515 Network Administrators jobs in South Africa

Position Overview

We are seeking a skilled Network Security Engineer to design, implement, and maintain secure network infrastructures. The role involves safeguarding systems, data, and networks from cyber threats, ensuring compliance with security policies, and proactively identifying vulnerabilities.

Key Responsibilities

Design, configure, and maintain firewalls, VPNs, IDS/IPS, and other security solutions.

Monitor network traffic and security alerts to detect and respond to threats.

Conduct vulnerability assessments and penetration testing to identify risks.

Implement security policies, standards, and best practices.

Manage and troubleshoot security incidents, escalating when necessary.

Maintain secure connectivity for on-premise, cloud, and hybrid environments.

Ensure compliance with industry regulations (e.g., ISO 27001, GDPR, POPIA, PCI DSS).

Collaborate with IT teams to integrate security measures into all network systems.

Keep up to date with the latest cyber threats, tools, and technologies.

Prepare reports and documentation on security posture, incidents, and improvements.

Qualifications & Skills

Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).

Proven experience as a Network Security Engineer, Security Analyst, or similar role.

Strong knowledge of networking (TCP/IP, routing, switching, DNS, DHCP).

Hands-on experience with firewalls (Cisco, Palo Alto, Fortinet, etc.).

Familiarity with SIEM, intrusion detection/prevention, endpoint protection, and encryption.

Understanding of cloud security (AWS, Azure, GCP) and VPN technologies.

Relevant certifications (e.g., CCNA Security, CCNP Security, CEH, CISSP, CompTIA Security+).

Excellent problem-solving and communication skills.

Ability to work independently and as part of a team.

Job Type: Full-time

Pay: From R569 364,00 per year

Work Location: In person

Company Description

Duxbury Networking has been a leader in specialized networking distribution for over forty years. We offer channel partners and their customers a full suite of technical solutions, distinguished by our value-added technical services and expert support. Our product portfolio covers Networking, Wireless, Integrated Surveillance, and Cybersecurity Solutions. We strive to build strong partnerships with clients, who view us as trusted advisors ready to exceed expectations and seamlessly integrate with their operations.

About the Role:

As a Cyber Security Engineer, you will play a key role in strengthening and maintaining our clients' security posture. You'll work alongside our networking and infrastructure teams to deploy, manage, and support critical security solutions.

Key Responsibilities:

• Deploy and manage security solutions such as firewalls and endpoint protection.
• Support the design and implementation of secure network environments.
• Monitor, troubleshoot, and improve existing security systems.
• Collaborate with the team to respond to security incidents and support remediation efforts.

Requirements:

• Minimum
  3 years of hands-on experience
  in cyber security engineering.
• Strong knowledge of
  networking fundamentals
  and security concepts.
• Proven experience with deploying and managing
  firewalls and endpoint protection solutions
  .
• Problem-solving mindset and ability to work independently as well as part of a team.

What We Offer:

• An opportunity to grow your career with a forward-thinking team.
• Exposure to diverse projects across security and networking domains.
• A collaborative environment where innovation and learning are encouraged.

