Senior SD-WAN Network Architect

2 months ago


Sandton, South Africa Dimension Data Full time
About the Role

We are seeking a highly skilled Senior SD-WAN Network Engineer to join our team at Dimension Data.

The successful candidate will be responsible for validating the service integrity of deployed and supported networks, including report integrity for customer interaction.

Key Responsibilities
  • Participate in the evaluation and definition of design standards, including detailed technical design documents and maintaining network diagrams.
  • Coordinate and engage external vendors for solution evaluation and customization.
  • Provide expertise and guidance to junior team members.
  • Assist with the development of tools for continuous delivery and deployment automation.
  • Serve as a network subject matter expert, providing technical expertise, design skills, and expert operational support.
  • Effectively create and utilize lab setups to duplicate and solve problems, validate planned changes to software and hardware design.
  • Assist with the implementation of upgrades and enhancements to WAN services, including communications, preparation of documentation and training.
  • Create, review, and/or vet technical functional specifications and low-level network solutions design documentation, ensuring they are complete, correct, and kept current.
  • Occasionally provide engineering-level support for Operations, including maintenance windows/off-hour support.
  • Effectively work with cross-functional teams or vendors to resolve major customer issues.
  • Participate in root cause analysis on incidents, helping to drive identification of preventative actions meant to ensure problems don't recur, and delivering on the tasks within those actions.
  • Continually review, test, debug, and enhance existing/new capabilities and features.
  • Provide rotational after-hours escalation services.
  • Determine the events logged in the tools that require action and the associated actions.
  • Analyse network performance metrics and identify service-affecting root causes to customer chronic and systemic issues.
  • Collaborate with cross-organizational teams to promote efficient business processes.
  • Analyse problems and design & implement effective solutions.
  • Apply a data-driven approach to collect and analyse customer data.
  • Consult technical documentation, bulletins, and release notes for known problems.
  • Perform technical training to junior operations/engineering team members.
  • Interface with customers to help educate them on the use and functionality of their service.
  • Collaborate with customer, Internal Engineering, and Vendor during in-depth troubleshooting.
  • Perform deep dives and root cause analysis into incidents and systemic problems.
  • Coordinate and implement patches in the production environment to resolve systemic or client-specific problems.
  • Collaborate with project stakeholders to identify tool and technical requirements to support Operations.
  • Conduct analysis to determine integration needs.
  • Continually review, test, debug, and enhance existing/new capabilities and features.
  • Recommend corrective actions based on analysis.
  • Conduct regular network performance tests.
  • Monitor system resource utilisation, trends, and capacity planning.
  • Review and analysis of log files and performance metrics.
  • Work within established configuration and change management policies to ensure awareness, approval, and success of changes made to network infrastructure.
  • Report compilation.


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