Infrastructure Systems Engineer III or Sr - Linux

MidAmerican Energy Company, a Midwest utility, provides regulated electric and natural gas service to more than 1.6 million customers in Illinois, Iowa, Nebraska and South Dakota. The company owns and operates a portfolio of power-generating assets, approximately 61% of which is wind generation. MidAmerican Energy Company is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or religious creed, age, national origin, ancestry, citizenship status (except as required by law), gender (including gender identity and expression), sex (including pregnancy), sexual orientation, genetic information, physical or mental disability, veteran or military status, familial or parental status, marital status or any other category protected by applicable local, state or U.S. federal law. Employees must be able to perform the essential functions of the position, with or without an accommodation. MidAmerican Energy Company has an exciting career opportunity available. Take the next step in your career and apply now!

Bachelor's degree in management information systems (MIS), computer science, or related technical field; or equivalent work experience. (Typically four years of related, progressive work experience would be needed for candidates applying for this position who do not possess a bachelor's degree.)

• Six years of experience in infrastructure, platform, or site reliability engineering roles for the level III
• Strong experience working with Linux systems and distributed infrastructure environments
• Proficiency in at least one modern programming language, such as Go, Python, or Java
• Experience automating Linux system configuration, patching, and lifecycle management using infrastructureascode or configuration management tools
• Handson experience building and operating Linuxbased infrastructure platforms that support Kubernetes or other container orchestration systems
• Experience managing Linux infrastructure using automationfirst and declarative approaches rather than manual system administration

Core Technical Experience

Experience across several of the following areas:

• Linux systems and core infrastructure fundamentals
• Kubernetes and container orchestration platforms
• Infrastructure as code and declarative system design (e.g., Terraform, GitOps)
• Distributed systems and largescale infrastructure environments
• Observability and monitoring using opensource tooling (e.g., Prometheus, Grafana, OpenTelemetry)
• Distributed storage systems and concepts (e.g., Ceph or similar technologies)
• Networking fundamentals in distributed and cloudbased environments
• APIdriven infrastructure and automation systems
• Infrastructure security practices, including identity, access, and secrets management
• Hybrid infrastructure spanning onpremises data centers and cloud environments

Preferred Qualifications:

• Experience operating Kubernetes clusters at scale
• Experience with GitOps workflows such as ArgoCD or Flux
• Experience supporting streaming data platforms or messaging systems
• Experience with SQL, NoSQL, or graph databases
• Contributions to open-source infrastructure or platform projects

Key Responsibilities

Infrastructure Engineering

• Design, deploy, and operate infrastructure platforms including compute, storage, networking, and container infrastructure
• Build and maintain scalable infrastructure across on-premises data centers and cloud environments
• Operate and support Kubernetes clusters and their underlying infrastructure
• Ensure high availability, reliability, and performance of infrastructure systems
• Support hybrid infrastructure environments and platform services that run on top of them

Automation & Infrastructure as Code

• Develop and maintain infrastructure automation using modern programming languages (Go, Python, Java)
• Implement infrastructure provisioning and configuration through infrastructure-as-code tools such as Terraform
• Standardize infrastructure deployment and lifecycle management
• Build tooling that improves operational efficiency and infrastructure reliability

Platform Integration

• Support infrastructure dependencies for container platforms and distributed systems
• Deploy, upgrade, and maintain Kubernetes clusters and related infrastructure components
• Operate infrastructure services including IaaS platforms and storage systems
• Collaborate with platform engineering teams supporting CI/CD, messaging, observability, and developer platforms

Observability & Reliability

• Implement monitoring and observability using Prometheus, Grafana, and OpenTelemetry
• Participate in incident response and root cause analysis
• Contribute to reliability improvements and operational maturity

Security & Access Management

• Implement infrastructure security best practices
• Support identity and access management and secrets management systems
• Collaborate with security teams to ensure infrastructure resilience and compliance