Summary
Overview
Work History
Education
Skills
Accomplishments
OfficeManager
Mark Marais

Mark Marais

Network Security Specialist
Pretoria,GP

Summary

I am a detail-oriented and results-driven IT Security Analyst & Network Administrator with a proven track record of success in developing new system security plans, performing security evaluations and penetration tests, and coordinating various IT Security projects.

Overview

8
8
years of professional experience
2
2
Languages

Work History

Security Specialist - Cordys Africa

Frik Basson
Pretoria
03.2020 - Current
  • Provided safety reports and data analysis to building managers to inform security processes.
  • Scanned computer networks for vulnerabilities, surfacing and addressing potential holes at program and firewall level.
  • Oversaw software configurations and updates for systems across departments.
  • Investigated network breaches and patched flaws, preventing future infiltration.
  • Created and implemented security network framework across Firewall devices.
  • Managed and supported organization-wide privacy and security management measures.
  • Drafted detailed security policy to govern and support technology decisions.
  • Resolved virus and malware issues with 95% success rate.
  • Completed vulnerability scans to identify at-risk systems and remediate issues.
  • Maintained high levels of data integrity by implementing and monitoring information-safety programs.
  • Maintained data management and storage systems to protect data from compromise.
  • Outlined and maintained security patching schedule to efficiently address ongoing system issues.
  • Delivered network system upgrade on time, under budget and with minimal service interruption.
  • Planned and oversaw configuration changes for security infrastructure platforms.
  • Encrypted data and erected firewalls to protect confidential information.

IT Manager - Mesogroup Systems & Automations

Sisco Gweru
Pretoria
01.2017 - 11.2019
  • Adjusted project plans to account for dynamic targets, staffing changes and operational specifications.
  • Guided organizational technology strategy and roadmaps.
  • Conferred with executives to advise and plan for short-term and long-term IT system upgrade needs.
  • Updated customers and senior leaders on progress and roadblocks.
  • Led technology selection and rollout, focusing on organizational planning and supplier service-level agreements.
  • Assisted in development of long-term strategies to grow department and resources.
  • Communicated with executive team and CEO to maximize development efficiencies and resolve technology issues.
  • Wrote policy, procedure and manuals governing internal IT use.
  • Coordinated IT operations activities to deliver smooth flow of daily business needs.
  • Applied leading theories and concepts to development, maintenance and implementation of information security standards, procedures and guidelines.
  • Planned and oversaw configuration changes for security infrastructure platforms.
  • Developed, implemented and documented security programs and policies and monitored compliance across departments.

Network Engineer - Mesogroup Systems & Automation

Sisco Gweru
Pretoria
02.2015 - 12.2016
  • Initiated and managed network test facilities to verify network hardness and resilience.
  • Provided network support services for devices such as hubs, bridges, routers and other hardware.
  • Performed troubleshooting for Mikrotik, Cisco Meraki and packet analysis.
  • Integrated fixed wireless connectivity into facilities requiring high-speed networks using Cambium and Unifi Products.
  • Configured and troubleshot VoIP and multi-media distributed systems and platforms.
  • Provided complete end-to-end engineering and installation of route-based IP network solutions.
  • Performed virtual machine provisioning and VM priority setup.
  • Created VPN infrastructure and allowed for secure remote connections.
  • Assisted with implementation and support of network monitoring tools.
  • Monitored network capacity and performance to diagnose and resolve complex network problems.
  • Provided detailed network diagrams and procedural guidelines.

Web Developer - Doqnet

Mike Rolfe
Johannesburg
01.2014 - 12.2014
  • Designed, implemented and monitored web pages, plugins and functionality for continuous improvement.
  • Developed web apps using pre-made user interface frameworks such as Codeigniter, Laravel and Mendix.
  • Alternated between frontend and backend development duties, fulfilling Full Stack development commitments on 4 projects.
  • Worked in both HTML and CSS environments, choosing each protocol, where appropriate, for best results.
  • Pulled from PHP, SQL, JavaScript and other back-end library knowledge to bolster programming resources.
  • Collaborated with marketing, representing web team to establish project goals, projections and milestones.
  • Led effort to develop companion application programming interface (API) for web app, to facilitate third-party plugins.

Education

No Degree -

Unisa
Pretoria
04.2001 -

Cambium Network Certified - Network And Wireless Adminitration

Cambium Networks
Pretoria
04.2001 -

MTCNA - Computer Networking And Telecommunications

Pearson
Pretoria
04.2001 -

Fortinet Certified NSE 1 - 5 - Computer And Information Systems Security

Pearson
Pretoria
04.2001 -

Skills

IT Security

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Accomplishments

I placed 2nd in the Arnold classic fitness competition.

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Mark MaraisNetwork Security Specialist