System Administrator

Company OverviewBy Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide. Position OverviewThis position is located at MacDill AFB, FL supports the Global Solutions Management-Operations II (GSM-O II), Joint Communications Support Element (JCSE). The JCSE team provides en-route, early entry, scalable C4 support to Regional Combatant Commands, Special Operations Command, and other agencies.In this role, you will be responsible for system assessments, and providing hands-on engineering support. Key elements of this position include: Participate in evaluation, selection, implementation and on-going support of software, hardware and tools used by the Enterprise Infrastructure platform; Respond to End User requests for technical support and assistance within established procedures; providing Tier II support to the Joint Network Operations Center (JNOC); developing, engineering, and recommending hardware and software solutions; and conducting cybersecurity mitigations on design solutions to comply with Risk Management Framework (RMF) cybersecurity requirements.ResponsibilitiesResponsible for implementing, tuning and maintaining LINUX server, MS Server, MS Domain Controller, MS Exchange, and VMWare vCenter, VIEW VDI, and VMware Horizon View based solutions running on virtualized infrastructure.Support SCCM Systems Manager with all aspects of server maintenance, enterprise workstation imaging, application updates and deployments and issue resolution.Designs, implements, configures, and maintains MS Server instances running on ESXi and VMware vSphere for server consolidation and virtualization.Administer, maintain, and troubleshoot Storage Area Networks (SAN) and Network Attached Storage (NAS) attached to VMware environments.Manages Active Directory Certificate Services (ADCS) and deploys Internet Information Services (IIS) on the DC.Troubleshoots, isolates and identifies problems with all servers.Monitor and manage system resources and log files to maintain operating efficiency.Perform systems security and user administration functionsDesign, implement and maintain a consistent backup and disaster recovery plan.Provide technical direction on network topologies, server configurations, hardware software deployments and other administrative tasks related to production servers.Document technical requirements, system changes, facilitate design sessions and architectural reviews.Perform vulnerability and risk analyses of computer systems and applications during all phases of the system development life cycle.Support updates to and maintenance of the POA&Ms for the JCSE Enterprise. Support development of RMF Security Plans and assist in the creation and updating of RMF accreditation packages.Perform system and application patching as required to maintain the server’s Authority to Operate (ATO) status through the Certification and Accreditation (C&A) and Risk Management Framework (RMF) processes.Troubleshoot and resolve complex problems and respond to escalated requests for technical assistance.Required Experience/QualificationsBachelor’s degree and 4+ years of experience; additional years of directly applicable experience may be accepted in lieu of a degree.Current DoD 8140 (formerly 8570) IAT Level II certification (CompTIA Security+ce, CCNA Security, CySA+, etc.)Virtualization, Linux or Microsoft CertificationSpecial Requirements/Security ClearanceActive Secret clearance requiredHave flexible working hours to be available to support team when neededJob SummaryID: 2026-11180# of Openings: 1Category: Systems SupportClearance: Tier 3 - Secret/ADP II