280 Network Maintenance jobs in South Africa

Network Security Engineer

Johannesburg, Gauteng Impronics Technologies

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Job Description

Responsibilities

  • Network Security Design & Implementation: Design, implement, and maintain network security architectures, ensuring the protection of bank's systems, data, and assets against unauthorized access, cyber threats, and attacks.
  • Firewall & Intrusion Detection: Configure and manage firewalls, VPNs, and other security appliances (IDS/IPS) to detect and prevent potential security breaches.
  • Threat Monitoring & Incident Response: Continuously monitor network traffic for suspicious activity, security breaches, and vulnerabilities. Lead incident response efforts to mitigate risks and minimize damage in case of a breach.
  • Security Audits & Risk Assessments: Conduct regular security audits, vulnerability assessments, and penetration testing to identify weaknesses in the network and ensure compliance with internal and regulatory standards.
  • Security Tools & Automation: Utilize security tools (SIEM, firewall management systems, vulnerability scanners, etc.) and automation techniques to enhance security posture and streamline incident response processes.
Qualifications
  • Academic Knowledge: Bachelor's degree in Computer Science, Information Security, or related field. Relevant certifications (e.g., CISSP, CISM, CCNP Security) are preferred.
  • Work Experience: Minimum of 3-5 years of experience in network security or IT security, ideally in a banking or financial services environment.
  • Skills / Specialized Know How:
    • Strong understanding of network protocols, including TCP/IP, DNS, DHCP, and HTTP.
    • Hands-on experience with firewalls (Palo Alto, Cisco ASA, Fortinet, etc.), VPN technologies, and IDS/IPS.
    • Experience with network security tools such as SIEM, vulnerability scanners (Nessus, Qualys), and penetration testing tools.
    • Familiarity with cloud security architectures and hybrid environments (AWS, Azure).
    • Knowledge of industry standards and best practices (NIST, ISO 27001, PCI DSS).

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Network Security Analyst

Johannesburg, Gauteng Optimal Growth Technologies

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Network Security Analyst (Remote South Africa)

Level: Intermediate

About The Role

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.

Key Responsibilities

  • 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.


Required Skills & Qualifications

  • 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.


Nice to Have

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


Why Join Us?

  • 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.
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Network Security Architect

Johannesburg, Gauteng Data Centrix

Posted 3 days ago

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Job Description

C

Responsibilities:
  • Solution Design & Architecture - Design comprehensive technical solutions that meet business requirements, create detailed technical documentation and architectural diagrams, evaluate and recommend technology solutions, and ensure solutions are scalable, secure, and cost-effective
  • Projects & Implementation - Lead technical aspects of solution implementation projects, coordinate with project teams and stakeholders, oversee solution deployment activities, and ensure successful delivery of architectural designs from concept to production
  • Research & Development - Evaluate emerging technologies and industry trends, conduct proof-of-concept implementations, research new solutions for business challenges, assess technology viability and ROI, and maintain awareness of competitive landscape and innovation opportunities
  • Network Infrastructure & Security - Design scalable network architectures with focus on performance, reliability, and security integration, architect firewall topologies including next-generation firewalls (NGFW), web application firewalls (WAF), and distributed security frameworks, conduct network fault finding and root cause analysis, design comprehensive network security architectures, zero-trust network architectures, network segmentation strategies, and secure cloud connectivity patterns, assess and recommend security technologies for network infrastructure, and evaluate emerging cybersecurity trends to inform architectural decisions.
  • Business Collaboration - Translate complex technical concepts into business-friendly language, adapt to industry-specific terminology, work with stakeholders to gather requirements, and present solutions to both technical and non-technical audiences
  • Vendor Management & Support - Coordinate with multiple technology vendors to evaluate products and services, manage vendor relationships and negotiate technical specifications, serve as primary technical contact for implementations, and evaluate vendor capabilities for technology partnerships
  • Incident Response & Support - Provide technical expertise during security incidents and network outages, collaborate with security teams to investigate and resolve incidents, participate in post-incident reviews, and develop technical documentation for preventive measures
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Senior Network Security Engineer

