Senior Network Security Architect & Operations Manager

Placements24; Johannesburg; On-site; ZAR 1,200,000 - 1,900,000; Full time

Job summary

Placements24 is recruiting a Senior Network Security Architect & Operations Manager to design, implement, and oversee the organization’s security infrastructure in Gauteng. You will lead a team of security professionals, drive incident response, and ensure protection of critical data and systems.

You will apply deep expertise in firewalls, SIEM, WAF, and threat intelligence to maintain robust security posture and regulatory compliance across the enterprise.

Qualifications

• 10+ years in network security with at least 5 years in a management or senior architect role.
• Extensive knowledge of network protocols and security technologies.
• Strong understanding of security frameworks (NIST, ISO 27001) and compliance requirements.
• Proven experience designing and implementing enterprise security solutions.

Responsibilities

• Design, implement, and maintain a robust network security architecture including firewalls, IDS/IPS, VPNs, and access control systems.
• Develop and enforce network security policies, procedures, and standards.
• Oversee day-to-day operations of the network security team including incident response, monitoring, and vulnerability management.
• Lead security audits, penetration testing, and remediation activities.
• Manage vendor relationships for security products and services and ensure regulatory compliance.

Skills

Security leadership

Network security design

Incident response

Threat intelligence

Education

Bachelor's degree in Computer Science/IT/Cybersecurity

Advanced degree or certifications desirable

Tools

SIEM

WAF

IDS/IPS

Next-Gen Firewalls

Job description

About the Role

Our client, a leading enterprise in the financial services sector located in Randburg , is seeking a highly experienced and proactive Senior Network Security Architect & Operations Manager . This crucial role involves designing, implementing, and managing the organization's network security infrastructure to protect sensitive data and systems from evolving threats. The ideal candidate will possess a deep understanding of network security principles, cutting-edge security technologies, and operational best practices. You will lead a team of security professionals, oversee network security operations, and ensure the integrity, confidentiality, and availability of the company's network environment. This is an excellent opportunity to shape and safeguard the security posture of a major organization in Gauteng .

Key Responsibilities

• Design, implement, and maintain a robust network security architecture, including firewalls, IDS/IPS, VPNs, and access control systems.
• Develop and enforce network security policies, procedures, and standards.
• Oversee the day-to-day operations of the network security team, including incident response, monitoring, and vulnerability management.
• Conduct regular security audits and penetration tests to identify and remediate vulnerabilities.
• Develop and manage security awareness training programs for all employees.
• Lead incident response activities, including investigation, containment, eradication, and recovery.
• Evaluate and recommend new security technologies and solutions to enhance the organization's security posture.
• Manage vendor relationships for security products and services.
• Ensure compliance with relevant industry regulations and data privacy laws.
• Collaborate with IT infrastructure teams to integrate security seamlessly into network design and operations.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Advanced degrees or specialized certifications are highly desirable.
• Minimum of 10 years of experience in network security, with at least 5 years in a management or senior architect role.
• Extensive knowledge of network protocols, security technologies (e.g., Next-Gen Firewalls, SIEM, WAF, endpoint security), and threat landscapes.
• Proven experience in designing and implementing enterprise-level security solutions.
• Strong understanding of security frameworks (e.g., NIST, ISO 27001) and compliance requirements.
• Excellent leadership, team management, and communication skills.
• Experience with incident response, forensics, and vulnerability management.
• Relevant security certifications such as CISSP, CISM, CCIE Security, or similar.
• Ability to work under pressure and manage complex security incidents effectively.
• Strategic thinker with a proactive approach to security risk management.

Benefits

Our client offers a highly competitive executive salary, commensurate with the seniority and expertise required. This position includes a comprehensive benefits package, such as advanced medical aid, a substantial retirement fund, and performance-based incentives. Opportunities for continuous professional development, including advanced security training and certifications, are provided. The role offers significant challenges and opportunities for career advancement within a leading financial services organization in Randburg .