HomeSearchNetwork Engineer Jobs › Networking Managed Services Engineer (L1)

Networking Managed Services Engineer (L1)

NTT DATA

Johannesburg, South Africa
More Network Engineer jobs: Network Engineer jobsNetwork Engineer salary

Make an impact with NTT DATA Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive. Your day at NTT DATA Key Responsibilities Monitor client network infrastructure, systems, and services to ensure availability and performance.

Identify, investigate, troubleshoot, and resolve Level 1 incidents and service requests within agreed SLAs. Escalate incidents, risks, and unresolved issues to appropriate support teams when required. Perform root cause analysis for incidents and contribute to incident prevention initiatives. Fulfil approved service requests and execute routine operational tasks according to documented procedures.

Provide telephonic, chat, and ticket-based support to customers and internal stakeholders. Execute approved maintenance activities, including software patching, configuration changes, and system updates. Follow established change management processes and procedures. Perform troubleshooting across WAN, LAN, wireless, SD-WAN, and inter-site connectivity environments. Support the implementation, configuration, and maintenance of network infrastructure and security controls.

Assist in maintaining network security standards, identifying vulnerabilities, and supporting remediation activities. Ensure network devices, systems, and services remain secure, operational, and compliant with organisational standards. Contribute to the maintenance of network documentation, diagrams, standards, procedures, and knowledge articles. Monitor network performance and utilise management and monitoring tools to proactively identify issues and improvement opportunities.

Identify opportunities for operational efficiency, automation, process optimisation, and incident reduction. Participate in shift handovers and maintain accurate operational records to ensure service continuity. Assist with disaster recovery activities, testing, and business continuity requirements where applicable. Contribute to project-related activities and network deployments as required. Perform other duties as reasonably required within the scope of the role.

Required Technical Knowledge & Skills Networking Fundamentals Solid understanding of: OSI Model and TCP/IP protocol suite. IP addressing, subnetting, routing concepts, and network segmentation. Layer 2 switching technologies, VLANs, access ports, trunking, and access control lists. Routing protocols including OSPF, EIGRP, and basic BGP concepts. Network Address Translation (NAT). SNMP and network management principles.

Traffic filtering using access lists and route maps. Enterprise network architecture concepts. Network Technologies Basic knowledge and experience configuring, monitoring, and troubleshooting: Cisco switching and routing platforms. Aruba and Meraki switching and wireless solutions. Fortinet, Palo Alto, Cisco, or similar firewall technologies. Enterprise wireless networking technologies. SD-WAN technologies (Fortinet, Cisco, Meraki, or similar).

ISP connectivity solutions, including DIA, MPLS, and point-to-point circuits. VPN technologies, including SSL VPN solutions. Security & Operations Understanding of network security principles, standards, and best practices. Ability to identify, assess, and escalate security risks and vulnerabilities. Experience securing network devices, switches, and wireless infrastructure. Understanding of network monitoring, alerting, and management tools.

Tools & Platforms Familiarity with: Service management and ticketing systems (ServiceNow, 4Me/Xurrent, or similar). Network monitoring platforms such as LogicMonitor, NetScout, Prometheus, Grafana, or equivalent. SecureCRT and related administration tools. Linux operating systems and basic shell scripting (advantageous). Ansible and Python for automation (advantageous)

Search all live jobs — free, no account →