Adetomiwa Opafola
Brownsburg
Summary
Results-driven Cloud Solutions Architect specializing in designing and implementing scalable serverless applications using AWS. Expertise in CI/CD pipelines, cloud network architecture, and AWS workload backup and recovery. Committed to applying AWS best practices to deliver effective solutions in dynamic IT environments.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Linux System Integrator
INDIANA STATE UNIVERSITY
Terre Haute
09.2025 - Current
- Working as part of Linux group to build Linux environments such as new server builds (redhat 7), server configurations using customized kickstart scripts and server commissioning for both internal and external clients.
- Knowledge of containerization with docker and kubernetes and cloud migration.
- Resolved service tickets by troubleshooting user management, disk usage resizing with LVM, DNS entries, and server outages, ensuring timely support for internal and external clients.
- Optimized existing scripts, enhancing performance and efficiency across Linux environments.
- Managing Vcenter VMWare environment for up-to-date health check of all objects hosted on Vcenter using DRS, Vmotion and OVA vrom application.
- Using Splunk Enterprise application to process machine data to create Intelligence reports and valuable knowledge.
- Using Splunk UBA for detection of malicious insiders and identifying advanced cyber attackers.
- Applying machine and statistical analytics to generate intelligent reports and create a baseline of normal behavior specific to each user in the environment and use that to identify deviation from the baseline and decide as to what can be categorized as a malicious act and to identify false/true alert in the environment.
- Applying patches to VCSA to keep vCenter up to date and performing maintenance/pacthing of ESXi hosts.
- Knowledge of creating/managing DELL EMC SAN storage and datastores and upgrading SAN OS
- Working with Red Hat Satellite server to monitor hosts registered on Satellite 6.5 server.
- Install and configure Open Monitoring Distribution with check-mk and Nagios GUI for systems monitoring.
- I also work with external vendors such as NSI, Cisco, RedHat and Trace3 in the management of Enterprise applications in the environment.
- Managing nfs cluster nodes- master node and the compute nodes to guide against lapping in grace period and lease period.
- Managing Internet protocol Database (IPDB) to free up and change status of unused IP to available
- Migrated servers from RedHat 6 to RedHat 7 to improve system performance and security.
- Configured and managed Ceph software-defined Storage, optimizing storage performance and reliability.
- Backup and file restoration on CommVault
- Working with networking team and Security team in setting up Cisco Hyperflex Environment.
- Integrated Lambda with AWS services including CloudWatch Events/EventBridge, S3, IAM, and SNS to support event-driven workflows, alerting, and automated remediation actions.
- Implemented security best practices for Lambda, including least-privilege IAM roles, environment variable encryption using AWS KMS, and centralized logging and monitoring via CloudWatch Logs.
- Managing the DNS entries, update and its environment.
- Web hosting and site creation and moving websites from old server to new server during server decommissioning.
- Worked with Devops Engineer in software development and upgrade for such enterprise products as ESM (Ellucian Solution Manager) using CI/CD, testing of several software before going into production.
- Worked with Devops Engineer on root install and configuration of middleware such as RabittMQ, Tomcat, Catalina, JBoss, Apache and several other middleware software in Banner 8, 9, Ellucian Product.
- Designed and maintained AWS Lambda functions to automate operational tasks such as health checks, log processing, and infrastructure orchestration, reducing manual intervention and improving system reliability.
- Successfully executed multiple banner upgrades including banner self-service, ensuring smooth transitions with minimal downtime.
- Orchestrated deployment processes, collaborating with cross-functional teams to meet project deadlines.
- Expertly handled Jobsub restarts, minimizing disruptions and optimizing system performance.
- Experience supporting middleware servers running Apache, Tomcat and Java applications.
- Installed and maintained server hardware and software systems, administering performance monitoring to ensure high availability and reliability.
- Installs, Upgrades, Patches, Configuration, performance tuning on UNIX and System software & hardware.
- Handled business critical issues affecting the end users/customer within SLA and has been proactive in resolving critical issues multiple times.
- Installation, set up and maintain CentOS servers.
- Server Administration of Linux/Windows OS area like SAN, NAS, and Switches.
