tatenda mutasa

Highly exceptional and outstanding network, information security engineer with more than 4 years of experience in deploying, migrating and supporting critical multi-site redundant and converged networks. Strong analytical and problem- solving skills utilizing logical and systematic approach. Ability to work as team member. Capable of making decisions while under pressure and assuming responsibility.

Professional Experience Vodacom Midrand ZA October 2021 to Date Network Engineer/security Engineer • Continuous Service Improvement for client networks through agreed change management processes to improve service availability. • Managing, granting access to network devices based on the level of access required by new engineers, • Installation and support of authentication devices i.e. Cisco ACS and managing Tacacs+ • Implemented 802.1x port-based authentication to minimize the use of unauthorized devices connecting to the company network • Implementation of authentication-based routing to allow only authenticated device to be able to peer with authorized devices, • Device hardening and out of band network management using the Jump Box • Providing 2nd Level Support to the DHL Platinum customer and various core customer networks across the world. (DHL, AECI, Standard bank, ABSA) • Black and whitelisting of web traffic according to customer requirements • Provisioning /Migration of new and customer networks into the Vodacom MPLS backbone. • Managing network and Incident managing using Siebel. • Bandwidth optimization using various techniques such as classification shaping rate limiting, prioritizing mission critical traffic (QoS). • Configuring of IPSEC, GRE VPNs and various tunneling methods, troubleshooting and optimization. • Troubleshooting and resolution of common BGP, OSPF and various IP routing issues. • Liaising with customers and vendors at all levels. Wirespeed systems February 2021 to September 2021 Network Security Administrator • Managing all security infrastructure for clients • Designing and implementation of IPSEC/TLS VPN solutions • Implementing and troubleshooting of IPS • LAN infrastructure device hardening to minimize security vulnerabilities and better enforcement of access policies. • Perform regular health checks for all network security devices. • Provide operational backups, network security documentation and reporting. • Bandwidth optimization using various techniques e. g QOS to prioritize business critical applications and web filtering of non-business traffic • Network hardening to comply with industry’s best practices Econet Wireless Zimbabwe June 2018-December 2019 Network/Security Engineer • Troubleshooting common routing protocols e. g OSPF, EIGRP, MPLS, RIP. • Implementation of access control on network resources assigning the required permissions depending on job description. • Designing secure network systems for the banking sector across Zimbabwe. • Implementation of Solarwinds monitoring on all devices. • Daily maintenance and problem and problem resolution and operating system patching and software upgrades and routine hardware configuration. • AAA implementation, Radius and TACAAS+ centralized authentication. • Configuring IPsec VPNs and SSL/WEBVPN and VPN client. • Performing system audits in accordance to POTRAZ guidelines

EDUCATION AND PROFESSIONAL  

Diploma in Telecommunication Systems 2019 University of Zimbabwe Ordinary Level 2013 Wedza High School Cisco Certified Network Administrator 2019 Mecer Education Checkpoint Certified Security Administrator 2020 Mecer Education Palo Alto Certified Network Security Engineer 2021 Quarphix Current studies Checkpoint Firewalls CCSE CCNP Security