Shane Lazarus Arendse

Plan and implement LAN/WAN architectures (routing, switching, VLANs),Configure and manage network devices (routers, switches, load balancers)
Monitor network performance (PRTG), latency, and uptime,Troubleshoot outages, packet loss, or bottlenecks, Manage IP addressing, DNS, DHCP,Deploy and manage firewalls(Fortigate), VPNs, and intrusion detection/prevention systems (IDS/IPS)
Implement access control on Windows AD (identity-based policies),Monitor logs and respond to security incidents,Patch vulnerabilities and harden systems (Windows Servers/Personal computers), Manage Voip systems (3CX), Unify Management, SDWAN system designed, built and manage.
Configure and manage firewall policies (allow/deny rules, NAT, port forwarding),Set up and maintain VPNs (IPSec site-to-site, SSL remote access),Implement security profiles:Antivirus,Web filteringApplication control,Intrusion Prevention (IPS),Segment networks (VLANs, zones) to limit lateral movement, Office 365 Management, Mobile device management, APN management

Managed time efficiently in order to complete all tasks within deadlines.

Worked flexible hours across night, weekend, and holiday shifts.

Adaptable and proficient in learning new concepts quickly and efficiently.

Defining access privileges (IAM), control structures and resources. Identifying abnormalities; reporting violations. Implement security improvements by assessing current situation through RnD; evaluating trends; anticipating requirements. Determine security violations and inefficiencies by conducting periodic audits on policies. Upgrade systems (hardware/software) by implementing and maintaining security controls. Keep users informed by preparing performance reports; communicating system status. Maintain quality service by following organization standards. Policy management, log management, Web filtering, AV, IPS, VPN(SSL/IPSEC).

Last mile management (CPE-to-Edge-to-Service Provider), SLA Network management and performance, Client Management (Internal & External) using FCAPS principles. Layer 2 & 3 Monitoring last mile for clients, Network Security (Fortigate Firewall), includes: Administration manager, Policy implementation, windows AD integrations, routing(Static&Dynamic), Policing traffic, packet capturing, License management, device hardening, Network services protection, Generate usage reports on users and device, security threats traffic, VPN (SSL & VPN), Application control, VOIP (Quantum, Far South), setting up Basic VOIP PBX, Creating, extensions, Pin sets, Ring groups, contact solutions, reporting usage, CPE Specialty (Cisco, Juniper, Fortigate, Mikrotik, Billion, Zyxel, Bluecoat Proxy server, etc.), DNS, Creating A records and management of existing records, E-mail, creating mailboxes, setting up mailboxes, troubleshooting mail loss, Fault escalation (Telkom, Frog Foot, IS, Datacentrix, BCX, SCAN RF, Mobile Torque), Layer 1 to 7 Network troubleshooting, Ticket Management (Trax CRM), Provisioning of RFO, Identifying areas of improvement and implementation of workable solutions

Management of networking services (E-mail, Fax, VOIP), Live Core network monitoring, Client Fault Management (Internal & External), Layer 2 Monitoring for clients, Fault escalation (Telkom, Frog Foot, IS, Datacentrix, BCX, SCAN RF, Mobile Torque), Ticket Management (Trax CRM), Various network testing throughout the day, Provisioning of RFO

Performance Indicator management of 16 subordinates with retention as core KPI and cross-sell (Mobile & Fixed services), Identifying areas of improvement and implementation of workable solutions, Staff Training and Development, Quality Assurance, Marketing, Customer Profile, development, Project Management, Product development, Executive Performance Report Manufacturing and presentation (Excel & P-Point), Payroll administration (KLOG & SAP), GCEO Dispute resolution (Customer Centre)

Providing End User Support (internet & e-mail), DSL + Wireless setups and support, Customer Retention & Sales (CMSS/ CRM/OMS), Dispute resolution and account management, Assisting with staff training