Remote Linux Infrastructure Engineer — Scale & Automate

Quadcode; New York (NY); Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive compensation (EUR)

Flexible working hours

Corporate AI subscriptions

Rewards marketplace with internal

Job summary

Quadcode, a fintech company, seeks a Linux Administrator to sustain a 2,000+ VM fleet and private clouds, with Ubuntu as a core stack. You will design, deploy, and automate Linux infrastructure across bare metal, virtual machines, and containers, partnering with development teams to keep services reliable in production.

You’ll work with Vault, Artifactory, DNS, Kubernetes, OpenStack, GitLab, and monitoring tools while driving automation and CI/CD improvements.

Qualifications

• 3+ years of professional experience as a Linux System Administrator, DevOps Engineer, or SRE.
• Extensive experience designing, building, configuring, and troubleshooting Linux servers across bare metal, VM, container, and cloud environments.
• Experience with Linux server configuration, maintenance and troubleshooting in production.
• Understanding of process control, logging and Linux service management.
• Experience with Vault, Artifactory, DNS and related platform components.
• Proficiency with automation tools such as Chef, Ansible, or Salt.
• Experience with Docker, Kubernetes and containerized environments.
• Experience with monitoring and log aggregation tools like Grafana, ELK, or Graylog.
• Experience deploying systems on OpenStack, VMware, Proxmox, and public clouds (AWS, GCP, Azure).
• Scripting skills in Bash and Python.
• Familiarity with Apache Tomcat, Nginx, MySQL, PostgreSQL, Kafka, RabbitMQ.
• Experience with DevOps tools and CI/CD workflows.
• Russian C1 and English B1 proficiency.

Responsibilities

• Oversee services and infrastructure components including DNS, GitLab, Artifactory, Vault, Loki, Prometheus, etc.
• Perform day-to-day operational tasks: upgrades, CVE patching, backups, security scans, monitoring.
• Manage and support private clouds (OpenStack and Kubernetes).
• Design, configure, maintain and troubleshoot Linux systems across environments (bare metal, VMs, containers).
• Resolve incidents, provide coverage, perform root cause analysis and post-mortems.
• Ensure environments meet availability SLAs and reduce operational effort.
• Automate repetitive tasks to improve efficiency and reliability.
• Collaborate with development teams to troubleshoot production infra issues.
• Keep documentation and runbooks up to date and share best practices.

Skills

Linux system administration

Russian language (C1)

English language (B1)

Automation (Bash, Python)

CI/CD and DevOps practices

Scripting and automation

Observability and monitoring

Tools

Docker

Kubernetes

GitLab

Vault

Artifactory

OpenStack

NGINX

Apache Tomcat

MySQL

PostgreSQL

Kafka

RabbitMQ

VMware

Proxmox

AWS

GCP

Azure

Job description

Quadcode, a fintech company, seeks a Linux Administrator to sustain a 2,000+ VM fleet and private clouds, with Ubuntu as a core stack. You will design, deploy, and automate Linux infrastructure across bare metal, virtual machines, and containers, partnering with development teams to keep services reliable in production.

You’ll work with Vault, Artifactory, DNS, Kubernetes, OpenStack, GitLab, and monitoring tools while driving automation and CI/CD improvements.