Principal Specialist – Cyber Security

2 days ago


Johannesburg, South Africa Smart4 Energy Full time

Principal Specialist – Cyber Security (Networks) Direct message the job poster from Smart4 Energy Job Title: Principal Specialist – Cyber Security (Networks) (Midrand, 6-month FTC, extendable) About the Role We are looking for an experienced Principal Specialist in Cyber Security Networks. The role focuses on leading the design, implementation, and optimisation of advanced cybersecurity controls across mobile, fixed, satellite, cloud, and IoT network environments. You will drive high-impact security initiatives, ensure compliance with global security standards, strengthen detection and threat‑management capabilities, and provide leadership to a growing cybersecurity team. Key Responsibilities Lead the design and deployment of cybersecurity solutions for diverse network technologies (mobile, fixed, satellite, cloud, IoT). Oversee major security workstreams including Enterprise CPE, IP Core Networks, NMS, Office Connectivity, Cyber Controls, Monitoring & Analytics, and Measurement & Assurance. Conduct risk assessments and enforce compliance with ISO 27001, NIST, CIS Controls, and regulatory requirements. Implement and enhance monitoring processes using SIEM, NetFlow, telemetry, and assurance tools. Drive network hardening and security configuration standards across CPE, PE devices, and core network infrastructure. Mentor junior team members and contribute to capability development across the function. Requirements 8+ years’ experience in Cyber Security within Enterprise/IP Networks Hands‑on experience with security engineering (CPE/PE hardening, TACACS+/Radius, PAM, VPN/Zero Trust) Solid understanding of NMS and management‑plane security Knowledge of ISO 27001, NIST, CIS Controls, MITRE ATT&CK Experience with SIEM, NetFlow, telemetry, and compliance tools Ability to lead security projects and mentor junior team members Preferred certifications: ISO 27001, CCIE Security, CCSP, CISM, CISSP, CRISC, CISA Additional Information: Seniority level: Mid‑Senior level. Employment type: Contract. Job function: Information Technology. Industries: IT Services and IT Consulting. #J-18808-Ljbffr



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