Johannesburg, Gauteng Data Centrix

Posted 11 days ago

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Job Description

Key Responsibilities
  • Projects & Implementation (35%) Lead network infrastructure projects, coordinate timelines, and evaluate new technologies
  • Reporting & Documentation (10%) Generate network performance reports, maintain technical documentation, and create standard operating procedures
  • Critical Issue Management (15%) Respond to priority incidents, manage escalations, conduct root cause analysis, and participate in incident response
  • Stakeholder Management (10%) Maintain vendor relationships, collaborate with business units, and negotiate technical specification
  • Technical Support & Knowledge Transfer (20%) Implement and configure security protocols, provide technical support, troubleshoot issues, mentor team members, and stay current with updates
  • Maintenance (10%) Perform daily network health checks, execute routine maintenance, monitor performance, and maintain documentation
Required Qualifications:
  • Certifications & Experience: CCNA certification, entry-level PaloAlto qualification, and 4+ years of network and firewall management
  • Technical Skills : LAN understanding, WiFi and switching management, PaloAlto firewall configuration, multi-vendor network troubleshooting, and core networking protocols.
  • Preferred Skills: VeloCloud SD-WAN management, Cisco certification, server technology expertise, cloud platforms knowledge, and network monitoring tools.
  • Professional Skills: Adaptability, analytical and problem-solving capabilities, excellent communication, and strong documentation skills.
Advanced Certifications
  • CCNP Enterprise
  • PaloAlto PCNSE, PCNSA, PCCSA certification
  • CompTIA Security+ or equivalent security certifications
  • Cloud certifications (AWS, Azure, or Google Cloud

Technical Experience
  • Enterprise network design and implementation
  • Multi-vendor environment management
  • Security incident response and forensics
  • Network automation and scripting (Python, PowerShell)
  • SIEM and security monitoring tools
Industry Experience
  • Previous experience in vendor management or procurement
  • Background in cybersecurity or information security
  • Experience with enterprise monitoring and management tools
  • Project management experience with network implementations
Working Conditions
  • Position requires ability to work independently and make autonomous decisions
  • Occasional after-hours support during incidents or maintenance windows required
  • Regular interaction with external vendors and internal stakeholders
  • Some travel may be required for vendor meetings, training, or site visits
  • On-call rotation participation for critical infrastructure support
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Network Security Engineer (CCNP Security certified)

8000 Cape Town, Western Cape DLK Group (PTY) Ltd

Posted 415 days ago

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Job Description

The role of the Cisco Certified Network Professional Security Engineer encompasses many activities within the scope of the relevant services including (but not limited to): Network SecurityCollaboration Security.Vulnerability Management Security.Excellent problem-solving skills across all endpoints and network resources in terms of patching, vulnerabilities and threats.Excellent understanding of security issues associated with operating systems, networking, and virtualization software, 0365 applications and identity and access management.Excellent IT technical knowledge of wired network and cloud computing.Excellent knowledge of cybersecurity across all the security service areas.Good understanding of hacking and how to identify and detect and perform remediation.Have a good awareness and in depth understanding of security standards and best practices.Excellent ability to examine technical issues relating to security incidents.Cisco user management and operations firewall support. Network vulnerability testing reports.Requirements

Minimum Requirements:

Relevant tertiary qualifications and/or applicable courses.Cisco CCNP Security Certification.3-5 years' experience in policy configurations, integrations, deployments, management and troubleshooting of:Cisco Firepower Next-Generation Intrusion Prevention SystemsASASecurity Identity Management3-5 years' experience and expertise in the Cisco Web and Video Conferencing and3-5 years’ experience in the implementation, configuration, support and management of the Cisco Identify Services Engine including architecture.
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CCNP Network Security Engineer Market related rate per hour

Cape Town, Western Cape DLK Group

Posted 9 days ago

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Job Description

Introduction

We are looking for a Cisco Certified Network Professional to work in Cape Town for a contract role.

