Red Hat United States

Samuel Adekunbi

832-***-****/ *********@*******.***

Professional Summary:

Red Hat, Docker & Kubernetes Certified Administrator with 20+ years of experience managing enterprise UNIX environments, with expertise across various industries including finance, technology, healthcare, academia, oil, and gas.

Technical Skills:

Operating Systems: RHEL (5, 6, 7), Solaris (8, 9, 10), AIX (4.x, 5.x. 6.x), HP-UX (10.20, 11.x)

Languages: Bash, KSH, SH, Perl, Python, C.

Software:VMware ESX, LDOM, Zone, KVM, LPAR, VxVM, ZFS, SVM, LVM, VCS, CRS, PowerHA, GPFS, RHCS, Pacemaker, MySQL, Apache, Tomcat, Glassfish, ACL, SeLinux, Etrust, Keon, NFS, AutoFS, Ansible, Puppet, NetBackup, Networker, Tivoli, Citrix, GitLab-CI, GitHub, SVN, Satellite, Wazuh, Datadog, Prometheus, Grafana, Zabbix, Docker, Swarm, Kubernetes, Kasten, MetalLB, Vagrant, Terraform, Jenkins, Lens, Rancher, MKE, MSR, AWS, Agile.

Education:

BA (Hons) Business Studies and Law.

Certifications:

Microsoft Certified System Engineer (MCSE)

Certified Novell Administrator (CNA)

Red Hat Certified Systems Administrator (RHCSA)

Docker Certified Associate (DCA)

Certified Kubernetes Administrator (CKA)

Professional Experience:

Rochester Institute of Technology Aug 2024 - Present (Contract)

Platform Engineer

Rochester, New York, United States · Remote

Design and deploy Kubernetes clusters, ensuring their reliability, scalability, and security.

Manage containerization and orchestration lifecycle, including deployment, scaling, and networking.

Maintain Kubernetes clusters for HA containerization.

Implement and maintain CI/CD pipelines using Flux CD and Gitlab-CI for Kubernetes deployments.

Administer Linux-based systems and servers, optimizing for performance and reliability.

Utilize Docker for containerization in a virtualized Data Center

Manage Rancher for Kubernetes management to streamline cluster administration.

Collaborate with development teams to containerize and deploy applications efficiently.

Provide technical guidance and support to team members and stakeholders.

Provision and maintain a virtualized server environment with hundreds of hosts.

Monitoring Kubernetes nodes and workloads with Prometheus and Grafana

Manage Kubernetes Kasten backup, restore and disaster recovery.

Bank of America Jun 2022 – June 2024

DevOps Engineer

Atlanta, Georgia, United States · Remote

Managed cloud compute resources: EC2, Beanstalk, Lambda, ECS, ECR, and EKS

Supported application services: SNS, SES, SQS

Managed storage: S3, Glacier, EFS, EBS

Security management: IAM, KMS, Guard Duty, Detective, Inspector

Supported Cloudfront, VPC, Cloudtrail, Cloudwatch, and Cloudshell

Automated admin tasks using Systems Manager and Secrets Manager

Version control with GitLab; CI/CD pipeline using GitLab CI

Infrastructure as Code with Terraform

Incident management using TechOps Service Desk, Confluence, Kanban

Security analysis with Microsoft Defender, Rapid7, Accenture MDR

Installed and managed scanning tools like Aqua’s Trivy and SonarQube

Bayada May 2023 – Feb 2024

Technical Engineer

Philadelphia, Pennsylvania, United States · Remote

Supported CentOS, Ubuntu, and Debian Linux

Managed AWS EKS Cluster Deployment and Rancher for Kubernetes

Managed Ansible Tower and Puppet for deployment automation

Terraform-based infrastructure deployment.

GitLab CI/CD pipeline and Git repository management

Provided Elastic monitoring and Jira support.

WordPress Setup, Patching, Migration and Decommissioning

Confluence Documentations

Monitoring Kubernetes nodes and workloads with Zabbix

Mirantis Inc Jun 2020 – May 2023

Technical Engineer

Austin, Texas, United States · Remote

Provided support for Docker enterprise technologies and Kubernetes with Lens

Troubleshooting container networking, Kubernetes CNI plugin issues

Worked with Red Hat, CentOS, and Ubuntu environments.

Engaged engineering team for issue resolution and improvements.

Managed Terraform IAC for lab testing on AWS and OpenStack

Manage container networking and Kubernetes CNI plugin issues that affect pod communications.

Engage with the engineering team to resolve technical issues.

Set up replication test on AWS cloud platforms to reproduce customer issues in a lab environment.

Deploy and manage Prometheus and Grafana monitoring tools using Helm charts.

MetalLB load balancer deployment designed for bare metal Kubernetes.

ExxonMobil Feb 2019 – May 2020

DevOps Engineer

Houston, Texas Area · On-site

Supported GitLab repository, managed Linux, HPUX, AIX environments.

Deployed automation using Ansible Tower and Puppet

Managed RHEL satellite server for updates

Integrated Datadog for monitoring and Wazuh for intrusion detection

Managed Docker, Kubernetes, GitlabCI, and Terraform in AWS environments.

Use agile methodologies to quickly adapt to changes in requirements.

Python coding for ansible rulesets for naming convention, yaml, ansible syntax

Employ Infrastructure as code mindset through the full infrastructure lifecycle.

Support virtualized red hat servers on VMware ESX using vSphere.

Created script to upload metrics to Datadog API via CURL in JSON format.

