Wandji Walters
Dallas,TX
Summary
Highly skilled DevOps Engineer with 7 years of IT experience, 5 years specializing in Azure DevOps. Proven track record of designing and implementing CI/CD processes, automation scripts, and security policies. Proven track record in reducing deployment time by 60%, improving pipeline reliability by 25%, and reducing security incidents by 50%. Collaborative team player with exceptional technical leadership and problem-solving skills. Proficient in Administrating Azure IaaS/PaaS services like compute Azure Virtual Machines, Web and Worker roles, VNET, Network services, Azure DevOps, SQL Databases, Storages, Azure Active Directory, Monitoring, Autoscaling, PowerShell Automation, Azure Search, DNS, VPN. Experience in migrating on-premises applications to Azure and configured VNETs and subnets as per the project requirement and performed PowerShell scripting to do Patching, Imaging, and Deployments in Azure. Bilingual DevOps Engineer with background designing, testing, and implementing infrastructure and applications. Talented performer with over 5 years of experience using source control tools to identify and fix bugs in code. Consistent team player with exemplary multitasking skills.
Overview
7
7
years of professional experience
Work History
Azure DevOps Engineer
Valaxy Consultancy
04.2023 - Current
- Active member of DevOps agile team for designing and developing robust cloud solutions to meet client requirements for functionality, scalability, high availability, and disaster recovery leveraging Scrum framework and Azure Boards/Confluence. Contributing towards maintaining clients' application uptime of %99.9. Collaborating closely with Dev, QA, and operations teams and other stakeholders, using effective communication and active listening skills.
- Managed Azure DevOps source control repositories, reducing merge conflicts by 50% and improving code quality by 30%.
- Developed and maintained Azure DevOps test automation, resulting in a 40% reduction in testing time and a 25% increase in test coverage.
- Implemented and maintained Azure DevOps monitoring and alerting, reducing downtime by 30% and improving system availability by 20%.
- Designed and automated AZURE Infrastructure as a Service (IaaS) and Platform as a Service (PaaS), SaaS capabilities which includes virtual machine, container services, virtual network and cloud services.
- Used Azure DevOps services such as Azure Repos, Azure Boards, and Azure Test Plans to plan work and collaborate on code development, built and deployed application.Developed, maintained and provided the team with Various Azure DevOps-related tools like deployment tools, staged virtual environments, and provisioning scripts. Used Shared Image Gallery to store the created images and built Azure pipelines in Azure DevOps to implement all these services in Azure.
- Structured cluster AutoScaler for Azure Kubernetes Service (AKS) by using Terraform and worked with scheduling, deploying, and managing pods and replicas in AKS.
Terraform was used along with Packer to create custom machine images, and Ansible was used to install the software dependencies once the infrastructure was provisioned.
Developed and maintained Continuous Integration (CI) using tools in Azure DevOps (VSTS) spanning multiple environments, enabling teams to safely deploy code in Azure Kubernetes Services (AKS) using YAML scripts. - Managing the Azure Kubernetes Services( AKS) policies, providing access to different Azure resources and developing and improving the workflows that govern access.
- Experience with version control tools such as GIT and Bitbucket. Comprehensive knowledge of source controller concepts including branches, tags, and merges.
- Developed build and deploy scripts using MAVEN and activated them using Jenkins to migrate from one environment to another.
- Worked with Azure Monitoring tools such as Azure Log Analytics, Azure Network Watcher, and Azure Service Health to diagnose and minimize service degradation.
- Experience in using the monitoring tools like Azure monitoring, Dynatrace to setup the desired alerts to avoid disruption.
- Deployed Azure IaaS virtual machines (VMs) and Cloud services (PaaS role instances) into secure VNets and subnets using PowerShell.
Azure DevOps Engineer
AT&T, Dallas, TX
02.2019 - 04.2023
- Led the comprehensive implementation and management of end-to-end DevOps pipelines for AT&T's critical mobile applications on Azure cloud. Employed Dynatrace for advanced application performance monitoring and optimization, achieving an impressive 40% reduction in deployment time and a 25% increase in overall system reliability.
- Collaborated closely with development teams to design and establish streamlined CI/CD workflows. The integration of Azure DevOps and Dynatrace played a pivotal role in enabling rapid and consistent delivery of mobile app updates, resulting in heightened user experiences and improved feature release cycles.
- Successfully orchestrated the migration of legacy monolithic applications to a microservices architecture hosted on Azure Kubernetes Service (AKS). Through the utilization of Dynatrace, ensured optimal performance monitoring of containerized workloads, contributing to enhanced application resilience, scalability, and resource efficiency.
- Orchestrated and executed meticulous disaster recovery exercises within the Azure environment, resulting in a substantial 50% reduction in recovery time for critical systems. These preparedness initiatives guaranteed seamless service availability and an uninterrupted user experience during potential disruptions.
- Innovated and executed automation of manual processes using Bash scripting and Azure Logic Apps. Achieved an impressive 30% enhancement in operational efficiency, simultaneously mitigating human errors and expediting routine workflows.
Systems Administrator
Chase Bank
02.2017 - 01.2019
- Responsible for installation, configuration and administration of Sun Solaris 9 and Red Hat Enterprise Linux.
- Setting up, configuring and troubleshooting TCP/IP, DHCP, DNS, CIFS, NTP and Samba servers on different multi-platforms (Windows, Linux)
- Installed and configured Disk and file system management using Logical Volume Manager (LVM) for Linux systems
- Local and remote administering of servers, routers and networks using Telnet and SSH login using SSH keygen tools for password-less setup and agent forwarding on Linux
- Responsible for setting up Cronjobs scripts on production server
- Configured LDAP on RedHat for authorization and authentication by configuring LDAP server which is used for authentication using its database
- Managing services, maintaining and managing log files, monitoring events, logs and troubleshooting system problems using Nagios tool and resolve for any reported issues
Education
Bachelor of Science - Computer Science
University of Buea
Buea12.2014
Skills
Cloud Platforms
Azure, AWS
Infrastructure Provisioning Tools
Terraform, Azure Resource Manager, Cloud Formation
Configuration Management Tools
Ansible, Chef, Puppet
CI /CD Tools
Jenkins, Bamboo, Azure Pipelines, Gitlab Pipelines
Build Tools
Maven, ANT, Gradle
Containerization Tools
Docker, Kubernetes, Mesos, OpenShift
Source Code Management
GIT, GitHub, Gitlab, Bitbucket, Azure Repos
Logging & Monitoring Tools
Nagios, Splunk, ELK, Data Dog, Dynatrace, Prometheus, Grafana, New Relic
Azure Service Health, Azure Network Monitor
Scripting & Programming Languages
Python, PowerShell, Bash/Shell, JavaScript
Databases
Data Lake, Data Bricks, Cosmos DB Oracle 10g/11g/12c, DB2, MySQL, MongoDB, DynamoDB, Cassandra
Application/Web Servers
Apache Tomcat, NGINX, IIS, JBoss41, WebSphere, Web Logic, Gerrit
Operating Systems
UNIX, Linux, Windows, Solaris
Bug Tracking Tools
JIRA, Bugzilla, Remedy, HP Quality Center, IBM Clear Quest, Mingle, VersionOne
Timeline
Azure DevOps Engineer
Valaxy Consultancy
04.2023 - Current
Azure DevOps Engineer
AT&T, Dallas, TX
02.2019 - 04.2023
Systems Administrator
Chase Bank
02.2017 - 01.2019
Bachelor of Science - Computer Science
University of Buea
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