Cyber Security: Networks

Optimal Growth Technologies • Johannesburg, Gauteng • Posted June 26, 2026

About the Role

Senior Specialist – Cyber Security Networks

Contract duration: 6 months

Location: Midrand

Role purpose:

Support the design, development, and implementation of advanced cyber security controls across companies' mobile, fixed, satellite, cloud, and IoT networks to protect against evolving threats. Conduct risk assessments, collaborate with stakeholders, and contribute to the delivery of security solutions. Provide subject matter expertise to guide junior staff, and actively support the Principal Specialist in driving technical delivery and ensuring alignment with operational priorities.

Responsibilities:

  • Support Security Implementation Contribute to the design and execution of cyber security strategies for mobile, fixed, satellite, cloud, and IoT networks, applying SME-level knowledge to ensure resilience against advanced threats.
  • Assist Workstr...