Bachelors degree /Diploma or equivalent experience 3+ years of IT experience 1+ years of hands-on web application penetration testing / ethical hacking experience The Purpose of Your Role Lead testing efforts on web and mobile applications and supporting systems. Replicate the actual techniques and tools used by malicious attackers in an effort to model potential external threats. Upon completion of the assessment, you will prepare reports and present the results to application owners, developers, and business unit information security teams. Analyse test results, draw conclusions from results, and develop targeted exploit examples. Consult with operations and software - development teams to ensure potential weaknesses are addressed. Contribute to the research or development of tools to assist in the vulnerability discovery process. Identify threats to improve the overall security of applications and infrastructure. Recommend solutions to help migitate risks and protect entire network i.e. Architect security solution Skills: Ability to demonstrate manual testing experience including all of OWASP Working knowledge of application security mechanisms such as authentication and authorization techniques, data validation, and the proper use of encryption Technical knowledge of, and the ability to recognize, various types of application security vulnerabilities Demonstrated experience with common penetration testing and vulnerability assessment tools such as nmap, Wireshark, Nessus, NeXpose, Kali, Metasploit, AppScan, WebInspect, Burp Suite Professional, Acunetix, Arachni, w3af, NTOSpider Knowledge of a programming or scripting language such a C, C#, Python, Objective C, Java, Javascript, SQL, Knowledge of Web Services technologies such as XML, JSON, SOAP, REST, and AJAX Knowledge of web frameworks, including XML, SOAP, J2EE, JSON and Ajax Experience with Enterprise Java or .NET web application frameworks, including Struts and Spring Proven analytical and problem solving skills, as well as the desire to assist others in solving issues Excellent interpersonal skills with a strong interest in the application security domain Excellent communication and presentation skills and a proven ability to communicate threats and facilitate progress towards long-term remediation Highly motivated with the willingness to take ownership / responsibility for their work and the ability to work alone or as part of a team. Ability to produce high level reports Preferred Skills and competencies: A+, N+, S+, CCNA Vulnerability Scanning Vulnerability Assessment Valid Certified Ethical Hacker Certificate Certified Penetration Testing Professional/ OR CISA/CISM/SISSP AND CISSP certification. NB! CV FORMAT MUST BE PDF

• Skillset: Network Security Administrator

OUTsurance has been propelling the South African insurance industry forward for the last 27 years. As leaders in the field, we’re always looking for innovative ways to create digitally-advanced solutions, without losing sight of our human values. Our continued success can be attributed to outstanding employees who set the bar high with their energy and expertise. If you’re keen to grow your career in a vibrant environment with lots of ‘fun’, this could be the career opportunity you’ve been looking for.

What do you get OUT?

• OUTsurance has been voted Top Employer South Africa since 2022. Our people vision is to be a great company to work for where you always get something OUT.

We offer our employees

• A winning, fun and inclusive company culture that embraces diversity.
• Great Rewards and Recognition programs.
• Benefits (Medical Aid, Pension fund, Group life and Disability benefits)
• Growth opportunities (we hire talent, train skill and promote values driven leaders from within)
• Wi-Fi on campus and Emergency Panic-Assist through the OUTsurance app
• Employee wellness programs: Free Counselling, Legal Advice and Financial Coaching for you and your members of household.
• A chance to give back (Staff Helping SA OUT-volunteer program) and much more.

• Manage and configure, and implement secure network solutions using Firewalls, IDS/IPS, VPNs, and other relevant next-gen firewall technologies.
• Manage and configure SASE technologies. (SWG, DLP, CASB, Private Access, etc).
• Manage and configure WAF technologies.
• Assist with troubleshooting network connectivity and performance issues across network links, firewall, VPN, WAF and proxy technologies.
• Assist with deployment of technical solutions for detecting & preventing potential threats and improving security posture.
• Collaborate with the information security team to develop and enforce network security policies, procedures, and best practices.
• Monitor network traffic for suspicious activities, analyse logs, and respond to security incidents in a timely manner.
• Stay current with emerging cyber security threats, trends, and technologies to maintain network resilience against evolving risks.
• Implement access controls and authentication mechanisms to ensure authorized personnel and assets have appropriate access levels.
• Work closely with network administrators to ensure proper network segmentation and isolation of critical assets.
• Participate in the design and implementation of disaster recovery and business continuity plans for the cyber security infrastructure.
• Collaborate with third-party vendors to assess security products and services, making recommendations for procurement when necessary.
• Provide technical support to resolve security-related network issues and incidents.
• Document network security architecture, configurations, and procedures for knowledge sharing and future reference.
• Compile monthly reporting on security control efficacy.

