Senior Systems Administrator - Windows

ClearanceJobs

United States

United States

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À propos

divh2Senior Systems Administrator/h2pValidatek is seeking a Senior Systems Administrator to join our mission-focused IT Operations team supporting Department of Defense (DoD) customers. This role is responsible for the administration, security, and reliability of enterprise Windows-based systems, ensuring compliance with DoD cybersecurity and operational standards. The ideal candidate is a hands-on technical expert with deep experience in Active Directory, DNS, DHCP, Group Policy, MS SQL, and SMB file shares, capable of managing large, complex environments with precision and accountability./ppShift: Monday - Friday: 7:00am - 3:30pm CST/ppResponsibilities:/pulliManage, maintain, and secure Windows Server environments across multiple domains and enclaves./liliAdminister and troubleshoot Active Directory (AD), DNS, DHCP, Group Policy, and SMB file shares./liliSupport and maintain Microsoft SQL Server databases, including patching, backups, and performance optimization./liliApply and validate DoD STIGs to maintain compliant system configurations./liliContribute to RMF (Risk Management Framework) documentation and accreditation activities./liliMaintain accurate system documentation, standard operating procedures (SOPs), and change records./liliCollaborate with cross-functional teams to resolve complex infrastructure issues and enhance service reliability./liliAutomate operational workflows using PowerShell, Ansible, Python, and Bash./liliParticipate in system monitoring, patching, and configuration management cycles./li/ulpQualifications:/pulliU.S. Citizenship (required)./liliActive Secret Clearance with ability to obtain Top Secret./lili8+ years of hands-on experience as a Systems Administrator in a DoD or enterprise IT environment./liliDeep technical expertise in:/liulliWindows Server Administration/liliActive Directory, DNS, DHCP, Group Policy/liliSMB File Shares and NTFS permissions/liliMS SQL Server management and maintenance/liliOpen Systems Interconnection (OSI) Model and network layer troubleshooting/liliProven experience implementing DoD STIGs and supporting RMF compliance./liliSolid understanding of network fundamentals, including IP addressing, VLANs, and routing./liliStrong communication and problem-solving skills in mission-critical environments./li/ul/ulpPreferred Qualifications:/pulliExperience with Linux Administration (RHEL, CentOS, or Ubuntu)./liliExperience using Ivanti Security Controls for agent and agentless patch management/liliFamiliarity with ITIL v4 and Knowledge-Centered Services (KCS) frameworks./liliAutomation experience using Ansible, PowerShell, Python, and Bash./liliExperience with VMware vSphere, Hyper-V, or other virtualization platforms./liliPrior work supporting classified or air-gapped environments./li/ulpEEO Statement: ValidaTek is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, or disability status. Applicants who are selected for employment will be required to verify authorization to work in the United States. Offers of employment will be contingent upon passing a post-offer background check./ppGroup ID: 10338469/ppRecruiter: Recruiter/p/div

United States

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English

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