The role of the CCNP Specialist encompasses many activities including (but not limited to):
  • Performing basic designing, installing and troubleshooting of Cisco voice and unified communications applications, devices, and networks.
  • Performing network security tasks, including setting up and monitoring of secure voice system networks and launching and enforcing access control policies.
  • Managing the access points, IP telephony, PaBX and other hardware set-ups.
  • Managing and expanding the CISCO unified platform, such as CUCM and UCCX.
  • Setup and configuration of Cisco range of switches, routers and wireless access points.
  • VoIP Service support.
  • Advanced / expert network designs.
  • Integration of any hardware/software configuration or telephone system to allow for maximum flexibility, e.g., instruments, switches, wireless environment, and backend support.
  • Implementation of advanced solutions, if and where required.
  • Operational support relating to problem responses.
  • Advanced troubleshooting.
  • Auditing of user activity to ensure integrity and performance of the relevant databases.
  • Establishing standards, policies and procedures for database administration.
  • Defining and implementing appropriate alerts on data.
  • End-to-end testing to ensure optimal performance.
  • Health checks and verification reports.
  • Backup checks and verification reports.
Minimum Requirements
  • Grade 12
  • CISCO OEM Certified as CCNP with Voice / switching and security experience.
  • Minimum of 5 years' relevant working experience in the same or similar role.
  • Ability to collaborate and work as a part of a team.
  • Ability to be self-managed, ethical and honest.
  • Ability to be respectful and seek to build relationships.
  • Relevant telecommunications experience and skills.
  • Experience and capability of leading IT technologies.
Package & Remuneration

Market related salary per hour.

Interested?

Apply with your CV and Qualifications at our website:

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Ccnp network security engineer market related rate per hour

Cape Town, Western Cape DLK Group

Posted today

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Job Description

permanent
Introduction We are looking for a Cisco Certified Network Professional to work in Cape Town for a contract role. The role of the CCNP Specialist encompasses many activities including (but not limited to): Performing basic designing, installing and troubleshooting of Cisco voice and unified communications applications, devices, and networks. Performing network security tasks, including setting up and monitoring of secure voice system networks and launching and enforcing access control policies. Managing the access points, IP telephony, Pa BX and other hardware set-ups. Managing and expanding the CISCO unified platform, such as CUCM and UCCX. Setup and configuration of Cisco range of switches, routers and wireless access points. Vo IP Service support. Advanced / expert network designs. Integration of any hardware/software configuration or telephone system to allow for maximum flexibility, e.g., instruments, switches, wireless environment, and backend support. Implementation of advanced solutions, if and where required. Operational support relating to problem responses. Advanced troubleshooting. Auditing of user activity to ensure integrity and performance of the relevant databases. Establishing standards, policies and procedures for database administration. Defining and implementing appropriate alerts on data. End-to-end testing to ensure optimal performance. Health checks and verification reports. Backup checks and verification reports. Minimum Requirements Grade 12 CISCO OEM Certified as CCNP with Voice / switching and security experience. Minimum of 5 years' relevant working experience in the same or similar role. Ability to collaborate and work as a part of a team. Ability to be self-managed, ethical and honest. Ability to be respectful and seek to build relationships. Relevant telecommunications experience and skills. Experience and capability of leading IT technologies. Package & Remuneration Market related salary per hour. Interested? Apply with your CV and Qualifications at our website: #J-18808-Ljbffr
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Ccnp network security engineer market related rate per hour

