![Level-Up](https://media.trabajo.org/img/noimg.jpg)
Senior System Administrator
7 days ago
**_Purpose of Job_**
Senior System Administrator will be responsible for ensuring the stability, security, and efficient operation of our company's IT infrastructure. This role requires strong technical knowledge of Linux and Windows administration, networking, and proficiency in managing hypervisors such as VMware or Hyper-V and Proxmox, along with experience in managing Azure cloud environments.
**_ Key Responsibilities_**
1. Linux and Windows System Administration:
- Install, configure, and maintain Linux and Windows servers and workstations.
- Manage user accounts, permissions, and file systems on both platforms.
- Perform regular system monitoring, troubleshooting, and performance
tuning.
- Conduct security audits and implement necessary measures to protect
systems and data.
- Create and maintain system documentation, including configuration and
troubleshooting guides.
2. Azure Cloud Management:
- Deploy, configure, and manage virtual machines and other resources in Azure.
- Monitor cloud infrastructure for availability, performance, and security.
- Implement and manage virtual networks, subnets, and network security
groups.
- Develop and maintain Azure Resource Manager (ARM) templates for
infrastructure automation.
- Ensure proper backup, disaster recovery, and business continuity plans for
cloud-based systems.
3. Hypervisor Management:
- Install, configure, and maintain hypervisor platforms, preferably Proxmox.
- Manage virtual machines, templates, snapshots, and virtual networks.
- Optimize and monitor hypervisor performance and resource allocation.
- Implement and manage high availability and fault tolerance features.
4. Network Administration:
- Configure and maintain network devices, such as routers, switches, and
firewalls.
- Troubleshoot network connectivity issues and optimize network
performance.
- Implement and maintain VPN connections and remote access solutions.
- Monitor and manage network security, including intrusion detection and
prevention systems.
5. System Monitoring and Performance:
- Deploy and maintain monitoring tools for proactive system monitoring and
alerting.
- Analyse system performance data, identify bottlenecks, and optimize system
resources.
- Conduct capacity planning to ensure system scalability and meet business
requirements.
the infrastructure.
6. Documentation and Collaboration:
- Create and maintain technical documentation, including system
configurations, procedures, and troubleshooting guides.
- Collaborate with cross-functional teams to provide technical support and
solutions.
- Participate in on-call rotations and respond to system emergencies promptly.
- Stay up to date with industry trends, emerging technologies, and best
practices in system administration, cloud computing, and virtualization.
**_ Qualifications_**
- Bachelor’s degree in computer science, Information Technology, or a related field
(or equivalent work experience).
- Relevant certifications, such as Linux Professional Institute (LPIC), Microsoft
Certified: Azure Administrator Associate advantageous.
**_ Experience & Systems_**
- Minimum 8 years’ experience in an Enterprise IT environment
- Strong experience in Linux and Windows system administration, including
installation, configuration, and troubleshooting.
- Proficiency in managing Azure cloud services and resources, including VMs,
storage, networking, and security.
- Hands-on experience with hypervisor technologies such as VMware or Hyper-V
and Proxmox.
- Solid understanding of networking concepts and protocols (TCP/IP, DNS, DHCP,
VPN, etc.).
- Familiarity with scripting languages (e.g., Bash, PowerShell, Python) for
automation and infrastructure management.
- Experience with configuration management tools (e.g., Ansible, Puppet, Chef) is a
plus.
- Knowledge of containerization technologies (e.g., Docker, Kubernetes) is
desirable.
**_ Skills & Competencies (Personal & interpersonal)_**
- _Excellent problem-solving skills and the ability to work independently and in a _
- team environment._
- _Strong communication and interpersonal skills to effectively collaborate with _
- stakeholders at all levels._
-
Senior Systems Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa A Triple A Recruitment Full timeJohannesburg Senior Systems Administrator 20000 Our client in the Telecommunication Industry is looking to hire a Senior Systems Administrator. Duties and ResponsibilitiesRole: Reporting to customers and staff on issues and resolutionsResponsibilities: Look after company system infrastructure, servers, connectivity, integration support, etc. Help with...
-
Senior System Administrator
2 months ago
Johannesburg, South Africa Scitech Placements Full timeOur client in the trading industry is looking for a Senior Systems Administrator to join their team. **Duties**: - Build, improve and maintain clusters of blockchain daemons/consensus nodes in a scalable and highly secure way. - A mix of containerized and virtualized environments. LINUX administration - DEBIAN Based WINDOWS Administration Network...
-
Senior System Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa Scitech Placements Full timeWe are looking for a Senior System Administrator in the Blockchain sector, South AfricaThe task at hand involves the construction, enhancement, and upkeep of clusters consisting of blockchain daemons and consensus nodes. These clusters are to be established in a manner that is not only scalable but also highly secure. To achieve this objective, a combination...
-
Senior System Administrator
4 weeks ago
Johannesburg, South Africa Level-Up Full time**_Purpose of Job_** Senior System Administrator will be responsible for ensuring the stability, security, and efficient operation of our company's IT infrastructure. This role requires strong technical knowledge of Linux and Windows administration, networking, and proficiency in managing hypervisors such as VMware or Hyper-V and Proxmox, along with...
-
Senior Linux Systems Administrator
4 weeks ago
Johannesburg, South Africa PRR Recruitment Services Full timeSenior Linux IT Systems Administrator – Rneg – Sandton (Hybird)This well known award Winning insurance company they are looking for an experienced Senior Systems AdministratorThe ideal candidate will have a min of 3+ years experience on Linux and AsteriskInstall and maintenance of serversConfiguration and support of FreePBXSolid experience in OS...
