Auguste TEGUIA

Place of work is MNRF (Quebec ministry of Forests and Fauna)

• Administered security and access to the company's AWS accounts (+150 AWS accounts) by leveraging Identity and Access Management (IAM) , IAM Identity Center (former AWS SSO), for all users of the cloud.
• Automated security provisioning by implementing a pipeline based solution , enhancing consistency, efficiency and reducing manual errors when configuring access control
• Provided timely technical support for users encountering access and technical issues with the client's cloud infrastructure components.
• Maximized efficiency in deploying and managing significant aspects of client's cloud infrastructure by leveraging the Landing Zone accelerator on AWS. Tasks encompassed creating AWS accounts, deploying IAM policies , Cloudformation templates, Lambda Function implementation, and VPC configuration.
• Authored and maintained detailed runbooks, ensuring smooth operational processes and providing clear guidance for troubleshooting and maintenance tasks.
• Worked closely with cloud architects and devOps team to implement solutions in the client's Cloud Infrastructure
• Implemented monitoring dashboards with CloudWatch, to monitor critical network components like Direct Connect, Transit Gateway, Route 53, NatGateway

Place of work is BENEVA (Insurance and Financial services )

• Successfully handled the upgrade from Red hat Linux 7 to Red hat Linux 8, on the fleet servers of the client's Adobe Campaign Platform (8 servers)
• Developed Ansible playbooks to automate the deployment process of all the Red hat Linux servers of the Adobe Campaign Platform
• Implemented Samba share for secured file sharing between Linux and windows servers in the same Active directory Domain
• Configured and maintained NFS shares to optimize data accessibility, enhancing file system performance and reliability throughout the network.
• Participated in incident management processes based on ITIL best practices for the resolution of complex OS and application-level issues

Place of Work is MTQ (Quebec Ministry of Transports)

• Provided efficient Level 1 and 2 assistance for Linux Server Infrastructure, ensuring prompt problem resolution and sustained optimal system uptime.
• Created detailed runbooks and playbooks as part of comprehensive documentation to facilitate efficient establishment of new red hat 8 servers
• Implemented Ansible automation to streamline Application deployment, server configuration, and Active directory Join for new Red Hat 8 servers.
• Provided a day to day support to developers and database administrators by analyzing and resolving technical OS issues

Place of Work is MEI (Quebec Ministry of Economics and Innovation)

• Efficiently resized virtual machines for cloud migration, optimizing resource utilization and enabling seamless transitions to cloud environments.
• Enhanced efficiency of server deployment process by streamlining provisioning through Kickstart scripts and Ansible playbooks, resulting in reduced setup time and improved configuration consistency.
• Optimized ability to identify and resolve problems rapidly by implementing Nagios XI for server and application monitoring.
• Collaborated with Oracle DBAs to efficiently troubleshoot production issues impacting business applications, ensuring minimal downtime and optimal performance.
• Authored and updated technical documentation to facilitate information sharing and ensure consistent application of best practices across the team.
• Enhanced log aggregation by deploying a powerful 4-node Elasticsearch cluster, enabling improved log management and data analysis utilizing Kibana.

Place of Work: MTN Cameroon (2nd largest mobile phone operator in Cameroon)
Mission: Administer, support, and maintain the server infrastructure, while leading a major server refresh initiative.

• Successfully led the complete refresh of the server park by effectively replacing outdated servers with new, high-performance units. This resulted in notable improvements in system reliability and efficiency.
• Contributed significantly to the planning and procurement process of physical servers for new projects, overseeing proper sizing and compliance of ordered equipment to fulfill project requirements.
• Performed necessary firmware updates for new server installations at the park
• Prepared network firewall opening requests and coordinated the implementation of firewall rules to facilitate secure network integration, ensuring secure and compliant server operations.
• Deployed and integrated new Linux servers into the network to meet specific business demands. This contributed to the scalability of the infrastructure.
• Leveraged Bash Shell and ansible playbooks scripting to automate various administrative tasks, leading to a significant decrease in manual effort and an improvement in operational consistency.
• Provided level 1 and 2 support for businesses
• Identified areas for improvement in system performance and implemented solutions on production servers.
• Assisted with inventory management and racking in the data center, ensuring efficient operations.

Place of Work: Orange Cameroon (Largest largest mobile phone operator in Cameroon)

Responsible for deployment, integration, support, and maintenance of the company's IT infrastructure

• Managed capacity planning for Linux production servers, ensuring optimal resource allocation and scalability to meet future demands.
• Supervised and maintained the PLATINE mediation platform, a critical billing infrastructure running on IBM AIX server, on a day to day basis.
• Managed end-to-end setup of new Red Hat 7 servers, including OS installation, storage configuration, network integration, and thorough connectivity validation.
• Managed a large-scale VMware vSphere 6 virtualization platform, optimizing the usage of resources and ensuring high availability for approximately 500 virtual machines across two geographic regions.
• Implemented improvements to server performance through the utilization of VMware vRealize Operations, resulting in enhanced system efficiency and reduced latency.
• Diagnosed and resolved complex technical issues with the companies billing system (Solaris 9 servers) to minimize disruption in production environments while ensuring service continuity
• Collaborated with network teams to troubleshoot and solve connectivity issues, ensuring stable network communication and minimizing infrastructure downtime.

Place of Work: Orange Cameroon (Largest largest mobile phone operator in Cameroon)

Responsible for the administration and maintenance of value added service Platforms from different vendors such as COMVERSE and Ericsson.

• Managed and upheld the performance of both the SMS-C (COMVERSE) messaging center platform and MMS Center (Ericsson), delivering dependable messaging services to approximately 4 million subscribers.
• Established and managed SMPP connectivity with external partners, enhancing SMS delivery to subscribers and broadening service capabilities.
• Demonstrated exceptional problem-solving skills as the primary point of contact for technical issues in the Call Center, resulting in swift resolution of SMS service concerns and maintaining high levels of customer satisfaction across a subscriber base of 4 million.
• Implemented acceptance test scenarios, rigorously testing and validating changes prior to production deployment of new features, to minimize risks and guarantee successful platform updates.

Place of Work: Orange Cameroon (Largest largest mobile phone operator in Cameroon)

Responsible for providing technical and end user support for the organization.

• Managed nationwide Active Directory domain, delivering exceptional technical and end-user support to 500 users and computers.
• Effectively analyzed and resolved technical issues by providing Level 1 and 2 support, leading to a high resolution rate and enhanced user satisfaction.
• Successfully reduced the deployment time of windows clients from 2 hours to just 15 minutes, by developing and standardizing server images using Norton Ghost for streamlining purposes.
• Led a successful project to migrate all Windows 2000 clients to Windows XP, ensuring seamless transition without any data loss.