System Administrator – TS/SCI Clearance, Night Shift

Independent Software, Inc.; Annapolis (MD); On-site; USD 65,000 - 90,000; Full time

Job summary

Independent Software, Inc. is seeking a System Administrator Level 1 to support the administration, maintenance, monitoring, and security of enterprise systems and applications that underpin mission-critical operations.

You will maintain servers, troubleshoot issues, support users, and help ensure systems remain secure, available, and performing at high levels. The role requires collaboration with IT teams on upgrades, deployments, and security controls.

Qualifications

• Experience in system administration and maintenance
• Experience supporting servers, operating systems, applications, and enterprise IT environments
• Strong hardware troubleshooting skills
• Experience providing remote technical assistance and remote desktop support
• Ability to diagnose and resolve system, application, and network-related problems
• Experience with system monitoring, performance, availability, and capacity management
• Knowledge of system security controls, access management, endpoint protection, and firewalls
• Experience supporting system upgrades, migrations, patching, and configuration changes
• Strong troubleshooting, documentation, communication, and teamwork skills
• Ability to support escalated technical issues and provide guidance to less experienced personnel
• Must be able to work Wednesday - Sunday, 10:00 PM - 6:00 AM
• Must be available for the initial training schedule of Monday - Friday, 6:00 AM - 2:00 PM

Responsibilities

• Monitor, manage, and maintain servers, operating systems, and key applications
• Apply patches, updates, and configuration changes in accordance with change management procedures
• Perform routine system health checks, capacity planning, and performance tuning
• Diagnose and resolve system, application, and network-related issues
• Provide advanced technical support for escalated issues from help desk and Tier 1 teams
• Support user account management, permissions, and access controls
• Install, configure, and deploy new systems, applications, and tools
• Assist with system upgrades, migrations, and integrations
• Document system configurations, procedures, and standards
• Help implement and monitor security controls, including antivirus, endpoint protection, firewalls, and access management
• Participate in audits, risk assessments, and remediation activities
• Use monitoring tools to track system performance, availability, and capacity
• Respond to alerts, incidents, and outages and perform root cause analysis and corrective actions
• Prepare reports on system health, incidents, and improvements
• Collaborate with network, security, applications, and help desk teams on technical initiatives and projects
• Contribute to IT process improvements, standards, documentation, and system architecture improvements

Skills

System administration

Windows & Linux servers

Network troubleshooting

Remote desktop support

Patch management

Security controls

Monitoring & performance tuning

Incident response

Documentation

Change management

Collaboration

Security clearance awareness

Education

High School Diploma or GED

Bachelor's degree

Job description

Independent Software, Inc. is seeking a System Administrator Level 1 to support the administration, maintenance, monitoring, and security of enterprise systems and applications that underpin mission-critical operations.

You will maintain servers, troubleshoot issues, support users, and help ensure systems remain secure, available, and performing at high levels. The role requires collaboration with IT teams on upgrades, deployments, and security controls.