It Network Administrator (2Nd Line Support) (Sandton Onsite)
Posted on 2025-04-21
Employer | Datafin |
---|---|
Salary | 0 |
Category | It Computer |
Location | Gauteng / Johannesburg |
Job Summary
Johannesburg – Gauteng – South Africa
- Provide advanced 2nd Line IT support for software, hardware and network issues escalated from 1st Line Support.
- Diagnose and resolve complex IT problems, ensuring system reliability.
- Act as a key IT contact for internal teams, providing expert advice and solutions.
- Monitor network and IT infrastructure to proactively detect and resolve issues.
- Lead PC setup, software configurations and pre-deployment testing.
- Conduct network troubleshooting and optimisation to ensure secure, stable connectivity.
- Provide remote deployment support for software and hardware installations at customer sites.
- Manage and configure Active Directory, Group Policies, DNS, DHCP and VPNs.
- Optimise network performance and diagnose connectivity issues (e.g. slow speeds, packet loss).
- Maintain and troubleshoot LAN/WAN, VLANs, Firewalls, Routers and Switches.
- Manage firewalls (Cisco, Fortinet, MikroTik) and VPN configurations.
- Implement cybersecurity measures to protect network integrity and prevent threats.
- Utilise network monitoring tools (e.g. Zabbix, PRTG, SolarWinds) for real-time performance tracking.
- Assist in data protection, user access controls and IT security best practices.
- Develop and maintain detailed as-built documentation for network and system configurations.
- Document troubleshooting steps to improve the knowledge base and incident response efficiency.
- Continuously enhance IT operations by analysing past incidents and recommending improvements.
- Microsoft Certified: Azure Administrator Associate (MCSA, MCSE). Or (AWS Certified).
- Cisco Certified Network Associate (CCNA) or higher (CCNP). Or (Juniper Network Certifications).
- CompTIA Network+ (Networking Fundamentals).
- ITIL Foundation (IT Service Management & Incident Response).
- Zabbix Certified Specialist (For monitoring system administration). Or (Similar).
- 5 Years of experience in IT Support, Network Administration, or System Administration.
- Proven experience in troubleshooting escalated IT issues (2nd Line Support).
- Strong knowledge of network configurations, firewall management and security protocols.
- Hands-on experience with Active Directory (AD), Group Policies and Microsoft 365 Administration.
- Experience in troubleshooting Windows 10/11, Linux (Ubuntu/CentOS) and macOS systems.
- Experience in remote IT support tools (RDP, TeamViewer, AnyDesk, PowerShell).
- Proficient in configuring and managing routers, switches and firewalls.
- Hands-on experience in LAN/WAN troubleshooting, VLAN setup and VPN administration.
- Strong knowledge of Wi-Fi networks, subnetting and IP addressing.
- Experience in server administration (Windows Server, Linux).
- Basic scripting knowledge (PowerShell, Bash, or Python) for IT automation.
- Understanding of Cybersecurity principles (Access Control, MFA, Security Audits).
- Knowledge of SIEM tools (Splunk, ELK, Graylog) and endpoint security solutions.
- Proficient in firewall management and intrusion detection systems.
- Familiarity with patch management and OS updates (WSUS, SCCM, Intune).
- Experience with cloud environments (Azure, AWS, Google Cloud).
- Managing virtualisation (VMware, Hyper-V, Proxmox).
- Supporting remote users via VPNs, cloud applications and remote desktop tools.
- Problem-Solving & Troubleshooting Ability to diagnose and resolve complex IT issues quickly.
- Communication & Collaboration Can explain technical concepts to non-technical users.
- Initiative-Taking Attitude Proactively identifies, troubleshoots and resolves IT issues.
- Teamwork & Knowledge Sharing Works well in cross-functional teams and can mentor junior staff.
- Adaptability Keeps up with modern technologies, evolving IT needs and business changes.
- Documentation & Reporting Ability to write clear technical documentation and reports.
It Network Administrator (2Nd Line Support) (Sandton Onsite) position available in Gauteng, Johannesburg. This job position was posted by Datafin. The job has been posted as a premium ad on 2025-04-21 at 16:10:25 in the It Computer category
Click Go Apply to apply online!
You might also like these jobs in the same area.
Apply directly for this position. Please read all instructions carefully.
We do not process job applications; we simply aggregate and display job listings.
