Senior IS Systems Administrator

The Senior Systems Administrator develops and maintains all systems, applications, security and network configurations.Responsible for installing new software releases, system upgrades, installing patches and resolving server and desktop related issues.Troubleshoots network performance issues and maintains a disaster recovery plan to include routine backup and recovery.Engineer solutions, research, and plans for adoption of new technologies to provide a competitive advantage to the company.Establishes practices, procedures, and concepts related to Information Technology as it relates to the organization.Administers Collateral, Special Access Program (SAP) and Sensitive Compartmented Information (SCI) information systems (IS).Handles system administration and cyber security such as antivirus maintenance and patching for Classified systems, as well as end-user system support for Unclassified systems. This is a dual-role position supporting both the Classified systems and Unclassified Enterprise. - Maintain customer-required Information Assurance (IA) certifications such as Security+ as required - Work with security personnel to identify and remediate findings - Schedule, perform, and maintain records of Operating System patching, application patching, system maintenance, antivirus updates, and software/hardware changes - Implement and maintain system backups as needed - Deploy and configure desktops/laptops, printers, networking devices, and software - Troubleshoot network hardware/software (routers, switches, etc.) - Install/upgrade operating systems and application software - Image systems with Microsoft Development Toolkit (MDT) - Diagnose Windows 11, Office 2019/2022/2024/365 and other application issues - Malware and virus removal/repair - Track and maintain computer assets using asset management tools - Provides analysis related to the design, development, and implementation of hardware and software solutions - Manage all aspects of Windows Active Directory infrastructure - Manage LINUX-based systems - Support secure communications equipment including STE/VIPER phones and TACLANE Encryptors. - Installation, configuration, and support of servers, enterprise storage and associated equipment, network and direct attached storage systems and associated equipment - Plan and coordinate system utilization, and perform growth analysis and capacity planning - Review current system and make technical/process recommendations for improving efficiency - Develop, implement, manage, and maintain security standards, procedures, and guidelines for multiple platforms - Develop scripts and automation to improve operations productivity - Deploy servers for new or existing projects; keep deployed systems current with OS, hardware and software patches and upgrades - Demonstrate professionalism in response to customer requests - Coordinate with customers to upgrade, retire or consolidate applications and server hardware as appropriate - Research and/or contact vendors regarding technical problems and solutions - Troubleshoot servers - Document systems deployments and configurations Classified system administration experience should include: - Experience administering systems in a classified environment - Patching and Security hardening of classified systems - Basic knowledge of federal security requirements and mandates [e.g., RMF, Federal Information Processing Standards (FIPS), National Institute of Standards and Technology (NIST)] - Security hardening and Certification & Accreditation experience - Experience with classified networks/environments such as JWICS and SGN as well as secure communications devices including STE/VIPER phones and TACLANE Encryptors. Technica