Senior Linux Admin

Job Responsibilities:

Have experience of these:

• Jenkins
• VMWare
• Python
• Docker
• Kubernetes

Requirements

• Experience w/ GCP is a plus.
• A self-starter, can problem solve and seek out info/answers independently,
• Good communication skills and attention to detail.
• Problem solving with a willingness to learn,
• Good at vendor communications and ability to drive working sessions,
• Good knowledge and experience on Kubernetes (usage of kubectl commands and able to troubleshoot/fix the issues)
• Platform support: Triage of non-prod/prod systems (for prod like L4 level) and understanding of analysis and how to drive toward resolution while participating in large group discussions,
• SPLUNK / New Relic/ monitoring tools: Good understanding including query & dashboard creation and modification,
• Capable of analyzing infrastructure and applications issues.
• Kubernetes cluster management
• Identify, prepare, execute mitigation plans,
• Perform non-prod deployments either manually or through automation,
• Working knowledge of Ansible and / or any other auto deployment tools,
• Perform required deployment verifications after application or services post deployments,
• At least 5 years’ experience in supporting; JAVA Application / services hosted in Linux environments.
• GCP, Anthos, & APIGEE
• Capable of taking deep dives in code to identify possible fixes for platform/services related issues,
• Work as a contributing team member together with other team members in other states and countries,
• Oncall rotation duties,
• Contribute and participate in team knowledge transfer

Primary Focus Skillset

Linux

• Ability to run basic linux command to troubleshooting application bug, network and other application related activities
• Perform patching and maintain the baremetal servers/VMs.
• Install OS in VM /create VM template to create new servers.
• Maintain relation with vendor / submit SR to get vendor involve in resolving issue

Middleware application

• Knowledge on managing webservers like JBOSS EAP or tomcat
• Installation/configuration/troubleshooting activities on JBOSS EAP/Wildfly
• Knowledge on messaging tool and technology
• Installation/configuration/troubleshooting on Artemis Messaging Queues or similar platform.

Kubernetes:

• Ability to perform cluster level administration on K8s platform.
• Creating and maintaining scripts to maintain, monitor and alerts on K8s platform.
• Comfortable with kubectl / YAML

Docker:

• Understanding of docker.
• Good experience in writing docker files.
• Creating images, maintaining docker registry.

Ansible:

• Playbook creation for repeatable tasks
• Perform installation of software (platform and code deployment)
• Take documentation and create roles to install software.
• Create reusable roles and playbooks
• CloudFormation and Terraform

Monitoring Tools:

• NewRelic - APM, Insights, Infrastructure
• Ability to create alerts and dashboards.
• Splunk - Querying and dashboard creation

Application Performance Tuning:

• Participate in load testing and resolve testing bottlenecks.
• Java heap and thread dump analysis

Jenkins:

• knowledge and understanding of Jenkins Pipelines
• Ability to analyze console job log for errors.

OS Support and Troubleshooting:

• Redhat Enterprise Linux
• Amazon Linux
• Alpine Linux
• Windows 2012/2016