Warren Julius

• Designed and implemented complex network infrastructure to support organisational growth and scalability.
• Conducted comprehensive network assessments, identifying improvement opportunities and recommending strategic enhancements to senior management.
• Customised network monitoring solutions to deliver real-time performance alerts, enabling proactive maintenance.
• Optimised wireless network coverage through site surveys and configuration tuning to ensure optimal performance.
• Developed tailored network configurations to meet project requirements while maintaining compatibility with existing systems.
• Analysed network traffic patterns to forecast capacity needs and plan infrastructure upgrades.
• Collaborated with IT security teams to perform vulnerability assessments, mitigating risks before business impact.
• Led complex network migration projects, ensuring seamless transitions with minimal operational disruption.
• Facilitated complete office moves/migration projects from inception to completion

Senior Collaboration Engineer (specialising in Cisco IP Telephony) at Dimension Data, Western Cape, South Africa.

• Provide services to various clients across South Africa, as well as Dimension Data Namibia and Angola.
• Deliver end-to-end Network and IP Telephony (IPT) projects, including scoping, design, and implementation.
• Handle escalations from senior engineers, covering both incidents and service requests.
• Core expertise in Cisco Networking and Cisco IP Telephony / Unified Communications.
• Currently pursuing the CCIE Voice/Collaboration certification (written exam to be renewed prior to Lab exam attempt).
• Engage with customers to gather requirements and accurately scope, design, and implement tailored solutions.
• Work across Cisco networking and IP Telephony solutions, including both on-premises and cloud-based platforms (UCaaS, HCS).
• Deliver solutions ranging from small environments (~300 users) to large-scale deployments (15,000+ users).

• Regional Network Engineer for Dimension Data Namibia
• Based in Windhoek servicing our Namibian and other African country customers (Luanda, Botswana, Zimbabwe, South Africa etc

Led technical delivery and operational support for multi-site enterprise Cisco network infrastructure across onshore and offshore environments.

Provided Level 3 support for the BP Angola LAN/WAN and voice infrastructure, based in Angola.

• Supported the BP Cisco network environment across onshore and offshore operations as part of the Network Operations team.
• Maintained a highly resilient Cisco network, including Call Manager clusters enabling voice communication between onshore branches and offshore vessels via wired and wireless VoIP solutions.
• Liaised with VSAT, telecom, and broadband service providers, as well as the BP Global Network Operations Centre (BPGNOC), to ensure network stability and performance.
• Contributed to the design, build, and implementation of a new voice and data network for the BP Torres Atlantic (TA) building in Luanda.
• Provided support for the Chevron Angola IP telephony network as required.
• Served as Technical Team Lead for the AFM Torres Atlântico building, overseeing voice and data network deployment.
• Appointed as Acting Operations Manager for Angola operations until June 2011.

• Support and manage the LANS/WANS throughout the FQM group
• Sites included Perth Australia Head Office, Mauritania office and Mining site, various office and mining sites within Zambia, various office and mining sites within Congo and the Vancouver office
• Responsibilities included but were not limited to the following, Design and support, Installation and Maintenance and optimization of the current network infrastructure, Management of the Network cabling team and cabling infrastructure
• Manage and support the Mitel VOIP system throughout the FQM Group
• Manage and support the Cisco Callmanager Express (VOIP) in Mauritania
• Manage and support the Redline Broadband Wireless links throughout the FQM Group

Improved network reliability and performance through proactive monitoring and optimisation of multi-site connectivity, including satellite and wireless links.

• Supported and managed LAN and WAN infrastructure across the FQM Group.
• Led and managed both new and existing network projects.
• Enhanced network design and security to improve overall performance and resilience.
• Monitored primary and secondary network links, including satellite (SAT) uplinks, broadband wireless inter-site links, and E1 connections.
• Supported Mitel VoIP systems and Cisco CallManager Express (CME/CCME) across the organisation.
• Produced and maintained comprehensive network documentation, including diagrams and current vs. future-state architecture.

Played a key role in delivering and supporting enterprise-scale Cisco network infrastructure across national environments.

• As part of a network project team, configured and implemented Telecom Namibia’s Cisco LAN and WAN infrastructure.
• Provided ongoing maintenance, support, upgrades, and administration in line with contractual service agreements.
• Supported and maintained security and management platforms including:IDS (Intrusion Detection System)
  VMS (Cisco VPN Management Solution)
  ACS (Access Control Server)
  NAM (Network Analysis Module)
  LMS (LAN Management System)
  
• Supported Cisco firewall and network infrastructure, including PIX Firewalls, Catalyst 2950 switches, Catalyst 6513 routing switches, and 7204 VXR routers.
• Performed system and network upgrades, including IDS signature updates, NAM patches, and service pack installations.
• Executed firewall upgrades, including migration from version 6 to version 7.

Led full-scale infrastructure upgrades and migrations, improving system performance, reliability, and scalability across enterprise environments.

• Corrected grammar (“to day operations” → “day-to-day operations”)
• Standardised product names (Windows 2000 AD → Windows 2000 Active Directory)
• Improved technical clarity and flow
• Structured responsibilities into clear, professional bullet points
• Removed repetition and informal phrasing

• Company Overview: Infinitum is a Network Provider/ ISP a subsidiary of Telecom Namibia
• IP Technician in Telecom Namibia's Infinitum section, responsible for configuring and implementing network solutions for customers using Cisco routers
• Also responsible for the uptime of the Infinitum network
• Network Administrator, responsible for the administration, configuration and uptime of the Telecom Namibia and Nampost Networks throughout Namibia
• This comprised of more the 150 Sites ranging from as little as 5 users to 500 users per site
• Infinitum is a Network Provider/ ISP a subsidiary of Telecom Namibia

Managed a team of technicians, improving operational efficiency and support delivery across the department.

• System administrator in Business Systems, Network and Workstations Department (NWD) department of Telecom Namibia
• Responsibilities- maintenance/uptime of the NT Servers which included Exchange, Proxy server (Firewall), SMS Server and File Servers, Print Servers
• Managed the Computer Technicians and workshop
• Also responsible for research and implementation of new software and technology

Provided onsite support for Namibia Breweries across network, server, and desktop environments, ensuring high availability and minimal downtime

• Provided onsite support for Namibia Breweries, covering network, server, and desktop environments.
• Performed PC hardware and software troubleshooting and issue resolution.
• Supported remote users using Microsoft Systems Management Server (SMS).

Company Overview
ISU Campus – Authorised Testing and Training Centre (ATEC/CTEC)

• Supported the IT training centre’s hardware and software environments.
• Set up and configured technical and end-user training classrooms.
• Delivered support for courses including:Microsoft Windows for Workgroups
  Microsoft Windows 95
  Microsoft NT 4.0 administration and core enterprise technologies
  Inter-networking with TCP/IP
  Microsoft Exchange 5.0
  
• Maintained server and desktop hardware and software infrastructure.
• Managed course bookings and scheduling for training sessions.
• Provided customer service and end-user support to trainees and clients.