Keywords: Senior IT specialist, intelligence community support, secure systems administration, classified networks, systems engineer, SDLC, Microsoft, Active Directory, Cloud, help desk, service desk, system administrator, troubleshooting, IAT II, security+, windows, Azure, powershell, bash, python, java, javascript, information technology, polygraph, CI Poly, W2, Hiring, opentowork, TS/SCI environment, cybersecurity operations, information assurance, risk management framework (RMF), NIST and ICD compliance, identity and access management (IAM), linux, RHEL, upgrade, configuration, STIG, privileged access control, incident response, vulnerability management, threat analysis, secure communications, cross-domain solutions, data protection, encryption technologies, configuration management, systems integration, enterprise IT architecture, cloud services (AWS GovCloud, Azure Government), virtualization, network security, zero trust architecture, collaboration platforms, knowledge management, help desk and tiered support, user training and briefing, requirements analysis, stakeholder engagement, change management, auditing and compliance reporting, disaster recovery and continuity of operations (COOP), metrics and performance reporting, Agile and ITIL practices, technical documentation, operational excellence. Responsibilities: Deliver community management and help desk support, resolving access issues, answering feature-related inquiries, and triaging incidents during core support hours.