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Ransom Akum

Development
MD, United States

Skills

DevOps

About

RANSOM AKUM's skills align with Consultants and Specialists (Information and Communication Technology). RANSOM also has skills associated with Programmers (Information and Communication Technology). RANSOM AKUM has 9 years of work experience.
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Work Experience

DevOps Engineer

Tyler Technologies
January 2020 - Present
  • Worked on Amazon AWS EC2 cloud services for installing, configuring, and troubleshooting on various Amazon Machine images like Amazon Linux AMI, Redhat, 5.x.6.x, Ubuntu 12.x, 14.x. Developed and executed cloud migration strategies, ensuring seamless transitions from on-premises environments to AWS cloud. Develop and maintain Terraform modules for deployment of all infrastructure. Oversaw the deployment and configuration of AWS services, including EC2, S3, RDS, Lambda, and VPC, optimizing performance and security. Created monitors, alarms and notifications for EC2 hosts using Cloud Watch. Implemented CI/CD pipeline with Docker, Jenkins GitHub and building AWS AMI pipelines for those servers. Created fully automated CI/CD build and deployment infrastructure and processes for multiple projects on AWS. Setup and build AWS infrastructure by using various AWS resources such as VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in Cloud Formation JSON templates. Implemented Jenkins Code Deploy plugin to deploy to AWS and used to automate the build process and deploy the AMI builds to Artifactory. Used Ansible for configuration management of hosted Instances within AWS Configuring and Networking of Virtual Private Cloud (VPC) and designed AWS CloudFormation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates. Wrote Ansible playbooks to setup Continuous Delivery pipeline. This primarily consists of Jenkins, GitHub and Artifactory, for the infrastructure to run these packages. Worked with Ansible to manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, and Packages. Ansible to assist in building automation policies.

Cloud Engineer/DevOps Engineer at MedImmune

ICON CLINICALS
August 2017 - April 2019
  • Analyzed existing technology environment to detect critical deficiencies and recommend solutions for improvement. Lead multiple diverse teams in Designing and implementing cloud architectures for high availability and business continuity using self-healing-based methodologies, failover routing policies, multi-AZ deployment of EC2 instances, ELB health checks, Auto Scaling and other disaster recovery models. Designed a fully cloud native and serverless cloud file exchange application with services like lambda, glue, step functions, elastic search and more to securely transfer files that contain PHI and PII data across various channels like SFTP to S3 and S3 to S3. Made use of processes such as encryption and tokenization to ensure the security of files at rest. Designed a serverless log aggregation platform leveraging Kinesis delivery streams, lambda, CloudWatch and more. Deployed this platform to AWS accounts during the account vending process and used it to stream, transform and host logs across multiple AWS accounts in an organization to a centralized location where the logs can be consumed by SIEM tools like Splunk. Lead the successful migration of five multi-tier node.js applications from containerized OnPrem environments to AWS leverage AWS native services like ECS, ECR, Document DB, CloudFront and route53. Implemented security best practices in AWS including multi factor authentication, access key rotation, encryption using KMS, firewalls- security groups and NACLs, S3 bucket policies and ACLs, mitigating DDOS attacks. Worked with DevSecOps engineers to ensure cloud infrastructure compliance. Ensure recovery of systems from infrastructure or service failures to mitigate disruptions. Used AWS system manager to automate operational tasks across AWS resources. Troubleshoot the performance of resources and other related issues. Designed and implemented SAML based SSO solutions with the use of Active Directory, OKTA and AWS SSO to manage user's access across multiple AWS accounts and other applications such as Jira, Confluence, O365 and more. Developed account provisioning technology standards influenced by industry and AWS best practices. Implemented Jenkins, GitHub and Git for version control, code build, testing and release. Designed and implemented for elasticity and scalability using ElastiCache, CloudFront - Edge locations, RDS (read replicas, instance sizes) etc. Used Jira to plan, track, support and close requests, tickets and incidents. Leveraged AWS service catalog to create and manage the deployment of products, placing them in portfolios and used IAM to manage portfolio permissions. Worked closely with cross-functional teams across multiple BUs during the Build and project transfer phases comprising of Developers, Architects, Engineers, QA, PMs, Operations and Security teams. Helped deliver various engineering design documents and mentor design and DevOps engineers. Designed DR/BCP with RTO/RPO requirements in line with business requirements.

DevOps Engineer at JPMC

TEKGLOBAL
April 2014 - June 2017
  • DE As a DevOps engineer used a series of tools (subversion, CVS, maven, Jenkins, chef, Jira) and involved in day-to-day build and release cycles. Maintained and modified build related scripts developed in ANT (build.xml files). Managed source control Confidential GIT and SVN. Developed build and deployment scripts and used ANT/Maven tools in Jenkins to span from one environment to other. Installation and support of various applications and Databases including Oracle, MySQL along with Web Logic 10, JBOSS 4.2.x, Oracle 10g, Tomcat. Designed and maintained AWS infrastructure highly available, scalable, secured, monitored and alerting network infrastructure. Worked on Linux internals and utilities (kernel, Memory, Swap, CPU) Worked on Cloud automation using AWS cloud Formation Templates, Chef, Puppet. Implemented Cloud Trail in order to capture the events related to API calls made to AWS infrastructure. Configured AWS Identity Access Management (IAM) Group and users for improved login authentication. Launching and configuring of Amazon EC2 (AWS) Cloud Servers using AMI's (Linux/Ubuntu) and configuring the servers for specified applications. Designing and implementing for fully automated server build management, monitoring and deployment By Using DevOps Technologies like Puppet. Constructed the puppet modules for continuous deployment and worked on Jenkins for continuous integration. Automated Linux production server's setup using Puppet scripts. Used these scripts to replicate production build environments on a local dev box using Vagrant and Virtual Box. Installed, configured and automated build jobs in Jenkins for continuous integration using various plugins in AWS pipelining.

Education

University of Yaounde II

Bachelor's degree in computer science
January 2009 - January 2013