in a single platform area. Experience producing operational documentation, runbooks, or technical writeups that capture not just actions taken but rationale and replication steps. Moderate to strong PowerShell scripting skills for automation, reporting, and bulk administrative operations. Experience with Git/GitLab for version‑controlled documentation and merge‑request‑based workflows. Experience operating in DISA STIG‑hardened environments with practical knowledge of vulnerability remediation and ACAS scan workflows. Familiarity with ServiceNow or equivalent ITSM platforms for ticket management, change requests, and incident tracking. Familiarity with network protocols and services (DNS, DHCP, TCP/IP) and virtualization technologies (VMware, Hyper‑V). Baseline familiarity with Enterprise Linux (Red Hat), sufficient to understand cross‑platform dependencies and coordinate with Linux‑focused engineers on the team. CompTIA CASP+/SecurityX, CISSP, or equivalent DoD 8570/8140 IAT Level III certification. Ability to work OCONUS at a U.S. military installation in Stuttgart, Germany. Benefits healthcare wellness financial retirement family support continuing education time off benefits
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  • New Bremen, Ohio, United States

Sprachkenntnisse

  • English
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