Network Security Administrator

Placements24; Kimberley; On-site; ZAR 420,000 - 660,000; Full time

Benefits offered by this job

Medical aid

Pension fund

Leave benefits

Training & certs

Career progression

Job summary

Placements24 is seeking a diligent Network Security Administrator to join its IT security team in Kimberley, SA. The role focuses on safeguarding the organization’s network infrastructure, implementing security policies, and monitoring for threats.

You will work on firewalls, VPNs, and SIEM, ensuring availability and integrity in a financial services environment. The ideal candidate holds a IT-related degree, has 3+ years of security-focused network admin experience, and possesses or seeks

Qualifications

• Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or related field or equivalent practical experience.
• Minimum of 3 years of experience in network administration with a strong focus on security.
• Experience with firewalls such as Cisco ASA and Palo Alto, IDS/IPS, and VPNs.
• Solid understanding of TCP/IP, routing protocols, and network security principles.
• Experience with network monitoring tools (SolarWinds, PRTG) and SIEM systems.
• Knowledge of security best practices, access control, encryption, and vulnerability management.
• Certs like CompTIA Security+, CCNA Security, or CISSP are desirable.

Responsibilities

• Install, configure, and maintain network security devices (firewalls, IDS/IPS, VPNs).
• Monitor traffic for threats, anomalies, and policy violations; respond to incidents.
• Develop and implement network security policies and standards.
• Conduct vulnerability assessments and penetration testing to address weaknesses.
• Manage user access controls and authentication systems.
• Assist in disaster recovery and business continuity planning.
• Provide guidance on network security best practices to IT staff and end-users.
• Document network configurations and incident response procedures.

Skills

Network security

Threat detection

Incident response

Team collaboration

Education

Bachelor's degree in IT or related

Tools

Cisco ASA

Palo Alto

IDS/IPS

VPNs

SolarWinds

PRTG

SIEM

Job description

About the Role

Our client, a prominent financial services institution, is seeking a diligent and skilled Network Security Administrator to join their dedicated IT security team. This is an on-site role based at our secure facilities in **Kimberley**, where you will be responsible for maintaining and enhancing the security posture of our organization's network infrastructure. Your primary focus will be on safeguarding our digital assets, preventing unauthorized access, and ensuring the integrity and availability of our network systems. This position offers the chance to work with advanced security technologies and contribute to a stable and secure operational environment within the financial sector.

Key Responsibilities

• Install, configure, and maintain network security devices, including firewalls, intrusion detection/prevention systems (IDS/IPS), and VPNs.
• Monitor network traffic for security threats, anomalies, and policy violations, responding promptly to security incidents.
• Develop and implement network security policies, procedures, and standards.
• Conduct regular vulnerability assessments and penetration testing to identify and address security weaknesses.
• Manage user access controls and authentication systems to ensure appropriate levels of security.
• Assist in the development and implementation of disaster recovery and business continuity plans.
• Provide technical support and guidance on network security best practices to IT staff and end-users.
• Keep abreast of the latest security threats, vulnerabilities, and technologies.
• Document network configurations, security measures, and incident response procedures.

Requirements

• Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field, or equivalent practical experience.
• Minimum of 3 years of experience in network administration with a strong focus on security.
• Proven experience with network security technologies such as firewalls (e.g., Cisco ASA, Palo Alto Networks), IDS/IPS, and VPNs.
• Solid understanding of TCP/IP networking, routing protocols, and network security principles.
• Experience with network monitoring tools (e.g., SolarWinds, PRTG) and security information and event management (SIEM) systems.
• Knowledge of security best practices, including access control, encryption, and vulnerability management.
• Relevant certifications such as CompTIA Security+, CCNA Security, or CISSP are highly desirable.
• Strong analytical and problem-solving skills.
• Excellent communication and interpersonal skills for effective collaboration within a team environment.

Benefits

• Competitive salary and potential for performance-based bonuses.
• Stable employment within a reputable financial institution.
• State-of-the-art office environment in **Kimberley**.
• Comprehensive medical aid and pension fund contributions.
• Generous annual leave and public holiday benefits.
• Opportunities for specialized training and professional certifications in cybersecurity.
• A secure and professional working atmosphere.
• Career progression opportunities within the IT security department.