**Description** SAIC currently has a career opportunity for a Principal Cyber Systems Administrator (SA) in our Andover, Massachusetts facility to support the US Space Force (USSF). Job Duties: + Manage and maintain currently supported and subsequent Microsoft Server Operating Systems (OS) on physical and virtual operating environments. + Manage and maintain Microsoft Windows Desktops. + Install, deploy, and manage RHEL Linux-based servers. + Manage RHEL patch repositories. + Researching, designing, developing and/or modifying Gov cloud systems to include AWS, Google or Azure. + Implement and manage DoD PKI on test and production environments. + Review Information Assurance Vulnerability Management (IAVM) scans and perform mitigations as part of achieving system certification and accreditation. + Develop, build, and deploy MS Group Policies to meet DISA Security Technical Information Guides (STIG) requirements. + Support operational transition of enterprise solutions into production + Implement NOTAMs upon receipt. + Document and address any System related POAMs. + Act as intermediary for local production system and offsite Network Operations Center. + Recommend and procure hardware and software solutions in the support of the existing system architecture and any proposed architectures as required. + Act as File Transfer Agent for multiple programs. + Maintain System backups. + Assist in patching and upgrading all computer systems and applications. + Assist in remediating/mitigating system vulnerabilities. Learning opportunities: + The installation and maintenance of the SIEM tool (Splunk). + The installation and maintenance of Oracle 12c and 19c Database Servers as well as Oracle Weblogic 12c Application Servers in the production, system test, and development environments. + Red Hat deployments, upgrades and management duties. + Deployment and management of Trellix ePO, ACAS, WSUS, MS Exchange and SQL Server Applications. **Qualifications** Required Education and Experience: + BA/BS Degree (4 additional years of experience can be substituted for degree). + 5+ years of relevant experience. + 2+ years of experience in a classified environment. + Current DoD 8140 Cyber Workforce Certificates (CE) Intermediate (Example Security+, SSCP). + Active Top Secret/SCI security clearance. + Knowledge of network and information system security principles and test practices. + Demonstrated experience with Windows Server 2016/2022. + Demonstrated experience with the configuration and maintenance of Cisco switches or managed network switches. + Experience in virtualization, Active Directory. + Experience with SELinux to implement DoD and Space Force security policies. + Experience with Cloud technologies to include firewall, VPCs, Load Balancers, native cloud databases, Kubernetes, etc. + Knowledge of ICD 503, NIST Special Publications, Intel Community Directives, DoD Issuances, etc. + An independent problem solver with troubleshooting, decision-making and analytical skills. SAIC accepts applications on an ongoing basis and there is no deadline. Covid Policy: SAIC does not require COVID-19 vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site. REQNUMBER: 2501962 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability