I O Engineer
UnitedHealth Group
- La Crosse, WI
- $70,200-137,800 per year
- Permanent
- Full-time
- Provide 2nd level escalation across the on-Prem IT Operations team for Linux and Kubernetes technologies
- Ensure the maintenance and accuracy of Hosting and Storage documentation including hardware/software licensing, environment diagrams, SOPs, and work instructions
- Assist in the development of new and improve existing processes and procedures as it relates to maintenance, automation, system testing, and functional validation
- Assist in maintenance and enhancement projects to Linux and Kubernetes infrastructure
- Assist in the architectural design of existing and new technology implementations
- Participate in problem management and root cause analysis
- Deploy and manage servers and underlying technologies
- Follow all escalation procedures according to service level agreement
- Assist in deploying and manage Server and Storage physical infrastructure
- Provide an accurate record of work in request / incident management tracking tools
- Assist in the coordination and troubleshooting of common system problems; document system events to ensure continuous functioning. Recommend course of action and implements as approved
- Utilizes Change Control process when scheduling maintenance for Optum Serve’s environments
- Manage system inventory through centralized management database and tools
- Perform root cause analysis of managed systems in post system-failure situations
- Evaluate processes and procedures for opportunities of improvement
- Perform system configuration and optimization of managed technologies
- Respond to and resolve issue escalation requests
- For managed systems within the team’s scope, partner across IT to perform technology assessments, evaluations, and recommendations of products and services to achieve and technologies Optum Serve’ s information security compliance requirements and ensure proper implementation of products to adhere to required security standards
- Assess risks when making changes to managed systems within the IT environments
- Participate in 24x7 On-Call rotation
- All other tasks as assigned
- 5+ years of experience supporting Linux systems, preferably in a professional environment with focus on Red Hat Enterprise Linux
- Bachelor's Degree in a technical discipline. Experience may be considered in lieu of degree
- Experience developing Ansible playbooks and defining scheduled workflows using AWX or Ansible Tower
- Fluent user of collaborative revision control software (git preferred)
- Solid scripting
- Passionate about Linux-based technologies
- Excellent interpersonal skills and avid collaborator: Thrives on frequent contact with teammates, supervisors, and a diverse population of stakeholders
- Organizational skills, project, and time management, as well as follow through and attention to detail.
- Analytical and troubleshooting skills
- Equivalent combination of education, experience and/or applicable military experience will be considered.
- Ability to participate in on-call
- Ability to work off-hours as job tasks require
- Competent with Bash scripting
- 5+ years of experience as a Linux System Administrator
- Experience managing infrastructure as code using Terraform, Pulumi, or a similar technology
- Experience deploying and administering Kubernetes container orchestration platform in highly available and fault tolerant solution architectures
- Scripting experience: Bash, Python, PowerShell, Ruby
- OS and Application Hardening in compliance-heavy environments to include DISA, NIST, VA6500, HIPAA
- Experience deploying and managing business solutions using Microsoft Azure
- DevOps Continuous Integration / Continuous Delivery (CI/CD) workflows
- VMWare (vRealize, ESXi, Workstation Pro)
- Enterprise Storage solutions (EMC Isilon, EMC PowerMAX, or similar)
- Cisco NetScaler
- Cisco UCS Manager
- Cisco ACI or other SDN technologies implementing the Kubernetes Networking Model
- Elasticsearch infrastructure administration
- Observability using Grafana, Prometheus, and Elasticsearch
- Dynatrace infrastructure administration
- Windows Server Administration