60 Network Engineering jobs in Johannesburg

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Join to apply for the Network Security Analyst role at 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.
  

Seniority level

• Seniority level Not Applicable

Employment type

• Employment type Contract

Job function

• Job function Information Technology
• Industries IT Services and IT Consulting

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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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Overview

Network and Security Engineer - Healthcare IT (ACRN) - Harare or Johannesburg

Location: Harare or Johannesburg, South Africa – On site at one of these locations

Hours: Full Time

Reports to: Chief Technology Officer - Africa Clinical Research Network

Work Environment: This position can be based in Zimbabwe or South Africa, with occasional travel to other office locations as necessary. The role may require flexible working hours to support remote teams and ensure systems are running smoothly across time zones.

Job Summary

We are seeking a Network and Security Engineer with expertise in healthcare IT security, HL7 data exchange, and regulatory compliance. This role is responsible for designing, implementing, and securing network infrastructure in a healthcare environment, ensuring the confidentiality, integrity, and availability of Health Information Systems (HIS) while supporting interoperability standards such as HL7, FHIR, and DICOM. The ideal candidate will have strong experience in network security, healthcare data standards, and regulatory compliance (HIPAA, HITECH, POPIA, GDPR) and will play a key role in securing electronic health records (EHRs) and clinical data exchanges both on premise and across multiple clouds.

Key Responsibilities

• Healthcare Network & Infrastructure Security: Design, implement, and maintain secure network architectures for healthcare IT environments, including hospitals, clinics, IoT and telemedicine platforms.
• Manage and secure HL7 interfaces, FHIR APIs, and data interoperability between healthcare systems (EHRs, PACS, LIS, HIS, RIS, etc.).
• Configure, maintain, and optimize firewalls, VPNs, IDS/IPS, NAC, Cloud Security and secure VLAN segmentation to ensure network security.
• Design and manage the organization SD-WAN and its policies; Implement a ZERO Trust environment.
• Establish secure data channels allowing for health data sharing and interoperability; Create secure trusts between ACRN and partner sites.
• Troubleshoot network connectivity and integration issues related to HL7 data exchange and interoperability.
• Data Security & Compliance: Implement encryption, access control, and data loss prevention (DLP) strategies to protect HIS/EHR and sensitive patient records.
• Ensure compliance with healthcare data protection regulations (HIPAA, HITECH, POPIA, GDPR, GCP, GLP, ISO 27001).
• Conduct risk assessments, vulnerability scans, and penetration testing; Develop and enforce security policies and procedures for healthcare IT infrastructure.
• Threat Management & Incident Response: Monitor SIEM solutions for suspicious activity; Respond to cyber threats, malware, ransomware, and phishing; Lead incident response and forensic investigations; Develop disaster recovery (DR) and business continuity (BC) plans.
• Manage Microsoft 365 environment security (Intune, MDM, Active Directory Online).
• Interoperability & Health Data Exchange Security: Secure messaging protocols (HL7 v2.x, HL7 v3, FHIR, DICOM, X12, CDA, IHE); Collaborate with EHR vendors, medical device manufacturers, and HIEs; Monitor API security for FHIR-based applications.
• Collaboration & Continuous Improvement: Work with healthcare IT teams, compliance officers, and clinicians; Stay updated on emerging threats in healthcare cybersecurity; Provide security awareness training.

Qualifications & Experience

• Bachelor's degree in Computer Science, Cybersecurity, Healthcare Informatics, or related field.
• 5+ years of experience in network security and IT infrastructure, preferably in a healthcare environment.
• Strong knowledge of healthcare standards and data security (HL7, FHIR, DICOM, HIPAA, HITECH, ISO 27001, POPIA).
• Hands-on experience with firewalls, VPNs, IDS/IPS, SIEM, and endpoint security solutions.
• Proficiency in Cisco, Palo Alto, Fortinet, Juniper networking and security devices.
• Experience securing EHRs, health information exchanges (HIEs), and cloud-based health platforms (AWS, Azure, Google Cloud for Healthcare).
• Strong understanding of medical device security, IoT security, and cloud security best practices.
• Knowledge of scripting and automation (Python, PowerShell, Bash) is an advantage.

