Systems Administrator Expert

Provides support for implementation, troubleshooting andmaintenance of information Technology (IT) systems. Manages ITsystem infrastructure and any processes related to these systems.Provides support to IT systems including day-to-day operations,monitoring and problem resolution for all of theclient/server/storage/network devices, mobile devices, etc. ProvidesTier 1 (Help Desk) and Tier 2 (Escalation) problem identification,diagnosis and resolution of problems. Provides support for theescalation and communication of status to agency management andinternal customers. Provides support for the dispatch system andhardware problems and remains involved in the resolution process.Configures and manages UNIX, Linux and Windows operating systemsand installs/loads operating system software, troubleshoots, maintainsintegrity and configures network components along with implementingoperating systems enhancements to improve reliability andperformance.Provide support for implementation, troubleshooting and maintenance of IT systems.Provide configuration management, implementation, and sustainment of compliance with applicable system security controls.Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.Implement IAVA security patches and insure patch status is recorded in appropriate systems of record.Provide support for the escalation and communication of status to agency management and internal customersOptimize system operations and resource utilization, and perform system capacity analysis and planningProvide in-depth experience in trouble-shooting IT systemsProvide detailed analysis and feedback to agency management and internal customers for escalated ticketsConfigure and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performanceCommunicate and coordinate with the Information System Security Officer (ISSO) and Information System Owner (ISO) regarding system changes as part of the Change and Configuration Management ProcessSupport the ISO by completing required milestones of Plan of Action & Milestones (POA&M)as directed and coordinate completion status with the ISSO to reflect status within the Source System of Record for Security AuthorizationsEnsure IT Assets remain compliant with Identity & Access Control Management (ICAM) policy.Provide Tier 2 (Escalation) problem identification, diagnosis and resolution of problemsSupport the design of systems, mission architecture and associated hardwarePossess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)Analyze and resolve complex problems associated with server hardware, applications and software integrationSupport the design of systems, mission architecture and associated hardwarePossess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)Analyze and resolve complex problems associated with server hardware, applications and software integrationWHAT YOU’LL NEED TO SUCCEED:Bachelor’s degree in a technical discipline from an accredited college or university is required. Four years of additional SA experience may be substituted for a bachelor’s degree.Fifteen years experience as a SA in programs and contracts of similar scope, type, and complexity is required.Six years of experience with Service Management (ITSM) is required.ITIL 4 platform certification is required.Four years of experience with ServiceNow platform is required.Two years’ experience integrating ServiceNow with other applications is required.Security Clearance Level: TS/SCI w/PolyLocation: On Customer SiteUS Citizenship RequiredGDIT IS YOUR PLACE:● Full-flex work week to own your priorities at work and at home● K with company match● Comprehensive health and wellness packages● Internal mobility team dedicated to helping you own your career● Professional growth opportunities including paid education and certifications● Cutting-edge technology you can learn from#ITPolyMD

Created: 2025-11-27