170 IT Infrastructure jobs in Johannesburg

Join to apply for the Infrastructure Lead role at Old Mutual Insure

The Infrastructure Lead is responsible for the design, implementation, maintenance, and continuous improvement of the organisation’s IT infrastructure. This includes on-premises and cloud environments, servers (Windows & Linux), storage (SAN), networking (firewalls, switches, load balancers), virtualization (VMware vSphere), backups, disaster recovery, and supporting the migration to Azure. The role also involves leading a team, collaborating with stakeholders, and ensuring high availability, security, and performance of all infrastructure components.

Key Responsibilities

• Infrastructure Management: Oversee and maintain Windows and Linux server ecosystems.
• Manage and optimize VMware vSphere/ESXi environments, including patching, upgrades, troubleshooting, and performance monitoring.
• Administer SAN storage, ensuring optimal performance, capacity planning, and data integrity.
• Maintain and support network infrastructure: firewalls, switches, load balancers, and routing.
• Oversee backup and disaster recovery strategies, ensuring regular testing and compliance.
• Ensure all systems are compliant with security standards and best practices.
• Develop, maintain, and enhance PowerShell scripts to automate routine tasks, improve efficiency, and support infrastructure management.
• Manage and optimize Azure cloud resources; support and drive migration initiatives to Azure.
• Support hybrid cloud networking (e.g., IPSEC tunnels, on-prem AD integration, blob storage).
• Support and maintain Kubernetes and API Manager environments.
• Implement and support DevOps practices and automation.
• Networking & Security: Collaborate with the security team for configuration and troubleshooting.
• Document and maintain firewall rules, network diagrams, and security controls.
• Ensure robust cybersecurity controls and participate in vulnerability management and remediation.
• Lead and mentor the infrastructure team, fostering a culture of continuous improvement and knowledge sharing.
• Work closely with development, business, and IT teams to analyze requirements and deliver solutions.
• Provide expert technical guidance and input on system architecture, integration, and best practices.
• Participate in architectural design, documentation, and consulting.
• Operational Excellence: Ensure high availability and reliability of core services.
• Monitor and report on infrastructure health, usage, and performance.
• Document and execute monthly reporting processes.
• Participate in after-hours support and emergency response as needed.
• Maintain and improve technical documentation and standard operating procedures.

Required Experience & Skills:

• Experience: 10+ years in IT infrastructure roles with proven leadership experience.
• Technical: Strong VMware vSphere/ESXi management, SAN storage and backup solutions, Advanced Active Directory (on-prem & Azure AD), Exchange (2019 & O365), DNS, IIS.
• Cloud platforms: Azure (required), AWS (advantageous).
• Networking: firewalls (Fortinet), switches, load balancers, MPLS/IP routing.
• Scripting: PowerShell (required), other automation tools (advantageous).
• Security: certificate management, vulnerability management, cybersecurity best practices.
• Soft Skills: Strong problem-solving, analytical, and critical thinking skills, Excellent communication (oral & written) and interpersonal skills.
• Ability to work under pressure, prioritize, and deliver quality results, Proactive, self-motivated, and collaborative team player.
• Strong organizational and time management skills, Customer-focused and adaptable to changing priorities.

Overview

To building great teams through acquiring (hiring), training and developing top class technical experts and implement engineering methods, practices, guidelines and frameworks that are defined to continually improve the quality of technical solutions that are delivered.

Type of Qualification: Post Graduate Degree
Field of Study: Information Technology
Experience Required
Technology Operations / Infrastructure Production
Technology
8-10 years
Solid experience in working in a multi discipline team fostering collaboration and team work. Solid experience in working in an IT infrastructure environment in any related technology discipline, must have a demonstrable technical background as well. Banking industry knowledge covering Personal and Business Banking as well as Corporate Banking; Regulatory and Compliance requirement understanding.

• Permanent contract
• Part-time
• From 600R to 700R gross salary/year
• At least 2 years of experience (Junior level)
• Bachelor degree
• IT Specialist

BOC has exciting opportunity for an individual to join our dynamic team,if this is you,we want you

Purpose

• The IT Infrastructure & Cyber Security Specialist is responsible for maintaining BOC's IT infrastructure (networks, servers, cloud applications, and collaboration platforms) while ensuring the highest standards of cyber security.
• This dual-function role combines hands-on technical support and network administration with cyber security monitoring, incident response, and regulatory compliance, ensuring the organization's digital environment remains stable, resilient, and secure.