-
Senior Systems Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa Express Personnel Services Full timeWe are seeking a skilled Senior System Administrator to oversee the stability, security, and smooth functioning of our clients IT infrastructure. This pivotal role demands expertise in Linux and Windows administration, networking, and adept management of hypervisors like VMware or Hyper-V and Proxmox. Additionally, experience in overseeing Azure cloud...
-
Senior System Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa Level-Up Full time_Purpose of Job_Senior System Administrator will be responsible for ensuring the stability, security, and efficient operation of our company's IT infrastructure. This role requires strong technical knowledge of Linux and Windows administration, networking, and proficiency in managing hypervisors such as VMware or Hyper-V and Proxmox, along with experience in...
-
Senior System Architect and Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa ASIE Personnel Full timeIntroductionOur client, a large Multinational leading player in the deployment of carrier-scale, future-proofed network infrastructure based in Johannesburg is looking for a Senior System Architect and Administrator (IX).Duties & Responsibilities As part of the Engineering team, plan, design, select technologies and equipment, implement, and make required...
-
Senior System Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa Level-Up Full time_Purpose of Job_Senior System Administrator will be responsible for ensuring the stability, security, and efficient operation of our company's IT infrastructure. This role requires strong technical knowledge of Linux and Windows administration, networking, and proficiency in managing hypervisors such as VMware or Hyper-V and Proxmox, along with experience in...
-
Senior System Architect and Administrator
4 weeks ago
Johannesburg, South Africa ASIE Personnel Full timeIntroduction Our client, a large Multinational leading player in the deployment of carrier-scale, future-proofed network infrastructure based in Johannesburg is looking for a Senior System Architect and Administrator (IX). Duties & Responsibilities - As part of the Engineering team, plan, design, select technologies and equipment, implement, and make...
-
Systems Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa A Triple A Recruitment Full timeSystems Administrator (Telecommunication)Johannesburg Systems Administrator Our client in the Telecommunication industry is looking for a Systems AdministratorKey responsibilities · Look after company system infrastructure, servers, connectivity, integration support, etc.· Help with trouble shooting database issues· Help with trouble shooting systems and...
-
Systems Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa A Triple A Recruitment Full timeSystems Administrator (Telecommunication) Johannesburg Systems Administrator Our client in the Telecommunication industry is looking for a Systems AdministratorKey responsibilities Look after company system infrastructure, servers, connectivity, integration support, etc. Help with trouble shooting database issues Help with trouble shooting systems and...
-
Senior System Administrator
2 months ago
Johannesburg, South Africa Scitech Placements Full timeWe are looking for a Senior System Administrator in the Blockchain sector, South Africa The task at hand involves the construction, enhancement, and upkeep of clusters consisting of blockchain daemons and consensus nodes. These clusters are to be established in a manner that is not only scalable but also highly secure. To achieve this objective, a...
-
System Administrator Ii
3 weeks ago
Johannesburg, South Africa Nedbank Full time**JOB ID** - Req: 122753- Mandisa Martins**Job Family** - Group Technology**Career Stream** - IT Operations**Leadership Pipeline** - Manage Self Operational**Job Purpose** - To ensure that the production/ service delivery meets set objectives as per the Service Level Agreements (SLA's), customise, and to maintain and support Enterprise Systems Management...
-
Systems Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa ADvTECH Support Office Full timeOverall Job Purpose:This is for a position that is a natural technical progression from the Senior ICT Support role. It is a role with additional responsibility whereby national oversight of a technical nature is required for one or more brands. Responsible for administration, the co-ordination, configuration, installation, documentation and management of...
-
Junior System Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa Genso Group of Investments Full timePosition: Junior system administratorRoles and responsibilities: Administering disaster recovery plans to ensure that data is backed up and can be restored in case of failure. Monitoring network performance to ensure that there are no bottlenecks or errors that could impact productivity. Installing operating systems on computers, testing them for errors, and...
-
Systems Administrator
3 weeks ago
Johannesburg, South Africa Kourie Recruitment cc Full timeHi Systems Administrators? 1) Have you successfully completed your relevant Information Technology/Systems Degree? (essential requirement) 2) Do you hold a Microsoft Certification (MCSE) or equivalent certification? (strong preference) 3) Do you have advanced knowledge of Windows Server (2012/1016/2019)/desktop Operating Systems (XP/7/10)? (essential...
-
Systems Administrator
2 weeks ago
Johannesburg, Gauteng, South Africa ADvTECH Support Office Full timeOverall Job Purpose:This is for a position that is a natural technical progression from the Senior ICT Support role. It is a role with additional responsibility whereby national oversight of a technical nature is required for one or more brands. Responsible for administration, the co-ordination, configuration, installation, documentation and management of...
-
IT System Administrator
1 month ago
Johannesburg, South Africa B-Sure Full timeJob Overview **Expiration date**: 15 March 2024 **Location**: Johannesburg, Gauteng **Job Title**: IT System Administrator **Education Level**: Bachelors Degree **Job Level**: Intermediate **Minimum Experience**: 3 - 5 Years IT System Administrator - Bedfordview, Johannesburg. Bsure Group is hiring. We are looking for an experienced Systems...
-
System Administrator
4 weeks ago
Johannesburg, South Africa Edge Executive Search Full timeSystem Administrator - 2023-01-19 - 2023-02-18 - Permanent - JHB003162 - Information Technology- Gauteng, JHB - Central - To support the internal team and supplementary servers/services. - Are you a Systems Administrator? We have an exciting opportunity for you. Our client in the IT industry is looking for a Systems Administrator to join their...