Iheanacho Samuel Chukwu Email & Phone Number

United Kingdom

United Kingdom

Established strong standards and processes around DevOps. automation and deployment for all projects I was assigned as technical lead on.Demonstrated leadership qualities as the primary contact and technical leader with the clients I worked with, leading the technical direction and conversation of each project I was assigned to.Provided guidance to interns which helped them improve technical abilities and secure full-time roles within the organization.Implementation of infrastructure adhering to “Infrastructure as Code” standards using GitLab and Azure DevOps deployment pipelines, Terraform, ARM, Cloudformation, biceps and Azure Kubernetes Deployment through Argos CD.Enhanced security of all pipelines by integrating DevSecOps practices and tools into pipelines for every project I worked on.Conducted discovery sessions to analyse the existing state of client environments and create reports to suggest solutions to issues found.Enhance client’s application performance by successful migration of a monolithic to Micro-Service architecture running on a large scale kubernetes cluster.Design and build advanced cloud-native infrastructure.Collaborate with cross-functional teams to define, design, and ship new features.Constantly improve the stability, scalability, cost-effectiveness, and operational excellence of our clients' systems.Continuously discover, evaluate, and implement new technologies to maximize development efficiency.Infrastructure planning, testing, and development.

United States

Create and maintain fully automated CI/CD pipelines for code deployment.Migrated onpremises workload to the public cloud.Create and modify scripts or applications to perform a task.Deploy containers to Kubernetes nodes/ Setup Kubernetes cluster and manage Kubernetes objects.Using GitOps principles and deploying ArgoCD to bootstrap a Kubernetes cluster.Built and deployed Docker containers to break up monolithic app into microservices.Actively manage, improve, and monitor cloud infrastructure on including backups, patches, and scaling.Deploy, configure, and manage servers using Ansible, Packer and Terraform.Installed and configured Prometheus to constantly monitor network bandwidth, memory usage, and hard drive status.Managed GitHub repositories and permissions, including branching and tagging.Automate Network Configuration changes leveraging on Terraform and Azure ARM Templates.CICD pipeline migration from Jenkins to Azure DevOps.Upgrading an out-of-date EKS Cluster to the most recent version.Redis instance upgrade as part of database vulnerability checks.Kubernetes Cluster security scanning to investigate vulnerabilities and apply fixes in accordance with CIS Benchmarks standards.Security scanning of all infrastructure in AWS and ensuring that appropriate recommendations are applied.

Providing leadership and guidance for maintaining quality support offered by the team members.Act as the local escalation point of contact for Team members.Identified training needs for team members and coordinated training of team members.Managed Docker container clusters using Kubernetes Linux.Monitor system performance parameters using iostat, vmstat, and fine-tuning.Managing Processes killing, termination, hangup and foreground, background processes.Monitoring server performance and troubleshooting server related problems.Creating and maintaining user accounts, profiles, and security rights.Resolved system errors and crashes, disk space problems, huge file sizes, and file system full errors.Performed OS upgrades and Patch loading as and when required.Scheduled various regular, periodic, future and queue tasks by using crontab.Configuration and Troubleshooting of File Sharing Servers like NFS (Network File Server), FTP (File Transfer Protocol), SFTP (Secured File Transfer Protocol), SCP (Secure Copy Protocol).Configured LDAP Server and LDAP Client on Linux machines for authorization and authentication.Installation and maintenance of security modules like Tcp wrappers, SeLinux, firewalld and Iptables.Configuring and managing Logical Volume Manager.Conducted advanced troubleshooting to resolve interconnectivity issues, failed instance deployments, virtual machines and storage accounts.Recommended solutions for implementing high availability of services at low operational costs on Cloud platforms.

Act as the first point of contact with customer to resolve technical issues, via telephone and email.Collaborated with team members, technical leads and escalation managers when additional support is needed.Implemented high availability with Azure Classic and Azure Resource Manager deployment models.Troubleshoot cloud services issues of failed instance deployments, restarts, network connectivity, storage and compute.Performed hardware and software installations, upgrades, and maintenance, patch administration, kernel modification/upgrades, file system management, performance and security analysis, and network configuration/tuning.Backing up and restoring files across the network.Analyzed, Strategized & Implemented Azure migration of servers to cloud.Maintained the monitoring and alerting of production and corporate servers using cloud monitoring tools.Managed roles, users and groups using IAM.Automated processes using PowerShell and Bash scripting languages.

Primarily supporting the existing infrastructure and deployments. System administration, database support, system vulnerability remediation, GitLab deployment pipelines and monitoring through New Relic.Participate in the design and implementation of the new converged infrastructure to host applications in an Azure-based infrastructure leveraging Azure Services.Aiding development teams in building and implementing deployment pipelines to ensure teams can correctly and efficiently deploy software, applications, and APIs into the Azure Converged Infrastructure.Systems administration, maintenance, and monitoring various day-to-day operations.Provided customer support, in resolving network, and system issues.Tracked network and system related issues using tools Nmap, ping, nslookup etc.Prepared Windows/Linux security standard preparation document and system check procedures to keep the systems secured & updated.Installing software applications and patches with Rpm,Yum and Pkgadd.Installation, configuration, and maintenance of web servers, application servers, and database servers.Installed and configured Linux and Windows operating systems on VMware server.Managed Bandwidth and monitored the quality of network service.Maintained and resolve all issues related to inventory database application.Administered data backups.

System configuration, imaging, Applying operating system updates and deployment.Azure services administration: Azure Virtual Machine, Azure Virtual network, Azure Storage, Azure SQL Database, Azure Load balancer, Azure AD, Azure monitor etc.Monitoring Azure services hosting mission critical applications.Created and employing disaster recovery solutions and assisting with continuous improvement activities.Managed the IAM role and policies for users within the environment for access to the cloud infrastructure.Efficiently collaborated within and across agile teams to maximize productivity.Supporting software development and data management projects that prepare large datasets for delivery to a shared computing environment.Worked with VMware, KVM and Hyper-V, also using virtualization as a means to troubleshoot and fix issues.Configure, support and perform routine maintenance of hardware and software for Linux servers.Troubleshooting system and network problems.Provided plans for future network enhancements.

Nigeria

Monitoring of air navigational aids systems for safety of flight operations.Recommended full-up wireless solution to accommodate over 200 users on a local network.Monitored network capacity and performance to diagnose and resolve complex network problems.Installed and maintained data and voice circuits through routers, switches, and WAN devices.Working on cloud solutions on Microsoft Azure platform using mainly Azure Storage Account.Implementing solution that enhances data protection.Expansion of existing LANs.Installation of intercom PABX telephony.Troubleshooting network issues.

Set up local area network LAN and hardware components.Recommended network solutions offering more stability and reliability and easier maintenance.Analyzed customer needs and requirements.Backup & Restoration by using tar, cpio and dump.Develop solutions to customer problems using the best technologies available.Creating and fully configuring windows's virtual machines using VMWare and Hyper-V.Worked on racking and stacking On-Prem and Cloud servers for infrastructure project at Datacentre.Anti-Virus Enterprise level management.Implementing, Managing and Monitoring Network Devices.Administering Windows Server networks, domains, roles and services.Troubleshooting and maintenance Active directory, DNS and DHCP.Install and configure computer hardware, operation systems and applications.

Certificate, Energy Transition

Bachelor Of Engineering (B.Eng.), Electrical And Electronics Engineering, Second Class Upper