Devops Engineer

Quantum Technologies LLC; Rosemead (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Quantum Technologies. LLC in Rosemead, CA, is seeking a hands-on DevOps Engineer to deploy and manage Kubernetes clusters (RKE2 where possible), configure CI/CD pipelines, and ensure reliability across deployments.

You will work with ArgoCD, Helm, Jenkins, Nexus, and scripting to streamline software delivery. The role requires strong Linux, Bash and Groovy scripting skills, deep understanding of container runtimes, and the ability to troubleshoot complex issues.

Qualifications

• Kubernetes administration experience, preferably with RKE2
• Experience with GitOps tools such as ArgoCD
• Proficiency in Helm charts for packaging and deployment
• Solid understanding of CI/CD pipelines using Jenkins
• Experience with Nexus for artifact and image management
• Strong scripting in Bash and Groovy
• Solid knowledge of Linux OS and troubleshooting
• Good understanding of containerization concepts (Docker)
• Ability to troubleshoot complex application and infrastructure issues

Responsibilities

• Deploy, configure, upgrade, and troubleshoot Kubernetes clusters (RKE2) ensuring health, performance, and security
• Manage application onboarding, configuration, and deployment into Kubernetes using Helm, ArgoCD, and GitOps workflows
• Diagnose and resolve issues related to applications and networking within Kubernetes clusters
• Build and maintain Jenkins pipelines using Groovy and shared libraries; integrate with Nexus and Kubernetes workflows
• Create and maintain Bash/Groovy scripts for deployment, monitoring, and operations
• Manage artifacts, container images, and dependencies using Nexus and Git repositories
• Perform routine Linux administration tasks, monitoring, log analysis, and performance tuning
• Demonstrate self-starting and collaborative skills; communicate effectively with stakeholders

Skills

Kubernetes administration

GitOps

ArgoCD

Helm

Jenkins

Nexus Repository

Git

Bash scripting

Groovy

Linux administration

Docker

Tools

Kubernetes

ArgoCD

Helm

Jenkins

Nexus Repository

Git

Docker

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Must Have Technical/Functional Skills

• Devops, Kubernetes Administration, ArgoCD, Helm, Jenkins, Nexus Repository, Git, Bash scripting, Groovy, Linux (Administration & Troubleshooting), DNS, Certificates, CI/CD.
• strong hands-on experience with Kubernetes administration, preferably RKE2.
• Experience with GitOps tools such as ArgoCD.
• Proficiency in Helm charts for application packaging and deployment.
• Solid understanding of CI/CD pipelines using Jenkins.
• Experience with Nexus for artifact and image management.
• Strong scripting skills in Bash and Groovy.
• Solid knowledge of Linux OS and troubleshooting methodologies.
• Good understanding of containerization concepts (Docker, container runtime basics).
• Ability to troubleshoot complex application and infrastructure issues.

Roles & Responsibilities

• Kubernetes Deployment & Management Deploy, configure, upgrade, and troubleshoot Kubernetes clusters (RKE2). Ensure cluster health, performance, and security.
• Application Deployment & Configuration Manage application onboarding, configuration, and deployment into Kubernetes using Helm, ArgoCD, and GitOps workflows.
• Troubleshooting & Incident Resolution Diagnose and resolve issues related to applications running inside Kubernetes clusters, including networking, pods, services, ingress, and CI/CD failures.
• CI/CD Pipeline Development Build and maintain Jenkins pipelines using Groovy and shared libraries. Integrate with Git, Nexus, and Kubernetes deployment workflows.
• Automation & Scripting Create and maintain Bash/Groovy scripts to automate deployment, integration, monitoring, and operational tasks.
• Artifact & Dependency Management Manage build artifacts, container images, and dependencies using Nexus and Git repositories.
• Linux System Administration Perform routine Linux administration tasks, including system monitoring, log analysis, and performance tuning.
• Generic Managerial Skills, If any
• Demonstrated success as a self-starter
• Strong problem-solving skills using a methodical approach
• Ability to create consensus among different stakeholders
• Excellent written and verbal communication skills to the project/application stakeholders
• Able to function as delegate project manager

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.