Systems Administrator II

Systems Administrator IIJob Category: TechnologyLocation: San Antonio, TX, USADescriptionKey ResponsibilitiesSystems AdministratorProvide overall technical leadership for enterprise systems operations, including hardware, software, networking, and infrastructure componentsDirect and monitor day-to-day operations for enterprise computing environmentsTranslate business requirements into enterprise IT designs, architectures, and technical solutionsPerform engineering analysis and integration of enterprise service alternatives to support modernization initiativesLinux Systems SpecialtyServe as the primary SME for Linux/UNIX environments (RHEL, CentOS, Ubuntu, etc.)Administer, configure, and optimize Linux-based systems in physical and virtual environmentsPerform system tuning, performance optimization, and root-cause analysis of complex issuesSupport patching, upgrades, and lifecycle management of Linux systemsImplement automation using Bash, Python, or similar scripting toolsInfrastructure Operations & TroubleshootingMonitor, diagnose, and resolve issues across:Servers (Linux & Windows)Network systemsStorage environments (SAN/NAS)Applications and enterprise servicesUtilize advanced tools to identify and resolve performance bottlenecks and system failuresTroubleshoot and resolve complex infrastructure issues affecting production systemsProvide proactive improvements to enterprise infrastructure design and performanceSystems Installation, Maintenance & SupportInstall, configure, and maintain:Servers and workstationsOperating systems (Linux, UNIX, Windows)Applications and patchesSupport both physical and virtualized environmentsOperate and maintain backup and recovery systems, including SAN-based solutionsConduct routine testing, validation, and integration of enterprise solutionsCustomer & Operational SupportInterface with end users and operations personnel to provide technical support and service deliveryEnsure systems meet operational requirements and service level expectationsProvide technical guidance and recommendations for system enhancements and modernizationRequired QualificationsBachelor's degree in Computer Science, Engineering, or related field (or equivalent experience)TS/SCI clearance- must be active.3+ years of experience in enterprise systems engineering or operations3+ years of hands-on experience with Linux/UNIX systems administrationStrong experience with:Enterprise infrastructure (servers, storage, networking)SAN technologies and backup systemsVirtualization platforms (VMware, Hyper-V, or similar)System monitoring and diagnostic toolsProven ability to troubleshoot and resolve complex system issuesRequired CertificationsSecurity+Linux Foundation Certified System Administrator (LFCS)CompTIA Linux+Key CompetenciesDeep technical expertise in Linux systems and enterprise infrastructureStrong analytical and problem-solving skillsAbility to integrate business needs with technical executionExcellent communication and stakeholder engagement skillsCommitment to operational excellence and continuous improvementWork Schedule: This position is for Monday-Friday 0700-1600 with minimal need to resolve emergency outages after hours and weekends.We will accept applications for this position until 05/22/2026 or until filled.Aleut offers the following benefits to eligible employees:Health insuranceDental/Vision insurancePaid Time OffShort- and Long-Term DisabilityLife insurance401k and matchAleut Federal, LLC provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity or genetics. In addition to federal law requirements, AF complies with applicable state and local laws governing nondiscrimination in employment in every location where the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. AF prohibits workplace harassment based on race, color, sex, religion, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.