Cape Town, Western Cape DLK Group

Posted today

Job Viewed

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Job Description

permanent
Introduction We are looking for a Cisco Certified Network Professional to work in Cape Town for a contract role. The role of the CCNP Specialist encompasses many activities including (but not limited to): Performing basic designing, installing and troubleshooting of Cisco voice and unified communications applications, devices, and networks. Performing network security tasks, including setting up and monitoring of secure voice system networks and launching and enforcing access control policies. Managing the access points, IP telephony, Pa BX and other hardware set-ups. Managing and expanding the CISCO unified platform, such as CUCM and UCCX. Setup and configuration of Cisco range of switches, routers and wireless access points. Vo IP Service support. Advanced / expert network designs. Integration of any hardware/software configuration or telephone system to allow for maximum flexibility, e.g., instruments, switches, wireless environment, and backend support. Implementation of advanced solutions, if and where required. Operational support relating to problem responses. Advanced troubleshooting. Auditing of user activity to ensure integrity and performance of the relevant databases. Establishing standards, policies and procedures for database administration. Defining and implementing appropriate alerts on data. End-to-end testing to ensure optimal performance. Health checks and verification reports. Backup checks and verification reports. Minimum Requirements Grade 12 CISCO OEM Certified as CCNP with Voice / switching and security experience. Minimum of 5 years' relevant working experience in the same or similar role. Ability to collaborate and work as a part of a team. Ability to be self-managed, ethical and honest. Ability to be respectful and seek to build relationships. Relevant telecommunications experience and skills. Experience and capability of leading IT technologies. Package & Remuneration Market related salary per hour. Interested? Apply with your CV and Qualifications at our website: #J-18808-Ljbffr
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Chuyên Viên An Ninh Bảo Mật Mạng (Network Security Engineer)

Sun City, North West Sun Group

Posted 21 days ago

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Chuyên Viên An Ninh Bảo Mật Mạng (Network Security Engineer)

Join to apply for the Chuyên Viên An Ninh Bảo Mật Mạng (Network Security Engineer) role at Sun Group

Chuyên Viên An Ninh Bảo Mật Mạng (Network Security Engineer)

Join to apply for the Chuyên Viên An Ninh Bảo Mật Mạng (Network Security Engineer) role at Sun Group

  • Triển khai, cấu hình và quản trị các thiết bị bảo mật mạng: Firewall (Fortinet, Check Point…), Endpoint Security, WAF, PAM, VPN, .
  • Giám sát, phân tích lưu lượng mạng để phát hiện, ngăn chặn và xử lý các hành vi tấn công, truy cập trái phép.
  • Tham gia điều tra và khắc phục sự cố bảo mật liên quan đến hạ tầng mạng.
  • Thực hiện kiểm tra, đánh giá định kỳ về cấu hình bảo mật của hệ thống mạng.
  • Xây dựng và duy trì các chính sách, quy trình bảo mật mạng theo tiêu chuẩn ISO 27001, NIST, hoặc tương đương.
  • Hỗ trợ triển khai các dự án bảo mật mạng, bao gồm cả on-premise và cloud.
  • Tham gia diễn tập ứng phó sự cố an toàn thông tin liên quan đến hệ thống mạng.

Mô tả công việc

  • Triển khai, cấu hình và quản trị các thiết bị bảo mật mạng: Firewall (Fortinet, Check Point…), Endpoint Security, WAF, PAM, VPN, .
  • Giám sát, phân tích lưu lượng mạng để phát hiện, ngăn chặn và xử lý các hành vi tấn công, truy cập trái phép.
  • Tham gia điều tra và khắc phục sự cố bảo mật liên quan đến hạ tầng mạng.
  • Thực hiện kiểm tra, đánh giá định kỳ về cấu hình bảo mật của hệ thống mạng.
  • Xây dựng và duy trì các chính sách, quy trình bảo mật mạng theo tiêu chuẩn ISO 27001, NIST, hoặc tương đương.
  • Hỗ trợ triển khai các dự án bảo mật mạng, bao gồm cả on-premise và cloud.
  • Tham gia diễn tập ứng phó sự cố an toàn thông tin liên quan đến hệ thống mạng.

Yêu cầu

  • Tốt nghiệp Đại học chính quy ngành An toàn thông tin, Công nghệ thông tin, Điện tử viễn thông hoặc tương đương.
  • Tối thiểu 3 năm kinh nghiệm làm việc trong lĩnh vực Network Security hoặc vị trí tương đương.
  • Nắm vững kiến thức về TCP/IP, Routing, Switching, VLAN, VPN, NAT, ACL.
  • Thành thạo triển khai và quản trị các thiết bị bảo mật: Firewall, Endpoint Security, WAF, PAM, VPN.
  • Hiểu biết về các tiêu chuẩn và khung bảo mật: NIST
  • Có kinh nghiệm bảo mật trên môi trường Cloud (Azure)
  • Ưu tiên: Có các mộ trong các chứng chỉ bảo mật sau là một lợi thế: CCNP Security, Palo Alto PCNSE, AZ-500, SC-200, SC-100, Aws Security Specialty, …

