Network and Security Specialist

2 weeks ago

Pretoria, Gauteng, South Africa Kumusa Consulting Full time

Network Design, Implementation and Maintenance

  • Design, plan, and implement secure and scalable network infrastructure for our toll system across various projects, ensuring optimal performance and reliability.
  • Deploy, configure and maintain network devices, such as routers, switches, firewalls, antivirus software and load balancers, in accordance with industry best practices.
  • Collaborate with crossfunctional teams to define network requirements for new projects and ensure seamless integration into existing infrastructure.
  • Incorporate the newest technologies in a way that does not compromise security without hindering progress.
  • Oversee the timeous installation of networks and maintenance thereof.
  • Monitor network health.
  • Ensure the highest possible uptime of all sites networks.
  • Maintenance and setup of Plazas Servers and domains
  • Network infrastructure and firewall maintenance

Network and Security Management

  • Implement and enforce network security policies, procedures, and best practices to protect sensitive data and ensure compliance with regulatory requirements.
  • Establish processes and documentation to implement and adhere to PCI requirements.
  • Monitor network performance, troubleshoot issues, and perform regular network maintenance to ensure smooth operation and maximum uptime.
  • Monitor the sites network to detect any threats or breaches.
  • Conduct regular security assessments and vulnerability scans, and promptly address any identified risks or weaknesses.
  • Manage network access controls, including user authentication, permissions, and encryption mechanisms.
  • Perform security engineering activities through a lean and agile approach.
  • Have a base security solution in place while developing and delivering the general risk and compliance practices. Ensure the highest possible level of security of all systems where feasible.

Incident Response and Disaster Recovery

  • Develop and maintain incident response plans and procedures to handle security breaches, network outages, or other emergencies effectively.
  • Coordinate with internal teams to investigate and respond to security incidents, conduct root cause analysis, and implement remedial actions.
  • Collaborate with the Systems/Database Administrator to establish robust backup and disaster recovery strategies and documents for critical systems and data.
  • Monitoring of various security and incident management systems
  • Installation and maintenance of security and incident management systems
  • Evaluate any identified malicious network activity to understand the effects on system and information.
  • Maintain a record of networkbased tactics, techniques, and procedures used by an attacker to gain unauthorized system.
  • Circulate technical reports in response to the conducted analysis.

Collaboration, Documentation and Reporting

  • Collaborate with internal teams, including software developers, project managers, and support staff, to understand network and security requirements for new projects.
  • Create and maintain comprehensive network documentation, including network diagrams, system configurations, and security policies/procedures.
  • Provide guidance and technical support to other team members regarding network and securityrelated matters.
  • Provide monthly and adhoc progress feedback/reports to Management
  • Implement security awareness initiatives to improve all end users awareness of cybersecurity risks.
  • Assist with developing and maintaining SOPs and should analyse network device configurations for any distrustful configurations

Requirements:

  • Bachelors degree in computer science, information technology, Telecommunications, electronics & electricals or similar related field.
  • Relevant certifications (e.g., CCNA, CCNP, CISSP) highly desirable
  • At least 10 years related experience
  • Knowledge of programming concepts and techniques
  • Knowledge of network protocols, infrastructure components, and security technologies, including routing, switching, firewall configuration, VPNs, intrusion detection/prevention systems, data encryption etc.
  • Knowledge of PCI DSS requirements and experience in implementing and maintaining
  • PCI compliance within a complex network environment.

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