Network Administrator

2 weeks ago

Pretoria, South Africa IntelliStaff Full time

**Area**: Lynnwood, Gauteng

**Minimum Education**
- Matric or equivalent qualification recognised by the Department of Higher Education & Training
- National diploma or degree in relevant field will be an advantage
- Any network qualification (i.e. CCNA, CCNP, Arista ACE, Fotinet) would be an advantage

**Knowledge, skills and experience**
- Ability to perform duties under tight deadlines
- Strong knowledge and experience of Cisco firewall, router and switch technologies
- Strong knowledge and experience of Fortinet firewall technologies
- Strong knowledge and experience of Arista switch technologies
- Strong knowledge of Windows operating system
- Knowledge of Windows interoperability with LAN.
- Knowledge of Security patch maintenance process on LAN environments
- Good communication and interpersonal skills
- Hands-on approach
- Ability to manage SLAs with service providers

**Primary purpose of the position**
- Manages the core network infrastructure environment, including Cisco firewall and switch day to day administration
- Manages the installation, securing, repair/troubleshooting and maintenance of LAN and WAN environments; overseeing the implementation of data and network security
- Maintains the business as usual activities around the LAN and WAN environments
- Adheres to organisations policies, procedures, and documentation requirements (i.e. Change Control, etc.)
- Assists with the organisations compliance and regulatory requirements (i.e. PCI DSS)

**Overview of the position**
- Establishes network specifications by conferring with users; analysing workflow, access, information, and security requirements
- Day to day administration of Cisco, Fortinet firewalls, switches and routers, including interface configuration and routing protocols
- Evaluating network performance issues including availability, utilization, throughput, and latency
- Planning and executing the selection, installation, configuration, and testing of equipment; defining network policies and procedures
- Establishing connections and updating firewall access list
- Maintains network performance by performing network monitoring and analysis, and performance tuning; troubleshooting network problems; escalating problems to vendor
- Upgrades network by conferring with vendors; developing, testing, evaluating and installing enhancements
- Maintains organisation data flow and network diagrams
- Assists with and oversees the management of user access and maintaining related records
- Secures network by developing network access, monitoring, control, and evaluation, maintaining documentation
- Assists with and oversees the Data Centre operations and environment
- Providing technical support to employees and 3dr Partys
- Assists in overseeing the organisation and operation of the Network Operations Centre (e.g. monitoring temperature organising materials, ensuring availability of materials, etc.) for the purpose of ensuring efficient operations
- Manages project migrations for hardware/software systems for the purpose of ensuring efficient operations
- Researches trends, products, equipment, tests, etc. for the purpose of recommending procedures and/or purchases

***
**Interpersonal relationships, but not limited to**:

- Executives
- Network Administrators
- Systems Administrators
- Database Administrators
- Developers
- End Users
- Organisation clients

**Special Requirements**
- Willing to work overtime
- Willing to do standby
- Travel nationally
- Must be self-learning
- Able to work independently

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