Senior Systems Administrator
#1. 8+ years hands-on experience deploying, administering, and upgrading Windows and Linux servers in a large IT environment (> 200 servers)
#2. 8+ years hands-on experience and maintaining enterprise IT infrastructure.
#3. 8+ years hands-on experience deploying, administering, and upgrading Windows 20XX operating systems.
#4. 8+ years hands-on experience deploying, administering, and upgrading Microsoft Active Directory.
Responsibilities of the Senior Systems Administrator:
- Configure, maintain, monitor, upgrade, and support the VMWare private cloud infrastructure environments
- Configure, maintain, monitor, upgrade, and support Linux and Windows virtual servers including expertise in Active Directory, DNS, DHCP, Replication, SMB, DFSR, etc.
- Maintain, monitor, upgrade, and support the Institute’s network and cyber-security infrastructure
- Manage the Institute’s Disaster Recovery plan by ensuring RPO and RTO are achieved and tape backups are performed on scheduled basis
- Monitor database performance and recommend changes
- Monitor and administer storage devices
- Support enterprise-wide work initiatives and projects
- Recommend improvements that increase system security, reliability, and performance
- Provide Infrastructure Support for multiple developed systems and applications of medium to high complexity ensuring control, integrity, and accessibility.
- Provide Support for enterprise applications such as Alfresco, Confluence, SharePoint, and custom developed web applications
- Provide support for business-critical applications
- Responsible for deploying and managing security SSL Certificates, MFA Infrastructure, and 802.1X
- Support and comply with the Institute’s Information Security Management System (ISO/IEC 27001:2013)
- Manage security awareness program
- Participate in IT audits and cybersecurity assessments at regular intervals.
- Maintain, manage and support cyber-security devices, applications, and appliances.
- Primary point of contact with the Institute’s Security Operations Center (SOC) and manage the relationship.
- Ensure delivery of clear and concise performance and up time repots to management on a daily basis.
- Keep current on the cybersecurity, regulatory, and threat landscapes
- Perform upgrades, patches and updates to production applications and servers
- Provide technical assistance to members of the IT Department
- Prepare project plans, implementation scheduling, and coordinate new site installations
- Document system and network infrastructure and application processes and configurations