Summary
Overview
Work History
Education
Skills
Timeline
Reinhardt Jansen

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 -

DF Malherbe High School, Port Elizabeth, South Africa
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 -
Reinhardt JansenSenior Systems Administrator