Principal Accountabilities

• Perform troubleshooting using different diagnostic techniques
• Troubleshoot, diagnose, and resolve technical hardware and/or software issues
• Provide needed information on IT/IS products or services
• Keep record of problems and their resolution
• Provide feedback on processes and make recommendations on areas to improve
• Maintain technical documentation and service catalogue on installation of software, configuration of hardware and problem troubleshooting
• Suggest improvements on procedures

Specific Responsibilities

Infrastructure & Network Administration

• Configure, monitor, and maintain Cisco/HP switches, VLANs, and wireless access points.
• Install, configure, and maintain servers, network cabling, and endpoint devices (desktops, laptops, printers, mobile devices).
• Manage Active Directory (AD): user accounts, groups, Group Policy Objects (GPOs), and access permissions.
• Administer Microsoft 365 services via the Admin Portal, including Exchange Online, SharePoint, OneDrive, and Teams.
• Support and manage Microsoft Teams Rooms devices and applications.
• Perform system updates, backups, and proactive infrastructure maintenance to minimize downtime.
• Troubleshoot LAN/WAN, VPN, DHCP, and DNS issues and ensure reliable network connectivity.

Cyber Security Operations

• Configure, manage, and monitor firewalls, intrusion detection/prevention systems (IDS/IPS), and VPNs.
• Conduct regular network vulnerability assessments and penetration testing.
• Monitor for unusual traffic patterns, unauthorized access, and potential attacks.
• Maintain and monitor Security Information and Event Management (SIEM) systems and endpoint protection.
• Implement and enforce data protection policies, encryption standards, and secure data transfers.
• Oversee backup and disaster recovery processes to safeguard critical data.

Application & Data Security

• Secure key business applications (e.g., Sage ERP, HR, and operational systems).
• Enforce least-privilege principles, conduct access reviews, and manage security patching.
• Ensure audit logs for critical applications are captured, monitored, and retained.
• Perform root-cause analysis and prepare incident response reports.

Compliance & Reporting

• Ensure alignment with regulatory frameworks (e.g., POPIA, GDPR, PCI DSS, ISO
• Prepare and deliver regular security and risk reports for IT management and executives, including:

o Cyber incident statistics and firewall activity summaries.

o Security posture, vulnerability trends, and risk assessments.

o Compliance dashboards and audit responses.

• Provide clear, concise reporting for both technical and non-technical stakeholders.
• Lead cyber security awareness training for employees to reduce human error risks.

Collaboration & Knowledge Sharing

• Work closely with the IT support team to reduce reliance on external vendors.
• Provide mentorship to junior staff on network, cloud, and security best practices.
• Participate in the design and implementation of new IT projects and digital transformation initiatives.

Educational Level

• Degree or Diploma in Information Technology, Computer Science, or Information Security.
• Relevant certifications preferred:

o CCNA / CompTIA Network+ (networking)

o CompTIA Security+ / CISSP / CISM / CEH (cyber security)

o Microsoft certifications (e.g., MS-900, Azure Fundamentals, or Microsoft 365 Security Administrator).

Years of Experience

• Three (3) to five (5) years of combined working experience in IT support, network administration, and cyber security operations

Other Technical/ Professional Skills/Qualifications

• Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, VLANs) and structured cabling standards.
• Hands-on experience with Cisco/HP switch configuration and troubleshooting.
• Proficiency in Microsoft 365 Admin Portal and Active Directory administration.
• Experience in configuring and managing Microsoft Teams Rooms.
• Strong technical expertise in firewall administration, IDS/IPS, and network security tools.
• Familiarity with Sage ERP security and other key business application controls.
• Knowledge of data security principles, encryption, and disaster recovery strategies.
• Strong analytical, investigative, and problem-solving abilities.
• Excellent reporting and documentation skills, with the ability to present complex findings to executives.
• High integrity, confidentiality, and attention to detail.
• Strong communication and customer service orientation.
• Project management

Closing date is 25 September 2025

Correspondence will be limited to shortlisted candidates only.

If you have not been contacted within three months of the closing date, please consider your application unsuccessful.

