75 Network Manager jobs in Johannesburg

About: Our client is on a mission to transform public transport by delivering rich digital experiences through a connected WiFi platform. Their custom hardware fleet powers connectivity in thousands of taxis across South Africa. As they scale, uptime, network performance, and device reliability are critical to delivering uninterrupted value to commuters and partners.

Summary: We're looking for an
IoT / Networking Manager
to take full ownership of our client's hardware ecosystem and network infrastructure. You will manage a distributed fleet of routers, oversee firmware integrity, maintain connectivity layers, and ensure uptime across all deployed devices. This role requires hands-on technical depth across embedded systems, Linux environments, and networking principles. You'll also interface with third-party vendors, ISPs, and internal stakeholders to drive consistent delivery and technical excellence.

Responsibilities:

• Manage and monitor our national fleet of routers (OpenWRT-based).
• Maintain and deploy firmware updates, working with developers to QA and release changes.
• Track firmware versions, debug devices in the field, and ensure seamless rollouts.
• Ensure consistent uptime of WiFi services and router heartbeat signals.
• Configure and maintain APNs, VPNs, and other connectivity channels .
• Optimise networking parameters for throughput, security, and latency.
• Deep familiarity with the router stack:
• OpenWRT
  firmware
• Bash and Lua
  scripts
• Chilli query
  for captive portal and access control
• Coordinate with our networking partner to ensure VPN connectivity with L2TP and TINC protocols
• Interface with SIM/APN/VPN partners, network providers, and firmware vendors.
• Collaborate with internal teams (Product, Ops, Customer Success) to surface and resolve fleet issues.
• Act as a technical escalation point for device and connectivity-related challenges.
• Set up alerting, uptime monitoring, and fleet health dashboards.
• Track key KPIs (router uptime, firmware coverage, connectivity success rate).
• Report on partner SLA performance and recommend improvements.

Requirements:

• Proven experience managing IoT devices or embedded Linux systems at scale.
• Strong Linux CLI fluency; certifications (e.g., LPIC-1, RHCSA) are a plus.
• Proficiency in bash/shell scripting and network diagnostics tools.
• Familiarity with:
• VPN configuration
• Mobile networking (APNs, SIM provisioning)
• Lua and uhttpd web stacks (Not required but a bones)
• Chilli Query or similar captive portal systems
• Excellent problem-solving and debugging skills.
• Proactive, detail-oriented, and operationally rigorous.
• Clear communicator able to translate technical issues to non-technical stakeholders.
• Comfortable managing third-party relationships and vendor SLAs.
• Router uptime consistently >98% across the fleet.
• VPN / APN failure rate <1%.
• Resolution of field issues within SLA targets

For more roles, please have a look at our website ). or follow us on LinkedIn ) and Instagram (@60d_sixtydegrees).

Join to apply for the Network Security Engineer role at Impronics Technologies

Join to apply for the Network Security Engineer role at Impronics Technologies

• Network Security Design & Implementation:
  
  

• Network Security Design & Implementation:
  
  

• Firewall & Intrusion Detection:
  
  

• Threat Monitoring & Incident Response:
  
  

• Security Audits & Risk Assessments:
  
  

• Security Tools & Automation:
  
  

• 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).

• Seniority level Mid-Senior level

• Employment type Full-time

• Job function Information Technology
• Industries Technology, Information and Media

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Kempton Park, Gauteng, South Africa 5 days ago

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Midrand, Gauteng, South Africa 2 weeks ago

Midrand, Gauteng, South Africa 2 weeks ago

Randburg, Gauteng, South Africa 4 days ago

Johannesburg, Gauteng, South Africa 5 days ago

Johannesburg, Gauteng, South Africa 1 month ago

Johannesburg, Gauteng, South Africa 1 month ago

Johannesburg, Gauteng, South Africa 1 week ago

Johannesburg, Gauteng, South Africa 2 days ago

Johannesburg, Gauteng, South Africa 6 days ago

Midrand, Gauteng, South Africa 1 month ago

Johannesburg, Gauteng, South Africa 3 days ago

Johannesburg, Gauteng, South Africa 1 month ago

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Join to apply for the Network Security Analyst role at Optimal Growth Technologies

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.
  