Quyền Lợi

  • Hưởng thu nhập cạnh tranh, hấp dẫn theo năng lực của bản thân.
  • Thưởng tháng 13 và thưởng cuối năm theo thành tích công việc.
  • Được đóng bảo hiểm đầy đủ theo quy định và bảo hiểm sức khỏe Sun Care 24/7.
  • Được ưu đãi đặc biệt khi sử dụng dịch vụ trong hệ sinh thái của Sun Group trên toàn quốc như: Sun World, Sun Hospitality, Bệnh viện Mặt trời. cho bản thân và gia đình theo chế độ dành cho CBNV.
  • Hưởng chính sách Thâm niên, An cư lạc nghiệp – cấp nhà ở cho CBNV (100% giá trị)
  • Được đào tạo nâng cao nghiệp vụ, cơ hội phát triển nghề nghiệp.
  • Được làm việc trong môi trường chuyên nghiệp, năng động và hiệu quả
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Network and Security Engineer JOHANNESBURG NORTH

Johannesburg, Gauteng Affirmative Portfolios

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Network and Security Engineer JOHANNESBURG NORTH

JHB North, Johannesburg – Gauteng

Network and Security Engineer

Paterson Grade : D-Upper

12 Month Contract Position

Key performance areas :

Overall cybersecurity compliance, management, and training throughout the organization.

Ensures that data integrity, and that information is kept accurate and consistent unless authorized access.

Managing and monitoring all installed systems and infrastructure.

Organization-wide cybersecurity and related document, process, and record management to ensure that systems and products are safe / secure and effective.

Installing, configuring, testing, and maintaining operating systems, application software and system management tools.

Ensuring the highest levels of systems and infrastructure availability.

Proposes design enhancements, capacity changes, contingency and recovery.

Arrangements as required to ensure that service targets are met within the organisation’s planned budget.

Ensures the investigation and diagnosis of operational incidents.

Resolve such incidents, including any capacity and availability management issues to maintain overall performance.

Acts as the technical lead on projects relating to security, data, and voice network management.

Provides advice and guidance on the design and development of new and changed systems to optimize operational efficiency.

Ensures that appropriate software and specialist monitoring tools are used to maintain awareness and control of hardware and software.

Monitors exceptional incidents and conducts or initiates investigations on system performance.

Proposes and implements consequent improvements working towards industry top benchmark targets.

Coach and monitor junior engineers, setting standards of performance and objectives (both collective and individual) in line with service objectives, provides direction and support to all team members ensuring that the highest professional standards are observed.

Monitor and test application and network performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes.

Competencies, Knowledge, and Skills :

Knowledge of NIST and other security related frameworks.

Documentation (both process documentation and records management).

Broad knowledge of hardware, networking cyber security, vulnerability management and cloud migration.

In-depth understanding of infrastructure and network architecture and design.

Working knowledge on end points security solutions (firewalls, anti-virus, and network vulnerability assessments

Access control systems

Incidents detection and management.

Excellent analytical and problem-solving skills.

Strong Troubleshooting / problem-solving ability.

Understanding of virtual environments and containers.

Extensive understanding of Networks switching and routing as well as Voice technologies SIP and SBS’s.

Extensive understanding of firewalls, IPS, ACLS, DLP and vulnerability assessment.

Understanding of Enterprise Linus and Windows servers and services.

Experience with monitoring systems.

Experience with automation software.

Minimum Requirements :

Relevant Degree / National Diploma in Information Technology / Computer Science / Information Systems or equivalent

3-4 year’s experience in ICT security : (ie : 4 Years senior systems engineer experience / 3 years as a team lead / 2 Years’ senior security engineer experience / 2 Years’ senior data engineer experience / 2 Years’ senior voice engineer experience)

Certificate or equivalent in Information / IT Security such as CISSP, SISM, CCSP. ITIL would serve as an added advantage.

Closing Date : 6 March 2024

Should you not hear from us within 14 days of the closing date, please consider your application unsuccessful.

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Network Engineer • JHB North, Johannesburg - Gauteng

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