• Related relevant network security certifications (Fortinet NSE4 (Fortinet Certified Professional Network Security)), CompTIA N+, CompTIA S+)
• Relevant work experience required as a Network Security Engineer with a focus on cyber security, including designing and implementing secure network solutions for cloud and on-premises environments.
• Solid understanding of network concepts (protocols, routing, switching, TCP/IP, OSI model, etc.) and firewall technologies (redundancy, resiliency, Layer4-Layer7 features and next generation security capabilities)
• Knowledge and experience of IT security controls and components (Network IPS, Vulnerability Scanning, Firewalls, Cloud Proxies, NAC, Load Balancers, WAF, VPN, DOS/DDOS, Endpoint Protection), and other cyber security tools

Advantageous

• Diploma or bachelor’s degree in computer science, Information Technology, or a related field.
• Exposure to different cloud services (Azure, Amazon Web Services, Google Cloud)
• Understanding of API Security techniques for the HTTP protocol. (e.g. HTTP methods (POST/GET), server response codes, etc.) and the HTML language. e.g. document structure, elements, forms, etc.
• Use of network analysis and troubleshooting tools e.g. tcpdump, Wireshark, traceroutes, curl, telnet, etc.
• Deployment of security resources using IAC (infrastructure as code) e.g. Terraform, Ansible, etc.
• Understanding of Zero Trust Network Access Framework and components
• Familiarity with network monitoring and logging toolsets to detect and respond to security incidents.
• Knowledge of regulatory compliance frameworks (e.g. ISO27001, GDPR) and their impact on network security.

The successful individual would need to demonstrate the below listed:

• Strong analytical and problem-solving skills.
• Demonstrate a high level of attention to detail.
• Takes initiative and works under own direction.
• Methodically plans and organises tasks and projects.
• Upholds ethics and values and demonstrates high levels of integrity.
• Very strong interpersonal skills and the ability to build relationships.
• Adapts and responds positively to change.
• The ability to multitask and handle stress in a fast-paced environment.
• Willingness to tackle new challenges with creativity and collaboration.
• Experience in and knowledge of IT

An ideal candidate will be able to align their personal work values to the OUTsurance values of Awesome Service, Dynamic, Honest, Human, Passionate and Recognition.

In accordance with OUTsurance Insurance Company Ltd Employment Equity goals, preference will be given to individuals who meet the job requirements and are from the various designated groups.

Recruitment Manager @ Datacentrix | Expertise in Recruiting Top Talent

Datacentrix is seeking a highly skilled Network Security Architect to join our team. The ideal candidate will possess deep technical expertise in network infrastructure, security, and cloud technologies, coupled with strong business acumen and the ability to design scalable, secure, and cost-effective solutions. This role requires an individual who can seamlessly bridge technical strategy with business objectives, collaborating across teams, vendors, and leadership to drive innovative network and security architectures.

Qualifications and Experience Required:

• Matric plus a relevant IT diploma/degree (or equivalent experience).
• CCNA/CCNP or equivalent networking certification
• At least 4 years of experience in technical architecture or related roles.
• Relevant professional certifications are advantageous, such as:
• Cloud certifications (AWS Solutions Architect, Azure Solutions Architect)
• CompTIA Security+ or equivalent security certifications
• Hands‑on experience with firewall technologies (Palo Alto preferred) and multi‑vendor network troubleshooting.

Key Responsibilities:

• Solution Design & Architecture: Design comprehensive technical solutions that meet business requirements, produce detailed technical documentation and architecture diagrams, evaluate and recommend appropriate technologies, and ensure all solutions are scalable, secure, and aligned with business goals.
• Research & Development: Evaluate emerging technologies and industry trends, conduct proof‑of‑concepts, and assess the viability and ROI of new solutions to enhance business performance.
• Network Infrastructure & Security: Design scalable network architectures with a focus on performance, reliability, and integrated security. Architect firewall topologies (including NGFW and WAF), develop zero‑trust frameworks, implement network segmentation strategies, and design secure cloud connectivity patterns.
• Business Collaboration: Work closely with business stakeholders to gather and interpret requirements, translate complex technical concepts into clear, business‑friendly language, and present solutions effectively to both technical and non‑technical audiences.
• Vendor Management & Support: Engage and manage multiple technology vendors, evaluate products and services, negotiate technical specifications, and serve as the key technical liaison for vendor‑led implementations.
• Incident Response & Support: Provide technical expertise during security incidents and outages, collaborate with security teams on investigations, participate in post‑incident reviews, and document preventive measures.

