Senior Infra Engineer - Kubernetes & Automation (Remote)

D-Matrix Corp.; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

d-Matrix is seeking a Senior Infrastructure Engineer to own first response for Kubernetes clusters, CI/CD runners, and demo environments. You will diagnose issues end-to-end, automate recurring problems, and improve monitoring and alerting.

The role involves on-call duties and collaboration with IT, product engineers, and infrastructure teams. The ideal candidate has hands-on Linux production experience, strong debugging skills, scripting in Python/Bash, and familiarity with GitLab CI/CD and

Qualifications

• 2+ years operating production Linux systems, including hands-on Kubernetes troubleshooting.
• Methodical debugging: form hypotheses, narrow quickly, and cross-layer reasoning when the obvious answer is wrong.
• Scripting experience in Python and/or Bash.
• Familiarity with CI/CD systems (GitLab preferred).
• Working knowledge of networking fundamentals, including DNS, routing, load balancing, and TLS.
• Experience with monitoring/observability tools.
• Clear communication under pressure, including concise incident status updates.
• Drive and curiosity to learn unfamiliar systems and how state-of-the-art inference systems are built.

Responsibilities

• Own first response and resolution for issues across Kubernetes clusters, GitLab and CI runners, VMs, standalone systems, and demo environments
• Triage across teams with IT and the product software group when the root cause sits on their side
• Convert recurring issues into automation, alerts, and runbooks so repeat incidents decline
• Improve monitoring and alerting to reduce false alarms and speed detection of real problems
• Perform routine operational work, including upgrades, patching, certificate renewals, and capacity checks
• Ship automation and improvements the team relies on, beyond individual fixes
• Participate in on-call coverage for the environment
• Contribute to design and build work across the team’s systems as your scope grows

Skills

Linux systems

Kubernetes troubleshooting

Python/Bash scripting

GitLab CI/CD

Networking fundamentals

Monitoring/Observability

Incident communication

Problem solving

Tools

GitLab

DataDog/Prometheus/Grafana monitoring

Ansible

Terraform

Job description

d-Matrix is seeking a Senior Infrastructure Engineer to own first response for Kubernetes clusters, CI/CD runners, and demo environments. You will diagnose issues end-to-end, automate recurring problems, and improve monitoring and alerting.

The role involves on-call duties and collaboration with IT, product engineers, and infrastructure teams. The ideal candidate has hands-on Linux production experience, strong debugging skills, scripting in Python/Bash, and familiarity with GitLab CI/CD and