Certifications (Preferred)

• CCNA Security / CCNP Security
• Certified Information Systems Security Professional (CISSP)
• Certified Ethical Hacker (CEH)
• HealthCare Information Security and Privacy Practitioner (HCISPP)
• CompTIA Security+
• Certified HL7 Specialist (optional, but a plus)

Key Competencies

• Strong problem-solving and analytical skills in network security and healthcare IT environments.
• Excellent communication skills to work effectively with technical and non-technical stakeholders.
• Ability to work under pressure in fast-paced healthcare environments with high data sensitivity.

Application

Please apply online providing a covering letter specifically highlighting how your existing skills and experiences support fulfilling the responsibilities of this role.

Note: Referrals increase your chances of interviewing at Ellison Institute of Technology Oxford.

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Overview Network and Security Engineer - Healthcare IT (ACRN) - Harare or Johannesburg Location: Harare or Johannesburg, South Africa – On site at one of these locations Hours: Full Time Reports to: Chief Technology Officer - Africa Clinical Research Network Work Environment: This position can be based in Zimbabwe or South Africa, with occasional travel to other office locations as necessary. The role may require flexible working hours to support remote teams and ensure systems are running smoothly across time zones. Job Summary We are seeking a Network and Security Engineer with expertise in healthcare IT security, HL7 data exchange, and regulatory compliance. This role is responsible for designing, implementing, and securing network infrastructure in a healthcare environment, ensuring the confidentiality, integrity, and availability of Health Information Systems (HIS) while supporting interoperability standards such as HL7, FHIR, and DICOM. The ideal candidate will have strong experience in network security, healthcare data standards, and regulatory compliance (HIPAA, HITECH, POPIA, GDPR) and will play a key role in securing electronic health records (EHRs) and clinical data exchanges both on premise and across multiple clouds. Key Responsibilities Healthcare Network & Infrastructure Security: Design, implement, and maintain secure network architectures for healthcare IT environments, including hospitals, clinics, Io T and telemedicine platforms. Manage and secure HL7 interfaces, FHIR APIs, and data interoperability between healthcare systems (EHRs, PACS, LIS, HIS, RIS, etc.). Configure, maintain, and optimize firewalls, VPNs, IDS/IPS, NAC, Cloud Security and secure VLAN segmentation to ensure network security. Design and manage the organization SD-WAN and its policies; Implement a ZERO Trust environment. Establish secure data channels allowing for health data sharing and interoperability; Create secure trusts between ACRN and partner sites. Troubleshoot network connectivity and integration issues related to HL7 data exchange and interoperability. Data Security & Compliance: Implement encryption, access control, and data loss prevention (DLP) strategies to protect HIS/EHR and sensitive patient records. Ensure compliance with healthcare data protection regulations (HIPAA, HITECH, POPIA, GDPR, GCP, GLP, ISO 27001). Conduct risk assessments, vulnerability scans, and penetration testing; Develop and enforce security policies and procedures for healthcare IT infrastructure. Threat Management & Incident Response: Monitor SIEM solutions for suspicious activity; Respond to cyber threats, malware, ransomware, and phishing; Lead incident response and forensic investigations; Develop disaster recovery (DR) and business continuity (BC) plans. Manage Microsoft 365 environment security (Intune, MDM, Active Directory Online). Interoperability & Health Data Exchange Security: Secure messaging protocols (HL7 v2.x, HL7 v3, FHIR, DICOM, X12, CDA, IHE); Collaborate with EHR vendors, medical device manufacturers, and HIEs; Monitor API security for FHIR-based applications. Collaboration & Continuous Improvement: Work with healthcare IT teams, compliance officers, and clinicians; Stay updated on emerging threats in healthcare cybersecurity; Provide security awareness training. Qualifications & Experience Bachelor's degree in Computer Science, Cybersecurity, Healthcare Informatics, or related field. 5+ years of experience in network security and IT infrastructure, preferably in a healthcare environment. Strong knowledge of healthcare standards and data security (HL7, FHIR, DICOM, HIPAA, HITECH, ISO 27001, POPIA). Hands-on experience with firewalls, VPNs, IDS/IPS, SIEM, and endpoint security solutions. Proficiency in Cisco, Palo Alto, Fortinet, Juniper networking and security devices. Experience securing EHRs, health information exchanges (HIEs), and cloud-based health platforms (AWS, Azure, Google Cloud for Healthcare). Strong understanding of medical device security, Io T security, and cloud security best practices. Knowledge of scripting and automation (Python, Power Shell, Bash) is an advantage. Certifications (Preferred) CCNA Security / CCNP Security Certified Information Systems Security Professional (CISSP) Certified Ethical Hacker (CEH) Health Care Information Security and Privacy Practitioner (HCISPP) Comp TIA Security+ Certified HL7 Specialist (optional, but a plus) Key Competencies Strong problem-solving and analytical skills in network security and healthcare IT environments. Excellent communication skills to work effectively with technical and non-technical stakeholders. Ability to work under pressure in fast-paced healthcare environments with high data sensitivity. Application Please apply online providing a covering letter specifically highlighting how your existing skills and experiences support fulfilling the responsibilities of this role. Note: Referrals increase your chances of interviewing at Ellison Institute of Technology Oxford. #J-18808-Ljbffr