Network Security Analyst (Remote South Africa) Overview

Were looking for a highly skilled Network Security Analyst to join our forward-thinking, security-driven team. In this role, you'll be the guardian of our digital infrastructure ensuring that firewalls, network rules, and security configurations are robust, compliant, and ready to face emerging threats.

• Manage and resolve firewall-related tickets efficiently.
• Add, modify, and optimize firewall rules in line with security best practices.
• Configure Palo Alto firewalls confidently and effectively.
• Implement secure changes without disrupting business operations.
• Monitor and analyze security systems to proactively prevent breaches.

• Palo Alto Certification (essential).
• Proven experience managing and configuring Palo Alto firewalls.
• Strong understanding of firewall rule creation and security change management.
• Familiarity with common security protocols and network monitoring tools.
• Excellent troubleshooting and analytical skills.

• Experience working with Checkpoint firewalls.
• Exposure to other enterprise security solutions.

• 100% remote work operate from anywhere in South Africa.
• Competitive salary aligned with experience.
• Join a dynamic, security-focused team with cutting-edge tools and projects.

Qualifications & Experience Required

• Matric plus a relevant IT diploma / degree (or equivalent experience).
• CCNA certification
• At least 4 years of experience in technical architecture or related roles.
• Relevant professional certifications are advantageous, such as:

• CCNP or equivalent networking certification
• Palo Alto PCNSA certification
• Cloud certifications (AWS Solutions Architect, Azure Solutions Architect)
• CompTIA Security+ or equivalent security certifications
• Hands‑on experience with firewall technologies (Palo Alto preferred) and multi‑vendor network troubleshooting.

• Solution Design & Architecture: Design comprehensive technical solutions that meet business requirements, produce detailed technical documentation and architecture diagrams, evaluate and recommend appropriate technologies, and ensure all solutions are scalable, secure, and aligned with business goals.
• Projects & Implementation: Lead the technical delivery of solution implementation projects, coordinate with project teams and stakeholders, oversee deployment activities, and ensure successful transition from design to production.
• Research & Development: Evaluate emerging technologies and industry trends, conduct proof‑of‑concepts, and assess the viability and ROI of new solutions to enhance business performance.
• Network Infrastructure & Security: Design scalable network architectures with a focus on performance, reliability, and integrated security. Architect firewall topologies (including NGFW and WAF), develop zero‑trust frameworks, implement network segmentation strategies, and design secure cloud connectivity patterns.
• Business Collaboration: Work closely with business stakeholders to gather and interpret requirements, translate complex technical concepts into clear, business‑friendly language, and present solutions effectively to both technical and non‑technical audiences.
• Vendor Management & Support: Engage and manage multiple technology vendors, evaluate products and services, negotiate technical specifications, and serve as the key technical liaison for vendor‑led implementations.
• Incident Response & Support: Provide technical expertise during security incidents and outages, collaborate with security teams on investigations, participate in post‑incident reviews, and document preventive measures.

Network Security Analyst (Remote South Africa) Overview

Were looking for a highly skilled Network Security Analyst to join our forward-thinking, security-driven team. In this role, you'll be the guardian of our digital infrastructure ensuring that firewalls, network rules, and security configurations are robust, compliant, and ready to face emerging threats.

• Manage and resolve firewall-related tickets efficiently.
• Add, modify, and optimize firewall rules in line with security best practices.
• Configure Palo Alto firewalls confidently and effectively.
• Implement secure changes without disrupting business operations.
• Monitor and analyze security systems to proactively prevent breaches.

• Palo Alto Certification (essential).
• Proven experience managing and configuring Palo Alto firewalls.
• Strong understanding of firewall rule creation and security change management.
• Familiarity with common security protocols and network monitoring tools.
• Excellent troubleshooting and analytical skills.

• Experience working with Checkpoint firewalls.
• Exposure to other enterprise security solutions.

• 100% remote work operate from anywhere in South Africa.
• Competitive salary aligned with experience.
• Join a dynamic, security-focused team with cutting-edge tools and projects.