  
  

• 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.
  

• Seniority level Not Applicable

• Employment type Contract

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

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Johannesburg, Gauteng, South Africa 1 day ago

Johannesburg, Gauteng, South Africa 2 days ago

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• 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.
  

• Build, maintain, and enhance relationships with the dealer network to ensure alignment with the brands vision, values, and sales objectives.
• Identify and appoint new dealers in strategic locations to grow market presence.
• Oversee dealer onboarding, training, and integration into the brand network.
• Monitor dealer facilities, resources, and capabilities to meet operational standards.

• Set and communicate dealer sales targets and business objectives.
• Monitor dealer sales performance, market share, and profitability.
• Analyze market trends, competitor activities, and customer needs to support dealers in achieving targets.
• Implement dealer incentive and reward programs to drive performance.

• Work with dealers to plan and execute local marketing campaigns and events.
• Ensure dealers maintain brand identity in showrooms, advertising, and customer interactions.
• Coordinate product launches, demonstrations, and customer engagement activities with dealers.

• Collaborate with service and parts departments to ensure aftersales support meets customer expectations.
• Monitor warranty claims, parts availability, and service turnaround times across the dealer network.
• Support dealers in improving service quality and customer retention.

• Ensure dealers comply with legal, financial, and operational requirements.
• Conduct regular dealer audits on sales, service, and operational processes.
• Uphold ethical business practices across the network.

• Bachelors degree in business, Sales, Marketing, or related field (preferred).
• Minimum 57 years experience in dealer management, sales, or network development in the automotive or truck industry.
• Proven track record in achieving sales growth and managing dealer relationships.
• Strong understanding of truck product lines, fleet sales, and commercial vehicle markets.

• Excellent negotiation, relationship-building, and communication skills.
• Strong business acumen with analytical and problem-solving abilities.
• Ability to influence and motivate dealer teams to achieve high performance.
• Knowledge of dealer contracts, compliance standards, and operational best practices.
• Proficiency in MS Office and CRM systems.
• Willingness to travel extensively within the region.

The Huawei Brand Manager is a pivotal leadership role responsible for driving iOCO's strategic partnership with Huawei across South Africa's enterprise market. This position leads the total Huawei business portfolio across government and private sectors.

As iOCO continues its successful transformation, this role is critical to establishing our enterprise network business with Huawei as a key strategic vendor. The successful candidate will leverage Huawei's position to capture market opportunities and grow iOCO market share.

What you'll do:

• Strategic Brand Leadership
  • Develop and execute comprehensive Huawei brand strategy aligned with iOCO's transformation objectives
  • Position Huawei solutions, and iOCO offerings, competitively against established players in networking, storage, and compute markets
  • Drive thought leadership initiatives and market positioning activities
  • Manage strategic relationship with Huawei South Africa leadership team
• Business Development Revenue Growth
  • Own PL responsibility for total Huawei business portfolio
  • Develop and execute go-to-market strategies for enterprise segments
  • Lead major deal negotiations and strategic customer engagements
  • Drive new customer acquisition and existing account expansion
• Partner Ecosystem Management
  • Maintain and enhance iOCO's Huawei partner status within their structured framework
  • Coordinate with Huawei's "Partner + Huawei" collaborative model
  • Leverage partner benefits including sales rebates, marketing funds, and technical resources
  • Participate in all key Huawei events
• Marketing Communications
  • Develop integrated marketing campaigns targeting enterprise decision-makers
  • Create compelling value propositions for iOCO's Huawei networking, storage, and compute solutions
  • Manage marketing budget allocation and ROI optimisation
  • Coordinate with iOCO's broader marketing initiatives and brand positioning
• Team Leadership Collaboration
  • Provide strategic direction to Senior Solutions Architect, Senior Engineer roles and Sales
  • Foster cross-functional collaboration across iOCO business units
  • Mentor team members and drive professional development initiatives
  • Establish clear accountability frameworks and performance standards

Your Expertise:

• Minimum 8-10 years in Huawei vendor management or enterprise solutions marketing
• Proven track record in B2B technology sales/marketing with revenue accountability (R50M+ annually)
• Experience managing strategic Huawei partnership
• Demonstrated success in South African Huawei enterprise market (government and private sectors)

Qualifications:

• Bachelor's degree, MBA or equivalent business qualification preferred 

Other information applicable to the opportunity:

• Permanent position
• Location: Midrand

Why work for us?

