Senior Network Security Architect

Our client, a rapidly growing telecommunications provider, is seeking a highly experienced Senior Network Security Architect to enhance their robust security posture. This critical role involves the design, implementation, and management of secure network infrastructures across the organization. You will be responsible for developing comprehensive security strategies, assessing vulnerabilities, and deploying advanced security solutions to protect sensitive data and critical network assets.

The ideal candidate possesses deep expertise in network security principles, threat mitigation, and compliance standards within the telecommunications sector. This is an excellent opportunity to lead security initiatives and shape the future of network resilience in Johannesburg, Gauteng, ZA .

Design, implement, and maintain enterprise-level network security solutions, including firewalls, IDS/IPS, VPNs, and NAC systems. Develop and enforce security policies, standards, and procedures across the network infrastructure. Conduct regular security assessments, vulnerability scans, and penetration tests to identify and remediate weaknesses. Architect and deploy security controls to protect against advanced persistent threats (APTs) and other cyber-attacks. Collaborate with IT operations, development teams, and business units to ensure security is integrated into all aspects of the network lifecycle.

Develop and manage incident response plans and lead investigations into security breaches. Stay abreast of the latest cybersecurity threats, trends, and technologies, and recommend appropriate countermeasures. Ensure compliance with relevant industry regulations and standards (e.g., POPIA, GDPR, ISO 27001). Provide technical leadership and mentorship to junior security analysts and engineers. Evaluate and recommend new security technologies and solutions.

Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field;
Master's degree preferred. Minimum of 7 years of experience in network security engineering and architecture, with a strong focus on telecommunications networks. Extensive knowledge of TCP/IP networking, routing protocols (BGP, OSPF), switching, and network security principles. Proven experience with various security technologies such as next-generation firewalls, WAFs, SIEM, endpoint detection and response (EDR), and cloud security. In-depth understanding of threat modeling, risk assessment, and vulnerability management methodologies.

Relevant security certifications such as CISSP, CISM, CCNA Security, or equivalent are highly desirable. Experience with scripting languages (e.g., Python, Power Shell) for automation is a plus. Excellent analytical, problem-solving, and decision-making skills. Strong communication, presentation, and interpersonal skills. Ability to work effectively in a hybrid environment, balancing on-site collaboration with remote work flexibility.

This contract role offers a highly competitive daily rate and the opportunity to work on impactful projects within a leading telecommunications company. While the role requires a hybrid presence, it offers flexibility for remote work on certain days. Employees will have the chance to work with advanced security technologies and contribute to critical security initiatives. Opportunities for professional development and staying current with industry best practices will be provided.

This position is ideal for a seasoned security professional looking to make a significant contribution to network defense.