More related positions
Cape Town City Centre: Senior Networks Engineer (Sd Wan)
Primary Role Accountabilities Maintain customer MPLS and Cisco SDWAN networks. Find and present operational, technological and cost efficiencies on customer and internal networks. Undertake data network fault investigations and implement resolutions in loc
View Job
Senior Networks Engineer (Sd Wan)
Johannesburg: Senior Network Security (Fortinet) Engineer – (Sandton)
Hiring Now: Senior IT Network Security Engineer Are you a highly motivated security specialist with hands-on Fortinet experience looking for your next big challenge? Our client is building a dynamic, energetic team and needs YOU to help secure cutting-ed
View Job
Senior Network Security (Fortinet) Engineer – (Sandton)
Cape Town City Centre: Network Engineer
Layer 2 service provisioning for client services, backhauls, ENNIs etc. Troubleshooting and fault resolution Network capacity management and optimization Network change control procedures Technical project execution for network optimization Vendor engageme
View Job
Network Engineer
Johannesburg: Senior It Network Administrator
Qualifications: Matric CompTIA A and N MCSA OR CCNA CCNP or Juniper Network certifications ITIL Certified Zabbix Certified Requirements: 5 to 7 years` experience in IT support, network administration and systems troubleshooting Second line IT support Netwo
View Job
Senior It Network Administrator
Cape Town City Centre: Payment Network Relationship Manager
Responsibilities: Manage and grow relationships with retail and digital payment networks to increase transaction volumes. Develop and implement sales strategies in collaboration with payment networks. Support the onboarding of new payment networks, working
View Job
Payment Network Relationship Manager
Port Elizabeth: Senior Network Security Engineer
Our client is looking for an experienced Senior Network Engineer to join their team. Purpose of the Position: The primary responsibility of this role is to assist in the implementation, maintenance, and support of the Company’s network infrastructure. Addi
View Job
Senior Network Security Engineer
Cape Town City Centre: Technical Network Engineer ((Isp & Data Centre) Anywhere In Sa)
Were hiring a Technical Manager to shape our network, prevent downtime, and mentor a growing team. If you excel at near-perfect uptime, network design, and leading engineers, contact us. What Youll Do Optimize monitoring (Zabbix/ LibreQOS) and automate rou
View Job
Technical Network Engineer ((Isp & Data Centre) Anywhere In Sa)
Pretoria: It Operations (Mobile Network) – 3184
We are looking for an experienced IT Operations Engineer to join our team. As a senior member, you will be responsible for overseeing the smooth operation of mobile network services. Your duties will include monitoring network performance, identifying and
View Job
It Operations (Mobile Network) – 3184
Cape Town City Centre: Network Engineer
The successful candidate will be responsible for keeping networks alive and actually fast , monitoring performance like a hawk, and resolving outages before anyone starts yelling, "Why is the internet down?" Expect to work across cloud and on-prem environm
View Job
Network Engineer
Stellenbosch: Payment Network Relationship Manager (Ch1120) posted by Capital H Staffing and Advisory Solutions
Our client, a leading payment aggregator and provider of secure payment solutions, is looking for a Payment Network Relationship Manager to join their growing team. This role is responsible for managing and expanding relationships with payment networks to
View Job
Payment Network Relationship Manager (Ch1120)
Centurion: Network Technician posted by Pro-Match Recruitment
Job Title: Networking Technician/InstallerLocation: Rooihuiskraal, CenturionSalary: R8,000 R15,000 per monthJob Type: Full-TimeAbout the Company:A dynamic company based in Rooihuiskraal, Centurion, specializing in network installations and IT solutions.We
View Job
Network Technician
South Africa: Solutions Architect (Network + Security) posted by Employ Africa Group
Job OverviewThe Solutions Architect (Network + Security) is responsible for designing, implementing, and managing the network and security architecture of the organization. This role involves ensuring the robustness, scalability, and security of the IT inf
View Job
Solutions Architect (Network + Security)
South Africa: It Pre-Sales – It Solutions, Networking Solutions, It Security Solutions – Mozambique posted by Employ Africa Group
IT Pre-Sales Technician - Maputo, MozambiqueOur client specializes in providing cutting-edge Information Technology solutions to businesses and organizations, with a strong focus on Infrastructure, Communications, and Security technologies in hybrid Cloud