- Data storage, monitoring and security using DELL EMC platform.
- Worked closely with Networking Team, QA team and Developers.
- Administered File Shares, Access Permissions, Disk Management, Schedule Jobs etc.
- Applied Operating System updates, patches and Configuration changes.
- Deployed and configured ansible CMT to kickstart multiple servers and to respectively automate/orchestrate applications on those servers with Ansible.
Linux System Engineer
National Government Services (NGS)
11.2024 - 09.2025
- -Administered Red Hat Enterprise Linux (RHEL 7/8) systems, including user and group management, SELinux enforcement, firewalld, network configuration, systemd services, and cron job scheduling in a federally regulated environment.
- Executed server deployments by installing operating systems and performing ongoing maintenance.
- -Reviewing securities scan reports for critical and other CVE and attending management meetings to ensure each CVE are duly assigned and remediated in a timely manner – Nessus/Tenable
- -Participating in a monthly patch cycle for systems in the infrastructure and for the enterprise applications and libraries.
- - Using AWX to manage monthly patches exercise of the Red Hat Linux OS.
- - I have written scripts that will follow the process of stopping the apps/processes running on Linux Infrastructures, Patch, reboot and then start the applications/process after patching.
- - The script also sends out validation emails to system admins with the latest installed kernel version on the Linux machines.
- - The script also handled the patching sequence of the Linux machines in case they are in cluster and the start/stop of the applications running e.g the ldap and ldap exchange apps.
- - Converted manual patch processes to AWX, simplifying the startup and shutdown of applications such as Jacada.
- - I have also been engaged in managing the AWX platform in terms of upgrading and patching when new releases are available.
- -Executed ansible projects to automate repetitive tasks, improving operational efficiency across systems.
- Oversaw management and maintenance of file permissions and ownership for multiple systems.
- Administered system logging and monitoring tools, including PagerDuty, to enhance operational oversight.
- Monitored and managed processes essential for system performance, leveraging PagerDuty for alerts.
- Executed creation, modification, and deletion of user accounts and groups across systems.
- -Create simple shell/python scripts or use tools such as ansible to automate repetitive tasks.
- -Supported security assessments and remediation efforts by addressing findings from automated scans and audits.
- Via Anchor Point Technology Resources
System Services and Support Engineer
FIDELITY INVESTMENTS
05.2022 - 01.2025
- -Infrastructure support and services of several Business Units and product Lines.
- - Management of EKS Cluster environment using Jenkins, urban Code Deploy tools.
- -Certificate Management and renewal using Venafi tools, Avi LTM Devices, etc.
- Executed RR-route requests to optimize load balancing in clusters.
- -Access and secrets management using SMaaS (Secret management as a service)
- -Change management coordination and Install/Deployment control and services.
- - Building pipeline, applications, environments, components, and processes using Urban Code deploy.
- - Designed and developed web and cloud-based applications using AWS services.
- - Implemented and maintained AWS infrastructure, including EC2 instances, VPC, S3, EBS, IAM, and RDS databases.
- - Performing AWS Cluster re-hydration using Jenkins build process to bring in the latest AMI and to reset cluster capacity.
- -Utilized Git/GitHub for version control, implementing branching strategies and conducting peer code reviews to enhance code quality and collaboration.
- - Utilized AWS Lambda and API Gateway to architect and deploy serverless web applications.
- - Migrated on-premises data to AWS using AWS Data Migration Services.
- - Established efficient CI/CD pipelines using Jenkins and CodePipeline for seamless code deployment.
- - Performing Cluster settings based on demand for productivity, resilience, and optimization.
- - Authored Bash Shell, Python, and PowerShell scripts for automating various AWS tasks.
- - Work with internal teams to create the migration of applications on legacy system/tools to AWS cloud platforms.
- - Manage the AWS infrastructure and strategic vendor relationships including developing business units/product lines.
- - Management of AWS account and IAM roles.
- - Monitored system health, availability, and performance using Amazon CloudWatch, logs, and alerts to proactively identify and resolve infrastructure issues.
- -Designed, provisioned, and maintained AWS infrastructure using Terraform, AWS CloudFormation, and Ansible, enabling repeatable and auditable deployments.