If the daily grind makes you wonder if there's more to life than work, get ready to discover a professional journey that embraces excellence without compromise.

You've arrived at iOCO Infrastructure Services (iOCO IS), where we are all about delivering outstanding client experiences through sustainable, innovative IT infrastructure solutions that tackle business challenges head-on. Here you get to partner with clients, helping them conquer their business Goliaths while they focus on scaling their empires.

At our core, we're challengers, disruptors, and innovators. We're a community of skilled professionals with an ambitious spirit dedicated to providing for our clients while finding joy in the process. Our clients are at the heart of everything we do. Their satisfaction fuels our fire and propels us forward. We're talking about brainstorming sessions that sound like TED talks and spontaneous celebrations for achievements, big and small.

iOCO is an equal opportunity employer with an obligation to achieve its own unique EE objectives in the context of Employment Equity targets. Therefore, our employment strategy gives primary preference to previously disadvantaged individuals or groups.

Location:
Edenvale (Office-based)

Salary:
R R80 000 per month

Are you ready to take the lead in shaping the future of enterprise networking?

Our client is looking for a seasoned Networks Operations Manager to oversee a mission-critical, multi-vendor network infrastructure. In this senior-level role, you'll lead a high-performing team, drive network strategy, and take charge of complex security and infrastructure challenges across our enterprise stack.

You'll work with technologies including PaloAlto firewalls, Mellanox core switches, Arista routers, Cisco Meraki infrastructure, Saisei shaping, and VeloCloud SD-WAN, ensuring performance, availability, and security at every layer.

What You'll Do:

• Lead major network projects
  : From LAN/WAN deployments to segmentation and refresh cycles
• Manage critical incidents
  : Be the go-to escalation point for complex network and firewall issues
• Develop strategy
  : Create roadmaps for emerging technologies and network expansion
• Mentor your team
  : Drive performance, development, and collaboration
• Coordinate with vendors & stakeholders
  : Align infrastructure with business needs
• Ensure compliance
  : Follow company governance, security, and change management protocols

Requirements:

• 6+ years of experience in enterprise network/security leadership
• Certifications: CCNP Enterprise, PaloAlto PCNSA, PCNSE, CCIE, CISSP, AWS/Azure networking
• Deep expertise in Routing, switching, VLANs, BGP, firewalls, SD-WAN, and security protocols
• Experience with the following tools VeloCloud, Python, Ansible, SIEM, Arista, Mellanox
• Leadership acumen: Proven success leading teams and delivering on complex IT projects

Apply now

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If you have not had any response in two weeks, please consider the application unsuccessful.

For more information contact:

Samkelisiwe Makhanye

Recruitment Consultant

Purpose

The Lead Application Portfolio Manager is accountable for the strategic oversight, governance, and optimization of the organization's application landscape. This role ensures effective delivery, support, and continuous improvement of business-critical applications, while driving modernization, alignment with business strategy, and adoption of innovative technology practices. The position combines portfolio management, people leadership, and delivery execution, ensuring applications enable business growth, compliance, and digital transformation.

Education

• Bachelor's degree (3 years - 360 credits) bachelor's or master's degree in computer science, Engineering, Physics, Math, or related work experience

• IT Diploma or Degree

• COBIT and ITIL Managers Certification or equivalent
• Subject Matter Expert qualifications
• ITIL v4 Expert would be advantageous
• Minimum 5 years' experience in IT exposure
• Minimum 3 years' experience in leading or actively participating in large change projects
• Minimum of 3 years' experience in a leadership role
• Knowledge of databases, web services, APIs
• Fundamentals of Cloud Computing'
• Agile ways of work
• Fundamental understanding of DevOps discipline

Experience

• 3-5 years Technical, specialist or analytical skills acquired through tertiary education or the equivalent experience

• ITIL - Governance Framework

• Experience with Information System troubleshooting
• Budget setting and ongoing management
• High level working knowledge of computer networking, software installation and administration; IT Operational experience is advantageous
• Understanding of relational databases, software API's, technical documentation, software licensing
• Familiarity with Project Management principles

Key Performance Area

Holistic management of application.