Network Engineer

Reference: NWA -Njabu-3
If you are an experienced Network Engineer who wants to make a difference in a continuously growing company, then APPLY NOW!

Duties & Responsibilities

The Network Engineer role is responsible for designing, building, maintaining, and documenting the network security infrastructure.

Job Experience & Skills Required:

• Relevant IT Networking and Security Certifications, plus appropriate Diploma
• Experience and product-specific training
• 5 Years’ experience
• Willing to work extended hours/shifts
• Willing to travel
• ITIL or Networking certificates (advantageous)
• Administration of Firewalls, Routers, Switches, Intrusion Prevention Systems, Intrusion Detection Systems, Network Access Control (NAC), and Virtual Private Networks (VPN)

If you are interested in this opportunity, please apply directly. If you wish to send your CV via email, forward your CV to and copy the reference number in the subject line of your e-mail.

If you have not had any response in two weeks, please consider the vacancy application unsuccessful. Your profile will be kept on our database for any other opportunities that appear for which you might be more suitable.

For more information contact:
Njabulo Ndzimande on
IT Recruitment Consultant

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Network Engineer Reference: NWA -Njabu-3 If you are an experienced Network Engineer who wants to make a difference in a continuously growing company, then APPLY NOW! Duties & Responsibilities The Network Engineer role is responsible for designing, building, maintaining, and documenting the network security infrastructure. Job Experience & Skills Required: Relevant IT Networking and Security Certifications, plus appropriate Diploma Experience and product-specific training 5 Years’ experience Willing to work extended hours/shifts Willing to travel ITIL or Networking certificates (advantageous) Administration of Firewalls, Routers, Switches, Intrusion Prevention Systems, Intrusion Detection Systems, Network Access Control (NAC), and Virtual Private Networks (VPN) If you are interested in this opportunity, please apply directly. If you wish to send your CV via email, forward your CV to and copy the reference number in the subject line of your e-mail. If you have not had any response in two weeks, please consider the vacancy application unsuccessful. Your profile will be kept on our database for any other opportunities that appear for which you might be more suitable. For more information contact:Njabulo Ndzimande on IT Recruitment Consultant #J-18808-Ljbffr

