Senior Infrastructure Engineer

Washington, DC
Nov 28, 2022
Nov 30, 2022
Engineer, IT, QA Engineer
Full Time
Looking for Sr. Infrastructure Engineer with 8-10 years minimum experience with hands on Mainframe Systems programmer expertise* Platform engineering services to analyze, develop and implement an infrastructure strategy for existing Test environments for midrange and mainframe platforms. These environments comprise of Unit, Integration, Systems and Acceptance Test Production.o Engineer and implement End to End Automation of Infrastructure to provision new environments leveraging DEVOPS and IAAS methodologies using configuration tools such as ZOSMF, Ansible and backend languages and framework including Python and Shell scripting.o Automate installation and configuration of IBM Middleware products including WebSphere Application Server, MQ, WebSeal, IBM HTTP Server , B2B for each environment.o Support Automated deployment of more than a hundred Java EE Applications for newly built environments using Ansible Custom Modules to reduce delay due to enable continuous delivery.o Develop custom python code to install and configure IBM MQ product using Application Configuration Yaml files.o Establish automation for end-to-end Mainframe provisioning including Db2, MQ, CICSo Leverage Bitbucket to version check-in and version Python code and Ansible Playbooks and share with the team.* Ability to analyze and trouble-shoot Mid-tier/Mainframe infrastructure issues.o Analyze and troubleshoot Middleware platform issues with Infrastructure including IBM WebSphere Application Server, MQ, HTTP Server, WebSeal, DB2 and B2B during different stages of the Application release cycle.o Ability to collect thread dumps, heap dumps and core dumps for further analysis.o Perform Root Cause Analysis and come up with an implementation plan for the possible solution.* Lead and provide technical direction and expertise to a project team.* Work closely with IAAS Mode Team to provide support to achieving the two-day provisioning of an environment.* Provide technical guidance to customers leveraging the IAAS code with any issues related to build and install.* Conduct twice a week code review meeting to review and discuss Code changes.* Perform Crucible Code Reviews for completed modules of the code.* Engage in weekly Sprint planning and agile software development meeting using JIRA.* Support Code Promotion and Code Deployment activities including conflict resolution.* Analyze and recommend improvements to support Platform Engineering initiatives.* Create all necessary documents and communicate to the team in support of the project.o Create documentation in SharePoint and Confluence Wiki for each task detailing the steps and instructions on how to use new code to build and configure infrastructure.o Document the best practices in leveraging DevOps tools such Ansible and Git.o Document and Publish release notes with each version of IAAS code release.* Provide pre and post implementation support for Test and Production environments.* Conduct training and knowledge transfer new environments with FTEs.o Conduct knowledge transition and training sessions with the team including FTEs and new hires on the current IAAS code automation capabilities and new features.Tools and Technologies include:Mainframe ZOSMF, CICS, CLIST, REXX, CICS, Redhat Ansible Command line and Tower, IBM WebSphere Application Server 8, IBM HTTP Server 8.0/9.0, IBM MQ Series, DB2 Client, Pega, IBM MQ 8.0, IBM B2B, IBM WebSeal, IBM EIAM, Jira, Jenkins, Artifactory, Crucible, Sonar, Kubernetes, Bitbucket, Apache Tomcat, Python, Terraform, AWS Cloud, AIX Unix, Redhat Linux, Pega, IBM DataPower, APIM, App Dynamic.Digital Intelligence Systems, LLC (DISYS) is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.