Reinhardt Jansen
Senior Systems Administrator
Johannesburg
Summary
At Educor Holdings, I spearheaded secure network designs and cloud migrations, enhancing system efficiency by 30% and reducing costs. My expertise in IT Security Management and mentorship fostered a culture of continuous improvement and resilience. Skilled in Active Directory and team leadership, I delivered projects on time, ensuring robust, scalable infrastructures.
Overview
16
16
years of professional experience
Work History
Senior Systems Administrator
Educor Holdings (PTY) LTD
08.2008 - Current
- Designed secure network architectures, minimizing the risk of unauthorized access or data loss.
- Evaluated emerging technologies for potential integration into existing infrastructure, enhancing capabilities while maintaining costeffectiveness.
- Implemented virtualization technologies to maximize resource utilization and reduce physical server footprint in the data center.
- Developed comprehensive backup strategies to ensure data protection during disaster recovery scenarios.
- Implemented rigorous system monitoring, enabling rapid identification of potential issues before they escalated into problems.
- Improved overall system performance by optimizing hardware and software configurations.
- Coordinated with cross-functional teams on complex projects, ensuring successful completion within deadlines and budget constraints.
- Championed knowledge-sharing initiatives among team members through documentation and training sessions, promoting a culture of continuous learning.
- Troubleshooting complex technical issues, providing timely resolution to minimize impact on endusers.
- Reduced security incidents with proactive monitoring and timely patching of systems.
- Streamlined IT infrastructure management processes for increased efficiency and reduced downtime.
- Spearheaded migration efforts to cloud-based platforms, reducing operational costs and increasing scalability.
- Established standard operating procedures for consistent system maintenance across all environments.
- Increased productivity through automation of routine tasks using scripting languages such as PowerShell and Python.
- Provided technical leadership, mentoring junior team members in best practices for systems administration tasks.
- Performed software installations and upgrades to UNIX or Windows operating systems.
- Configured and tested Windows Server operating systems with roles features.
- Attended meetings to deliver status reports to key stakeholders.
- Integrated and updated software products to boost system compatibility.
- Delivered Tier 2 and Tier 3 support for problem identification, diagnosis and issue resolution.
- Spearheaded inventory control measures to replenish and maintain IT equipment.
- Mentored employees and offered constructive feedback for performance improvement.
- Contributed to development, administration and testing of disaster recovery plans.
- Orchestrated integration and communication of software upgrades.
- Conducted routine and emergency maintenance of assigned data center equipment.
- Diagnosed and resolved hardware and software issues.
- Installed and configured network printers and other peripheral devices.
- Planned and implemented upgrades to system hardware and software.
- Designed and evaluated WAN and LAN connectivity technologies.
- Implemented and maintained virtual private networks.
- Identified and resolved network congestion issues and bottlenecks.
- Devised scripts and automation tools to improve system efficiency.
Education
High School Diploma -
04.2001 -
Skills
Active Directory Management
Windows administration
IT Security Management
Incident Management
Backup and recovery
Patch management
Software Deployment
Capacity Planning
Server Hardware Maintenance
Scripting Languages
Network Administration
Data Center Operations
Virtualization Technologies
Configuration Management
High Availability Solutions
System Automation
DNS Management
Cross-Platform Integration
Group Policy management
Email Systems Administration
Software Installation
System monitoring
Network performance monitoring
Threat Assessment
System Upgrades
Technical Support
Microsoft Office Suite
PC diagnostics
Timeline
Senior Systems Administrator - Educor Holdings (PTY) LTD
08.2008 - Current
DF Malherbe High School - High School Diploma,
04.2001 -