View Job
It Pre-Sales – It Solutions, Networking Solutions, It Security Solutions – Mozambique
Johannesburg: Senior Unix Systems And Network Administrator posted by IT Ridge Technologies
Responsibilities:Perform advanced Unix system administration tasks and develop custom scripts and programs to automate processes and enhance system functionality.Manage network configurations and Samba services for seamless file sharing between Unix and Wi
View Job
Senior Unix Systems And Network Administrator
Polokwane: Lecturer: Diploma In It Network Design And Administration posted by CTU Career Chatz
Lecturing: Planning and managing of weekly classesPreparation and delivery of learning content (In a contact and online learning environment)Interprets content and develops presentations for presenting lectures.Communicates, guides and monitors learners in
View Job
Lecturer
Bloemfontein: Lecturer: Diploma In It Network Design And Administration posted by CTU Career Chatz
Lecturing: Planning and managing of weekly classesPreparation and delivery of learning content (In a contact and online learning environment)Interprets content and develops presentations for presenting lectures.Communicates, guides and monitors learners in
View Job
Lecturer
Nelspruit: Network Engineer posted by Aleon Pty Ltd
Job Purpose:Perform hands-on installation and maintenance tasks on network components such as routers, switches and cables on core networks. Responsible to monitor and troubleshoot all systems and/or escalate to the relevant departments as required.Respons
View Job
Network Engineer
Midrand: It Operations Specialist/ Manager €“ Mobile Networks posted by Sabenza IT & Recruitment
IT Operations Specialist/ Manager Mobile NetworksEMEA & USA SupportQualification and Experience RequiredExperience: 5+ years in IT OperationsDegree: Information Systems (or equivalent experience)Certifications: ITIL Foundation & Project Management
View Job
It Operations Specialist/ Manager €“ Mobile Networks
Cape Town: Junior Network Architect (Cpt Onsite) posted by Datafin
Junior Network Architect (CPT Onsite)IT - Software Development ~ IT - InfrastructureCape Town - Western Cape - South AfricaENVIRONMENT: A dynamic IT solutions company seeks a strong technical & highly ambitious Junior Network Architect who will join its Im
View Job
Junior Network Architect (Cpt Onsite)
Johannesburg: It Network Administrator (2Nd Line Support) (Sandton Onsite) posted by Datafin
IT Network Administrator (2nd Line Support) (Sandton Onsite)IT - SupportJohannesburg - Gauteng - South AfricaENVIRONMENT: A highly technical IT Network Administrator is sought by a cutting-edge Digital Supply Chain Specialist to join its 24-hour 2nd Line S
View Job
It Network Administrator (2Nd Line Support) (Sandton Onsite)
Pretoria: Senior Network Engineer (Telecoms) posted by AtripleA recruitment & temps
Our client in the Telecoms Industry is looking to hire a Senior Network Engineer.Duties and Responsibilities• Manage change, constantly reviewing design and responding to optimization change.• Monitor and control client network to ensure its day-
View Job
Senior Network Engineer (Telecoms)
Johannesburg: Network Administrator (Telecoms) posted by AtripleA recruitment & temps
Our client in the Telecoms Industry is looking to hire a Network Administrator.Duties/ Knowledge• IT infrastructure support• Basic SQL database support (Backup and Restores)• Reporting to customers and staff on issues and resolutions• 2
View Job
Network Administrator (Telecoms)
South Africa: It Network Administrator (Telecommunications) posted by AtripleA recruitment & temps
Our client in the Telecommunications industry is looking for an IT Network Administrator for the vacant position in their InstituteDuties/ Knowledge:• Role: o IT Network support for servers and desktops and connectivityo Ordering of computer supplies
View Job
It Network Administrator (Telecommunications)
South Africa: Manager: It Network And Security (Insurance) posted by AtripleA recruitment & temps
Our client is looking for a candidate to ensure sustainable IT infrastructure for CompanyJob description:• Manage IT Network, Security and Telephony contribution to Organization`s objectiveso Assist in developing and aligning IT Network, Security and
View Job
Manager
Gauteng: Accountant posted by Global Network Recruitment
JOB PURPOSEResponsible for subsidiary company finance function, including monthly creditors and cashbook, intercompany billing, balance sheet reconciliation, VAT returns and annual audit. Cashbook processing. Processing and reconciling creditors’ acc
View Job
Accountant