Networking Specialist

2 weeks ago

Johannesburg, South Africa Data Centrix Full time

The Network Specialist influences the technology strategy by aligning technical expertise and business needs to enhance IT service delivery. Proactively identify emerging technologies that will advance and secure the business. Coordinate and review IT projects in order to ensure they are secure and align with other IT initiatives. The networking role serves as a "**go-to**" technical resource and advisor who offers meaningful technical solutions, quickly resolves complex issues and provides technical leadership.

The role is also responsible for the design, build, maintenance and documentation of the network security infrastructure. This includes administration of Firewalls, Intrusion Prevention Systems, Intrusion Detection Systems, Network Access Control (NAC), and Virtual Private Networks (VPN). They will work very closely with infrastructure operations teams to ensure that all necessary controls are in place to securely support the company''s service offerings.

WAN Links
- Management of the WAN Links
- Regular communication with the providers of the WAN links
- Ensure that unnecessary WAN links are cancelled
- Ensure that WAN links are measured against provider SLA
- Ensure that WAN bandwidth is appropriate to business needs
- Ensure that WAN redundancy meets business expectations
- Ensure that appropriate security is implemented on WAN links
- Ensure that only appropriate protocols are allowed on WAN links
- Ensure that an accurate WAN diagrams exists
- Create and / or regularly update a WAN connectivity procedure and policy, covering the requirements to add a new site to the WAN

Routers
- Management of the company-owned routers
- Management of the suppliers of non-company-owned routers
- Ensure that only appropriate protocols are allowed on the routers
- Ensure that appropriate security is implemented on the routers
- Ensure that router redundancy meets business expectations
- Ensure that router capacity is appropriate to business needs
- Ensure that routers are monitored for appropriate measures

Switches (Wired and Wireless)
- Management of the switches
- Ensure that only appropriate protocols are allowed on the switches
- Ensure that appropriate security is implemented on the switches
- Ensure that switch redundancy meets business expectations
- Ensure that switch capacity is appropriate to business needs
- Ensure that switches are monitored for appropriate measures
- Ensure that unused switch ports are un-patched

Active Directory
- Conduct regular reviews Active Directory and DNS Architecture
- Conduct regular reviews of the Active Directory implementation
- Ensure that procedures for adding, changing and removing resources from AD are being followed
- Ensure that access restrictions are regularly reviewed for completeness
- Conduct regular reviews of Group Policy
- Conduct regular reviews of Active Directory integration with other Microsoft domains

WAN Compression
- Maintain and support WAN compression devices
- Manage WAN compression device licenses
- Manage WAN compression device support contracts
- Configure, Install, Deploy WAN compression devices

Firewalls
- Manage firewall support licensing
- Manage Firewall Access Rules
- Ensure appropriate Intrusion Prevention Measures are implemented (IPS)
- Ensure appropriate Intrusion Detection Measures are implemented (IDS)
- Ensure that weekly firewall security reports and reviewed and defined actions are implemented as necessary
- Ensure Firewall configurations are backed up before and after each change

Anti-Virus
- Create and / or regularly update an antivirus procedure and policy
- Ensure compliance of all devices against the antivirus procedure and policy

Remote Connectivity / Access
- Provide remote access to approved users
- Revoke access from all 3rd party suppliers when not required

Security
- Define Third Party access policies
- Perform regular risk assessments
- Address risks identified by risk assessments
- Create and / or regularly update the information security policy
- Management of business commitment to information security policy
- Manage the review of information security by independent party
- Perform regular third-party risk assessments
- Management of access rights to Server rooms
- Create and / or regularly update the operation manuals that define operating procedures for hardware
- Create and / or regularly update the procedures for monitoring information systems facilities
- Manage the various device and system logs

Security Policies
- Define and maintain the appropriate network security policy framework
- Ensure that security policies align with prevailing legislation and information protection best practices (e.g. POPIA)
**KEY PERFORMANCE AREAS**
The Specialist: Networking will:
1. Implement and monitor security measures for the protection of computer systems, networks and information.
2. Identify and define system security requirements.
3. Design computer security architecture and develop detailed cyber security de

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