Tier 2, System Administration

System Administration & Maintenance

Monitor, manage, and maintain servers, operating systems, and key applications.

Apply patches, updates, and configuration changes to systems in accordance with change management procedures.

Perform routine system health checks, capacity planning, and performance tuning.

User Support & Troubleshooting

Provide advanced technical support for escalated issues from help desk/Tier 1 teams.

Diagnose and resolve system, application, and network-related problems.

Assist with user account management, permissions, and access controls. Implementation & Configuration

Install, configure, and deploy new systems, applications, and tools.

Assist in system upgrades, migrations, and integrations.

Document system configurations, procedures, and standards.

Security & Compliance

Ensure systems adhere to security best practices and organizational policies.

Help implement and monitor security controls such as antivirus, endpoint protection, firewalls, and access management.

Participate in audits, risk assessments, and remediation activities.

Monitoring & Reporting

Use monitoring tools to track system performance, availability, and capacity.

Respond to alerts, incidents, and outages, performing root cause analysis and corrective actions.

Prepare reports on system health, incidents, and improvements for management. Collaboration & Process Improvement

Collaborate with IT teams (network, security, applications, help desk) on cross-functional initiatives and projects.

Contribute to the development and refinement of IT processes, standards, and documentation.

Provide input on technology selection and system architecture improvements.

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Required Skills

DoD 8570 IA Type: IAT Level 1 DoD 8570 CE

Certification Requirements: CompTIA A+ CE, CompTIA Network+ CE

Hardware Remote Assistance Remote Desktop

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About Castello Systems, Inc.

At Castello Systems, we are focused on delivering solutions. One way we do this is through the integration of COTS products into our customer's enterprise. We are successful because we are experts in the tools we integrate and are experts in the intricacies of our customer’s enterprise. Many of our peers fail because they are not able to bring these two components together. When Castello Systems is brought in, our folks have access to all the resources across the company and through our partnerships with COTS vendors. When you have one of us, you have all of us. Castello Systems prefers completion based contracts. This gives us the flexibility to bring to bear the right level of expertise and when needed to deliver. Castello Systems specialize in architecting, implementing, and executing Enterprise Management through the use of industry leading technologies such as OpenText Software, Splunk, and Elastic Stack.