Note: The job is a remote job and is open to candidates in USA. Mastech Digital is seeking an experienced Site Reliability Engineer to maintain, enhance, and evolve Kubernetes platforms supporting scientific and engineering teams across on-premises and cloud environments. The role focuses on Kubernetes operations through Rancher, Linux administration, Infrastructure as Code, GitOps with ArgoCD, automation, and improving platform reliability, observability, security, and maintainability.
Responsibilities
- Maintain and enhance Kubernetes platforms across on-premises and cloud environments, ensuring reliability, scalability, and operational efficiency
- Support provisioning, upgrades, troubleshooting, and lifecycle management of Kubernetes clusters managed through Rancher
- Provide advanced Linux/Unix systems administration, including performance tuning, troubleshooting, automation, networking, and operational support
- Develop and maintain Infrastructure as Code (IaC) solutions to standardize and automate platform deployment and management; Cluster API (CAPI)-based approaches are preferred
- Support and improve GitOps workflows using ArgoCD to manage cluster and application configuration consistently and audibly
- Work closely with developers, scientists, and infrastructure teams to deliver reliable platform services and translate operational needs into sustainable engineering solutions
- Identify opportunities to improve platform resilience, observability, security, and maintainability through automation and modern SRE practices
Skills
- • 5+ years of professional experience in Site Reliability Engineering, Platform Engineering, DevOps, or Systems Engineering roles
- • Hands-on experience operating and supporting Kubernetes platforms in production environments
- • Strong experience managing Kubernetes clusters across on-premises and cloud-based environments
- • Strong Linux systems administration skills, including troubleshooting, scripting, networking, and system performance analysis
- • Experience with Rancher for Kubernetes cluster management and platform operations
- • Experience implementing Infrastructure as Code solutions for platform provisioning and lifecycle management
- • Demonstrated success working in Agile teams , including Scrum or Kanban
- • Kubernetes: Cluster operations, upgrades, networking, storage, troubleshooting, and workload support
- • Platform Management: Rancher or similar Kubernetes management platforms
- • Linux: Advanced administration of Linux/Unix systems
- • GitOps / CI-CD: ArgoCD , Git version control, and deployment automation practices
- • Scripting / Automation: Bash, Python, or similar scripting languages for automation and operational tooling
- • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field preferred , or equivalent professional experience
- • Infrastructure as Code: Strong IaC experience; Cluster API (CAPI) preferred
- • Experience with hybrid infrastructure spanning on-premises and public cloud platforms, including AWS, Azure, or GCP
- • Experience with Kubernetes ecosystem tooling for observability, logging, monitoring, and alerting
- • Familiarity with security best practices for Kubernetes and Linux platforms
- • Experience supporting scientific research environments, high-performance computing (HPC), or computational science workflows
- • Knowledge of CI/CD pipeline development and platform automation patterns
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