Rubin Leon Proos
Senior Linux Administrator
Potchefstrrom
Summary
Adaptable and analytical with passion for problem-solving and optimizing system performance. Possess foundational knowledge in Linux system administration and adept in scripting and automation. Poised to leverage skills to enhance system reliability and streamline operations.
Overview
14
14
years of professional experience
Work History
Senior Linux Administrator
A&R Group
Potchefsroom
04.2020 - Current
- Enhanced system performance by optimizing configurations and implementing best practices for Linux administration.
- Collaborated with cross-functional teams to develop scalable solutions, improving overall productivity and efficiency.
- Conducted regular audits of deployed systems ensuring compliance with industry standards as well as internal policies.
- Interacted directly with users to diagnose and correct major system issues and address concerns.
- Developed and documented network policies, procedures and standards.
- Devised scripts and automation tools to improve system efficiency.
- Evaluated software products to determine compatibility with existing systems.
- Diagnosed and executed resolution for network and server issues.
- Planned and implemented upgrades to system hardware and software.
- Docker Administration
Senior Technician
ClearTech IT
01.2017 - 04.2020
- Reason for Wanting to leave: Salary is Fair but not self-sustaining
Junior Technician
Warcom Business solutions
01.2013 - 01.2014
- Reference: Wimpie Roode (Technical Manager) 057 352 3029
- Reason for leaving: A management Opportunity was Available
Onsite Technician, Internal sales, External sales and Marketing
Dynax Computers
01.2012 - 01.2013
- Reference: Eoin Ivory (Supervisor) 073-409 5263
- Reason for leaving: Due to unforeseeable events the store was closed and all staff retrenched
Technician
Incredible Connection
01.2011 - 01.2012
- Reference: Brendan Smith (Incredible Connection Branch Manager) 057-910 7400
- Reason for Leaving: Pay was based on hourly rate and was unstable
Education
Highest grade passed - Afrikaans, Biology, Business Economics, Computer Application Technology, English, Geography
Delta Correspondence
IT Support Administrator - A+ Hardware, A+ Software, Concepts of Information and Communication Technology, Network + (N+)
Universal College Outcomes (UCO College)
Udemy
Skills
Linux server management
Network configuration
System security
Bash scripting
Containerization
Network troubleshooting
Education
Delta Correspondence, 9, Afrikaans, Biology, Business Economics, Computer Application Technology, English, Geography, Universal College Outcomes (UCO College), 2 years, A+ Hardware, A+ Software, Concepts of Information and Communication Technology, Network + (N+)
Linux Experience
- Server Administration (Debian)
- Remote support for over 150 Servers
- Docker administration & Creation of certain images
- Software and OS Patching
- Configuring and upgrading of custom Application Suite
- Investigating logs
- IP Tables
- Provide remote support to field staff
- Configure and Maintain System Security/hardening
- Installation, configuration and maintenance of server hardware
- Automation with bash
- VMware ESXi management and networking
- Atlassian Suite (Jira, Confluence, Bitbucket)
- MYSQL Maintenance
- ISC-DHCP server
- Wildfly java deployments
- R&D with CentOS firewalls
Network Proficiencies
- Understanding of subnetting, VLSM, Classful and Classless IP Addressing
- CCNA level understanding of OSPF and EIGRP Implementation
- Design and Implementation of VLANs (Cisco)
- Understanding of flowing network layer 1, 2 and 3 troubleshooting and Verification
- Long range wireless networking Point to point and Point to multipoint
- Large WLAN design and implementation (Ubiquiti)
Other Work Experience
- Callout at client personal premises
- Printer Troubleshooting and Maintenance
- Scanner Configuration FTP and SMB
- PC troubleshooting
- Stock Control and Handling of suppliers
- Junior Staff Management
- Basic Analog CCVT Understanding
- Email Configuration and Troubleshooting
Personal Information
- ID Number: 9303125134089
- Health Status: Excellent
- Nationality: South African
- Driving License: Code 10
Timeline
Senior Linux Administrator
A&R Group
04.2020 - Current
Senior Technician
ClearTech IT
01.2017 - 04.2020
Junior Technician
Warcom Business solutions
01.2013 - 01.2014
Onsite Technician, Internal sales, External sales and Marketing
Dynax Computers
01.2012 - 01.2013
Technician
Incredible Connection
01.2011 - 01.2012
IT Support Administrator - A+ Hardware, A+ Software, Concepts of Information and Communication Technology, Network + (N+)
Universal College Outcomes (UCO College)
Highest grade passed - Afrikaans, Biology, Business Economics, Computer Application Technology, English, Geography
Delta Correspondence
Udemy
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