Senior System Administrator
1 week ago
Job Advert Summary:
Maintain and support the company (Head Office and Branches) including data centre, networks infrastructure, server infrastructure and Patch Management on all IT related infrastructure with respect to performance, availability and security.
Responsibilities include administration and management of the following:
LAN/WAN, Firewalls, Switches, Routers, Storage Area Network, Wireless Infrastructure (i.e. Aruba environment and VMWare), Chassis/ Blade infrastructure, Windows security related, Firmware, Active Directory, Windows, UNIX & Linux Servers, Print Services, Exchange Servers, Anti-virus, Microsoft Teams for Business, and the Office 365environment. The job is also responsible for these aspects of Disaster Recovery.
Minimum Requirements:
Preferred Minimum Education and Experience
National Diploma in IT or equivalent
MCSE Certification or equivalent
ITIL Foundation Certification
5-8 years Microsoft Systems Administration (servers)
3-5 years Network Administration (LAN/WAN)
5-8 years MS Exchange
3-5 years Disaster Recovery
3-5 years HP Blade Server System Technologies
3-5 years Backup and Recovery (preferably HP Backup Exec/ Data Protector)
5-8 years Firmware Patching
Critical Competencies
Microsoft Windows Systems Administration
Network technology (LAN/WAN)
HP Blade Server Technology
Anti-virus technology
Patch Management
Server Virtualization
Office 365
Patch Management
Firewall Technologies
Storage Area Networks
Additional Requirements
Extended hours as and when required.
Travel as and when required
Duties and Responsibilities:
Key Performance Areas
- Ensuring Availability and Performance of the Server Infrastructure, Network Infrastructure
Ensure that the operating systems are correctly installed and configured and that all necessary patches are installed.
Monitor current and anticipated system demand versus capacity and make recommendations concerning system expansion so that the organization has sufficient capabilities to meet business requirements.
Ensure that the operating systems are correctly installed and that all necessary patches are installed.
Satisfied Stakeholders (Internal/External)
- IT Infrastructure Security (FortiGate firewalls)
Ensure that all required security patches, antivirus and malware protection is in place and operating optimally.
Ensure that all required security patches, antivirus and malware protection is in place and operating optimally.
Setup and maintain firewalls and proxy servers to exclude unauthorized users from the company network.
- Networks (LAN/WAN) and Server Environment
Ensure optimization of all LAN & WAN infrastructures to ensure continuous, cost effective and quality service.
Maintain data centre, branch and head office networking and equipment.
Ensure that the operating systems are correctly installed and configured and that all necessary patches are installed
- Disaster Recovery
Define, implement and test the efficiency of DR procedures to endure that systems can be recovered in the case of a disaster.
Ensure that an effective backup strategy is implemented and followed to ensure adequate protection against loss of data and information.
Support the efficiency of DR procedures to endure that systems can be recovered in the case of a disaster.
- Administration, Reporting and Documentation
Recommend improvements to departmental policies and procedures so that all relevant procedural and legislative requirements are fulfilled.
Identify and propose opportunities for improvements to IT infrastructure and operations.
Ensure that knowledge transfer takes place between systems administrators and service desk and desktop support personnel.
Develop and provide periodic reports to management on the status of patch and firmware levels of all servers, desktops and peripheral infrastructure under your control.
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