T and T Consulting Services, Inc.

System Administrator

• Provides advanced systems administration, infrastructure management, cybersecurity compliance, and enterprise modernization support
• Administer Windows Server, Linux systems, and enterprise infrastructure
• Manage VMware virtualization and enterprise storage solutions
• Support Cisco networking and certificate lifecycle management
• Maintain STIG compliance and RMF support activities
• Lead migrations, upgrades, and modernization projects

Senior System Administrator

Network Engineer

• Apply established technical standards and security policies for LAN topologies and network components
• Identify, analyze, and remediate network security vulnerabilities
• Install, configure, troubleshoot, and maintain enterprise network devices including Layer 2 and Layer 3 switches and routers
• Implement, troubleshoot, and support Voice over IP (VoIP) solutions
• Manage and administer Cisco Call Manager and Cisco Unity systems
• Install, relocate, troubleshoot, and remove VoIP telephones for customers as required
• Provide local common-user LAN and Campus Area Network (CAN) support, including troubleshooting and repair
• Install, configure, support, and troubleshoot Virtual Private Network (VPN) solutions for remote connectivity
• Support VPN appliances and wireless networking technologies
• Monitor LAN and CAN environments using enterprise network management tools to assess performance, analyze network activity, and ensure high network availability
• Perform network discovery, diagnostics, and fault analysis to identify and resolve network issues
• Generate and provide network utilization and performance reports
• Manage network hardware and software including configuration management and capacity management
• Develop, draft, and maintain Standard Operating Procedures (SOPs) related to network operations and support
• Maintain flexibility in scheduling to support after-hours or weekend work for special projects when required, while ensuring total work hours do not exceed 40 hours per week.

Network Administrator

• Apply established technical standards and security policies for LAN topologies and network components
• Identify, analyze, and remediate network security vulnerabilities
• Install, configure, troubleshoot, and maintain enterprise network devices including Layer 2 and Layer 3 switches and routers
• Implement, troubleshoot, and support Voice over IP (VoIP) solutions
• Manage and administer Cisco Call Manager and Cisco Unity systems
• Provide local common-user LAN and Campus Area Network (CAN) support, including troubleshooting and repair
• Install, configure, support, and troubleshoot Virtual Private Network (VPN) solutions for remote connectivity
• Monitor LAN and CAN environments using enterprise network management tools
• Generate and provide network utilization and performance reports
• Manage network hardware and software including configuration management and capacity management
• Develop, draft, and maintain Standard Operating Procedures (SOPs) related to network operations
• Maintain flexibility in scheduling to support after-hours or weekend work for special projects when required