Sochima Ezekwesili
Lagos
Summary
Infrastructure and Solutions Engineer with years of experience in System Engineering, Administration and Architecture. Recognized consistently for excellence and success. Strengths in Virtualization, Enterprise Data Storage, Cloud Computing and Networking.
Overview
6
6
years of professional experience
Work History
Infrastructure Architect
Falcon Automation
10.2023 - Current
- Planned, designed and delivered diverse IT solutions.
- Developed long-term strategies for different business segments.
- Wrote detailed architectural design plans, security requirements, and specifications.
- Worked with business analysts and different subject matter experts to gather and define requirements, identify constraints, and plan scopes.
- Designed and implemented system security and data assurance.
- Defined enterprise processes and best practices and tailored enterprise processes for applications.
- Participated in system development life cycle from requirements analysis through system implementation.
- Wrote and maintained custom scripts to increase system efficiency and performance time.
- Demonstrated creativity and resourcefulness through the development of innovative solutions.
- Participated in team projects, demonstrating an ability to work collaboratively and effectively.
- Assisted with day-to-day operations, working efficiently and productively with all team members.
- Strengthened communication skills through regular interactions with others.
- Cultivated interpersonal skills by building positive relationships with others.
- Design complete end-to-end infrastructure to meet client’s requirements onHybrid Storage and Backup related solutions.
- Proposal presentation and cost modelling.
- Presales support to Channel Partners for Storage, Virtualization and Backup solutions.
- Lead Proof of Concepts trials and technology demonstrations for clients and partners.
- Provide consultancy to Enterprise Level customers.
- Provide work guidance or technical assistance to less senior engineers.
- Training of team members on the relevant solutions to improve technical skills and in turn improve project delivery abilities.
Lead Infrastructure Architect
Huawei Technologies
04.2018 - 09.2023
- Team Lead and Senior Engineer with the responsibility of designing and managing the deployment, operations, and maintenance of Virtual Desktop environments, Hyper-Converged environments and Cloud environments supporting countless Virtual Machines accessed by users all around the world.
- Work with cutting-edge, All Flash SAN products (NetApp All Flash, Huawei Oceanstor Dorado and DELL Unity XT), to provide industry-standard, performance and scalability for Virtualization and Cloud solutions.
- Performing multiple Data Protection duties pertaining to Huawei All Flash Technology (Continuous Data Protection, Asynchronous and Synchronous Hyper-Replication, and LUN Replication).
- Professional services team member implementing open stack solutions and also migrating services from other Cloud and Virtualization providers like AWS, GCP, Azure, Oracle-VM, Hyper-V, Citrix, and Vmware.
- Performed migration from On-Premise Infrastructure to Cloud Infrastructure.
- Designed secured, cost-optimized and highly available, and resilient infrastructure on AWS, Azure, and Huawei OpenStack. Served as Subject Matter Expert for Huawei Storage and Virtualization. Solutions and Lead Engineer taking Solution ownership.
- Designed and implemented Backup and Disaster recovery solutions for numerous clients to achieve business continuity using both Netbackup and Commvault Simpana Backup Solutions.
- Worked closely with team members to design and develop technically compliant, cloud-native Enterprise Architectures to meet business outcomes.
- Leveraging SNS and SQS to build models with Synchronous and Asynchronous patterns to decouple, integrate, and scale services. Configured EC2 Auto Scaling with Elastic Load Balancing in cross-AZ and multi-AZ for High Availability.
- Optimized networking for global applications using S3 Transfer Acceleration, Global Accelerator, and CloudFront.
- Utilized AWS Config and CloudTrail as part of the governance framework to enable compliance, auditing, and troubleshooting. Optimized cost through a mixture of Reserved, Spot and On-demand Instances.
- Ensure data protection and assurance by encryption with AWS KMS. Support Amazon Web Services environment pertaining to Storage Infrastructure (EBS, EFS, and S3).
- Enabled versioning and configured S3 life cycle policies to backup and archive files in Glacier. Scheduled regular Backups by leveraging EC2 Lifecycle, Manager to create Snapshots of EBS volumes and define retention period as a cost-saving measure.
- Troubleshoot virtual machines through the command line environment.
- Collaborate with software engineers to improve software onboarding and delivery to production.
- Configure Disk Management, Logical Volume Management, and Logical Partitioning.
- Liaise across teams to improve site uptime and reduce service incidents and outages.
- Plan and facilitate system and platform upgrades. Worked on shell scripts for automation of daily tasks and create CRON jobs. Support production during non-standard work hours to reduce downtime.
- Manage extensively different Unix distributions on different cloud providers.
- Perform system security administration which includes monitoring host access reviewing logs and also closing ports. Installation and management of patch and kernel upgrades.
- Enhancing system performance by performing Tuning. Created, configured, and diagnosed user and group permissions to facilitate system security.
- Worked with the security team to configure group policies, password policies, UID, and GUID. Implementation of Linux Server Hardening using Iptables and ACLs on Red Hat systems. Spearheading and taking over new projects and workloads and ensuring the success of the projects. Installation, configuration, administration, and tuning of web servers (nginx, apache).