Vagrant installation, configuration, and management.

Centrify administration and support.

Pacemaker cluster administration and management.

Molecule continuous deployment for ansible playbook.

Conduent Mar 2018 – Feb 2019

Infrastructure Engineer

Austin, Texas Area · On-site

Supported Treasury and state government application (EPPIC)

Managed Linux environments, network security, Apache, Tomcat, Glassfish

Automation and scripting using Bash and Perl

Network vulnerability scan through NESSUS scan utility.

OS Tuning System Monitoring, Troubleshooting, SFTP, SSL, TLS, Data Encryption, Access control.

Deploying scripts such as Bash and Perl to optimize the environment through enhancements.

Hewlett Packard Enterprise – HPE Mar 2017 - Mar 2018

Technical Consultant

Houston, Texas Area · On-site

Managed Red Hat Clustering and Oracle RAC databases.

Supported applications running on IUM platforms.

SVN source code management, Change Management via Bash, Perl, Python

Supported HP blade hardware in Rocklin, CA, Branchburg, NJ, South Lake, TX, Colorado Springs, CO

JP Morgan Chase Bank Apr 2013 - Mar 2017

Technical Manager

Houston, Texas Area · On-site

SME for Solaris, Linux, HPUX, AIX, and virtualization technologies

Disaster Recovery planning/testing with SRDF, True Copy

Configured cluster software and automated deployments with Ansible/Puppet

Supported virtualization as ESX, LDOM, Zone, KVM, LPAR, VxVM, ZFS, SVM, and Linux LVM.

Managed cluster software as VCS, CRS, PowerHA, GPFS and GFS2.

Incident Management as Peregrine server manager and Change Management tools like ITSM.

Backup management support through Veritas NetBackup.

System security management including SeOS, Boks, LDAP, SSH and Sudo.

Citigroup Jun 2008 - Apr 2013

Senior Systems Engineer

Mississauga, Ontario · On-site

Supported variety of mission critical systems in a Solaris 8/10 and AIX 6.1 environment.

Deployed SAN stack upgrades, SAN migrations from EMC to Hitachi, Zoning, Container Builds.

Performed deployments, VTM installs and configurations, NIS+ migrations, Veritas suites, Sun cluster build.

Managed vendor support requests from SUN, Oracle, and IBM.

Followed Citigroup IT change implementation requirements or SOE guidelines.

Peripheral Experience in EMC Storage Arrays, Veritas NetBackup, and EMC PowerPath.

Conducted routine hardware and software audits of Solaris and AIX servers.

Utilized AIX tools as HMC, NIM, Mksysb, HACMP management and LPAR on P-series.

Hewlett Packard Jul 2004 - Jun 2008

Unix Engineer

Mississauga, Ontario · On-site

Provided Solaris, Linux, and AIX technical support, managing hundreds of enterprise-level UNIX servers.

Supported multiple clients including CIBC, Halliburton, GM, Delphi, HP shopping, Allison, GMLG, USRP, IPG, KBR, ITCAN, Mount Sinai and University Health Networks.

Installed, configured, and administered SUN Solaris, IBM AIX, and RHEL.

Performed HA clustering using VCS 4.1 and Sun Cluster 3.1.

Wrote shell scripts used to setup and manage systems, backups and FTP between UNIX platforms, mainframe.

Provided hardware and OS technical knowledge to other UNIX administrators, DBAs, and systems developers.

Provided Incident Management using EWM Remedy and OVSD.

Implemented backup/recovery strategies using Networker Legato 6.0 and VERITAS NetBackup 5.1.

Vendor support contracts for Microsystems, IBM, Hitachi/HDS, Fujitsu, Legato/EMC, StorageTek and Veritas.

Managed and coordinated the rollout of new applications.

TD Bank Securities Jun 2003 - Jun 2004

Unix Engineer

Toronto, Ontario · On-site

Customer service orientation, which includes verbal and written communication skills.

UNIX system administration on Sun Solaris 2.51, 2.6, 2.7, 2.8, 2.9 and SUSE Linux.

Perl and UNIX shell scripting.

Utilized VERITAS Volume Manager, NetBackup and VVR.

Performed both Oracle and Sybase administration.

Installed, configured, and upgraded Sun Microsystems equipment and software.

Citigroup Dec 2000 - Jun 2003

Systems Engineer

Silver Spring, Maryland · On-site

Performed UNIX and Windows administration on SUN Solaris, HPUX, Linux, and Windows NT.

Installed, configured, and maintained 10,000+ servers ranging from Sun Enterprise 10K to HPUX 700/800 series.

Supported Citi’s global technical infrastructure dealing with deployments and support for the Latin, NA regions.

Supported www.c2it.com, the world’s largest credit card accounts online websites.

Performed software Programming using Perl, C, and Shell scripting.

Networker installation, configuration, and administration.

Managed RAID arrays using DiskSuite and VERITAS Volume Manager.

Worked on Apache, Oracle, MySQL, Sendmail, Tivoli, SiteScope, Legato, Fdrupstream and Netscape.

Electronic Data Systems – EDS Jan 2000 - Nov 2000

Backup Workflow Engineer

Essex, Maryland · On-site

Network Deployment, administration, Monitoring and Support for the Census 2000.

Population Count and studies of the US. The environment had over 5,000 Servers.

Shell and Perl scripting for automation.

DCS 2000 Systems configurations.

Solaris Systems administration.

Windows NT/Win 2000 system administration.

Networker installation, configuration, and administration.

Contact this candidate