Firewall

Cyber Security

SAGE ERP Systems

Configuration

Microsoft 365

Network Administration

Azure Fundamentals

Cisco/HP Switch Configuration And Troubleshooting

CCNA / CompTIA Network+

CompTIA Security+ / CISSP / CISM / CEH

Microsoft 365 Security Administrator

TCP/IP, DNS, DHCP, VLANs

Location

Address

1 Alsation St, 1685 Midrand, Afrique du Sud

Purpose

• The IT Infrastructure & Cyber Security Specialist is responsible for maintaining BOC's IT infrastructure (networks, servers, cloud applications, and collaboration platforms) while ensuring the highest standards of cyber security.
• This dual-function role combines hands-on technical support and network administration with cyber security monitoring, incident response, and regulatory compliance, ensuring the organization's digital environment remains stable, resilient, and secure.

Principal Accountabilities

• Perform troubleshooting using different diagnostic techniques
• Troubleshoot, diagnose, and resolve technical hardware and/or software issues
• Provide needed information on IT/IS products or services
• Keep record of problems and their resolution
• Provide feedback on processes and make recommendations on areas to improve
• Maintain technical documentation and service catalogue on installation of software, configuration of hardware and problem troubleshooting
• Suggest improvements on procedures

Specific Responsibilities
Infrastructure & Network Administration

• Configure, monitor, and maintain Cisco/HP switches, VLANs, and wireless access points.
• Install, configure, and maintain servers, network cabling, and endpoint devices (desktops, laptops, printers, mobile devices).
• Manage Active Directory (AD): user accounts, groups, Group Policy Objects (GPOs), and access permissions.
• Administer Microsoft 365 services via the Admin Portal, including Exchange Online, SharePoint, OneDrive, and Teams.
• Support and manage Microsoft Teams Rooms devices and applications.
• Perform system updates, backups, and proactive infrastructure maintenance to minimize downtime.
• Troubleshoot LAN/WAN, VPN, DHCP, and DNS issues and ensure reliable network connectivity.

Cyber Security Operations

• Configure, manage, and monitor firewalls, intrusion detection/prevention systems (IDS/IPS), and VPNs.
• Conduct regular network vulnerability assessments and penetration testing.
• Monitor for unusual traffic patterns, unauthorized access, and potential attacks.
• Maintain and monitor Security Information and Event Management (SIEM) systems and endpoint protection.
• Implement and enforce data protection policies, encryption standards, and secure data transfers.
• Oversee backup and disaster recovery processes to safeguard critical data.

Application & Data Security

• Secure key business applications (e.g., Sage ERP, HR, and operational systems).
• Enforce least-privilege principles, conduct access reviews, and manage security patching.
• Ensure audit logs for critical applications are captured, monitored, and retained.
• Perform root-cause analysis and prepare incident response reports.

Compliance & Reporting

• Ensure alignment with regulatory frameworks (e.g., POPIA, GDPR, PCI DSS, ISO
• Prepare and deliver regular security and risk reports for IT management and executives, including:
• Cyber incident statistics and firewall activity summaries.
• Security posture, vulnerability trends, and risk assessments.
• Compliance dashboards and audit responses.
• Provide clear, concise reporting for both technical and non-technical stakeholders.
• Lead cyber security awareness training for employees to reduce human error risks.

*Collaboration & Knowledge Sharing *

• Work closely with the IT support team to reduce reliance on external vendors.
• Provide mentorship to junior staff on network, cloud, and security best practices.
• Participate in the design and implementation of new IT projects and digital transformation initiatives.

Profil de candidat recherché :
Educational Level

• Degree or Diploma in Information Technology, Computer Science, or Information Security.
• Relevant certifications preferred:
• CCNA / CompTIA Network+ (networking)
• CompTIA Security+ / CISSP / CISM / CEH (cyber security)
• Microsoft certifications (e.g., MS-900, Azure Fundamentals, or Microsoft 365 Security Administrator).

