**Description** We are currently seeking a seasoned Senior Systems Administration Manager to manage and maintain our IT infrastructure. The successful candidate will manage a team of 5-10 direct reports responsible for ensuring reliability, stability, and efficiency of our core systems and services. The role involves a mix of proactive management, routine maintenance, and rapid response to emergent issues. **This position is contingent on funding and will be located in Arlington, VA.** **Key Responsibilities** + Oversee and manage the installation, configuration, and maintenance of our organization's server infrastructure, including operating systems and applications + Ensure optimal performance of IT systems through routine evaluation, updating, and testing + Maintain data center environmental and monitoring equipment, ensuring all systems are operating within the set parameters + Lead technical resolution of high-level system issues, conducting root cause analysis, and preventing future occurrences + Develop and maintain comprehensive documentation of processes, policies, system configurations, and network maps + Administer and support core Microsoft, Cisco, and VMware technologies + Manage end-user accounts, permissions, access rights, and storage allocations in accordance with best-practices regarding privacy, security, and compliance + Perform system backups and recovery procedures to ensure data protection and availability + Coordinate and communicate with stakeholders regarding IT systems and project updates + Manage and mentor junior system administration staff, delegating tasks and projects as necessary + Stay current with new technologies and best practices in systems administration to drive innovation and efficiency within the organization **Qualifications** **EDUCATION AND EXPERIENCE:** + Bachelor’s degree in information technology, Computer Science, or a related field + 8-10 years of experience in system administration, with a proven track record in a senior role + Strong technical knowledge of network and PC operating systems, particularly Windows Server 2012/2016/2019, Linux, and Mac OS + Extensive experience with VMware or equivalent virtualization platforms, as well as containerization technologies + Familiarity with TCP/IP protocols, firewall management, and database administration + Hands-on experience with Active Directory/LDAP user and group administration + Professional certifications (e.g., Microsoft Certified Systems Administrator (MCSA), VMware Certified Professional (VCP), etc.) are advantageous + Excellent problem-solving skills, with the ability to prioritize and execute tasks in a high pressure environment + · Strong communication and interpersonal skills, capable of writing proposals and making presentations to a non-technical audience **WORK ENVIRONMENT:** + This position may require on-call availability and occasional overtime + Participation in disaster recovery drills and activities + Some travel may be required for the purpose of off-site system maintenance and troubleshooting **CLEARANCE REQUIREMENT:** + Must have an active SECRET clearance 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: 2501786 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