Senior Systems Administrator — TS/SCI Clearance

SageCor Solutions LLC.; Maryland; On-site; USD 120,000 - 180,000; Full time

Job summary

SageCor Solutions LLC is actively seeking a senior System Administrator in Maryland with TS/SCI w/ Polygraph. The role requires hands-on IT systems support, troubleshooting, and Tier 1/2 incident management across UNIX/Windows environments and complex networks.

You will ensure system reliability, security policy adherence, and proactive capacity planning for client/server/storage devices. The position emphasizes collaboration with agency management, incident communication, and efficient problem

Qualifications

• Provide support for implementation, troubleshooting and maintenance of IT systems
• Manage the daily activities of configuration and operation of IT systems
• Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems
• Provide assistance to users in accessing and using IT systems
• 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.
• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
• Provide support for the escalation and communication of status to agency management and internal customers
• Optimize system operations and resource utilization, and perform system capacity analysis and planning
• Provide support for the dispatch system and hardware problems and remains involved in the resolution process
• Provide in-depth experience in trouble-shooting IT systems
• Configure and manage UNIX 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 performance
• Provide detailed analysis and feedback to agency management and internal customers for escalated tickets

Responsibilities

• Provide support for implementation, troubleshooting and maintenance of IT systems
• Manage the daily activities of configuration and operation of IT systems
• Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems
• Provide assistance to users in accessing and using IT systems
• 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.
• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
• Provide support for the escalation and communication of status to agency management and internal customers
• Optimize system operations and resource utilization, and perform system capacity analysis and planning
• Provide support for the dispatch system and hardware problems and remains involved in the resolution process
• Provide in-depth experience in trouble-shooting IT systems
• Configure and manage UNIX 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 performance
• Provide detailed analysis and feedback to agency management and internal customers for escalated tickets

Skills

IT Systems Support

Troubleshooting

Tier 1 Support

Tier 2 Escalation

User Assistance

UNIX/Windows

System Monitoring

Network Config

Capacity Planning

Documentation

Education

Bachelor's degree in a technical discipline

Job description

SageCor Solutions LLC is actively seeking a senior System Administrator in Maryland with TS/SCI w/ Polygraph. The role requires hands-on IT systems support, troubleshooting, and Tier 1/2 incident management across UNIX/Windows environments and complex networks.

You will ensure system reliability, security policy adherence, and proactive capacity planning for client/server/storage devices. The position emphasizes collaboration with agency management, incident communication, and efficient problem