Corey T. Williams
Technical Support Engineer | Cybersecurity & Incident Response | Cloud Security | CyberDefender
- Role
- Senior System Administrator at MANTECH
- Location
- Norfolk, VA, US
- LinkedIn followers
- 500 followers
About Corey T. Williams
As an ITIL v4 Certified Technical Leader and Air Force Non-Commissioned Officer (NCOIC)…
Experience
Senior System Administrator
Jun 2024 — Present · VA, US
Providing support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.• Management of IT system infrastructure and any processes related to those systems• Providing support to IT systems including day-to-day operations, monitoring, and problem resolution for client/server/storage/network devices• Providing problem identification, diagnosis, and resolution of problems.• Configuration and management of Windows operating systems and installing/loading operating system software• Administering and securing network switching and routing devices• Managing and maintaining network security through the use of access controls and path management• Managed virtual machines (VMs), including provisioning, monitoring, and performance tuning to meet organizational requirements.• Performing daily activities of configuration and operation of IT systems.• Providing Tier 2 / Tier 3 problem identification, diagnosis, and resolution of problems.• Optimizing system operations and resource utilization and performing system capacity analysis and planning.• Configuring and managing Windows operating systems and installing/loading operating system software.• Implementing operating systems enhancements improving reliability and performance.• Providing detailed analysis and feedback to customers.
Skills
- Public Speaking
- Teaching
- Child Development
- Special Education
- Curriculum Design
- Microsoft Excel
- Microsoft Office
- Sales
- Leadership
- Training
- Customer Service
- Case Management
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