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Quadcode via Lever

Linux Administrator (Infrastructure)

SerbiaLatviaLithuaniaLjubljanaMoldovaBelarusGeorgiaKyrgyzstanUzbekistanAzerbaijanArmeniaCzechiaPortugalSpainDubai Level not stated
still open verified 1d ago posted 38d ago seen 1h ago
Apply at jobs.eu.lever.co

This is the employer's own posting, not a copy on a job board.

What we know

Is it still open?

Confirmed still open

Last checked 1d ago — checked against the employer's own applicant tracking system, which is the company answering directly.

We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.

Check this listing's status as JSON

How old is it?

Posted 38d ago

The date the source published, not the day we noticed it (2026-09-24). Last seen at its source 1h ago.

We have tracked this listing since 27 Oct 2026 (5 days). The employer's own board has carried it every time we have read it, most recently 1 hour ago.

Is it remote?

Marked remote on the employer's board

Their board carries a remote setting on this posting — a field they filled in, not wording we read. The location field names somewhere specific, which is usually where the team or the entity sits.

Who may apply?

Serbia, Latvia, Lithuania, Ljubljana, Moldova, Belarus, Georgia, Kyrgyzstan, Uzbekistan, Azerbaijan, Armenia, Czechia, Portugal, Spain, Dubai

The description states no restriction of its own. This is the source's own tag.

Skills named in the ad

AWSAgileAnsibleAzureBashCI/CDDevOpsDockerGCPGitGitHub ActionsGitLab CIGrafanaJenkinsKafkaKubernetesLinuxMySQLNetworkingNginxObservabilityPostgreSQLPrometheusPythonRabbitMQSLASREScriptingScrumTroubleshooting

Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.

Carried by 1 source

The listing

About the Team

We are Quadcode, a fintech company excelling in financial brokerage activities and delivering advanced financial products to our global clientele. Our flagship product, an internal trading platform, is offered as a Software-as-a-Service (SaaS) solution to other brokers.

About the role

We're looking for a Linux Administrator to join our Infrastructure team, responsible for building, operating and continuously improving all of our infrastructure services — from core services to observability and private clouds.

Our infrastructure supports the stable operation of a large-scale trading platform and includes 2,000+ virtual machines and 300+ physical servers, running predominantly on Ubuntu. The stack ranges from core services like LDAP, PowerDNS and NTP, to an observability stack (Prometheus, Thanos, Loki, Grafana, Jaeger) and private clouds based on OpenStack and Kubernetes, as well as services such as GitLab, Artifactory and Vault.

You’ll work in a team of experienced infrastructure engineers, using Scrum and Agile practices, with two-week sprints and a strong focus on automation, reliability and continuous improvement.

The position is full-time remote, with a flexible start time — anytime before 12:00 pm EET/EEST.

Why this role?

You’ll be part of the team responsible for the production environment behind products used by millions of users, working directly with development teams, helping them troubleshoot infrastructure-related issues and keep their services running reliably in production.

It’s a good fit for an engineer who enjoys troubleshooting, automation and making infrastructure more reliable and scalable, rather than simply maintaining servers.

Tasks

  • Oversee various services and associated infrastructure components, including DNS, Gitlab, Artifactory, Vault, Loki, Prometheus etc;
  • Perform day-to-day operational tasks such as upgrades, CVE patching, backup and restore, security scans, and monitoring;
  • Manage and support private clouds (Openstack and Kubernetes);
  • Design, configure, maintain and troubleshoot Linux systems across different environments, including bare metal, virtual machines and containers.
  • Resolve incidents, provide support coverage, categorize issues, conduct post-mortems, and perform root cause analysis;
  • Ensure environments are stable and adhere to availability SLAs;
  • Work towards reducing operational effort;
  • Automate repetitive operational tasks and continuously reduce manual effort;
  • Collaborate with development teams to troubleshoot infrastructure-related issues in production;
  • Keep infrastructure documentation and operational procedures up to date;
  • Engage in constant upskilling to stay updated with industry best practices.

    • Requirements

  • 3+ years of professional experience as a Linux System Administrator, DevOps Engineer, or Site Reliability Engineer, with a focus on infrastructure.
  • Extensive experience in designing, building, configuring, and troubleshooting Linux servers across various environments (bare metal, container, cloud);
  • Experience with Linux server configuration, maintenance and troubleshooting in production.
  • Understanding of process control, logging and Linux service management.
  • Experience with infrastructure services such as Vault, Artifactory, DNS and similar 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 in deploying and maintaining systems on cloud solutions such as OpenStack, VMware, Proxmox, or public cloud platforms such as AWS, GCP, Azure. 
  • Skilled in scripting languages such as Bash and Python;
  • Familiarity with configuring various servers and databases, including Apache Tomcat, Nginx, MySQL DB, PostgreSQL, Kafka, RabbitMQ, etc;
  • Experience with DevOps tools and CI/CD workflows.
  • At least C1 in Russian and B1 in English.

    • Nice to have

  • Hands-on experience with Kubernetes, including troubleshooting workloads and cluster-related issues.
  • Hands-on experience with OpenStack, including deployment, configuration, maintenance or troubleshooting of private cloud environments.
  • Hands-on experience with Chef.
  • Experience with GitLab CI/CD, Jenkins or GitHub Actions.
  • Experience working with fintech/trading, or other high-load and mission-critical systems.

    • We offer

    • Full-time remote work (service provider contract).
    • Competitive compensation (EUR).
    • Flexible working hours.
    • Corporate AI subscriptions (Claude, Gemini, GPT, etc.). 
    • Access to a rewards marketplace offering products and language courses, redeemable using the company’s internal currency.
    • A strong team of engineers.
    • Positive and friendly atmosphere.
    With a team of 500+ creative and tech-driven people across the globe, Quadcode is the place where ideas turn into impact, where every project is a chance to grow, innovate, and make your mark.

    Join us today, and let's shape the future of fintech together!

    Note: All applications will be treated with strict confidence. We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.

    #LI-JM1
    Apply at jobs.eu.lever.co

    At Quadcode