Specialist Network Engineer page is loaded# Specialist Network Engineerlocations: Johannesburgtime type: Full timeposted on: Posted 7 Days Agojob requisition id: JR04433It’s not just IT solutions, It’s IT global know-how! Logicalis is an international multi-skilled solution provider providing digital enablement services to help customers harness digital technology and innovative services to deliver powerful business outcomes.Our customers span industries and geographical regions; and our focus is to engage in the dynamics of our customers’ vertical markets; including financial services, TMT (telecommunications, media and technology), education, healthcare, retail, government, manufacturing and professional services, and apply the skills of our 4,500 employees in modernising key digital pillars; data centre and cloud services, security and network infrastructure, workspace communications and collaboration, data and information strategies, and IT operation modernisation. We are the advocates for our customers for some of the world’s leading technology companies including Cisco, HPE, IBM, CA Technologies, NetApp, Microsoft, Oracle, VMware and ServiceNowLogicalis employees are innovative, smart, entrepreneurial and customer centric, with a shared ambition of making Logicalis the worlds leading IT Solutions provider!We offer speedy decision-making, opportunities for personal development, and a supportive, inclusive environment that celebrates our diversity.Join us and become a part of something epic!**ROLE PURPOSE**The Logicalis South Africa (LSA) Networks Team has responsibilities focused on the smooth running of our customer’s network environments, ensuring LAN and WAN availability is maintained at the highest level. This is achieved by performing routine maintenance and implementing best practices on routers, switches, access points, wireless LAN controllers, and firewalls.As a part of the Networks team, you will be responsible for working on incidents, problems, and changes, always adhering to ITIL principles. You will also be required to support a 24/7 Shift Team out of hours as needed on standby rotation. You might be required to work on a staggered shift schedule to cover support for offshore customers in different time zones. You will work alongside Project, Transition, and Service Delivery management teams to assist in the smooth transition and acceptance of new customers and technologies into support.As a Specialist in the team, you are expected to solve complex problems, take a broad perspective to identify solutions, interpret internal or external issues & recommend solutions/best practices. You are expected to work independently, with guidance in only the most complex situations. You may lead function teams or projects and serve as a best practices/quality resource, & subsequently train/mentor less experienced engineers.**ROLE RESPONSIBILITIES:*** Design, implement, and maintain Network environments.* Day-to-day support of our customer’s Network environments.* Ability to perform both project and support work on the Cisco Networks environments.* Troubleshooting high-level technical faults and updating clients and stakeholders on progress.* Regularly update Logicalis ticketing system Service Now / Autotask with quality notes.* Perform project-related duties for new & changing infrastructure deployments required by clients.* Assisting, mentoring, and training less experienced engineers with technical escalations and upskilling.* Providing input to customer-facing Technical Incident Reports.* Capturing repeat faults and undertaking root cause analysis.* Proactive identification of fault trends.* Working to industry-standard project methodologies.* Development & maintenance of low-level and high-level designs.* Development & testing of operability and supportability for new migrations.* Development of peer relationships with key suppliers.* Working closely with the Team Leader (TL) on continual improvement programs.* Provide technical expertise to TL and assist with technical skills evaluation of other engineers.* Work with the other departments to understand and share technical strategy.* Complete customer Change Requests, impact & risk analysis, and implement out-of-hours if required.* Provide technical consultancy to all other areas of the business to ensure the integrity, performance, and support of new opportunities that involve support.* Find technical solutions to problems where necessary and practical, without compromising the commercial viability of a new product.* Where required perform the ‘Lead Engineer’ role for some of LSA’s clients for support and projects.* To stay up to date and accredited with the current technologies.* Capturing repeat faults and undertaking root cause analysis.**QUALIFICATIONS*** National High School Senior Certificate (or equivalent)* Graduate or qualified by experience.* Cisco CCNP - mandatory* Cisco CCIE - preferred, but not mandatory* ITIL v3 Foundation - preferred, but not mandatory**EXPERIENCE*** Minimum 10 years of general IT support experience.* Minimum 8 years of dedicated networking/security experience.* Expert in designing, configuring, and troubleshooting, routing, switching, security, and wireless.* Expert in designing configuring and troubleshooting MPLS and/or SD-WAN* Deep in-depth knowledge of troubleshooting network environments.* Experience in managing major incidents in collaboration with Major Incident Management (MIM)* Experience with Change Management.* Extensive experience with and knowledge of trace analysis, Wireshark & packet capture.* Experiencing in managing a Data Centre.* Extensive experience in putting together effort costs for project work.**PERSON REQUIREMENTS:*** A high command of the English language both written and verbal is essential.* Self-motivated with the ability to work unsupervised.* Good communicator with the user environment.* Ability to work in a very busy and highly pressurized environment and deal with high-impact, high-profile incidents, problems, and changes.* A structured and organized approach to complex problem determination and solving.* Numerate and literate with an eye for detail.* Punctuality.* Excellent verbal and written communication skills.* Ability to remain flexible and adapt to changing priorities with promptness, efficiency, and ease.* Possess proficient analytical and decision-making skills.* Demonstrated capacity for gathering and scrutinizing data to identify issues, opportunities, and patterns.* A good listener, with the ability to communicate technical issues and resolutions to people of varying technical levels.* Proficient relationship-building skills – predict customer behaviour and respond accordingly.* A strong service-oriented (‘can-do’) culture, with a strong focus on the ‘internal customer’ approach, committed to exceeding customer expectations.* Dynamic but aware of the views and feelings of others.* Professional & diligent team player but able to work independently and be self-motivated.* Enthusiastic, energetic, and confident.* Demonstrate clear purpose, enthusiasm, and commitment.* Ability to train users effectively.* Code B driving license (or code that includes B) and own transport.**Disclaimer**: Strictly fair and non-discriminatory selection procedures will be followed. We use Employment Equity (EE) and Affirmative Action (AA) measures in an endeavor to redress the disadvantages in employment experienced by designated groups. Where possible, preference will be given to candidates from the designated groups as defined in the Employment Equity Act and in line with Logicalis SA’s Employment Equity plansLogicalis is an international solutions provider of digital services currently accelerating the digital transformation of its 10,000 customers around the world.Through a globally connected network of specialist hubs,
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Senior Network Engineer