Years Of Experience

• Three (3) to five (5) years of combined working experience in IT support, network administration, and cyber security operations

Other Technical/ Professional Skills/Qualifications

• Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, VLANs) and structured cabling standards.
• Hands-on experience with Cisco/HP switch configuration and troubleshooting.
• Proficiency in Microsoft 365 Admin Portal and Active Directory administration.
• Experience in configuring and managing Microsoft Teams Rooms.
• Strong technical expertise in firewall administration, IDS/IPS, and network security tools.
• Familiarity with Sage ERP security and other key business application controls.
• Knowledge of data security principles, encryption, and disaster recovery strategies.
• Strong analytical, investigative, and problem-solving abilities.
• Excellent reporting and documentation skills, with the ability to present complex findings to executives.
• High integrity, confidentiality, and attention to detail.
• Strong communication and customer service orientation.
• Project management

Closing date is 25 September 2025
Correspondence will be limited to shortlisted candidates only.
If you have not been contacted within three months of the closing date, please consider your application unsuccessful.
Compétences :
Firewall

Job Description

To provide expertise, advice and support through the design and implementation of information systems to support the enterprise infrastructure of the organisation

To ensure that all systems are working at optimal levels and support the development of new technologies and system requirements in order to continuously enhance service delivery

Hello Future Infrastructure Architect,

Welcome to FNB, the home of the #changeables. We design for the shapeshifters and deliver products and services that make us incredibly proud of people that make it happen.

As part of our talent team at FNB ConnectMe, you will be surrounded by unique talents, diverse minds, and an adaptable environment that lives up to the promise of staying curious. Now's the time to imagine your potential in a team where experts come together and ignite effective change.

Are you someone who can:

• Explore, develop, and design solutions utilising Kubernetes.
• Enhance operational efficiency and propose solutions to improve cost-effectiveness.
• Collaborate with diverse stakeholders, including end-users, SMEs, project managers, and senior staff, to gather and analyse business requirements.
• Work on Cisco PCCE system design solutions for improved administration and solutions delivery.
• Communicate system requirements to testers, developers, business analysts, and other relevant teams.
• Design and deliver infrastructure components supporting multiple domains within the architecture, combining both current and emerging technologies.
• Ensure compliance with audit, risk, and regulatory requirements, and implement necessary interventions.
• Document technical architecture designs, conduct analysis, and support post-project evaluations and metric collection.
• Provide technical consultancy on application or infrastructure projects, aligning systems with architecture standards and adapting the architecture when needed.
• Drive continuous improvement in service quality, processes, and automation of IT system .
• Define and guide enterprise technology decisions and contribute to governance activities ensuring architecture compliance.
• Support personal development and competency growth.
• Deliver training on current systems and solutions when required.

You will be an ideal candidate if you:

• Have an IT-related Degree or Diploma.
• Have 5+ years of experience in the IT field.
• Have programming experience or knowledge of programming principles.
• Have 2-3 years of experience in Systems Architecture and Kubernetes.
• Have strong design skills on Linux and Windows systems.
• Have advanced implementation and administration expertise in Kubernetes/Rancher.
• Have a Java development background (advantageous).
• Have experience with automated deployments (advantageous).
• Have solid understanding of infrastructure, data, and application systems.
• Have TOGAF and/or Zachman certification (advantageous but not required).
• Have knowledge of Test-Driven Development.
• Are familiar with Agile methodologies.
• Have experience with OpenShift.

You will have access to:

• Opportunities to network and collaborate
• Challenging Working
• Opportunities to innovate

We can be a match if you are:

• Curious & courageous - you're driven by always wanting to know more and learn more and you're brave enough to
• Obsessed with mastery - you know what it takes to become good at what you do and are constantly pushing yourself to do it

Are you interested to take the step? We look forward to engaging with you further. Apply now

Job Details

Take note that applications will not be accepted on the below date and onwards, kindly submit applications ahead of the closing date indicated below.

27/09/25

All appointments will be made in line with FirstRand Group's Employment Equity plan. The Bank supports the recruitment and advancement of individuals with disabilities. In order for us to fulfill this purpose, candidates can disclose their disability information on a voluntary basis. The Bank will keep this information confidential unless we are required by law to disclose this information to other parties.

The Infrastructure Technician is responsible for executing field-based tasks related to the installation, maintenance and upkeep of ikeja's infrastructure. This includes physical site work such as tower/pole maintenance, solar panel installation, battery replacement, cabinet repairs and related duties.

The ideal candidate is hands-on, safety-conscious and reliable, with strong knowledge of infrastructure equipment/hardware and a willingness to travel and work outdoors. This is a highly operational role that supports the overall stability and growth of the ikeja network.