- -Troubleshot complex networking and application issues using AWS-native monitoring and logging tools.
- -Developed and supported AWS Lambda functions for automation, event-driven processing, and operational tasks, integrated with CloudWatch, IAM, and AWS services.
- - Observability and monitoring using Datadog monitoring system.
- - Used Jira ticketing tool for external clients and customers
- - used ServiceNow as ticketing tools for both internal and external clients.
- - management and support of Linux and window servers and infrastructure.
- - Supporting cloud EKS, RKS and Ranchers Kubernetes applications.
- - Knowledge of AWS SECURITY TOKEN, SSO integration with third party services
- - Knowledge in AWS Control Tower to set up and govern a secure, multi-account AWS environment with landing Zones and enforcing guardrails
- -Implemented and managed Amazon Route 53 hosted zones, DNS records, and health checks to support high availability and fault tolerance.
- -Supported hybrid connectivity using Site-to-Site VPN and Transit Gateway, integrating on-premises infrastructure with AWS.
- -Designed, configured, and supported AWS VPC architectures with public and private subnets, route tables, security groups, and network ACLs, ensuring compliance with NIST 800-53 requirements.
- - Implemented well-architected solutions for AWS Elastic Container Services, Elastic Container Registry, EC2 instances, and Application Load Balancers.
- - Experience in S3, Encryption, Key rotation, Docker, Kubernetes, AWS Code Commit
- - Managed and optimized AWS resources such as S3, EBS, EFS, SES, and SQS.
- - Designed and established Cloud Network architecture, including VPN tunnels and VPC peering for multiple AWS accounts.
- - Experience in deploying Tagging, Configuration knowledge in Cloud Trail, AWS Xray, etc.
- - Knowledge of Automation using Terraform and cloud formation template
- - Experience in java Script, J2EE, Oracle PL/SQL, MYSQL, Unix, Perl and Python.
- - I used Ansible automation platform for several automation processes and deployments process.
- - Automation scripts are written and incorporated in AWX platform to perform such operations as deployment of virtual machines (both Linux and windows OS)
- - AWX is integrated with other apps such as the ticketing apps e.g SNOW to perform self-healing operations such as when there are disk space alerts, CPU usage alerts and memory leakage from java applications from monitoring tools like Datadog, Splunk or ELK.
- - This is achieved by having AWX run the pipeline scripts for the deployment process.
- - The scripts are sometimes in other languages such as python, PowerShell or bash and are also written in native built-in ansible languages.
- - I have written python scripts to handle certificate renewals and run the script in AWX.
- - This greatly helped reduce workload of multiple certificate management in a large environment like Fidelity.
- - Used AAP to automate provisioning and lifecycle management and rehydration of Amazon EKS clusters, including node groups, IAM role mappings, and cluster add-ons.
- - Developed Ansible playbooks and roles to support Kubernetes application deployments using AAP.
- - Integrated AAP workflows with AWS services such as EC2, VPC, IAM, S3, CloudWatch, and ECR, enabling secure and repeatable cloud automation.
- - Built automation pipelines in Ansible Automation Platform for containerized workloads, including image promotion, Helm-based deployments, and Kubernetes namespace/RBAC management.
- Supported applications and built infrastructure for tomcat/java applications on-premises and in the cloud.
- - Experience in deploying applications writing/using python script to make API calls
- - Using python scripts to automate certificate renewal for AWS ingress host, set up AVI and renew certificate in Venafi.
- - Collaborated with squads across BU to implement and deliver technical solutions using python script.
- - Integrated Splunk within AWS applications to collect and analyze data using HTTP forwarder
- - Troubleshoot and debug production systems and codes in python.
- - Using ELK as opensource Telemetry tool to monitor both on-premises and Cloud base applications.
- - Creating customize dashboard for specific monitoring in ELK
- - Working on automation of routine tasks in the environment using ansible CLI playbook and AAP (Ansible Automation Platform)
- - Write bash shell, python and PowerShell scripts for automating various tasks.
- - Participating in 24/7 on-call support.
- - Working across several other teams such as windows, networking, storage, monitoring, deployment to ensure tasks are completed smoothly in the environment.