- Utilizing YUM, RPM, and DNF to build, maintain, and install packages. Design complete end-to-end infrastructure to meet client’s requirements on Storage and Backup related solutions.
- Configure Physical Volume, Volume Groups, and Logical Volumes using Logical Volume Manager.
- Work with database administrator to configure, tune, and maintain different databases. Proposal presentation and cost modeling, Presales support to Channel Partners for Storage, Virtualization and Backup solutions.
- Lead Proof of Concepts trials and technology demonstrations for clients and partners. Provide consultancy to Enterprise Level customers.
- Provide work guidance or technical assistance to less senior engineers.
- Training of team members on the relevant solutions to improve technical skills and in turn improve project delivery abilities.
Infrastructure Engineer
Huawei Technologies
01.2018 - 03.2020
- System management and administration.
- Oversaw the deployment of Huawei FusionAccess VDI for the biggest indigenous oil and gas Production Company in Nigeria, which also included managing virtual desktops for users across the world.
- Managed different types of virtual desktops including Linked-Clone, Instant-Clone and Full-Copy.
- Monitor multiple environments containing customers VM's and manage building, testing, deployment and end user access.
- Helped customers determine the best endpoints for their VDI environment (PC, Thin Clients, Soft Clients).
- Creating and managing both VMware and Fusionsphere Clusters and enabling Higher Availability and Distributed Resource Scheduler features in the clusters.
- Performed Physical-to-Virtual Migration and Virtual-to-Virtual Migration of windows 2012, 2016 and 2019.
- Administration of Windows server Active Directory, DHCP, DNS Servers.
- Oversaw the deployment of Huawei Oceanstor Hybrid Storage for numerous clients.
- Operation and maintenance of Huawei Oceanstor Storage solution.
- Provided end to end support to customers and partners in designing, planning and implementation of Storage Infrastructure. Support the Enterprise Storage environment compatibility, testing and monitoring.
- Making sure the highest levels of System and Infrastructure availability is maintained across all Storage environments.
- Resolved issues of the highest level of severity and drove towards quicker resolutions and also investigated the root cause of all issues.
- Block Storage configuration which involves provisioning of LUNS,
- Mapping of LUNS, Initiator and Target configuration for different ranges of clients with different operating systems (Windows, Linux, Solaris, VMware, Fusionsphere, Oracle VM).
- Mapping of LUNS to Multiple Hosts and Making LUNS available for Applications to store data.
- Brocade Switch Configuration and Zoning. File storage configuration (CIFS, NFS, HTTPS, FTP)
- Homogenous and Heterogeneous LUN Migration.
- LUN Data protection using Snapshot and Clone Technologies
- Installation and configuration of different Linux distributions (RedHat/Centos/Ubuntu/Oracle Linux)
- Utilizing pipes to manage outputs, monitoring user activities, granting users Sudo Access.
- Writing basic Shell Scrips.
- Advanced network configuration (teaming, bonding, static routes) on both windows and Linux systems.
- Performing system updates and installation of required Repos in Linux Systems.
- Monitor system performance using essential commands like top, sar, ps, vmstat, netstat, iostat, free, cpuinfo.
- Provide planning, coordination and hands on maintenance for Commvault Backup environment.
- Creation of different Backup sets and configuration of Backup Scheduling policies.
- Backup client configuration for multiple hosts running on multiple operating systems (Windows, Linux, Solaris).
- Integration of different applications and environments to the Backup System (SQL, File servers, Microsoft Exchange, Microsoft AD, Web Servers)
- Performed Recovery of backed up data and clients.
- Performed Remote Replication between multiple Storage environments
Education
Master of Science - Computer Science
Ambrose Alli University
Ekpoma, Nigeria.10.2017
Bachelor of Science - Computer Science
Houdegbe North American University
Cotonou, Benin Republic.07.2015
Skills
- IT infrastructure proficiency
- Infrastructure costs monitoring
- IT infrastructure planning
- Virtualization (KVM, Vmware, Fusionsphere, OracleVM)
- Bash Shell scripting Mariadb
- Linux System Administration
- Data Storage Implementation (Huawei Oceanstor Series, IBM DS Series, Oracle ZFS Series)
- Backup Solutions (Veeam, Commvault, NetBackup, AnyBackup)
- Cloud Administration (AWS, Azure, GCP, Huawei Cloud, Huawei Cloud Stack, Openstack)
- Solution design and architecture
- Hyper-Converged Infrastructure (Fusioncube, VSAN, Netapp HCI)
Timeline
Infrastructure Architect
Falcon Automation
10.2023 - Current
Lead Infrastructure Architect
Huawei Technologies
04.2018 - 09.2023
Infrastructure Engineer
Huawei Technologies
01.2018 - 03.2020
Master of Science - Computer Science
Ambrose Alli University
Bachelor of Science - Computer Science
Houdegbe North American University
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