Cyber Security Specialist : Networks at Optimal Growth Technologies

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