- - Maintaining systems and users accounts on the Unix like system.
- - Engaged in troubleshooting of several kinds on OS and applications on Unix servers.
Linux System Integrator
INDIANA STATE UNIVERSITY
Terre Haute
06.2019 - 05.2022
- Collaborated with the Linux group to build Linux environments, including new server builds (Red Hat 7), server configurations using customized kickstart scripts, and server commissioning for internal and external clients.
- Knowledge of containerization with docker and kubernetes and cloud migration.
- Attending to service tickets by troubleshooting several issues as they arise e.g user creation/deletion, resizing disk usage with LVM, dns entries, server failure and outages etc..
- Tweaked existing scripts to optimize performance and enhance efficiency.
- Managing Vcenter VMWare environment for up-to-date health check of all objects hosted on Vcenter using DRS, Vmotion and OVA vrom application.
- Using Splunk Enterprise application to process machine data to create Intelligence report and valuable knowledge.
- Using Splunk UBA for detection of malicious insider and identify advanced cyber attacker.
- Applying machine and statistical analytics to generate intelligent report and create a baseline of normal behavior specific to each user in the environment and use that to identify deviation from the baseline and decide as to what can be categorized as a malicious act and to identify false/true alert in the environment.
- Applying patches to VCSA to keep vCenter up to date and performing maintenance/pacthing of ESXi hosts.
- Knowledge of creating/managing DELL EMC SAN storage and datastores and upgrading SAN OS
- Working with Red Hat Satellite server to monitor hosts registered on Satellite 6.5 server.
- Published and promoted new version contents to each Lifecycle environment and applied errata patches (RHSA, RHBA, RHEA & Packages Updates).
- Install and configure Open Monitoring Distribution with check-mk and Nagios GUI for systems monitoring.
- I also work with external vendors such as NSI, Cisco, RedHat and Trace3 in the management of Enterprise applications in the environment.
- Managing nfs cluster nodes- master node and the compute nodes to guide against lapping in grace period and lease period.
- Executed server migration from RedHat 6 to RedHat 7, ensuring seamless compatibility and stability throughout the transition.
- Configured and managed Ceph software-defined Storage, optimizing storage performance and reliability.
- Working with networking team and Security team in setting up Cisco Hyperflex Environment.
- Integrated Lambda with AWS services including CloudWatch Events/EventBridge, S3, IAM, and SNS to support event-driven workflows, alerting, and automated remediation actions.
- Implemented security best practices for Lambda, including least-privilege IAM roles, environment variable encryption using AWS KMS, and centralized logging and monitoring via CloudWatch Logs.
- Managing the DNS entries, update and its environment.
- Managed web hosting and site creation, successfully transferring websites from old server to new server during decommissioning.
- Worked with Devops Engineer in software development and upgrade for such enterprise products as ESM (Ellucian Solution Manager) using CI/CD, testing of several software before going into production.
- Worked with Devops Engineer on root install and configuration of middleware such as RabittMQ, Tomcat, Catalina, JBoss, Apache and several other middleware software in Banner 8, 9, Ellucian Product.
Education
Bachelor of Science -
Polymer and Textile Technology
Skills
- Attention to detail
- Procedure adherence
- Task coordination
- Safety compliance
- Meticulous approach
- Quick learner
- Challenge acceptance
- Goal orientation
- Motivation for learning
- Independent work
- Integrity
- Self-assessment skills
Certification
- CompTIA Linux+, COMP001021394179
- LPIC 1, LPI000411160
- CC010EN: Introduction to Cloud Computing
- Splunk Fundamentals 1
- Splunk Infrastructure Overview
- Splunk User Behavior Analytics
- AWS Certified Solutions Architect-Associate
References
Available upon request
Timeline
Linux System Integrator
INDIANA STATE UNIVERSITY
09.2025 - Current
Linux System Engineer
National Government Services (NGS)
11.2024 - 09.2025
System Services and Support Engineer
FIDELITY INVESTMENTS
05.2022 - 01.2025
Linux System Integrator
INDIANA STATE UNIVERSITY
06.2019 - 05.2022
Bachelor of Science -
Polymer and Textile Technology