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Über
Our client is prime on a contract that is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, from daily troubleshooting needs to the verification of system performance. Day to Day Responsibilities: Systems Administration & Operations Administer and troubleshoot Linux and Windows servers in AWS GovCloud and manage on-prem HP thin clients, including maintaining gold images and deploying updates. Administer VMware infrastructure (vCenter/vSphere/ESXi), including provisioning, configuration, performance monitoring, and lifecycle management of virtual machines. Perform patching, OS updates, and configuration reviews using Ansible Automation Platform; apply DISA STIGs and other hardening standards to maintain compliance. Monitor system performance, resource utilization, and capacity to ensure availability and support lifecycle planning. Identity & Access Management Manage Active Directory forests, domains, and OUs, including users, groups, and hardware objects (thin clients, servers, VMs), Group Policy Objects (GPOs), and access controls. Perform account provisioning, deprovisioning, and periodic access reviews in accordance with ICAM standards. Administer enterprise ICAM and PKI/PKE services, including certificate issuance, renewal, and authentication integration. Backup, Security, and Compliance Manage backup and recovery solutions in line with Business Continuity and Disaster Recovery (BCDR) requirements. Support Asset Management by automating the reporting of assets, ensuring accurate system inventories for audits, compliance, and lifecycle management. Support security audits and vulnerability assessments by providing system data, implementing remediation actions, and maintaining audit-ready configurations. Execute system changes and upgrades in accordance with program change and configuration management processes. Support & Collaboration Provide Tier 2 incident response by troubleshooting escalated issues, restoring service, and escalating to Tier 3 as needed. Directly assist end users and mission partners with escalated system issues requiring administrative intervention. Collaborate with cloud, security, and network engineers to support enterprise services while maintaining clear system administration scope. Develop and maintain system documentation, including SOPs, baseline configurations, and technical knowledge articles. Required Skills: Bachelor's degree + a minimum of 6 years Systems Administration experience Maintain DoD 8570/8140 IAT Level II or III certification Identity & Access Management (IAM/ICAM) experience Experience with Operational Support & Documentation
Sprachkenntnisse
- English
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