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Cyber Security Specialist : Networks

Cyber Security Specialist : Networks

Optimal Growth TechnologiesMidrand, Johannesburg, South Africa
30+ days ago
Job type
  • Quick Apply
Job description

Principal Specialist Cyber Security Networks

Location : Midrand

Duration : 6 months

Role purpose :

  • Lead the development and implementation of advanced cyber security capabilities and controls across companies mobile, fixed, satellite, cloud, and IoT networks to protect against evolving threats.
  • Oversee risk assessments, stakeholder engagement, and project delivery in alignment with regulatory requirements.
  • Provide leadership and mentorship to junior team members, fostering innovation and ensuring effective execution of security controls.

Key accountabilities

  • Lead Security Implementation
  • Drive the design and execution of cyber security implementations for mobile, fixed, satellite, cloud, and IoT networks, ensuring resilience against sophisticated threats.
  • Direct Workstream Delivery
  • Manage the end-to-end delivery of key security initiatives for Enterprise domains
  • Enterprise CPE, Core Network, Network Management Systems, Office Connectivity,
  • Cyber Security Controls - Monitoring & Analytics, and Measurement & Assurance
  • covering scope definition, design, deployment, and performance review to prevent lateral attack movement.
  • Cyber Risk and Compliance Management
  • Conduct targeted risk assessments and apply security controls to address vulnerabilities across network infrastructure, maintaining compliance with ISO 27001, NIST, and applicable regulatory frameworks.

    • Core competencies, knowledge, and experience :

  • Matric / Grade 12 essential
  • 3 year Degree\Relevant tertiary qualification in Information technology
  • 8+ years of experience in Cyber Security role where you meet business deliverables for Enterprise / IP Networks
  • Strong understanding of cyber risk management and security frameworks, such as NIST, ISO 27001, and CIS Controls.
  • Strong knowledge of Enterprise / Fixed networks
  • Excellent problem-solving skills, with the ability to identify and analyse complex issues
  • Strong communication skills, both written and verbal
  • Ability to work collaboratively with cross functional teams and stakeholders
  • Strong leadership skills, with the ability to lead and manage teams effectively
  • Strong organizational skills, with the ability to manage multiple tasks and priorities
  • Monitoring and Assurance Enhancement
  • Implement sustainable processes for near real-time threat detection and continuous security posture assessment, integrating monitoring tools such as SIEM and NetFlow, and ensuring second-line assurance to validate control effectiveness.
  • Leadership and Capability Development
  • Provide guidance and mentorship to junior cyber security professionals, fostering a culture of innovation, collaboration, and excellence to ensure effective security control execution in line with strategic and operational goals.

    • Desired

  • An industry certification e.g. ISO 27001 Lead practitioner, CCIE(Security), CCSP CGEIT, CRISC, CISA, CISM and CISSP / CSSP is strongly preferred
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    Security Specialist • Midrand, Johannesburg, South Africa