• Financial management (application budget and costs)
• Vendor management (SLA ; renewals; upgrades)
• Audit compliance
• Risk mitigation/management
• Disaster Recovery
• Application monitoring (reporting; supported hardware and OS; troubleshooting)
• Management of applications on Group Technology Repository
• Oversee the end-to-end software development lifecycle (SDLC) across multiple product lines.
• Ensure on-time, on-budget delivery of application enhancements, new solutions, and regulatory changes.
• Manage application rationalization initiatives leveraging AI and automation where relevant.
• Collaborate with architecture and infrastructure teams to ensure scalability, performance, and security.

Operational Support

• Develop professional relations with all stakeholder teams, business, and vendors

• Technical support problem resolution related to networks, servers, desktops, database management software, operating systems, and business application software systems

• Co-ordinate system changes as per the change management process

• Manage and implement processes, protocols and procedures, ensuring compliance with zero audit findings

• Monitor the roll-out of new software applications or upgrades to existing applications

• Active involvement in recommendations on whether to upgrade the existing systems or install new ones

• Active involvement in ensuring proper change and governance processes is followed for all requested changes

• Ability to make decisions on backlog items and sprint planning in collaboration with product owner

• Ability to manage a support team and ensure its properly capacitated

• Ability to put together business reports relating to application performance

• Comply with Group IT Policies and Procedures. This can include standards for quality, data security and compliance (SAS 70)

• Ensure applications meet all regulatory, security, and compliance obligations (e.g., FSCA, POPIA, GDPR).

• Define and enforce application governance frameworks, lifecycle policies, and maintenance procedures.

• Drive maintenance weekend planning for large, multi-system environments with minimal downtime from an application perspective.

• Manage application risks, obsolescence, and vendor dependencies.

Business Management

• Knowledge sharing (includes Information Management)

• Ability to understand the business value the platform brings; and how to protect those assets

• Ability to translate business requirements to platform roadmap

• A thorough understanding of the business and an ability to assess business requirements

• Ability to analyse structure; flow of work and data

• Partner with business leaders, product managers, and operations to ensure application alignment to business needs.

• Act as a strategic advisor to executives on technology capabilities, innovation, and efficiency opportunities.

• Manage vendor and partner relationships, including contract negotiations and service delivery.

Disaster Recovery

• Ensure that the application has recovery capabilities (replication, active-active, backup-restore or whatever means). This is demonstrated with detailed Disaster Recovery plans (in the form of Service Recovery Instructions document) which include comprehensive failover steps, teams/skills involved, upstream/downstream dependencies etc.

• Identify critical components as part of a holistic plan and approach for the Disaster Recovery of the application and its associated sub systems.

• Actively work towards achieving better DR capability (move from backup-restore to replication, replication to high-availability)

• Ensure that software and operating system on production and DR servers are of same version.

• Ensure the technical information pertaining to the applications that your team is responsible for, is kept complete and updated on the Group Technology Repository. This includes architectural diagrams, SOPs, landscape diagrams, ownership information, application tier etc.

• Actively liaise with DR team to book applications for DR tests based on application tier. Ensure that test frequency based on the tier is adhered to.

• Ensure all production servers are backed up and receive reports daily.
• Ensure failed/missed backup issues are addressed the same day.

Competencies

• Time Management and ability to work in a High Availability platform and deliver under pressure
• Strategic & Conceptual thinking
• Ability to analyse and make decisions, with an attention to detail and problem solving
• Ability to communicate technical information to a non-technical audience
• Ability to manage senior stakeholders; to be assertive and challenge respectfully
• Ability to balance BAU and Project deliverables on application impact
• Superior Communication skills (written and verbal)
• Strong collaboration skills and a team player, with the ability to work independently