Join the green revolution! My client is a leading Renewables Energy company on a mission to power a sustainable future, and they are looking for a skilled Senior Network Engineer to play a key role in developing and maintaining their renewable energy systems.

With your expertise in networking, you will have the opportunity to work with cutting-edge technology and a dedicated team of experts, all while making a real impact on the environment.

They are looking for a Senior Network Engineer with:

1. Bachelor's Degree in Computer Science, Information Systems, Information Technology, or Electrical Engineering preferred.
2. 10 years' experience preferably with an Industrial Control Systems focus.
3. Cisco CCNA or CCNP certification.
4. CRISC, CISSP Certification an advantage.

They value creativity, innovation, and a passion for making a positive impact. If you are a problem-solver with a strong technical background and a commitment to sustainability, I want to hear from you.

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Overview

Senior Network Engineer to provide professional services (on a consultation basis) for Tier 3 level support, primarily focusing on escalation calls for all our Network solutions. These includes, Cisco ACI, Routing and Switching, Local Internet Peering (NapAfrica) and wireless. The resource will also participate in projects and assist with designing, deploying, configuring, and troubleshooting of our network-related solutions.

Responsibilities

• Provide professional services (on a consultation basis) for Tier 3 level support for network solutions, including Cisco ACI, Routing and Switching, Local Internet Peering (NapAfrica) and wireless; participate in projects and assist with designing, deploying, configuring, and troubleshooting of network-related solutions.

Qualifications

• Certified CCIE (Data Centre) and Cisco ACI with a minimum of 5 years’ experience with at least three (3) years in Cisco ACI and ACI Network (CCIE Routing and Switching as an added advantage).

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• IT Services and IT Consulting

Location

Bryanston, Gauteng, South Africa

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