Key Responsibilities:

• Perform maintenance and installations of infrastructure, including poles, towers, solar panels, radios, batteries and cabinets.
• Conduct repairs to physical infrastructure, ensuring minimal downtime and service interruptions.
• Assist in the deployment, relocation, or decommissioning of equipment at ikeja sites.
• Clean solar panels and maintain physical integrity of infrastructure assets.
• Conduct fault-finding and basic repairs on infrastructure equipment.
• Use power tools and related equipment safely and correctly.
• Assist with site clearance, preparation, leveling and pole foundation work.
• Complete all work with a focus on safety and compliance.
• Maintain cleanliness and orderliness of tools, vehicles and work areas.
• Report incidents or safety risks promptly to the Infrastructure Foreman.
• Work closely with the Infrastructure team and other departments to support field operations.
• Provide input into improving the efficiency of site work, tools and equipment handling.
• Record completed tasks and communicate updates as required.
• Attend weekly team check-ins and toolbox talks.

• Matric or equivalent (Grade 12) is advantageous.
• Minimum of 2 years' experience in an infrastructure-related technician role (including tower work, working at heights, deployment and maintenance of infrastructure).
• Good knowledge of infrastructure hardware, such as poles, radios, solar panels, batteries, cabinets and related equipment.
• Proven ability to use power tools and operational equipment effectively.
• Experience working at heights, with appropriate safety training and/or certification (advantageous).
• Valid driver's license held for at least 1 year.
• Physically fit and able to lift, carry and install hardware and infrastructure components.
• Willingness to work standby and travel between sites when required.
• Good problem-solving skills and technical troubleshooting ability.
• Excellent communication skills and ability to work well in a team.
• Proven ability to complete tasks with minimal supervision.
• Strong time management, safety awareness and attention to detail.

• The opportunity to grow both in your personal and professional capacity.
• Health insurance and provident fund benefits.
• Access to an online wellness platform, providing free and confidential support from licensed therapists.

How to apply:

To apply for this role, please submit a resume outlining your experience and qualifications as part of this process.

Closing date:

14 October 2025

The Infrastructure Technician is responsible for executing field-based tasks related to the installation, maintenance and upkeep of ikeja's infrastructure. This includes physical site work such as tower/pole maintenance, solar panel installation, battery replacement, cabinet repairs and related duties.

The ideal candidate is hands-on, safety-conscious and reliable, with strong knowledge of infrastructure equipment/hardware and a willingness to travel and work outdoors. This is a highly operational role that supports the overall stability and growth of the ikeja network.

Key Responsibilities:

• Perform maintenance and installations of infrastructure, including poles, towers, solar panels, radios, batteries and cabinets.
• Conduct repairs to physical infrastructure, ensuring minimal downtime and service interruptions.
• Assist in the deployment, relocation, or decommissioning of equipment at ikeja sites.
• Clean solar panels and maintain physical integrity of infrastructure assets.
• Conduct fault-finding and basic repairs on infrastructure equipment.
• Use power tools and related equipment safely and correctly.
• Assist with site clearance, preparation, leveling and pole foundation work.
• Complete all work with a focus on safety and compliance.
• Maintain cleanliness and orderliness of tools, vehicles and work areas.
• Report incidents or safety risks promptly to the Infrastructure Foreman.
• Work closely with the Infrastructure team and other departments to support field operations.
• Provide input into improving the efficiency of site work, tools and equipment handling.
• Record completed tasks and communicate updates as required.
• Attend weekly team check-ins and toolbox talks.

Requirements

• Matric or equivalent (Grade 12) is advantageous.
• Minimum of 2 years' experience in an infrastructure-related technician role (including tower work, working at heights, deployment and maintenance of infrastructure).
• Good knowledge of infrastructure hardware, such as poles, radios, solar panels, batteries, cabinets and related equipment.
• Proven ability to use power tools and operational equipment effectively.
• Experience working at heights, with appropriate safety training and/or certification (advantageous).
• Valid driver's license held for at least 1 year.
• Physically fit and able to lift, carry and install hardware and infrastructure components.
• Willingness to work standby and travel between sites when required.
• Good problem-solving skills and technical troubleshooting ability.
• Excellent communication skills and ability to work well in a team.
• Proven ability to complete tasks with minimal supervision.
• Strong time management, safety awareness and attention to detail.

Benefits

• The opportunity to grow both in your personal and professional capacity.
• Health insurance and provident fund benefits.
• Access to an online wellness platform, providing free and confidential support from licensed therapists.

How to apply:

To apply for this role, please submit a resume outlining your experience and qualifications as part of this process.

Closing date:

14 October 2025