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

Timeline

Senior Systems Administrator - Educor Holdings (PTY) LTD
08.2008 - Current
DF Malherbe High School - High School Diploma,
04.2001 -

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Reinhardt JansenSenior Systems Administrator