Senior Network Engineer Level 3

Location: Client’s campus - Pretoria

Duration: 12 months contract - possibility of extension

Purpose:

• Provide expert-level technical support by diagnosing and resolving complex escalated issues that Level 1 and 2 supports cannot solve.
• Work with Level 1 and 2 support to understand escalated problems and, when necessary, escalate issues to Level 4 support or product development teams.
• Provide technical guidance, training, and mentorship to junior support engineers.
• Full responsibility to support resources with verification by the L3 during the bi-monthly site visit.
• Enterprise and Public Sector experience is key

Supported Infrastructure

• Cisco Unified Communication Manager (CUCM)
• Cisco Unified Contact Centre Express (UCCX)
• Cube Gateways
• Attendance Console
• Phones and Headsets
• LAN Switches (Core, Service, Access, and Optics)
• WAN Routers
• Access Points
• ISE
• DNA Centre
• Telephony Management System (TMS)

Pre-requisite skills:

• Strong understanding of routing protocol operation, including both interior and exterior routing protocol operation
• Implementation of Enterprise LAN networks
• Basic understanding of Enterprise routing and wireless connectivity
• Basic understanding of Python scripting"
• Working knowledge of fundamental terms of computer networking, including LANs, WANs, switching, and routing
• Basics of digital interfaces, Public Switched Telephone Networks (PSTNs), and Voice over IP (VoIP)
• Fundamental knowledge of converged voice and data networks and Cisco Unified Communications Manager deployment
• Knowledge of Software-Defined Networking (SDN) concepts as applied to large scale live network deployments
• Strong understanding of enterprise WAN design
• Familiarity with Microsoft Windows operating systems
• Familiarity with Transport Layer Security (TLS) and IP Security (IPsec)
• Familiarity with the Cisco IOS® Software Command-Line Interface (CLI) for wired and wireless devices
• Familiarity with Cisco AnyConnect® Secure Mobility Client
• Familiarity with Microsoft Windows operating systems